======================================
| [   11.673860][  T247] softirqs last disabled at (25404): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.673863][  T247] Preemption disabled at:
| [   11.673863][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.673872][  T247] Tainted: [W]=WARN
[   11.673873][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.673874][  T247] Call Trace:
[   11.673876][  T247]  <TASK>
[   11.673877][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.673883][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.673885][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.673889][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.673893][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.673898][  T247]  __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))
[   11.673900][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.673906][  T247]  ? 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)
[   11.673909][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.673913][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   11.673916][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.673922][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.673930][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.673933][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.673938][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.673941][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.673943][  T247]  ? 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))
[   11.673947][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.673949][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.673953][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.673958][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.673960][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.673965][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.673968][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.673970][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.673972][  T247]  ? 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)
[   11.673975][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.673977][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.673980][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.673983][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.673985][  T247]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.673990][  T247]  _printk (kernel/printk/printk.c:2504)
[   11.673993][  T247]  ? snapshot_read.cold (user.c:?)
[   11.673997][  T247]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.673999][  T247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.674003][  T247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.674006][  T247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.674008][  T247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.674011][  T247]  ? netdev_notice (net/core/dev.c:13194)
[   11.674014][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.674017][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.674019][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.674023][  T247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.674025][  T247]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.674027][  T247]  ? register_netdev (net/core/dev.c:11618)
[   11.674029][  T247]  ? 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))
[   11.674034][  T247]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.674037][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   11.674040][  T247]  ? write_profile (profile.c:?)
[   11.674044][  T247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.674050][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.674053][  T247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.674055][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.674057][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.674059][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.674063][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.674065][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.674067][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.674069][  T247]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.674071][  T247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.674073][  T247]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.674074][  T247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.674076][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674078][  T247]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.674081][  T247]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.674085][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.674087][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.674090][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674092][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.674093][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674094][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674096][  T247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.674098][  T247]  ? __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)
[   11.674101][  T247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.674103][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.674106][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.674108][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.674113][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674115][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.674120][  T247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.674126][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.674128][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674132][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.674134][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.674136][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.674138][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.674142][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.674144][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.674147][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.674149][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674153][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.674155][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.674159][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.674162][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.674165][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.674171][  T247]  ? 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))
[   11.674173][  T247]  ? 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))
[   11.674178][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.674182][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.674185][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.674189][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.674193][  T247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.674204][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.674205][  T247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.674211][  T247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.674214][  T247]  ____sys_sendmsg (net/socket.c:2713)
[   11.674216][  T247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.674218][  T247]  ? sock_write_iter (net/socket.c:1269)
[   11.674220][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.674228][  T247]  ___sys_sendmsg (net/socket.c:2767)
[   11.674230][  T247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.674247][  T247]  __sys_sendmsg (net/socket.c:2799)
[   11.674250][  T247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.674256][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674259][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.674262][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.674265][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.674268][  T247] RIP: 0033:0x7f169a93254e
[   11.674272][  T247] 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
[   11.674273][  T247] RSP: 002b:00007ffe0f5bbc90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.674276][  T247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f169a93254e
[   11.674278][  T247] RDX: 0000000000000000 RSI: 00007ffe0f5bbd40 RDI: 0000000000000005
[   11.674279][  T247] RBP: 00007ffe0f5bbca0 R08: 0000000000000000 R09: 0000000000000000
[   11.674279][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fcf
[   11.674280][  T247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0f5bc410
| [   33.006723][  T802] softirqs last disabled at (18152): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.006726][  T802] Preemption disabled at:
| [   33.006726][  T802] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.006735][  T802] Tainted: [W]=WARN
[   33.006736][  T802] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.006738][  T802] Call Trace:
[   33.006740][  T802]  <TASK>
[   33.006741][  T802]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.006747][  T802]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.006749][  T802]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.006753][  T802]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.006757][  T802]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.006762][  T802]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.006763][  T802]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.006770][  T802]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.006773][  T802]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.006777][  T802]  put_chars (drivers/char/virtio_console.c:1176)
[   33.006780][  T802]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.006786][  T802]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.006799][  T802]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.006803][  T802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.006808][  T802]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.006812][  T802]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.006814][  T802]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   33.006818][  T802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.006821][  T802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.006825][  T802]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.006829][  T802]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.006831][  T802]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.006837][  T802]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.006840][  T802]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.006842][  T802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.006844][  T802]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   33.006848][  T802]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.006850][  T802]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.006853][  T802]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.006856][  T802]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.006859][  T802]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   33.006864][  T802]  _printk (kernel/printk/printk.c:2504)
[   33.006868][  T802]  ? snapshot_read.cold (user.c:?)
[   33.006870][  T802]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.006872][  T802]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.006875][  T802]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.006878][  T802]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.006881][  T802]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.006884][  T802]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.006887][  T802]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.006890][  T802]  ? netdev_notice (net/core/dev.c:13194)
[   33.006892][  T802]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.006896][  T802]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.006898][  T802]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.006902][  T802]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.006904][  T802]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.006906][  T802]  ? register_netdev (net/core/dev.c:11618)
[   33.006908][  T802]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   33.006913][  T802]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.006916][  T802]  ? __kernel_text_address (kernel/extable.c:79)
[   33.006918][  T802]  ? write_profile (profile.c:?)
[   33.006923][  T802]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.006929][  T802]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.006932][  T802]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.006934][  T802]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.006936][  T802]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.006938][  T802]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.006941][  T802]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.006943][  T802]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.006945][  T802]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.006947][  T802]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.006949][  T802]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.006950][  T802]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.006952][  T802]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.006954][  T802]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.006956][  T802]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   33.006959][  T802]  ? ___sys_sendmsg (net/socket.c:2758)
[   33.006963][  T802]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.006965][  T802]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.006968][  T802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.006970][  T802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.006971][  T802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.006973][  T802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.006974][  T802]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.006977][  T802]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   33.006978][  T802]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.006980][  T802]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.006984][  T802]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.006985][  T802]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.006990][  T802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.006992][  T802]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.006997][  T802]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.007003][  T802]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.007005][  T802]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.007010][  T802]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.007012][  T802]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.007014][  T802]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.007015][  T802]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.007019][  T802]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.007021][  T802]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.007025][  T802]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.007026][  T802]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.007031][  T802]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.007033][  T802]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.007036][  T802]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.007039][  T802]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.007042][  T802]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.007049][  T802]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.007051][  T802]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.007056][  T802]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.007060][  T802]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.007063][  T802]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.007067][  T802]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.007071][  T802]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.007075][  T802]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.007077][  T802]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   33.007082][  T802]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.007086][  T802]  ____sys_sendmsg (net/socket.c:2713)
[   33.007088][  T802]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.007090][  T802]  ? sock_write_iter (net/socket.c:1269)
[   33.007092][  T802]  ? move_addr_to_kernel (net/socket.c:258)
[   33.007100][  T802]  ___sys_sendmsg (net/socket.c:2767)
[   33.007103][  T802]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.007119][  T802]  __sys_sendmsg (net/socket.c:2799)
[   33.007122][  T802]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.007129][  T802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.007132][  T802]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.007135][  T802]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.007138][  T802]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.007140][  T802] RIP: 0033:0x7fd55cd6954e
[   33.007144][  T802] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.007146][  T802] RSP: 002b:00007fff2c72f850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.007149][  T802] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd55cd6954e
[   33.007150][  T802] RDX: 0000000000000000 RSI: 00007fff2c72f900 RDI: 0000000000000005
[   33.007151][  T802] RBP: 00007fff2c72f860 R08: 0000000000000000 R09: 0000000000000000
[   33.007152][  T802] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fe5
[   33.007153][  T802] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2c72ffd0
| [   54.934701][ T1357] softirqs last disabled at (23660): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.934704][ T1357] Preemption disabled at:
| [   54.934705][ T1357] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.934713][ T1357] Tainted: [W]=WARN
[   54.934714][ T1357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.934715][ T1357] Call Trace:
[   54.934717][ T1357]  <TASK>
[   54.934718][ T1357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.934724][ T1357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.934725][ T1357]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.934730][ T1357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.934734][ T1357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.934738][ T1357]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.934740][ T1357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.934747][ T1357]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.934750][ T1357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.934754][ T1357]  put_chars (drivers/char/virtio_console.c:1176)
[   54.934756][ T1357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.934762][ T1357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.934769][ T1357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.934772][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.934777][ T1357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.934781][ T1357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.934783][ T1357]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   54.934786][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.934789][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.934793][ T1357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.934800][ T1357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.934802][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.934807][ T1357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.934810][ T1357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.934812][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.934813][ T1357]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   54.934817][ T1357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.934819][ T1357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.934822][ T1357]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.934825][ T1357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.934827][ T1357]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   54.934832][ T1357]  _printk (kernel/printk/printk.c:2504)
[   54.934836][ T1357]  ? snapshot_read.cold (user.c:?)
[   54.934838][ T1357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.934840][ T1357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.934843][ T1357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.934845][ T1357]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.934849][ T1357]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.934852][ T1357]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.934854][ T1357]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.934857][ T1357]  ? netdev_notice (net/core/dev.c:13194)
[   54.934859][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.934863][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.934866][ T1357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.934869][ T1357]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.934871][ T1357]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.934873][ T1357]  ? register_netdev (net/core/dev.c:11618)
[   54.934875][ T1357]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   54.934880][ T1357]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.934882][ T1357]  ? __kernel_text_address (kernel/extable.c:79)
[   54.934885][ T1357]  ? write_profile (profile.c:?)
[   54.934889][ T1357]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.934894][ T1357]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.934898][ T1357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.934900][ T1357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.934901][ T1357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.934903][ T1357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.934906][ T1357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.934908][ T1357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.934910][ T1357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.934912][ T1357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.934914][ T1357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.934915][ T1357]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.934916][ T1357]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   54.934918][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.934920][ T1357]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   54.934923][ T1357]  ? ___sys_sendmsg (net/socket.c:2758)
[   54.934927][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.934929][ T1357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.934932][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.934933][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.934935][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.934936][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.934938][ T1357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.934940][ T1357]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   54.934941][ T1357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.934943][ T1357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.934946][ T1357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.934947][ T1357]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.934952][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.934954][ T1357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.934959][ T1357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.934964][ T1357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.934966][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.934971][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.934973][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.934975][ T1357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.934976][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.934980][ T1357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.934982][ T1357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.934985][ T1357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.934986][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.934991][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.934993][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.934996][ T1357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.934999][ T1357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.935002][ T1357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.935009][ T1357]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.935011][ T1357]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.935015][ T1357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.935019][ T1357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.935021][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.935026][ T1357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.935029][ T1357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.935033][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.935035][ T1357]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   54.935040][ T1357]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   54.935043][ T1357]  ____sys_sendmsg (net/socket.c:2713)
[   54.935045][ T1357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.935047][ T1357]  ? sock_write_iter (net/socket.c:1269)
[   54.935049][ T1357]  ? move_addr_to_kernel (net/socket.c:258)
[   54.935056][ T1357]  ___sys_sendmsg (net/socket.c:2767)
[   54.935059][ T1357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.935074][ T1357]  __sys_sendmsg (net/socket.c:2799)
[   54.935077][ T1357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.935083][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.935086][ T1357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.935089][ T1357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.935092][ T1357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.935094][ T1357] RIP: 0033:0x7f9f1cd5454e
[   54.935098][ T1357] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.935100][ T1357] RSP: 002b:00007ffd38bcb920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.935102][ T1357] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f1cd5454e
[   54.935104][ T1357] RDX: 0000000000000000 RSI: 00007ffd38bcb9d0 RDI: 0000000000000005
[   54.935105][ T1357] RBP: 00007ffd38bcb930 R08: 0000000000000000 R09: 0000000000000000
[   54.935105][ T1357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ffb
[   54.935106][ T1357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd38bcc0a0
| [   78.452397][ T1888] softirqs last disabled at (17358): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   78.452400][ T1888] Preemption disabled at:
| [   78.452400][ T1888] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.452409][ T1888] Tainted: [W]=WARN
[   78.452409][ T1888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.452411][ T1888] Call Trace:
[   78.452413][ T1888]  <TASK>
[   78.452414][ T1888]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.452420][ T1888]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.452422][ T1888]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.452427][ T1888]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.452431][ T1888]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.452435][ T1888]  __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))
[   78.452441][ T1888]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.452448][ T1888]  ? 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)
[   78.452451][ T1888]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.452455][ T1888]  put_chars (drivers/char/virtio_console.c:1176)
[   78.452457][ T1888]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.452463][ T1888]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.452471][ T1888]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.452474][ T1888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.452478][ T1888]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.452482][ T1888]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.452484][ T1888]  ? 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))
[   78.452487][ T1888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.452490][ T1888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.452494][ T1888]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.452498][ T1888]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.452500][ T1888]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.452505][ T1888]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.452508][ T1888]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.452510][ T1888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.452511][ T1888]  ? 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)
[   78.452515][ T1888]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.452517][ T1888]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.452519][ T1888]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.452522][ T1888]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.452525][ T1888]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   78.452530][ T1888]  _printk (kernel/printk/printk.c:2504)
[   78.452533][ T1888]  ? snapshot_read.cold (user.c:?)
[   78.452535][ T1888]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.452537][ T1888]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.452540][ T1888]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.452542][ T1888]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   78.452546][ T1888]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   78.452549][ T1888]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   78.452551][ T1888]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   78.452554][ T1888]  ? netdev_notice (net/core/dev.c:13194)
[   78.452556][ T1888]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.452559][ T1888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.452562][ T1888]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   78.452565][ T1888]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   78.452567][ T1888]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   78.452569][ T1888]  ? register_netdev (net/core/dev.c:11618)
[   78.452571][ T1888]  ? 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))
[   78.452576][ T1888]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   78.452578][ T1888]  ? __kernel_text_address (kernel/extable.c:79)
[   78.452581][ T1888]  ? write_profile (profile.c:?)
[   78.452585][ T1888]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   78.452591][ T1888]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   78.452594][ T1888]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   78.452596][ T1888]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   78.452597][ T1888]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.452599][ T1888]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.452602][ T1888]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.452604][ T1888]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.452606][ T1888]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.452608][ T1888]  ? kasan_save_stack (mm/kasan/common.c:58)
[   78.452610][ T1888]  ? kasan_save_stack (mm/kasan/common.c:57)
[   78.452611][ T1888]  ? kasan_save_track (mm/kasan/common.c:78)
[   78.452613][ T1888]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   78.452615][ T1888]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.452617][ T1888]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   78.452620][ T1888]  ? ___sys_sendmsg (net/socket.c:2758)
[   78.452624][ T1888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.452626][ T1888]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   78.452628][ T1888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.452630][ T1888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.452631][ T1888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.452633][ T1888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.452634][ T1888]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   78.452636][ T1888]  ? __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)
[   78.452638][ T1888]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   78.452639][ T1888]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   78.452643][ T1888]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   78.452644][ T1888]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.452649][ T1888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.452651][ T1888]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   78.452656][ T1888]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.452661][ T1888]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.452663][ T1888]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.452667][ T1888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.452669][ T1888]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.452671][ T1888]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.452673][ T1888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.452676][ T1888]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.452678][ T1888]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.452682][ T1888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.452683][ T1888]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.452687][ T1888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.452689][ T1888]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.452692][ T1888]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.452696][ T1888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.452698][ T1888]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.452705][ T1888]  ? 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))
[   78.452707][ T1888]  ? 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))
[   78.452711][ T1888]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.452715][ T1888]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.452718][ T1888]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.452722][ T1888]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.452726][ T1888]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.452729][ T1888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.452731][ T1888]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   78.452736][ T1888]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.452739][ T1888]  ____sys_sendmsg (net/socket.c:2713)
[   78.452741][ T1888]  ? copy_msghdr_from_user (net/socket.c:2650)
[   78.452743][ T1888]  ? sock_write_iter (net/socket.c:1269)
[   78.452745][ T1888]  ? move_addr_to_kernel (net/socket.c:258)
[   78.452752][ T1888]  ___sys_sendmsg (net/socket.c:2767)
[   78.452755][ T1888]  ? copy_msghdr_from_user (net/socket.c:2619)
[   78.452770][ T1888]  __sys_sendmsg (net/socket.c:2799)
[   78.452773][ T1888]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   78.452779][ T1888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.452782][ T1888]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.452785][ T1888]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.452788][ T1888]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.452790][ T1888] RIP: 0033:0x7f97a000a54e
[   78.452796][ T1888] 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
[   78.452798][ T1888] RSP: 002b:00007ffc68e0a0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.452801][ T1888] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f97a000a54e
[   78.452803][ T1888] RDX: 0000000000000000 RSI: 00007ffc68e0a190 RDI: 0000000000000005
[   78.452803][ T1888] RBP: 00007ffc68e0a0f0 R08: 0000000000000000 R09: 0000000000000000
[   78.452804][ T1888] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911012
[   78.452805][ T1888] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc68e0a860
| [  100.045425][ T2419] softirqs last disabled at (24754): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  100.045427][ T2419] Preemption disabled at:
| [  100.045428][ T2419] vprintk_emit (kernel/printk/printk.c:2471)
| [  100.045436][ T2419] Tainted: [W]=WARN
[  100.045437][ T2419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.045438][ T2419] Call Trace:
[  100.045440][ T2419]  <TASK>
[  100.045441][ T2419]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.045447][ T2419]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  100.045448][ T2419]  __might_resched.cold (kernel/sched/core.c:9234)
[  100.045453][ T2419]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  100.045457][ T2419]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  100.045462][ T2419]  __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))
[  100.045463][ T2419]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.045469][ T2419]  ? 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)
[  100.045472][ T2419]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.045476][ T2419]  put_chars (drivers/char/virtio_console.c:1176)
[  100.045479][ T2419]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  100.045485][ T2419]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  100.045492][ T2419]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  100.045495][ T2419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.045499][ T2419]  console_emit_next_record (kernel/printk/printk.c:3183)
[  100.045503][ T2419]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.045505][ T2419]  ? 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))
[  100.045508][ T2419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.045511][ T2419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.045519][ T2419]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.045523][ T2419]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.045525][ T2419]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.045530][ T2419]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.045533][ T2419]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.045535][ T2419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.045537][ T2419]  ? 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)
[  100.045540][ T2419]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.045542][ T2419]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.045545][ T2419]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.045548][ T2419]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.045550][ T2419]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  100.045555][ T2419]  _printk (kernel/printk/printk.c:2504)
[  100.045559][ T2419]  ? snapshot_read.cold (user.c:?)
[  100.045561][ T2419]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  100.045563][ T2419]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.045566][ T2419]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  100.045568][ T2419]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  100.045572][ T2419]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  100.045575][ T2419]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.045577][ T2419]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  100.045580][ T2419]  ? netdev_notice (net/core/dev.c:13194)
[  100.045582][ T2419]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.045585][ T2419]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.045588][ T2419]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  100.045591][ T2419]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.045593][ T2419]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  100.045595][ T2419]  ? register_netdev (net/core/dev.c:11618)
[  100.045597][ T2419]  ? 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))
[  100.045602][ T2419]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  100.045604][ T2419]  ? __kernel_text_address (kernel/extable.c:79)
[  100.045607][ T2419]  ? write_profile (profile.c:?)
[  100.045611][ T2419]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.045617][ T2419]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.045620][ T2419]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  100.045622][ T2419]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  100.045623][ T2419]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.045625][ T2419]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.045629][ T2419]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  100.045631][ T2419]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.045632][ T2419]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  100.045635][ T2419]  ? kasan_save_stack (mm/kasan/common.c:58)
[  100.045636][ T2419]  ? kasan_save_stack (mm/kasan/common.c:57)
[  100.045638][ T2419]  ? kasan_save_track (mm/kasan/common.c:78)
[  100.045639][ T2419]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.045641][ T2419]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.045643][ T2419]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  100.045646][ T2419]  ? ___sys_sendmsg (net/socket.c:2758)
[  100.045650][ T2419]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.045652][ T2419]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  100.045654][ T2419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.045656][ T2419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.045657][ T2419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.045658][ T2419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.045660][ T2419]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  100.045662][ T2419]  ? __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)
[  100.045664][ T2419]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  100.045665][ T2419]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  100.045669][ T2419]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  100.045670][ T2419]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.045675][ T2419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.045677][ T2419]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  100.045682][ T2419]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  100.045687][ T2419]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.045689][ T2419]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.045693][ T2419]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.045695][ T2419]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.045697][ T2419]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.045699][ T2419]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.045702][ T2419]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.045704][ T2419]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  100.045707][ T2419]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.045709][ T2419]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.045713][ T2419]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.045715][ T2419]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.045719][ T2419]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.045722][ T2419]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.045725][ T2419]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.045731][ T2419]  ? 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))
[  100.045733][ T2419]  ? 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))
[  100.045737][ T2419]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.045741][ T2419]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.045744][ T2419]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.045748][ T2419]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.045752][ T2419]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  100.045756][ T2419]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.045757][ T2419]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  100.045762][ T2419]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  100.045765][ T2419]  ____sys_sendmsg (net/socket.c:2713)
[  100.045767][ T2419]  ? copy_msghdr_from_user (net/socket.c:2650)
[  100.045770][ T2419]  ? sock_write_iter (net/socket.c:1269)
[  100.045771][ T2419]  ? move_addr_to_kernel (net/socket.c:258)
[  100.045778][ T2419]  ___sys_sendmsg (net/socket.c:2767)
[  100.045781][ T2419]  ? copy_msghdr_from_user (net/socket.c:2619)
[  100.045800][ T2419]  __sys_sendmsg (net/socket.c:2799)
[  100.045802][ T2419]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  100.045808][ T2419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.045811][ T2419]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.045815][ T2419]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  100.045817][ T2419]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.045819][ T2419] RIP: 0033:0x7fbe850db54e
[  100.045823][ T2419] 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
[  100.045825][ T2419] RSP: 002b:00007ffd127bf830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.045827][ T2419] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbe850db54e
[  100.045829][ T2419] RDX: 0000000000000000 RSI: 00007ffd127bf8e0 RDI: 0000000000000005
[  100.045830][ T2419] RBP: 00007ffd127bf840 R08: 0000000000000000 R09: 0000000000000000
[  100.045830][ T2419] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911028
[  100.045831][ T2419] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd127bffb0
| [  191.553412][ T3794] softirqs last disabled at (23686): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  191.553415][ T3794] Preemption disabled at:
| [  191.553415][ T3794] vprintk_emit (kernel/printk/printk.c:2471)
| [  191.553423][ T3794] Tainted: [W]=WARN
[  191.553424][ T3794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  191.553426][ T3794] Call Trace:
[  191.553427][ T3794]  <TASK>
[  191.553429][ T3794]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  191.553434][ T3794]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  191.553436][ T3794]  __might_resched.cold (kernel/sched/core.c:9234)
[  191.553440][ T3794]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  191.553445][ T3794]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  191.553449][ T3794]  __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))
[  191.553450][ T3794]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.553457][ T3794]  ? 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)
[  191.553459][ T3794]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.553463][ T3794]  put_chars (drivers/char/virtio_console.c:1176)
[  191.553465][ T3794]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  191.553472][ T3794]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  191.553479][ T3794]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  191.553482][ T3794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.553487][ T3794]  console_emit_next_record (kernel/printk/printk.c:3183)
[  191.553491][ T3794]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  191.553493][ T3794]  ? 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))
[  191.553496][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.553499][ T3794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.553503][ T3794]  console_flush_one_record (kernel/printk/printk.c:3268)
[  191.553507][ T3794]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  191.553509][ T3794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  191.553514][ T3794]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  191.553517][ T3794]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  191.553519][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.553520][ T3794]  ? 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)
[  191.553524][ T3794]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  191.553526][ T3794]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  191.553528][ T3794]  vprintk_emit (kernel/printk/printk.c:2479)
[  191.553531][ T3794]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  191.553534][ T3794]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  191.553539][ T3794]  _printk (kernel/printk/printk.c:2504)
[  191.553542][ T3794]  ? snapshot_read.cold (user.c:?)
[  191.553544][ T3794]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  191.553547][ T3794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  191.553549][ T3794]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  191.553552][ T3794]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  191.553555][ T3794]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  191.553558][ T3794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  191.553560][ T3794]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  191.553563][ T3794]  ? netdev_notice (net/core/dev.c:13194)
[  191.553566][ T3794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  191.553569][ T3794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  191.553571][ T3794]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  191.553575][ T3794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  191.553577][ T3794]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  191.553579][ T3794]  ? register_netdev (net/core/dev.c:11618)
[  191.553580][ T3794]  ? 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))
[  191.553585][ T3794]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  191.553588][ T3794]  ? __kernel_text_address (kernel/extable.c:79)
[  191.553590][ T3794]  ? write_profile (profile.c:?)
[  191.553595][ T3794]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  191.553601][ T3794]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  191.553604][ T3794]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  191.553606][ T3794]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  191.553607][ T3794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  191.553609][ T3794]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  191.553613][ T3794]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  191.553614][ T3794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  191.553616][ T3794]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  191.553619][ T3794]  ? kasan_save_stack (mm/kasan/common.c:58)
[  191.553620][ T3794]  ? kasan_save_stack (mm/kasan/common.c:57)
[  191.553621][ T3794]  ? kasan_save_track (mm/kasan/common.c:78)
[  191.553623][ T3794]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  191.553625][ T3794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  191.553627][ T3794]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  191.553630][ T3794]  ? ___sys_sendmsg (net/socket.c:2758)
[  191.553634][ T3794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  191.553636][ T3794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  191.553639][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.553640][ T3794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.553642][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.553643][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.553644][ T3794]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  191.553647][ T3794]  ? __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)
[  191.553648][ T3794]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  191.553650][ T3794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  191.553653][ T3794]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  191.553654][ T3794]  ? nla_get_range_signed (lib/nlattr.c:270)
[  191.553659][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.553661][ T3794]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  191.553666][ T3794]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  191.553672][ T3794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.553673][ T3794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  191.553678][ T3794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  191.553680][ T3794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  191.553682][ T3794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.553684][ T3794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  191.553687][ T3794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.553689][ T3794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  191.553692][ T3794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  191.553694][ T3794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  191.553698][ T3794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  191.553700][ T3794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  191.553704][ T3794]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  191.553707][ T3794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  191.553709][ T3794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  191.553716][ T3794]  ? 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))
[  191.553718][ T3794]  ? 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))
[  191.553722][ T3794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  191.553726][ T3794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  191.553729][ T3794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  191.553733][ T3794]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  191.553737][ T3794]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  191.553741][ T3794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  191.553743][ T3794]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  191.553748][ T3794]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  191.553750][ T3794]  ____sys_sendmsg (net/socket.c:2713)
[  191.553753][ T3794]  ? copy_msghdr_from_user (net/socket.c:2650)
[  191.553755][ T3794]  ? sock_write_iter (net/socket.c:1269)
[  191.553756][ T3794]  ? move_addr_to_kernel (net/socket.c:258)
[  191.553764][ T3794]  ___sys_sendmsg (net/socket.c:2767)
[  191.553767][ T3794]  ? copy_msghdr_from_user (net/socket.c:2619)
[  191.553782][ T3794]  __sys_sendmsg (net/socket.c:2799)
[  191.553785][ T3794]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  191.553792][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.553798][ T3794]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  191.553801][ T3794]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  191.553804][ T3794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  191.553806][ T3794] RIP: 0033:0x7f9967d6554e
[  191.553810][ T3794] 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
[  191.553811][ T3794] RSP: 002b:00007ffd3dc146d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  191.553814][ T3794] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9967d6554e
[  191.553815][ T3794] RDX: 0000000000000000 RSI: 00007ffd3dc14780 RDI: 0000000000000005
[  191.553816][ T3794] RBP: 00007ffd3dc146e0 R08: 0000000000000000 R09: 0000000000000000
[  191.553817][ T3794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911083
[  191.553818][ T3794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3dc14e50
| [  202.105531][ T4084] softirqs last disabled at (24732): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  202.105534][ T4084] Preemption disabled at:
| [  202.105534][ T4084] vprintk_emit (kernel/printk/printk.c:2471)
| [  202.105543][ T4084] Tainted: [W]=WARN
[  202.105544][ T4084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.105545][ T4084] Call Trace:
[  202.105547][ T4084]  <TASK>
[  202.105549][ T4084]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.105555][ T4084]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  202.105556][ T4084]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.105561][ T4084]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.105565][ T4084]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  202.105570][ T4084]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  202.105572][ T4084]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.105578][ T4084]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  202.105581][ T4084]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.105585][ T4084]  put_chars (drivers/char/virtio_console.c:1176)
[  202.105587][ T4084]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.105594][ T4084]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.105601][ T4084]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.105604][ T4084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.105609][ T4084]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.105613][ T4084]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.105615][ T4084]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  202.105618][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.105621][ T4084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.105625][ T4084]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.105629][ T4084]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.105631][ T4084]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.105636][ T4084]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.105639][ T4084]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.105641][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.105642][ T4084]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  202.105646][ T4084]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.105648][ T4084]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.105650][ T4084]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.105654][ T4084]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.105656][ T4084]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  202.105661][ T4084]  _printk (kernel/printk/printk.c:2504)
[  202.105665][ T4084]  ? snapshot_read.cold (user.c:?)
[  202.105667][ T4084]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  202.105669][ T4084]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  202.105672][ T4084]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  202.105674][ T4084]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  202.105678][ T4084]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  202.105681][ T4084]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  202.105683][ T4084]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  202.105686][ T4084]  ? netdev_notice (net/core/dev.c:13194)
[  202.105689][ T4084]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.105692][ T4084]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.105694][ T4084]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  202.105698][ T4084]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  202.105700][ T4084]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  202.105702][ T4084]  ? register_netdev (net/core/dev.c:11618)
[  202.105703][ T4084]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  202.105709][ T4084]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  202.105711][ T4084]  ? __kernel_text_address (kernel/extable.c:79)
[  202.105714][ T4084]  ? write_profile (profile.c:?)
[  202.105718][ T4084]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  202.105723][ T4084]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  202.105727][ T4084]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  202.105729][ T4084]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  202.105730][ T4084]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  202.105732][ T4084]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  202.105735][ T4084]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  202.105737][ T4084]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  202.105739][ T4084]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  202.105741][ T4084]  ? kasan_save_stack (mm/kasan/common.c:58)
[  202.105743][ T4084]  ? kasan_save_stack (mm/kasan/common.c:57)
[  202.105744][ T4084]  ? kasan_save_track (mm/kasan/common.c:78)
[  202.105746][ T4084]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  202.105748][ T4084]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.105750][ T4084]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  202.105753][ T4084]  ? ___sys_sendmsg (net/socket.c:2758)
[  202.105757][ T4084]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.105759][ T4084]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  202.105761][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.105763][ T4084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.105764][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.105766][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.105767][ T4084]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  202.105770][ T4084]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  202.105771][ T4084]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  202.105773][ T4084]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  202.105776][ T4084]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  202.105777][ T4084]  ? nla_get_range_signed (lib/nlattr.c:270)
[  202.105782][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.105784][ T4084]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  202.105789][ T4084]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.105797][ T4084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.105799][ T4084]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.105804][ T4084]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.105806][ T4084]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.105808][ T4084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.105810][ T4084]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.105813][ T4084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.105815][ T4084]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.105819][ T4084]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.105820][ T4084]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.105824][ T4084]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.105826][ T4084]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.105830][ T4084]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.105833][ T4084]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.105836][ T4084]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.105842][ T4084]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  202.105844][ T4084]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  202.105849][ T4084]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.105853][ T4084]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.105855][ T4084]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.105860][ T4084]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.105864][ T4084]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.105868][ T4084]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.105870][ T4084]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  202.105875][ T4084]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  202.105878][ T4084]  ____sys_sendmsg (net/socket.c:2713)
[  202.105885][ T4084]  ? copy_msghdr_from_user (net/socket.c:2650)
[  202.105887][ T4084]  ? sock_write_iter (net/socket.c:1269)
[  202.105889][ T4084]  ? move_addr_to_kernel (net/socket.c:258)
[  202.105897][ T4084]  ___sys_sendmsg (net/socket.c:2767)
[  202.105899][ T4084]  ? copy_msghdr_from_user (net/socket.c:2619)
[  202.105915][ T4084]  __sys_sendmsg (net/socket.c:2799)
[  202.105918][ T4084]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  202.105924][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.105927][ T4084]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.105930][ T4084]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.105933][ T4084]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.105935][ T4084] RIP: 0033:0x7f80bb31354e
[  202.105939][ T4084] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  202.105941][ T4084] RSP: 002b:00007ffe07b6e4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  202.105944][ T4084] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f80bb31354e
[  202.105945][ T4084] RDX: 0000000000000000 RSI: 00007ffe07b6e580 RDI: 0000000000000005
[  202.105946][ T4084] RBP: 00007ffe07b6e4e0 R08: 0000000000000000 R09: 0000000000000000
[  202.105947][ T4084] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91108e
[  202.105948][ T4084] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe07b6ec50
| [  278.608932][ T5112] softirqs last disabled at (25962): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  278.608935][ T5112] Preemption disabled at:
| [  278.608935][ T5112] vprintk_emit (kernel/printk/printk.c:2471)
| [  278.608944][ T5112] Tainted: [W]=WARN
[  278.608945][ T5112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  278.608947][ T5112] Call Trace:
[  278.608948][ T5112]  <TASK>
[  278.608950][ T5112]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  278.608955][ T5112]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  278.608957][ T5112]  __might_resched.cold (kernel/sched/core.c:9234)
[  278.608961][ T5112]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  278.608966][ T5112]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  278.608970][ T5112]  __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))
[  278.608972][ T5112]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  278.608979][ T5112]  ? 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)
[  278.608982][ T5112]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  278.608986][ T5112]  put_chars (drivers/char/virtio_console.c:1176)
[  278.608988][ T5112]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  278.608995][ T5112]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  278.609002][ T5112]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  278.609006][ T5112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  278.609010][ T5112]  console_emit_next_record (kernel/printk/printk.c:3183)
[  278.609014][ T5112]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  278.609016][ T5112]  ? 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))
[  278.609020][ T5112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.609022][ T5112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  278.609026][ T5112]  console_flush_one_record (kernel/printk/printk.c:3268)
[  278.609031][ T5112]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  278.609033][ T5112]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.609038][ T5112]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  278.609041][ T5112]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  278.609043][ T5112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.609045][ T5112]  ? 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)
[  278.609048][ T5112]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  278.609050][ T5112]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  278.609053][ T5112]  vprintk_emit (kernel/printk/printk.c:2479)
[  278.609056][ T5112]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  278.609059][ T5112]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  278.609064][ T5112]  _printk (kernel/printk/printk.c:2504)
[  278.609067][ T5112]  ? snapshot_read.cold (user.c:?)
[  278.609069][ T5112]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  278.609072][ T5112]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  278.609075][ T5112]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  278.609077][ T5112]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  278.609080][ T5112]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  278.609083][ T5112]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  278.609085][ T5112]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  278.609088][ T5112]  ? netdev_notice (net/core/dev.c:13194)
[  278.609091][ T5112]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.609094][ T5112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  278.609097][ T5112]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  278.609100][ T5112]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  278.609102][ T5112]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  278.609104][ T5112]  ? register_netdev (net/core/dev.c:11618)
[  278.609106][ T5112]  ? 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))
[  278.609111][ T5112]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  278.609114][ T5112]  ? __kernel_text_address (kernel/extable.c:79)
[  278.609116][ T5112]  ? write_profile (profile.c:?)
[  278.609120][ T5112]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  278.609126][ T5112]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  278.609129][ T5112]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  278.609131][ T5112]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  278.609133][ T5112]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  278.609135][ T5112]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  278.609138][ T5112]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  278.609140][ T5112]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  278.609142][ T5112]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  278.609144][ T5112]  ? kasan_save_stack (mm/kasan/common.c:58)
[  278.609146][ T5112]  ? kasan_save_stack (mm/kasan/common.c:57)
[  278.609148][ T5112]  ? kasan_save_track (mm/kasan/common.c:78)
[  278.609149][ T5112]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  278.609156][ T5112]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.609158][ T5112]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  278.609161][ T5112]  ? ___sys_sendmsg (net/socket.c:2758)
[  278.609165][ T5112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  278.609167][ T5112]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  278.609170][ T5112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.609172][ T5112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  278.609174][ T5112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.609175][ T5112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.609176][ T5112]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  278.609179][ T5112]  ? __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)
[  278.609180][ T5112]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  278.609182][ T5112]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  278.609186][ T5112]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  278.609187][ T5112]  ? nla_get_range_signed (lib/nlattr.c:270)
[  278.609192][ T5112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.609194][ T5112]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  278.609200][ T5112]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  278.609205][ T5112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  278.609207][ T5112]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.609212][ T5112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  278.609214][ T5112]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.609216][ T5112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  278.609217][ T5112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  278.609221][ T5112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  278.609223][ T5112]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  278.609227][ T5112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  278.609228][ T5112]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.609233][ T5112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  278.609235][ T5112]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.609238][ T5112]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  278.609241][ T5112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  278.609244][ T5112]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  278.609251][ T5112]  ? 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))
[  278.609253][ T5112]  ? 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))
[  278.609258][ T5112]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  278.609262][ T5112]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  278.609264][ T5112]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.609269][ T5112]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  278.609273][ T5112]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  278.609277][ T5112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  278.609278][ T5112]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  278.609284][ T5112]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  278.609287][ T5112]  ____sys_sendmsg (net/socket.c:2713)
[  278.609289][ T5112]  ? copy_msghdr_from_user (net/socket.c:2650)
[  278.609291][ T5112]  ? sock_write_iter (net/socket.c:1269)
[  278.609293][ T5112]  ? move_addr_to_kernel (net/socket.c:258)
[  278.609301][ T5112]  ___sys_sendmsg (net/socket.c:2767)
[  278.609304][ T5112]  ? copy_msghdr_from_user (net/socket.c:2619)
[  278.609320][ T5112]  __sys_sendmsg (net/socket.c:2799)
[  278.609322][ T5112]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  278.609329][ T5112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.609332][ T5112]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  278.609335][ T5112]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  278.609338][ T5112]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  278.609340][ T5112] RIP: 0033:0x7f68ef54254e
[  278.609344][ T5112] 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
[  278.609346][ T5112] RSP: 002b:00007ffffa197010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  278.609349][ T5112] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f68ef54254e
[  278.609350][ T5112] RDX: 0000000000000000 RSI: 00007ffffa1970c0 RDI: 0000000000000005
[  278.609351][ T5112] RBP: 00007ffffa197020 R08: 0000000000000000 R09: 0000000000000000
[  278.609352][ T5112] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9110da
[  278.609353][ T5112] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffa197790
| [  336.804607][ T7004] softirqs last disabled at (18686): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  336.804609][ T7004] Preemption disabled at:
| [  336.804610][ T7004] vprintk_emit (kernel/printk/printk.c:2471)
| [  336.804619][ T7004] Tainted: [W]=WARN
[  336.804620][ T7004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  336.804622][ T7004] Call Trace:
[  336.804623][ T7004]  <TASK>
[  336.804625][ T7004]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  336.804631][ T7004]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  336.804632][ T7004]  __might_resched.cold (kernel/sched/core.c:9234)
[  336.804637][ T7004]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  336.804641][ T7004]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  336.804646][ T7004]  __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))
[  336.804648][ T7004]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  336.804654][ T7004]  ? 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)
[  336.804657][ T7004]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  336.804661][ T7004]  put_chars (drivers/char/virtio_console.c:1176)
[  336.804663][ T7004]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  336.804670][ T7004]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  336.804678][ T7004]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  336.804681][ T7004]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.804686][ T7004]  console_emit_next_record (kernel/printk/printk.c:3183)
[  336.804690][ T7004]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  336.804692][ T7004]  ? 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))
[  336.804695][ T7004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.804698][ T7004]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.804702][ T7004]  console_flush_one_record (kernel/printk/printk.c:3268)
[  336.804706][ T7004]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  336.804708][ T7004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.804713][ T7004]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  336.804716][ T7004]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  336.804718][ T7004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.804720][ T7004]  ? 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)
[  336.804724][ T7004]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  336.804726][ T7004]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  336.804729][ T7004]  vprintk_emit (kernel/printk/printk.c:2479)
[  336.804732][ T7004]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  336.804734][ T7004]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  336.804739][ T7004]  _printk (kernel/printk/printk.c:2504)
[  336.804743][ T7004]  ? snapshot_read.cold (user.c:?)
[  336.804744][ T7004]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  336.804747][ T7004]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  336.804750][ T7004]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  336.804752][ T7004]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  336.804756][ T7004]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  336.804758][ T7004]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  336.804761][ T7004]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  336.804764][ T7004]  ? netdev_notice (net/core/dev.c:13194)
[  336.804766][ T7004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  336.804769][ T7004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  336.804772][ T7004]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  336.804776][ T7004]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  336.804778][ T7004]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  336.804780][ T7004]  ? register_netdev (net/core/dev.c:11618)
[  336.804781][ T7004]  ? 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))
[  336.804787][ T7004]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  336.804789][ T7004]  ? __kernel_text_address (kernel/extable.c:79)
[  336.804792][ T7004]  ? write_profile (profile.c:?)
[  336.804799][ T7004]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  336.804805][ T7004]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  336.804808][ T7004]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  336.804811][ T7004]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  336.804812][ T7004]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  336.804814][ T7004]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  336.804817][ T7004]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  336.804819][ T7004]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  336.804821][ T7004]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  336.804823][ T7004]  ? kasan_save_stack (mm/kasan/common.c:58)
[  336.804825][ T7004]  ? kasan_save_stack (mm/kasan/common.c:57)
[  336.804827][ T7004]  ? kasan_save_track (mm/kasan/common.c:78)
[  336.804828][ T7004]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  336.804830][ T7004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.804832][ T7004]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  336.804835][ T7004]  ? ___sys_sendmsg (net/socket.c:2758)
[  336.804839][ T7004]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  336.804842][ T7004]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  336.804844][ T7004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.804846][ T7004]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.804848][ T7004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.804849][ T7004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.804850][ T7004]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  336.804853][ T7004]  ? __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)
[  336.804854][ T7004]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  336.804856][ T7004]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  336.804859][ T7004]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  336.804861][ T7004]  ? nla_get_range_signed (lib/nlattr.c:270)
[  336.804866][ T7004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.804868][ T7004]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  336.804873][ T7004]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  336.804879][ T7004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  336.804881][ T7004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.804885][ T7004]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  336.804887][ T7004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  336.804889][ T7004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  336.804891][ T7004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  336.804895][ T7004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  336.804897][ T7004]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  336.804900][ T7004]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  336.804901][ T7004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.804906][ T7004]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  336.804908][ T7004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  336.804912][ T7004]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  336.804915][ T7004]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  336.804918][ T7004]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  336.804924][ T7004]  ? 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))
[  336.804926][ T7004]  ? 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))
[  336.804931][ T7004]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  336.804935][ T7004]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  336.804937][ T7004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  336.804942][ T7004]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  336.804946][ T7004]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  336.804949][ T7004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  336.804951][ T7004]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  336.804957][ T7004]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  336.804959][ T7004]  ____sys_sendmsg (net/socket.c:2713)
[  336.804962][ T7004]  ? copy_msghdr_from_user (net/socket.c:2650)
[  336.804964][ T7004]  ? sock_write_iter (net/socket.c:1269)
[  336.804966][ T7004]  ? move_addr_to_kernel (net/socket.c:258)
[  336.804973][ T7004]  ___sys_sendmsg (net/socket.c:2767)
[  336.804976][ T7004]  ? copy_msghdr_from_user (net/socket.c:2619)
[  336.804992][ T7004]  __sys_sendmsg (net/socket.c:2799)
[  336.804995][ T7004]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  336.805002][ T7004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.805005][ T7004]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  336.805008][ T7004]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  336.805010][ T7004]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  336.805013][ T7004] RIP: 0033:0x7f836941a54e
[  336.805017][ T7004] 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
[  336.805019][ T7004] RSP: 002b:00007ffcde9d9ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  336.805022][ T7004] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f836941a54e
[  336.805023][ T7004] RDX: 0000000000000000 RSI: 00007ffcde9d9d90 RDI: 0000000000000005
[  336.805024][ T7004] RBP: 00007ffcde9d9cf0 R08: 0000000000000000 R09: 0000000000000000
[  336.805025][ T7004] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911115
[  336.805026][ T7004] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcde9da460
| [  364.677373][ T7952] softirqs last disabled at (20396): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  364.677376][ T7952] Preemption disabled at:
| [  364.677376][ T7952] vprintk_emit (kernel/printk/printk.c:2471)
| [  364.677385][ T7952] Tainted: [W]=WARN
[  364.677386][ T7952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  364.677388][ T7952] Call Trace:
[  364.677390][ T7952]  <TASK>
[  364.677391][ T7952]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  364.677397][ T7952]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  364.677399][ T7952]  __might_resched.cold (kernel/sched/core.c:9234)
[  364.677403][ T7952]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  364.677408][ T7952]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  364.677412][ T7952]  __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))
[  364.677414][ T7952]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  364.677421][ T7952]  ? 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)
[  364.677424][ T7952]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  364.677428][ T7952]  put_chars (drivers/char/virtio_console.c:1176)
[  364.677430][ T7952]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  364.677437][ T7952]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  364.677444][ T7952]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  364.677448][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.677452][ T7952]  console_emit_next_record (kernel/printk/printk.c:3183)
[  364.677460][ T7952]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  364.677463][ T7952]  ? 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))
[  364.677466][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.677469][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.677473][ T7952]  console_flush_one_record (kernel/printk/printk.c:3268)
[  364.677477][ T7952]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  364.677479][ T7952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.677485][ T7952]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  364.677487][ T7952]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  364.677489][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.677491][ T7952]  ? 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)
[  364.677495][ T7952]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  364.677497][ T7952]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  364.677499][ T7952]  vprintk_emit (kernel/printk/printk.c:2479)
[  364.677503][ T7952]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  364.677505][ T7952]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  364.677510][ T7952]  _printk (kernel/printk/printk.c:2504)
[  364.677514][ T7952]  ? snapshot_read.cold (user.c:?)
[  364.677516][ T7952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  364.677518][ T7952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  364.677521][ T7952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  364.677523][ T7952]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  364.677527][ T7952]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  364.677530][ T7952]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  364.677533][ T7952]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  364.677536][ T7952]  ? netdev_notice (net/core/dev.c:13194)
[  364.677538][ T7952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  364.677542][ T7952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  364.677544][ T7952]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  364.677548][ T7952]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  364.677550][ T7952]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  364.677552][ T7952]  ? register_netdev (net/core/dev.c:11618)
[  364.677553][ T7952]  ? 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))
[  364.677559][ T7952]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  364.677562][ T7952]  ? __kernel_text_address (kernel/extable.c:79)
[  364.677564][ T7952]  ? write_profile (profile.c:?)
[  364.677568][ T7952]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  364.677574][ T7952]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  364.677577][ T7952]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  364.677580][ T7952]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  364.677581][ T7952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  364.677583][ T7952]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  364.677586][ T7952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  364.677588][ T7952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  364.677590][ T7952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  364.677593][ T7952]  ? kasan_save_stack (mm/kasan/common.c:58)
[  364.677595][ T7952]  ? kasan_save_stack (mm/kasan/common.c:57)
[  364.677596][ T7952]  ? kasan_save_track (mm/kasan/common.c:78)
[  364.677597][ T7952]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  364.677600][ T7952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.677601][ T7952]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  364.677605][ T7952]  ? ___sys_sendmsg (net/socket.c:2758)
[  364.677609][ T7952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  364.677611][ T7952]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  364.677613][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.677615][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.677617][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.677618][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.677620][ T7952]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  364.677622][ T7952]  ? __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)
[  364.677623][ T7952]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  364.677625][ T7952]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  364.677629][ T7952]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  364.677630][ T7952]  ? nla_get_range_signed (lib/nlattr.c:270)
[  364.677635][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.677637][ T7952]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  364.677642][ T7952]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  364.677648][ T7952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  364.677649][ T7952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.677654][ T7952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  364.677656][ T7952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  364.677658][ T7952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  364.677660][ T7952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  364.677664][ T7952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  364.677666][ T7952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  364.677669][ T7952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  364.677670][ T7952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.677675][ T7952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  364.677677][ T7952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  364.677680][ T7952]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  364.677684][ T7952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  364.677687][ T7952]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  364.677693][ T7952]  ? 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))
[  364.677695][ T7952]  ? 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))
[  364.677700][ T7952]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  364.677704][ T7952]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  364.677707][ T7952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  364.677711][ T7952]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  364.677715][ T7952]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  364.677719][ T7952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  364.677721][ T7952]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  364.677726][ T7952]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  364.677729][ T7952]  ____sys_sendmsg (net/socket.c:2713)
[  364.677731][ T7952]  ? copy_msghdr_from_user (net/socket.c:2650)
[  364.677734][ T7952]  ? sock_write_iter (net/socket.c:1269)
[  364.677735][ T7952]  ? move_addr_to_kernel (net/socket.c:258)
[  364.677743][ T7952]  ___sys_sendmsg (net/socket.c:2767)
[  364.677746][ T7952]  ? copy_msghdr_from_user (net/socket.c:2619)
[  364.677762][ T7952]  __sys_sendmsg (net/socket.c:2799)
[  364.677765][ T7952]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  364.677771][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.677774][ T7952]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  364.677777][ T7952]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  364.677780][ T7952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  364.677782][ T7952] RIP: 0033:0x7f2f690ba54e
[  364.677786][ T7952] 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
[  364.677788][ T7952] RSP: 002b:00007ffd7d4179d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  364.677791][ T7952] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2f690ba54e
[  364.677792][ T7952] RDX: 0000000000000000 RSI: 00007ffd7d417a80 RDI: 0000000000000005
[  364.677793][ T7952] RBP: 00007ffd7d4179e0 R08: 0000000000000000 R09: 0000000000000000
[  364.677797][ T7952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911130
[  364.677797][ T7952] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7d418150
| [  372.104430][ T8159] softirqs last disabled at (18728): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  372.104433][ T8159] Preemption disabled at:
| [  372.104433][ T8159] vprintk_emit (kernel/printk/printk.c:2471)
| [  372.104441][ T8159] Tainted: [W]=WARN
[  372.104442][ T8159] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  372.104444][ T8159] Call Trace:
[  372.104446][ T8159]  <TASK>
[  372.104447][ T8159]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  372.104453][ T8159]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  372.104455][ T8159]  __might_resched.cold (kernel/sched/core.c:9234)
[  372.104459][ T8159]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  372.104463][ T8159]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  372.104468][ T8159]  __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))
[  372.104469][ T8159]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  372.104476][ T8159]  ? 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)
[  372.104479][ T8159]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  372.104482][ T8159]  put_chars (drivers/char/virtio_console.c:1176)
[  372.104488][ T8159]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  372.104494][ T8159]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  372.104502][ T8159]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  372.104505][ T8159]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  372.104509][ T8159]  console_emit_next_record (kernel/printk/printk.c:3183)
[  372.104513][ T8159]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  372.104515][ T8159]  ? 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))
[  372.104518][ T8159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.104521][ T8159]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  372.104525][ T8159]  console_flush_one_record (kernel/printk/printk.c:3268)
[  372.104529][ T8159]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  372.104531][ T8159]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.104536][ T8159]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  372.104539][ T8159]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  372.104541][ T8159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.104543][ T8159]  ? 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)
[  372.104546][ T8159]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  372.104548][ T8159]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  372.104551][ T8159]  vprintk_emit (kernel/printk/printk.c:2479)
[  372.104554][ T8159]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  372.104556][ T8159]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  372.104561][ T8159]  _printk (kernel/printk/printk.c:2504)
[  372.104565][ T8159]  ? snapshot_read.cold (user.c:?)
[  372.104566][ T8159]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  372.104569][ T8159]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  372.104572][ T8159]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  372.104574][ T8159]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  372.104577][ T8159]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  372.104580][ T8159]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  372.104582][ T8159]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  372.104585][ T8159]  ? netdev_notice (net/core/dev.c:13194)
[  372.104588][ T8159]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  372.104591][ T8159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  372.104593][ T8159]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  372.104597][ T8159]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  372.104599][ T8159]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  372.104601][ T8159]  ? register_netdev (net/core/dev.c:11618)
[  372.104602][ T8159]  ? 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))
[  372.104608][ T8159]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  372.104610][ T8159]  ? __kernel_text_address (kernel/extable.c:79)
[  372.104613][ T8159]  ? write_profile (profile.c:?)
[  372.104616][ T8159]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  372.104622][ T8159]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  372.104625][ T8159]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  372.104627][ T8159]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  372.104629][ T8159]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  372.104630][ T8159]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  372.104634][ T8159]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  372.104636][ T8159]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  372.104637][ T8159]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  372.104640][ T8159]  ? kasan_save_stack (mm/kasan/common.c:58)
[  372.104642][ T8159]  ? kasan_save_stack (mm/kasan/common.c:57)
[  372.104643][ T8159]  ? kasan_save_track (mm/kasan/common.c:78)
[  372.104644][ T8159]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  372.104646][ T8159]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.104648][ T8159]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  372.104651][ T8159]  ? ___sys_sendmsg (net/socket.c:2758)
[  372.104655][ T8159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  372.104657][ T8159]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  372.104660][ T8159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.104661][ T8159]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  372.104663][ T8159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.104664][ T8159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.104666][ T8159]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  372.104668][ T8159]  ? __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)
[  372.104669][ T8159]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  372.104671][ T8159]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  372.104674][ T8159]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  372.104676][ T8159]  ? nla_get_range_signed (lib/nlattr.c:270)
[  372.104680][ T8159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.104682][ T8159]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  372.104687][ T8159]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  372.104693][ T8159]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  372.104695][ T8159]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.104699][ T8159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  372.104701][ T8159]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  372.104703][ T8159]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  372.104705][ T8159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  372.104708][ T8159]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  372.104710][ T8159]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  372.104713][ T8159]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  372.104715][ T8159]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.104719][ T8159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  372.104721][ T8159]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  372.104724][ T8159]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  372.104727][ T8159]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  372.104730][ T8159]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  372.104736][ T8159]  ? 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))
[  372.104738][ T8159]  ? 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))
[  372.104743][ T8159]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  372.104747][ T8159]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  372.104749][ T8159]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  372.104753][ T8159]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  372.104757][ T8159]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  372.104761][ T8159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  372.104762][ T8159]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  372.104768][ T8159]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  372.104770][ T8159]  ____sys_sendmsg (net/socket.c:2713)
[  372.104773][ T8159]  ? copy_msghdr_from_user (net/socket.c:2650)
[  372.104775][ T8159]  ? sock_write_iter (net/socket.c:1269)
[  372.104776][ T8159]  ? move_addr_to_kernel (net/socket.c:258)
[  372.104784][ T8159]  ___sys_sendmsg (net/socket.c:2767)
[  372.104786][ T8159]  ? copy_msghdr_from_user (net/socket.c:2619)
[  372.104806][ T8159]  __sys_sendmsg (net/socket.c:2799)
[  372.104808][ T8159]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  372.104815][ T8159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.104818][ T8159]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  372.104820][ T8159]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  372.104823][ T8159]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  372.104825][ T8159] RIP: 0033:0x7f1c39e8854e
[  372.104829][ T8159] 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
[  372.104830][ T8159] RSP: 002b:00007ffed86d18c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  372.104833][ T8159] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1c39e8854e
[  372.104834][ T8159] RDX: 0000000000000000 RSI: 00007ffed86d1970 RDI: 0000000000000005
[  372.104835][ T8159] RBP: 00007ffed86d18d0 R08: 0000000000000000 R09: 0000000000000000
[  372.104836][ T8159] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911138
[  372.104837][ T8159] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed86d2040
| [  381.528565][ T8431] softirqs last disabled at (19238): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  381.528568][ T8431] Preemption disabled at:
| [  381.528569][ T8431] vprintk_emit (kernel/printk/printk.c:2471)
| [  381.528577][ T8431] Tainted: [W]=WARN
[  381.528578][ T8431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  381.528579][ T8431] Call Trace:
[  381.528581][ T8431]  <TASK>
[  381.528583][ T8431]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  381.528588][ T8431]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  381.528590][ T8431]  __might_resched.cold (kernel/sched/core.c:9234)
[  381.528594][ T8431]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  381.528599][ T8431]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  381.528603][ T8431]  __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))
[  381.528605][ T8431]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  381.528612][ T8431]  ? 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)
[  381.528615][ T8431]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  381.528619][ T8431]  put_chars (drivers/char/virtio_console.c:1176)
[  381.528621][ T8431]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  381.528627][ T8431]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  381.528635][ T8431]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  381.528638][ T8431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  381.528643][ T8431]  console_emit_next_record (kernel/printk/printk.c:3183)
[  381.528647][ T8431]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  381.528649][ T8431]  ? 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))
[  381.528652][ T8431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  381.528655][ T8431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  381.528659][ T8431]  console_flush_one_record (kernel/printk/printk.c:3268)
[  381.528663][ T8431]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  381.528665][ T8431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  381.528671][ T8431]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  381.528673][ T8431]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  381.528675][ T8431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  381.528677][ T8431]  ? 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)
[  381.528681][ T8431]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  381.528683][ T8431]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  381.528685][ T8431]  vprintk_emit (kernel/printk/printk.c:2479)
[  381.528689][ T8431]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  381.528691][ T8431]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  381.528696][ T8431]  _printk (kernel/printk/printk.c:2504)
[  381.528700][ T8431]  ? snapshot_read.cold (user.c:?)
[  381.528702][ T8431]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  381.528704][ T8431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  381.528707][ T8431]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  381.528709][ T8431]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  381.528713][ T8431]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  381.528716][ T8431]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  381.528718][ T8431]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  381.528721][ T8431]  ? netdev_notice (net/core/dev.c:13194)
[  381.528724][ T8431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  381.528727][ T8431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  381.528729][ T8431]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  381.528733][ T8431]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  381.528735][ T8431]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  381.528737][ T8431]  ? register_netdev (net/core/dev.c:11618)
[  381.528738][ T8431]  ? 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))
[  381.528744][ T8431]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  381.528746][ T8431]  ? __kernel_text_address (kernel/extable.c:79)
[  381.528749][ T8431]  ? write_profile (profile.c:?)
[  381.528753][ T8431]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  381.528759][ T8431]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  381.528762][ T8431]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  381.528764][ T8431]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  381.528766][ T8431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  381.528768][ T8431]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  381.528771][ T8431]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  381.528773][ T8431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  381.528775][ T8431]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  381.528777][ T8431]  ? kasan_save_stack (mm/kasan/common.c:58)
[  381.528779][ T8431]  ? kasan_save_stack (mm/kasan/common.c:57)
[  381.528781][ T8431]  ? kasan_save_track (mm/kasan/common.c:78)
[  381.528782][ T8431]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  381.528784][ T8431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  381.528786][ T8431]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  381.528789][ T8431]  ? ___sys_sendmsg (net/socket.c:2758)
[  381.528793][ T8431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  381.528798][ T8431]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  381.528801][ T8431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  381.528803][ T8431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  381.528804][ T8431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  381.528805][ T8431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  381.528807][ T8431]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  381.528809][ T8431]  ? __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)
[  381.528811][ T8431]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  381.528813][ T8431]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  381.528816][ T8431]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  381.528817][ T8431]  ? nla_get_range_signed (lib/nlattr.c:270)
[  381.528822][ T8431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  381.528825][ T8431]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  381.528830][ T8431]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  381.528835][ T8431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  381.528837][ T8431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  381.528842][ T8431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  381.528844][ T8431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  381.528846][ T8431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  381.528847][ T8431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  381.528851][ T8431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  381.528853][ T8431]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  381.528857][ T8431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  381.528858][ T8431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  381.528863][ T8431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  381.528864][ T8431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  381.528868][ T8431]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  381.528871][ T8431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  381.528874][ T8431]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  381.528881][ T8431]  ? 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))
[  381.528883][ T8431]  ? 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))
[  381.528887][ T8431]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  381.528891][ T8431]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  381.528894][ T8431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  381.528898][ T8431]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  381.528902][ T8431]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  381.528906][ T8431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  381.528908][ T8431]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  381.528913][ T8431]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  381.528916][ T8431]  ____sys_sendmsg (net/socket.c:2713)
[  381.528918][ T8431]  ? copy_msghdr_from_user (net/socket.c:2650)
[  381.528921][ T8431]  ? sock_write_iter (net/socket.c:1269)
[  381.528922][ T8431]  ? move_addr_to_kernel (net/socket.c:258)
[  381.528930][ T8431]  ___sys_sendmsg (net/socket.c:2767)
[  381.528932][ T8431]  ? copy_msghdr_from_user (net/socket.c:2619)
[  381.528949][ T8431]  __sys_sendmsg (net/socket.c:2799)
[  381.528951][ T8431]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  381.528958][ T8431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  381.528961][ T8431]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  381.528964][ T8431]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  381.528967][ T8431]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  381.528969][ T8431] RIP: 0033:0x7fe42433654e
[  381.528973][ T8431] 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
[  381.528975][ T8431] RSP: 002b:00007ffcc879c2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  381.528978][ T8431] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe42433654e
[  381.528980][ T8431] RDX: 0000000000000000 RSI: 00007ffcc879c370 RDI: 0000000000000005
[  381.528980][ T8431] RBP: 00007ffcc879c2d0 R08: 0000000000000000 R09: 0000000000000000
[  381.528981][ T8431] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911141
[  381.528982][ T8431] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc879ca40
| [  390.600451][ T8567] softirqs last disabled at (19946): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  390.600454][ T8567] Preemption disabled at:
| [  390.600454][ T8567] vprintk_emit (kernel/printk/printk.c:2471)
| [  390.600463][ T8567] Tainted: [W]=WARN
[  390.600464][ T8567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  390.600465][ T8567] Call Trace:
[  390.600467][ T8567]  <TASK>
[  390.600469][ T8567]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  390.600475][ T8567]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  390.600476][ T8567]  __might_resched.cold (kernel/sched/core.c:9234)
[  390.600481][ T8567]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  390.600485][ T8567]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  390.600489][ T8567]  __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))
[  390.600491][ T8567]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.600498][ T8567]  ? 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)
[  390.600500][ T8567]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.600504][ T8567]  put_chars (drivers/char/virtio_console.c:1176)
[  390.600506][ T8567]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  390.600513][ T8567]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  390.600520][ T8567]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  390.600523][ T8567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.600528][ T8567]  console_emit_next_record (kernel/printk/printk.c:3183)
[  390.600532][ T8567]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  390.600534][ T8567]  ? 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))
[  390.600537][ T8567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.600540][ T8567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.600544][ T8567]  console_flush_one_record (kernel/printk/printk.c:3268)
[  390.600548][ T8567]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  390.600554][ T8567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.600560][ T8567]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  390.600562][ T8567]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  390.600564][ T8567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.600566][ T8567]  ? 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)
[  390.600570][ T8567]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  390.600571][ T8567]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  390.600574][ T8567]  vprintk_emit (kernel/printk/printk.c:2479)
[  390.600577][ T8567]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  390.600580][ T8567]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  390.600585][ T8567]  _printk (kernel/printk/printk.c:2504)
[  390.600588][ T8567]  ? snapshot_read.cold (user.c:?)
[  390.600590][ T8567]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  390.600593][ T8567]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  390.600595][ T8567]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  390.600598][ T8567]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  390.600601][ T8567]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  390.600604][ T8567]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  390.600606][ T8567]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  390.600609][ T8567]  ? netdev_notice (net/core/dev.c:13194)
[  390.600612][ T8567]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  390.600615][ T8567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  390.600617][ T8567]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  390.600621][ T8567]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  390.600623][ T8567]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  390.600625][ T8567]  ? register_netdev (net/core/dev.c:11618)
[  390.600626][ T8567]  ? 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))
[  390.600631][ T8567]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  390.600634][ T8567]  ? __kernel_text_address (kernel/extable.c:79)
[  390.600636][ T8567]  ? write_profile (profile.c:?)
[  390.600640][ T8567]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  390.600646][ T8567]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  390.600649][ T8567]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  390.600651][ T8567]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  390.600652][ T8567]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  390.600654][ T8567]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  390.600658][ T8567]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  390.600660][ T8567]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  390.600661][ T8567]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  390.600664][ T8567]  ? kasan_save_stack (mm/kasan/common.c:58)
[  390.600666][ T8567]  ? kasan_save_stack (mm/kasan/common.c:57)
[  390.600667][ T8567]  ? kasan_save_track (mm/kasan/common.c:78)
[  390.600668][ T8567]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  390.600670][ T8567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.600672][ T8567]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  390.600675][ T8567]  ? ___sys_sendmsg (net/socket.c:2758)
[  390.600679][ T8567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  390.600681][ T8567]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  390.600683][ T8567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.600685][ T8567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.600686][ T8567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.600688][ T8567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.600689][ T8567]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  390.600691][ T8567]  ? __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)
[  390.600693][ T8567]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  390.600695][ T8567]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  390.600698][ T8567]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  390.600699][ T8567]  ? nla_get_range_signed (lib/nlattr.c:270)
[  390.600704][ T8567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.600706][ T8567]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  390.600711][ T8567]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  390.600716][ T8567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  390.600718][ T8567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.600723][ T8567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  390.600725][ T8567]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  390.600726][ T8567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  390.600728][ T8567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  390.600732][ T8567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  390.600734][ T8567]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  390.600737][ T8567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  390.600738][ T8567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.600742][ T8567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  390.600745][ T8567]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  390.600748][ T8567]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  390.600751][ T8567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  390.600754][ T8567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  390.600760][ T8567]  ? 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))
[  390.600762][ T8567]  ? 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))
[  390.600767][ T8567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  390.600770][ T8567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  390.600773][ T8567]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  390.600777][ T8567]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  390.600781][ T8567]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  390.600785][ T8567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  390.600786][ T8567]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  390.600792][ T8567]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  390.600797][ T8567]  ____sys_sendmsg (net/socket.c:2713)
[  390.600800][ T8567]  ? copy_msghdr_from_user (net/socket.c:2650)
[  390.600802][ T8567]  ? sock_write_iter (net/socket.c:1269)
[  390.600803][ T8567]  ? move_addr_to_kernel (net/socket.c:258)
[  390.600811][ T8567]  ___sys_sendmsg (net/socket.c:2767)
[  390.600813][ T8567]  ? copy_msghdr_from_user (net/socket.c:2619)
[  390.600829][ T8567]  __sys_sendmsg (net/socket.c:2799)
[  390.600831][ T8567]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  390.600838][ T8567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.600840][ T8567]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  390.600843][ T8567]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  390.600846][ T8567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  390.600849][ T8567] RIP: 0033:0x7f8e7326354e
[  390.600853][ T8567] 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
[  390.600855][ T8567] RSP: 002b:00007ffc69037840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  390.600857][ T8567] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8e7326354e
[  390.600859][ T8567] RDX: 0000000000000000 RSI: 00007ffc690378f0 RDI: 0000000000000005
[  390.600860][ T8567] RBP: 00007ffc69037850 R08: 0000000000000000 R09: 0000000000000000
[  390.600860][ T8567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91114a
[  390.600861][ T8567] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc69037fc0
| [  397.684566][ T8703] softirqs last disabled at (27134): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  397.684569][ T8703] Preemption disabled at:
| [  397.684569][ T8703] vprintk_emit (kernel/printk/printk.c:2471)
| [  397.684582][ T8703] Tainted: [W]=WARN
[  397.684583][ T8703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  397.684585][ T8703] Call Trace:
[  397.684587][ T8703]  <TASK>
[  397.684588][ T8703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  397.684594][ T8703]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  397.684596][ T8703]  __might_resched.cold (kernel/sched/core.c:9234)
[  397.684600][ T8703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  397.684604][ T8703]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  397.684609][ T8703]  __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))
[  397.684610][ T8703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  397.684617][ T8703]  ? 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)
[  397.684620][ T8703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  397.684624][ T8703]  put_chars (drivers/char/virtio_console.c:1176)
[  397.684626][ T8703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  397.684632][ T8703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  397.684640][ T8703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  397.684643][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  397.684647][ T8703]  console_emit_next_record (kernel/printk/printk.c:3183)
[  397.684652][ T8703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  397.684654][ T8703]  ? 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))
[  397.684657][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.684660][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  397.684664][ T8703]  console_flush_one_record (kernel/printk/printk.c:3268)
[  397.684668][ T8703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  397.684670][ T8703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  397.684675][ T8703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  397.684678][ T8703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  397.684680][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.684682][ T8703]  ? 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)
[  397.684685][ T8703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  397.684687][ T8703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  397.684690][ T8703]  vprintk_emit (kernel/printk/printk.c:2479)
[  397.684693][ T8703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  397.684695][ T8703]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  397.684701][ T8703]  _printk (kernel/printk/printk.c:2504)
[  397.684704][ T8703]  ? snapshot_read.cold (user.c:?)
[  397.684706][ T8703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  397.684708][ T8703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  397.684711][ T8703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  397.684713][ T8703]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  397.684717][ T8703]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  397.684720][ T8703]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  397.684722][ T8703]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  397.684725][ T8703]  ? netdev_notice (net/core/dev.c:13194)
[  397.684728][ T8703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  397.684731][ T8703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  397.684734][ T8703]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  397.684737][ T8703]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  397.684739][ T8703]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  397.684741][ T8703]  ? register_netdev (net/core/dev.c:11618)
[  397.684743][ T8703]  ? 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))
[  397.684748][ T8703]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  397.684751][ T8703]  ? __kernel_text_address (kernel/extable.c:79)
[  397.684753][ T8703]  ? write_profile (profile.c:?)
[  397.684757][ T8703]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  397.684763][ T8703]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  397.684766][ T8703]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  397.684768][ T8703]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  397.684770][ T8703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  397.684772][ T8703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  397.684775][ T8703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  397.684777][ T8703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  397.684779][ T8703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  397.684781][ T8703]  ? kasan_save_stack (mm/kasan/common.c:58)
[  397.684783][ T8703]  ? kasan_save_stack (mm/kasan/common.c:57)
[  397.684784][ T8703]  ? kasan_save_track (mm/kasan/common.c:78)
[  397.684786][ T8703]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  397.684788][ T8703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  397.684790][ T8703]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  397.684793][ T8703]  ? ___sys_sendmsg (net/socket.c:2758)
[  397.684800][ T8703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  397.684802][ T8703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  397.684804][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.684806][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  397.684808][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.684809][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.684810][ T8703]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  397.684813][ T8703]  ? __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)
[  397.684814][ T8703]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  397.684816][ T8703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  397.684819][ T8703]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  397.684821][ T8703]  ? nla_get_range_signed (lib/nlattr.c:270)
[  397.684826][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.684828][ T8703]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  397.684833][ T8703]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  397.684838][ T8703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  397.684840][ T8703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  397.684845][ T8703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  397.684847][ T8703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  397.684849][ T8703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  397.684850][ T8703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  397.684854][ T8703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  397.684856][ T8703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  397.684859][ T8703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  397.684861][ T8703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  397.684865][ T8703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  397.684867][ T8703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  397.684871][ T8703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  397.684874][ T8703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  397.684877][ T8703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  397.684883][ T8703]  ? 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))
[  397.684885][ T8703]  ? 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))
[  397.684890][ T8703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  397.684894][ T8703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  397.684896][ T8703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  397.684901][ T8703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  397.684905][ T8703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  397.684908][ T8703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  397.684910][ T8703]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  397.684915][ T8703]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  397.684918][ T8703]  ____sys_sendmsg (net/socket.c:2713)
[  397.684920][ T8703]  ? copy_msghdr_from_user (net/socket.c:2650)
[  397.684923][ T8703]  ? sock_write_iter (net/socket.c:1269)
[  397.684924][ T8703]  ? move_addr_to_kernel (net/socket.c:258)
[  397.684931][ T8703]  ___sys_sendmsg (net/socket.c:2767)
[  397.684934][ T8703]  ? copy_msghdr_from_user (net/socket.c:2619)
[  397.684950][ T8703]  __sys_sendmsg (net/socket.c:2799)
[  397.684953][ T8703]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  397.684959][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.684962][ T8703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  397.684965][ T8703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  397.684968][ T8703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  397.684970][ T8703] RIP: 0033:0x7fb1e689654e
[  397.684974][ T8703] 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
[  397.684976][ T8703] RSP: 002b:00007ffd0cdf9fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  397.684978][ T8703] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb1e689654e
[  397.684980][ T8703] RDX: 0000000000000000 RSI: 00007ffd0cdfa060 RDI: 0000000000000005
[  397.684981][ T8703] RBP: 00007ffd0cdf9fc0 R08: 0000000000000000 R09: 0000000000000000
[  397.684982][ T8703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911151
[  397.684983][ T8703] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0cdfa730
| [  406.607462][ T8847] softirqs last disabled at (25388): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  406.607465][ T8847] Preemption disabled at:
| [  406.607465][ T8847] vprintk_emit (kernel/printk/printk.c:2471)
| [  406.607475][ T8847] Tainted: [W]=WARN
[  406.607476][ T8847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  406.607477][ T8847] Call Trace:
[  406.607479][ T8847]  <TASK>
[  406.607481][ T8847]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  406.607487][ T8847]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  406.607488][ T8847]  __might_resched.cold (kernel/sched/core.c:9234)
[  406.607493][ T8847]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  406.607497][ T8847]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  406.607501][ T8847]  __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))
[  406.607503][ T8847]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  406.607510][ T8847]  ? 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)
[  406.607512][ T8847]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  406.607516][ T8847]  put_chars (drivers/char/virtio_console.c:1176)
[  406.607519][ T8847]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  406.607525][ T8847]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  406.607533][ T8847]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  406.607536][ T8847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.607540][ T8847]  console_emit_next_record (kernel/printk/printk.c:3183)
[  406.607544][ T8847]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  406.607546][ T8847]  ? 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))
[  406.607549][ T8847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.607552][ T8847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.607556][ T8847]  console_flush_one_record (kernel/printk/printk.c:3268)
[  406.607560][ T8847]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  406.607562][ T8847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.607567][ T8847]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  406.607570][ T8847]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  406.607572][ T8847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.607574][ T8847]  ? 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)
[  406.607577][ T8847]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  406.607579][ T8847]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  406.607582][ T8847]  vprintk_emit (kernel/printk/printk.c:2479)
[  406.607585][ T8847]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  406.607588][ T8847]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  406.607593][ T8847]  _printk (kernel/printk/printk.c:2504)
[  406.607596][ T8847]  ? snapshot_read.cold (user.c:?)
[  406.607598][ T8847]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  406.607600][ T8847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  406.607603][ T8847]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  406.607605][ T8847]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  406.607612][ T8847]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  406.607615][ T8847]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  406.607617][ T8847]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  406.607620][ T8847]  ? netdev_notice (net/core/dev.c:13194)
[  406.607623][ T8847]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  406.607626][ T8847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  406.607628][ T8847]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  406.607631][ T8847]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  406.607633][ T8847]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  406.607635][ T8847]  ? register_netdev (net/core/dev.c:11618)
[  406.607637][ T8847]  ? 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))
[  406.607642][ T8847]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  406.607645][ T8847]  ? __kernel_text_address (kernel/extable.c:79)
[  406.607647][ T8847]  ? write_profile (profile.c:?)
[  406.607651][ T8847]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  406.607656][ T8847]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  406.607660][ T8847]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  406.607662][ T8847]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  406.607663][ T8847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  406.607665][ T8847]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  406.607668][ T8847]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  406.607670][ T8847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  406.607672][ T8847]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  406.607674][ T8847]  ? kasan_save_stack (mm/kasan/common.c:58)
[  406.607676][ T8847]  ? kasan_save_stack (mm/kasan/common.c:57)
[  406.607677][ T8847]  ? kasan_save_track (mm/kasan/common.c:78)
[  406.607678][ T8847]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  406.607680][ T8847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.607682][ T8847]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  406.607686][ T8847]  ? ___sys_sendmsg (net/socket.c:2758)
[  406.607689][ T8847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  406.607691][ T8847]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  406.607694][ T8847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.607696][ T8847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.607697][ T8847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.607698][ T8847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.607700][ T8847]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  406.607702][ T8847]  ? __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)
[  406.607704][ T8847]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  406.607705][ T8847]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  406.607709][ T8847]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  406.607710][ T8847]  ? nla_get_range_signed (lib/nlattr.c:270)
[  406.607715][ T8847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.607717][ T8847]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  406.607722][ T8847]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  406.607727][ T8847]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  406.607729][ T8847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.607733][ T8847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  406.607735][ T8847]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  406.607737][ T8847]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  406.607739][ T8847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  406.607742][ T8847]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  406.607744][ T8847]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  406.607748][ T8847]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  406.607749][ T8847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.607753][ T8847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  406.607755][ T8847]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  406.607758][ T8847]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  406.607761][ T8847]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  406.607764][ T8847]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  406.607770][ T8847]  ? 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))
[  406.607772][ T8847]  ? 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))
[  406.607777][ T8847]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  406.607781][ T8847]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  406.607783][ T8847]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  406.607787][ T8847]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  406.607791][ T8847]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  406.607797][ T8847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  406.607799][ T8847]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  406.607804][ T8847]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  406.607807][ T8847]  ____sys_sendmsg (net/socket.c:2713)
[  406.607809][ T8847]  ? copy_msghdr_from_user (net/socket.c:2650)
[  406.607812][ T8847]  ? sock_write_iter (net/socket.c:1269)
[  406.607813][ T8847]  ? move_addr_to_kernel (net/socket.c:258)
[  406.607820][ T8847]  ___sys_sendmsg (net/socket.c:2767)
[  406.607823][ T8847]  ? copy_msghdr_from_user (net/socket.c:2619)
[  406.607839][ T8847]  __sys_sendmsg (net/socket.c:2799)
[  406.607841][ T8847]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  406.607848][ T8847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.607850][ T8847]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  406.607853][ T8847]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  406.607856][ T8847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  406.607859][ T8847] RIP: 0033:0x7f38909f854e
[  406.607863][ T8847] 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
[  406.607865][ T8847] RSP: 002b:00007fff079f8690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  406.607868][ T8847] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f38909f854e
[  406.607869][ T8847] RDX: 0000000000000000 RSI: 00007fff079f8740 RDI: 0000000000000005
[  406.607870][ T8847] RBP: 00007fff079f86a0 R08: 0000000000000000 R09: 0000000000000000
[  406.607871][ T8847] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91115a
[  406.607871][ T8847] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff079f8e10
| [  415.454405][ T8990] softirqs last disabled at (21510): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  415.454408][ T8990] Preemption disabled at:
| [  415.454409][ T8990] vprintk_emit (kernel/printk/printk.c:2471)
| [  415.454417][ T8990] Tainted: [W]=WARN
[  415.454418][ T8990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  415.454419][ T8990] Call Trace:
[  415.454421][ T8990]  <TASK>
[  415.454422][ T8990]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  415.454428][ T8990]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  415.454430][ T8990]  __might_resched.cold (kernel/sched/core.c:9234)
[  415.454434][ T8990]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  415.454439][ T8990]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  415.454443][ T8990]  __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))
[  415.454445][ T8990]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  415.454452][ T8990]  ? 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)
[  415.454454][ T8990]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  415.454458][ T8990]  put_chars (drivers/char/virtio_console.c:1176)
[  415.454461][ T8990]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  415.454468][ T8990]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  415.454476][ T8990]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  415.454479][ T8990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.454484][ T8990]  console_emit_next_record (kernel/printk/printk.c:3183)
[  415.454488][ T8990]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  415.454490][ T8990]  ? 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))
[  415.454493][ T8990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.454496][ T8990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.454500][ T8990]  console_flush_one_record (kernel/printk/printk.c:3268)
[  415.454505][ T8990]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  415.454507][ T8990]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.454512][ T8990]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  415.454516][ T8990]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  415.454517][ T8990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.454519][ T8990]  ? 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)
[  415.454523][ T8990]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  415.454525][ T8990]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  415.454528][ T8990]  vprintk_emit (kernel/printk/printk.c:2479)
[  415.454531][ T8990]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  415.454534][ T8990]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  415.454539][ T8990]  _printk (kernel/printk/printk.c:2504)
[  415.454542][ T8990]  ? snapshot_read.cold (user.c:?)
[  415.454544][ T8990]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  415.454547][ T8990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  415.454550][ T8990]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  415.454552][ T8990]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  415.454556][ T8990]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  415.454559][ T8990]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  415.454561][ T8990]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  415.454564][ T8990]  ? netdev_notice (net/core/dev.c:13194)
[  415.454567][ T8990]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  415.454570][ T8990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  415.454572][ T8990]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  415.454576][ T8990]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  415.454578][ T8990]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  415.454580][ T8990]  ? register_netdev (net/core/dev.c:11618)
[  415.454582][ T8990]  ? 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))
[  415.454587][ T8990]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  415.454590][ T8990]  ? __kernel_text_address (kernel/extable.c:79)
[  415.454592][ T8990]  ? write_profile (profile.c:?)
[  415.454596][ T8990]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  415.454602][ T8990]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  415.454606][ T8990]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  415.454608][ T8990]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  415.454609][ T8990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  415.454611][ T8990]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  415.454615][ T8990]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  415.454617][ T8990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  415.454618][ T8990]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  415.454621][ T8990]  ? kasan_save_stack (mm/kasan/common.c:58)
[  415.454623][ T8990]  ? kasan_save_stack (mm/kasan/common.c:57)
[  415.454624][ T8990]  ? kasan_save_track (mm/kasan/common.c:78)
[  415.454625][ T8990]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  415.454628][ T8990]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.454630][ T8990]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  415.454633][ T8990]  ? ___sys_sendmsg (net/socket.c:2758)
[  415.454642][ T8990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  415.454644][ T8990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  415.454647][ T8990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.454649][ T8990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.454651][ T8990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.454652][ T8990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.454653][ T8990]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  415.454656][ T8990]  ? __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)
[  415.454657][ T8990]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  415.454659][ T8990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  415.454663][ T8990]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  415.454664][ T8990]  ? nla_get_range_signed (lib/nlattr.c:270)
[  415.454669][ T8990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.454672][ T8990]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  415.454677][ T8990]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  415.454683][ T8990]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  415.454685][ T8990]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.454690][ T8990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  415.454692][ T8990]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  415.454694][ T8990]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  415.454696][ T8990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  415.454700][ T8990]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  415.454702][ T8990]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  415.454705][ T8990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  415.454706][ T8990]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.454711][ T8990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  415.454713][ T8990]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  415.454717][ T8990]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  415.454720][ T8990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  415.454723][ T8990]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  415.454730][ T8990]  ? 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))
[  415.454732][ T8990]  ? 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))
[  415.454737][ T8990]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  415.454741][ T8990]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  415.454744][ T8990]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  415.454748][ T8990]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  415.454753][ T8990]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  415.454757][ T8990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  415.454758][ T8990]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  415.454764][ T8990]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  415.454767][ T8990]  ____sys_sendmsg (net/socket.c:2713)
[  415.454769][ T8990]  ? copy_msghdr_from_user (net/socket.c:2650)
[  415.454772][ T8990]  ? sock_write_iter (net/socket.c:1269)
[  415.454773][ T8990]  ? move_addr_to_kernel (net/socket.c:258)
[  415.454781][ T8990]  ___sys_sendmsg (net/socket.c:2767)
[  415.454784][ T8990]  ? copy_msghdr_from_user (net/socket.c:2619)
[  415.454805][ T8990]  __sys_sendmsg (net/socket.c:2799)
[  415.454808][ T8990]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  415.454814][ T8990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.454818][ T8990]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  415.454820][ T8990]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  415.454823][ T8990]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  415.454826][ T8990] RIP: 0033:0x7f366c07754e
[  415.454830][ T8990] 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
[  415.454831][ T8990] RSP: 002b:00007ffc262762c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  415.454834][ T8990] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f366c07754e
[  415.454836][ T8990] RDX: 0000000000000000 RSI: 00007ffc26276370 RDI: 0000000000000005
[  415.454837][ T8990] RBP: 00007ffc262762d0 R08: 0000000000000000 R09: 0000000000000000
[  415.454838][ T8990] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911163
[  415.454838][ T8990] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc26276a40
| [  424.156594][ T9133] softirqs last disabled at (18918): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  424.156597][ T9133] Preemption disabled at:
| [  424.156597][ T9133] vprintk_emit (kernel/printk/printk.c:2471)
| [  424.156605][ T9133] Tainted: [W]=WARN
[  424.156606][ T9133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  424.156608][ T9133] Call Trace:
[  424.156609][ T9133]  <TASK>
[  424.156611][ T9133]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  424.156617][ T9133]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  424.156618][ T9133]  __might_resched.cold (kernel/sched/core.c:9234)
[  424.156622][ T9133]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  424.156627][ T9133]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  424.156631][ T9133]  __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))
[  424.156633][ T9133]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  424.156639][ T9133]  ? 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)
[  424.156642][ T9133]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  424.156646][ T9133]  put_chars (drivers/char/virtio_console.c:1176)
[  424.156648][ T9133]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  424.156654][ T9133]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  424.156662][ T9133]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  424.156665][ T9133]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.156674][ T9133]  console_emit_next_record (kernel/printk/printk.c:3183)
[  424.156678][ T9133]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  424.156680][ T9133]  ? 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))
[  424.156683][ T9133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.156685][ T9133]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.156689][ T9133]  console_flush_one_record (kernel/printk/printk.c:3268)
[  424.156693][ T9133]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  424.156695][ T9133]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.156700][ T9133]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  424.156703][ T9133]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  424.156705][ T9133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.156707][ T9133]  ? 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)
[  424.156710][ T9133]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  424.156712][ T9133]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  424.156715][ T9133]  vprintk_emit (kernel/printk/printk.c:2479)
[  424.156718][ T9133]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  424.156720][ T9133]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  424.156726][ T9133]  _printk (kernel/printk/printk.c:2504)
[  424.156729][ T9133]  ? snapshot_read.cold (user.c:?)
[  424.156731][ T9133]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  424.156733][ T9133]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  424.156736][ T9133]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  424.156738][ T9133]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  424.156742][ T9133]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  424.156745][ T9133]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  424.156747][ T9133]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  424.156750][ T9133]  ? netdev_notice (net/core/dev.c:13194)
[  424.156753][ T9133]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  424.156756][ T9133]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  424.156758][ T9133]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  424.156762][ T9133]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  424.156764][ T9133]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  424.156766][ T9133]  ? register_netdev (net/core/dev.c:11618)
[  424.156767][ T9133]  ? 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))
[  424.156773][ T9133]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  424.156775][ T9133]  ? __kernel_text_address (kernel/extable.c:79)
[  424.156778][ T9133]  ? write_profile (profile.c:?)
[  424.156782][ T9133]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  424.156787][ T9133]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  424.156791][ T9133]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  424.156793][ T9133]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  424.156797][ T9133]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  424.156799][ T9133]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  424.156802][ T9133]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  424.156804][ T9133]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  424.156806][ T9133]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  424.156808][ T9133]  ? kasan_save_stack (mm/kasan/common.c:58)
[  424.156810][ T9133]  ? kasan_save_stack (mm/kasan/common.c:57)
[  424.156811][ T9133]  ? kasan_save_track (mm/kasan/common.c:78)
[  424.156812][ T9133]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  424.156814][ T9133]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.156816][ T9133]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  424.156819][ T9133]  ? ___sys_sendmsg (net/socket.c:2758)
[  424.156823][ T9133]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  424.156825][ T9133]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  424.156827][ T9133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.156829][ T9133]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.156831][ T9133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.156832][ T9133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.156833][ T9133]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  424.156836][ T9133]  ? __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)
[  424.156837][ T9133]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  424.156839][ T9133]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  424.156842][ T9133]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  424.156843][ T9133]  ? nla_get_range_signed (lib/nlattr.c:270)
[  424.156848][ T9133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.156850][ T9133]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  424.156855][ T9133]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  424.156860][ T9133]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  424.156862][ T9133]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.156866][ T9133]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  424.156868][ T9133]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  424.156870][ T9133]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  424.156872][ T9133]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  424.156875][ T9133]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  424.156877][ T9133]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  424.156881][ T9133]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  424.156882][ T9133]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.156886][ T9133]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  424.156888][ T9133]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  424.156891][ T9133]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  424.156894][ T9133]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  424.156897][ T9133]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  424.156903][ T9133]  ? 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))
[  424.156905][ T9133]  ? 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))
[  424.156910][ T9133]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  424.156914][ T9133]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  424.156916][ T9133]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  424.156920][ T9133]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  424.156924][ T9133]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  424.156928][ T9133]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  424.156930][ T9133]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  424.156935][ T9133]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  424.156937][ T9133]  ____sys_sendmsg (net/socket.c:2713)
[  424.156940][ T9133]  ? copy_msghdr_from_user (net/socket.c:2650)
[  424.156942][ T9133]  ? sock_write_iter (net/socket.c:1269)
[  424.156943][ T9133]  ? move_addr_to_kernel (net/socket.c:258)
[  424.156951][ T9133]  ___sys_sendmsg (net/socket.c:2767)
[  424.156953][ T9133]  ? copy_msghdr_from_user (net/socket.c:2619)
[  424.156969][ T9133]  __sys_sendmsg (net/socket.c:2799)
[  424.156971][ T9133]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  424.156977][ T9133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.156980][ T9133]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  424.156983][ T9133]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  424.156986][ T9133]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  424.156988][ T9133] RIP: 0033:0x7f9a37be854e
[  424.156992][ T9133] 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
[  424.156993][ T9133] RSP: 002b:00007ffe161bf4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  424.156996][ T9133] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9a37be854e
[  424.156997][ T9133] RDX: 0000000000000000 RSI: 00007ffe161bf550 RDI: 0000000000000005
[  424.156998][ T9133] RBP: 00007ffe161bf4b0 R08: 0000000000000000 R09: 0000000000000000
[  424.156999][ T9133] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91116c
[  424.157000][ T9133] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe161bfc20
| [  432.818467][ T9276] softirqs last disabled at (24044): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  432.818469][ T9276] Preemption disabled at:
| [  432.818470][ T9276] vprintk_emit (kernel/printk/printk.c:2471)
| [  432.818478][ T9276] Tainted: [W]=WARN
[  432.818479][ T9276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  432.818480][ T9276] Call Trace:
[  432.818482][ T9276]  <TASK>
[  432.818483][ T9276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  432.818489][ T9276]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  432.818490][ T9276]  __might_resched.cold (kernel/sched/core.c:9234)
[  432.818495][ T9276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  432.818499][ T9276]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  432.818503][ T9276]  __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))
[  432.818505][ T9276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  432.818511][ T9276]  ? 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)
[  432.818514][ T9276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  432.818518][ T9276]  put_chars (drivers/char/virtio_console.c:1176)
[  432.818520][ T9276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  432.818526][ T9276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  432.818533][ T9276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  432.818536][ T9276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.818541][ T9276]  console_emit_next_record (kernel/printk/printk.c:3183)
[  432.818545][ T9276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  432.818547][ T9276]  ? 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))
[  432.818550][ T9276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.818552][ T9276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.818556][ T9276]  console_flush_one_record (kernel/printk/printk.c:3268)
[  432.818560][ T9276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  432.818562][ T9276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  432.818567][ T9276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  432.818570][ T9276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  432.818572][ T9276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.818573][ T9276]  ? 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)
[  432.818577][ T9276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  432.818579][ T9276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  432.818581][ T9276]  vprintk_emit (kernel/printk/printk.c:2479)
[  432.818584][ T9276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  432.818587][ T9276]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  432.818592][ T9276]  _printk (kernel/printk/printk.c:2504)
[  432.818596][ T9276]  ? snapshot_read.cold (user.c:?)
[  432.818598][ T9276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  432.818600][ T9276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  432.818602][ T9276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  432.818605][ T9276]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  432.818608][ T9276]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  432.818611][ T9276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  432.818613][ T9276]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  432.818616][ T9276]  ? netdev_notice (net/core/dev.c:13194)
[  432.818618][ T9276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  432.818621][ T9276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  432.818624][ T9276]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  432.818627][ T9276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  432.818629][ T9276]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  432.818631][ T9276]  ? register_netdev (net/core/dev.c:11618)
[  432.818633][ T9276]  ? 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))
[  432.818638][ T9276]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  432.818640][ T9276]  ? __kernel_text_address (kernel/extable.c:79)
[  432.818643][ T9276]  ? write_profile (profile.c:?)
[  432.818647][ T9276]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  432.818652][ T9276]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  432.818656][ T9276]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  432.818658][ T9276]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  432.818659][ T9276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  432.818661][ T9276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  432.818664][ T9276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  432.818666][ T9276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  432.818668][ T9276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  432.818670][ T9276]  ? kasan_save_stack (mm/kasan/common.c:58)
[  432.818672][ T9276]  ? kasan_save_stack (mm/kasan/common.c:57)
[  432.818673][ T9276]  ? kasan_save_track (mm/kasan/common.c:78)
[  432.818674][ T9276]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  432.818676][ T9276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  432.818678][ T9276]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  432.818681][ T9276]  ? ___sys_sendmsg (net/socket.c:2758)
[  432.818685][ T9276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  432.818687][ T9276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  432.818689][ T9276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.818691][ T9276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.818693][ T9276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.818694][ T9276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.818695][ T9276]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  432.818697][ T9276]  ? __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)
[  432.818703][ T9276]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  432.818705][ T9276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  432.818708][ T9276]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  432.818709][ T9276]  ? nla_get_range_signed (lib/nlattr.c:270)
[  432.818714][ T9276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.818717][ T9276]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  432.818722][ T9276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  432.818727][ T9276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  432.818728][ T9276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  432.818733][ T9276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  432.818735][ T9276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  432.818736][ T9276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  432.818738][ T9276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  432.818742][ T9276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  432.818744][ T9276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  432.818747][ T9276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  432.818748][ T9276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  432.818752][ T9276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  432.818754][ T9276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  432.818757][ T9276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  432.818761][ T9276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  432.818763][ T9276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  432.818770][ T9276]  ? 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))
[  432.818771][ T9276]  ? 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))
[  432.818776][ T9276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  432.818780][ T9276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  432.818782][ T9276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  432.818786][ T9276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  432.818790][ T9276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  432.818797][ T9276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  432.818798][ T9276]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  432.818804][ T9276]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  432.818806][ T9276]  ____sys_sendmsg (net/socket.c:2713)
[  432.818809][ T9276]  ? copy_msghdr_from_user (net/socket.c:2650)
[  432.818811][ T9276]  ? sock_write_iter (net/socket.c:1269)
[  432.818812][ T9276]  ? move_addr_to_kernel (net/socket.c:258)
[  432.818819][ T9276]  ___sys_sendmsg (net/socket.c:2767)
[  432.818822][ T9276]  ? copy_msghdr_from_user (net/socket.c:2619)
[  432.818837][ T9276]  __sys_sendmsg (net/socket.c:2799)
[  432.818840][ T9276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  432.818846][ T9276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.818849][ T9276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  432.818852][ T9276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  432.818855][ T9276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  432.818857][ T9276] RIP: 0033:0x7f086250f54e
[  432.818861][ T9276] 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
[  432.818862][ T9276] RSP: 002b:00007ffc98e5b500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  432.818865][ T9276] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f086250f54e
[  432.818867][ T9276] RDX: 0000000000000000 RSI: 00007ffc98e5b5b0 RDI: 0000000000000005
[  432.818867][ T9276] RBP: 00007ffc98e5b510 R08: 0000000000000000 R09: 0000000000000000
[  432.818868][ T9276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911175
[  432.818869][ T9276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc98e5bc80
| [  441.644450][ T9420] softirqs last disabled at (17578): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  441.644453][ T9420] Preemption disabled at:
| [  441.644453][ T9420] vprintk_emit (kernel/printk/printk.c:2471)
| [  441.644461][ T9420] Tainted: [W]=WARN
[  441.644462][ T9420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  441.644464][ T9420] Call Trace:
[  441.644465][ T9420]  <TASK>
[  441.644467][ T9420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  441.644472][ T9420]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  441.644474][ T9420]  __might_resched.cold (kernel/sched/core.c:9234)
[  441.644478][ T9420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  441.644483][ T9420]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  441.644487][ T9420]  __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))
[  441.644489][ T9420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.644495][ T9420]  ? 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)
[  441.644498][ T9420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.644502][ T9420]  put_chars (drivers/char/virtio_console.c:1176)
[  441.644504][ T9420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  441.644510][ T9420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  441.644518][ T9420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  441.644521][ T9420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.644525][ T9420]  console_emit_next_record (kernel/printk/printk.c:3183)
[  441.644529][ T9420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  441.644531][ T9420]  ? 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))
[  441.644534][ T9420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.644537][ T9420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.644541][ T9420]  console_flush_one_record (kernel/printk/printk.c:3268)
[  441.644545][ T9420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  441.644547][ T9420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.644552][ T9420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  441.644555][ T9420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  441.644557][ T9420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.644559][ T9420]  ? 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)
[  441.644562][ T9420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  441.644564][ T9420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  441.644567][ T9420]  vprintk_emit (kernel/printk/printk.c:2479)
[  441.644570][ T9420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  441.644572][ T9420]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  441.644578][ T9420]  _printk (kernel/printk/printk.c:2504)
[  441.644581][ T9420]  ? snapshot_read.cold (user.c:?)
[  441.644583][ T9420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  441.644585][ T9420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  441.644588][ T9420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  441.644590][ T9420]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  441.644594][ T9420]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  441.644596][ T9420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.644598][ T9420]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  441.644601][ T9420]  ? netdev_notice (net/core/dev.c:13194)
[  441.644604][ T9420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.644607][ T9420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.644609][ T9420]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  441.644613][ T9420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.644615][ T9420]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  441.644617][ T9420]  ? register_netdev (net/core/dev.c:11618)
[  441.644618][ T9420]  ? 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))
[  441.644623][ T9420]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  441.644626][ T9420]  ? __kernel_text_address (kernel/extable.c:79)
[  441.644628][ T9420]  ? write_profile (profile.c:?)
[  441.644632][ T9420]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  441.644638][ T9420]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.644641][ T9420]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  441.644643][ T9420]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  441.644644][ T9420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  441.644646][ T9420]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  441.644650][ T9420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  441.644652][ T9420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  441.644653][ T9420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  441.644656][ T9420]  ? kasan_save_stack (mm/kasan/common.c:58)
[  441.644657][ T9420]  ? kasan_save_stack (mm/kasan/common.c:57)
[  441.644659][ T9420]  ? kasan_save_track (mm/kasan/common.c:78)
[  441.644660][ T9420]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  441.644662][ T9420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.644664][ T9420]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  441.644667][ T9420]  ? ___sys_sendmsg (net/socket.c:2758)
[  441.644671][ T9420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.644673][ T9420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  441.644675][ T9420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.644677][ T9420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.644679][ T9420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.644680][ T9420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.644682][ T9420]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  441.644684][ T9420]  ? __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)
[  441.644685][ T9420]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  441.644687][ T9420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  441.644690][ T9420]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  441.644691][ T9420]  ? nla_get_range_signed (lib/nlattr.c:270)
[  441.644696][ T9420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.644698][ T9420]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  441.644703][ T9420]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  441.644709][ T9420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.644711][ T9420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.644715][ T9420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.644717][ T9420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.644719][ T9420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.644721][ T9420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.644724][ T9420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.644726][ T9420]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  441.644729][ T9420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  441.644736][ T9420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.644741][ T9420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.644742][ T9420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.644746][ T9420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  441.644749][ T9420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  441.644752][ T9420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  441.644758][ T9420]  ? 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))
[  441.644760][ T9420]  ? 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))
[  441.644765][ T9420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  441.644769][ T9420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  441.644771][ T9420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.644775][ T9420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  441.644779][ T9420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  441.644783][ T9420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.644785][ T9420]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  441.644790][ T9420]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  441.644793][ T9420]  ____sys_sendmsg (net/socket.c:2713)
[  441.644798][ T9420]  ? copy_msghdr_from_user (net/socket.c:2650)
[  441.644800][ T9420]  ? sock_write_iter (net/socket.c:1269)
[  441.644801][ T9420]  ? move_addr_to_kernel (net/socket.c:258)
[  441.644809][ T9420]  ___sys_sendmsg (net/socket.c:2767)
[  441.644812][ T9420]  ? copy_msghdr_from_user (net/socket.c:2619)
[  441.644827][ T9420]  __sys_sendmsg (net/socket.c:2799)
[  441.644830][ T9420]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  441.644836][ T9420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.644839][ T9420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  441.644842][ T9420]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  441.644845][ T9420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  441.644847][ T9420] RIP: 0033:0x7fa008e4e54e
[  441.644851][ T9420] 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
[  441.644853][ T9420] RSP: 002b:00007fffb57ef450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  441.644855][ T9420] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa008e4e54e
[  441.644857][ T9420] RDX: 0000000000000000 RSI: 00007fffb57ef500 RDI: 0000000000000005
[  441.644857][ T9420] RBP: 00007fffb57ef460 R08: 0000000000000000 R09: 0000000000000000
[  441.644858][ T9420] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91117d
[  441.644859][ T9420] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb57efbd0
| [  450.254534][ T9563] softirqs last disabled at (20708): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  450.254537][ T9563] Preemption disabled at:
| [  450.254537][ T9563] vprintk_emit (kernel/printk/printk.c:2471)
| [  450.254545][ T9563] Tainted: [W]=WARN
[  450.254546][ T9563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  450.254548][ T9563] Call Trace:
[  450.254549][ T9563]  <TASK>
[  450.254551][ T9563]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  450.254556][ T9563]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  450.254558][ T9563]  __might_resched.cold (kernel/sched/core.c:9234)
[  450.254562][ T9563]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  450.254567][ T9563]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  450.254571][ T9563]  __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))
[  450.254573][ T9563]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  450.254579][ T9563]  ? 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)
[  450.254582][ T9563]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  450.254585][ T9563]  put_chars (drivers/char/virtio_console.c:1176)
[  450.254588][ T9563]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  450.254594][ T9563]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  450.254601][ T9563]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  450.254604][ T9563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.254609][ T9563]  console_emit_next_record (kernel/printk/printk.c:3183)
[  450.254613][ T9563]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  450.254615][ T9563]  ? 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))
[  450.254618][ T9563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.254620][ T9563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.254624][ T9563]  console_flush_one_record (kernel/printk/printk.c:3268)
[  450.254628][ T9563]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  450.254630][ T9563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  450.254635][ T9563]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  450.254638][ T9563]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  450.254640][ T9563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.254642][ T9563]  ? 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)
[  450.254645][ T9563]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  450.254647][ T9563]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  450.254650][ T9563]  vprintk_emit (kernel/printk/printk.c:2479)
[  450.254653][ T9563]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  450.254655][ T9563]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  450.254660][ T9563]  _printk (kernel/printk/printk.c:2504)
[  450.254664][ T9563]  ? snapshot_read.cold (user.c:?)
[  450.254666][ T9563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  450.254668][ T9563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  450.254671][ T9563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  450.254673][ T9563]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  450.254677][ T9563]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  450.254679][ T9563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  450.254681][ T9563]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  450.254684][ T9563]  ? netdev_notice (net/core/dev.c:13194)
[  450.254687][ T9563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  450.254690][ T9563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  450.254692][ T9563]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  450.254696][ T9563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  450.254698][ T9563]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  450.254700][ T9563]  ? register_netdev (net/core/dev.c:11618)
[  450.254701][ T9563]  ? 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))
[  450.254706][ T9563]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  450.254709][ T9563]  ? __kernel_text_address (kernel/extable.c:79)
[  450.254712][ T9563]  ? write_profile (profile.c:?)
[  450.254716][ T9563]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  450.254722][ T9563]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  450.254725][ T9563]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  450.254727][ T9563]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  450.254728][ T9563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  450.254730][ T9563]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  450.254733][ T9563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  450.254735][ T9563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  450.254737][ T9563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  450.254739][ T9563]  ? kasan_save_stack (mm/kasan/common.c:58)
[  450.254741][ T9563]  ? kasan_save_stack (mm/kasan/common.c:57)
[  450.254742][ T9563]  ? kasan_save_track (mm/kasan/common.c:78)
[  450.254744][ T9563]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  450.254746][ T9563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  450.254748][ T9563]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  450.254751][ T9563]  ? ___sys_sendmsg (net/socket.c:2758)
[  450.254755][ T9563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  450.254757][ T9563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  450.254759][ T9563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.254765][ T9563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.254767][ T9563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.254768][ T9563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.254770][ T9563]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  450.254772][ T9563]  ? __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)
[  450.254773][ T9563]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  450.254775][ T9563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  450.254778][ T9563]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  450.254780][ T9563]  ? nla_get_range_signed (lib/nlattr.c:270)
[  450.254785][ T9563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.254787][ T9563]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  450.254792][ T9563]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  450.254800][ T9563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.254802][ T9563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  450.254806][ T9563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  450.254808][ T9563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  450.254810][ T9563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.254812][ T9563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  450.254816][ T9563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.254818][ T9563]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  450.254821][ T9563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  450.254822][ T9563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  450.254826][ T9563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  450.254828][ T9563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  450.254831][ T9563]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  450.254834][ T9563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  450.254837][ T9563]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  450.254844][ T9563]  ? 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))
[  450.254846][ T9563]  ? 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))
[  450.254850][ T9563]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  450.254854][ T9563]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  450.254857][ T9563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  450.254861][ T9563]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  450.254865][ T9563]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  450.254869][ T9563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  450.254870][ T9563]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  450.254876][ T9563]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  450.254878][ T9563]  ____sys_sendmsg (net/socket.c:2713)
[  450.254881][ T9563]  ? copy_msghdr_from_user (net/socket.c:2650)
[  450.254883][ T9563]  ? sock_write_iter (net/socket.c:1269)
[  450.254884][ T9563]  ? move_addr_to_kernel (net/socket.c:258)
[  450.254892][ T9563]  ___sys_sendmsg (net/socket.c:2767)
[  450.254894][ T9563]  ? copy_msghdr_from_user (net/socket.c:2619)
[  450.254910][ T9563]  __sys_sendmsg (net/socket.c:2799)
[  450.254912][ T9563]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  450.254918][ T9563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.254921][ T9563]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  450.254925][ T9563]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  450.254927][ T9563]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  450.254930][ T9563] RIP: 0033:0x7f0e7875554e
[  450.254933][ T9563] 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
[  450.254935][ T9563] RSP: 002b:00007ffd35b2bf10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  450.254938][ T9563] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0e7875554e
[  450.254939][ T9563] RDX: 0000000000000000 RSI: 00007ffd35b2bfc0 RDI: 0000000000000005
[  450.254940][ T9563] RBP: 00007ffd35b2bf20 R08: 0000000000000000 R09: 0000000000000000
[  450.254941][ T9563] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911186
[  450.254942][ T9563] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd35b2c690
| [  458.871333][ T9705] softirqs last disabled at (16982): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  458.871336][ T9705] Preemption disabled at:
| [  458.871336][ T9705] vprintk_emit (kernel/printk/printk.c:2471)
| [  458.871344][ T9705] Tainted: [W]=WARN
[  458.871345][ T9705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  458.871347][ T9705] Call Trace:
[  458.871348][ T9705]  <TASK>
[  458.871350][ T9705]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  458.871355][ T9705]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  458.871357][ T9705]  __might_resched.cold (kernel/sched/core.c:9234)
[  458.871361][ T9705]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  458.871366][ T9705]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  458.871370][ T9705]  __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))
[  458.871372][ T9705]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  458.871378][ T9705]  ? 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)
[  458.871381][ T9705]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  458.871384][ T9705]  put_chars (drivers/char/virtio_console.c:1176)
[  458.871387][ T9705]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  458.871393][ T9705]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  458.871400][ T9705]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  458.871403][ T9705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.871408][ T9705]  console_emit_next_record (kernel/printk/printk.c:3183)
[  458.871412][ T9705]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  458.871413][ T9705]  ? 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))
[  458.871417][ T9705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.871419][ T9705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.871423][ T9705]  console_flush_one_record (kernel/printk/printk.c:3268)
[  458.871427][ T9705]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  458.871429][ T9705]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  458.871434][ T9705]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  458.871437][ T9705]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  458.871439][ T9705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.871440][ T9705]  ? 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)
[  458.871444][ T9705]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  458.871446][ T9705]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  458.871448][ T9705]  vprintk_emit (kernel/printk/printk.c:2479)
[  458.871451][ T9705]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  458.871454][ T9705]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  458.871459][ T9705]  _printk (kernel/printk/printk.c:2504)
[  458.871462][ T9705]  ? snapshot_read.cold (user.c:?)
[  458.871464][ T9705]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  458.871466][ T9705]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  458.871469][ T9705]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  458.871471][ T9705]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  458.871475][ T9705]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  458.871477][ T9705]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  458.871480][ T9705]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  458.871482][ T9705]  ? netdev_notice (net/core/dev.c:13194)
[  458.871485][ T9705]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  458.871488][ T9705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  458.871490][ T9705]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  458.871494][ T9705]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  458.871496][ T9705]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  458.871498][ T9705]  ? register_netdev (net/core/dev.c:11618)
[  458.871499][ T9705]  ? 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))
[  458.871504][ T9705]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  458.871507][ T9705]  ? __kernel_text_address (kernel/extable.c:79)
[  458.871509][ T9705]  ? write_profile (profile.c:?)
[  458.871513][ T9705]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  458.871519][ T9705]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  458.871522][ T9705]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  458.871524][ T9705]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  458.871525][ T9705]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  458.871527][ T9705]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  458.871531][ T9705]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  458.871532][ T9705]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  458.871534][ T9705]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  458.871536][ T9705]  ? kasan_save_stack (mm/kasan/common.c:58)
[  458.871538][ T9705]  ? kasan_save_stack (mm/kasan/common.c:57)
[  458.871539][ T9705]  ? kasan_save_track (mm/kasan/common.c:78)
[  458.871540][ T9705]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  458.871543][ T9705]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  458.871544][ T9705]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  458.871548][ T9705]  ? ___sys_sendmsg (net/socket.c:2758)
[  458.871551][ T9705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  458.871553][ T9705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  458.871556][ T9705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.871557][ T9705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.871559][ T9705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.871560][ T9705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.871562][ T9705]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  458.871564][ T9705]  ? __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)
[  458.871565][ T9705]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  458.871567][ T9705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  458.871570][ T9705]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  458.871571][ T9705]  ? nla_get_range_signed (lib/nlattr.c:270)
[  458.871576][ T9705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.871578][ T9705]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  458.871583][ T9705]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  458.871588][ T9705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  458.871590][ T9705]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  458.871594][ T9705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  458.871596][ T9705]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  458.871598][ T9705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  458.871600][ T9705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  458.871603][ T9705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  458.871605][ T9705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  458.871608][ T9705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  458.871609][ T9705]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  458.871614][ T9705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  458.871616][ T9705]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  458.871619][ T9705]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  458.871622][ T9705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  458.871625][ T9705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  458.871631][ T9705]  ? 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))
[  458.871633][ T9705]  ? 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))
[  458.871637][ T9705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  458.871641][ T9705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  458.871644][ T9705]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  458.871648][ T9705]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  458.871652][ T9705]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  458.871655][ T9705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  458.871657][ T9705]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  458.871662][ T9705]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  458.871665][ T9705]  ____sys_sendmsg (net/socket.c:2713)
[  458.871667][ T9705]  ? copy_msghdr_from_user (net/socket.c:2650)
[  458.871669][ T9705]  ? sock_write_iter (net/socket.c:1269)
[  458.871670][ T9705]  ? move_addr_to_kernel (net/socket.c:258)
[  458.871678][ T9705]  ___sys_sendmsg (net/socket.c:2767)
[  458.871680][ T9705]  ? copy_msghdr_from_user (net/socket.c:2619)
[  458.871696][ T9705]  __sys_sendmsg (net/socket.c:2799)
[  458.871698][ T9705]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  458.871704][ T9705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.871707][ T9705]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  458.871710][ T9705]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  458.871713][ T9705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  458.871715][ T9705] RIP: 0033:0x7f08ba00054e
[  458.871719][ T9705] 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
[  458.871721][ T9705] RSP: 002b:00007ffefc323660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  458.871723][ T9705] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f08ba00054e
[  458.871725][ T9705] RDX: 0000000000000000 RSI: 00007ffefc323710 RDI: 0000000000000005
[  458.871725][ T9705] RBP: 00007ffefc323670 R08: 0000000000000000 R09: 0000000000000000
[  458.871726][ T9705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91118f
[  458.871727][ T9705] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefc323de0
| [  466.700788][ T9822] softirqs last disabled at (23633): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  466.700790][ T9822] Preemption disabled at:
| [  466.700791][ T9822] 0x0
| [  466.700804][ T9822] Tainted: [W]=WARN
[  466.700805][ T9822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.700807][ T9822] Call Trace:
[  466.700808][ T9822]  <TASK>
[  466.700809][ T9822]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.700816][ T9822]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.700826][ T9822]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.700830][ T9822]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  466.700835][ T9822]  __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))
[  466.700836][ T9822]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.700843][ T9822]  ? 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)
[  466.700846][ T9822]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.700850][ T9822]  put_chars (drivers/char/virtio_console.c:1176)
[  466.700852][ T9822]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.700853][ T9822]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.700857][ T9822]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.700862][ T9822]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.700870][ T9822]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.700872][ T9822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.700874][ T9822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.700878][ T9822]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.700882][ T9822]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.700884][ T9822]  ? 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))
[  466.700887][ T9822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.700888][ T9822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.700892][ T9822]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.700896][ T9822]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.700898][ T9822]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.700903][ T9822]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.700906][ T9822]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.700908][ T9822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.700910][ T9822]  ? 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)
[  466.700913][ T9822]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.700915][ T9822]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.700918][ T9822]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.700921][ T9822]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.700923][ T9822]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.700927][ T9822]  _printk (kernel/printk/printk.c:2504)
[  466.700931][ T9822]  ? snapshot_read.cold (user.c:?)
[  466.700933][ T9822]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  466.700936][ T9822]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  466.700940][ T9822]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  466.700942][ T9822]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  466.700946][ T9822]  ? exit_notify (kernel/exit.c:780)
[  466.700947][ T9822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.700950][ T9822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.700953][ T9822]  do_group_exit (kernel/exit.c:1151)
[  466.700956][ T9822]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  466.700958][ T9822]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  466.700960][ T9822]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  466.700964][ T9822]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  466.700967][ T9822]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  466.700969][ T9822] RIP: 0033:0x7f70babdb1b8
[  466.700971][ T9822] Code: Unable to access opcode bytes at 0x7f70babdb18e.

Code starting with the faulting instruction
===========================================
[  466.700972][ T9822] RSP: 002b:00007ffde5676f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  466.700975][ T9822] RAX: ffffffffffffffda RBX: 00007f70bad0bf88 RCX: 00007f70babdb1b8
[  466.700976][ T9822] RDX: 00007f70ba925fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[  466.700977][ T9822] RBP: 00007ffde5676f90 R08: 0000000000000000 R09: 0000000000000050
[  466.700978][ T9822] R10: 00007ffde5676d50 R11: 0000000000000246 R12: 0000000000000001
[  466.700979][ T9822] R13: 0000000000000000 R14: 00007f70bad0a680 R15: 00007f70bad0bfa0
| [  476.176343][ T9990] softirqs last disabled at (21840): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  476.176346][ T9990] Preemption disabled at:
| [  476.176346][ T9990] vprintk_emit (kernel/printk/printk.c:2471)
| [  476.176354][ T9990] Tainted: [W]=WARN
[  476.176355][ T9990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  476.176356][ T9990] Call Trace:
[  476.176358][ T9990]  <TASK>
[  476.176360][ T9990]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  476.176365][ T9990]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  476.176367][ T9990]  __might_resched.cold (kernel/sched/core.c:9234)
[  476.176372][ T9990]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  476.176376][ T9990]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  476.176380][ T9990]  __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))
[  476.176382][ T9990]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  476.176388][ T9990]  ? 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)
[  476.176391][ T9990]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  476.176395][ T9990]  put_chars (drivers/char/virtio_console.c:1176)
[  476.176397][ T9990]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  476.176403][ T9990]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  476.176410][ T9990]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  476.176413][ T9990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.176418][ T9990]  console_emit_next_record (kernel/printk/printk.c:3183)
[  476.176422][ T9990]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  476.176424][ T9990]  ? 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))
[  476.176427][ T9990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.176429][ T9990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.176433][ T9990]  console_flush_one_record (kernel/printk/printk.c:3268)
[  476.176437][ T9990]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  476.176439][ T9990]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  476.176444][ T9990]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  476.176447][ T9990]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  476.176449][ T9990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.176450][ T9990]  ? 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)
[  476.176454][ T9990]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  476.176455][ T9990]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  476.176458][ T9990]  vprintk_emit (kernel/printk/printk.c:2479)
[  476.176461][ T9990]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  476.176464][ T9990]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  476.176469][ T9990]  _printk (kernel/printk/printk.c:2504)
[  476.176472][ T9990]  ? snapshot_read.cold (user.c:?)
[  476.176474][ T9990]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  476.176476][ T9990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  476.176479][ T9990]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  476.176481][ T9990]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  476.176485][ T9990]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  476.176487][ T9990]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  476.176490][ T9990]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  476.176492][ T9990]  ? netdev_notice (net/core/dev.c:13194)
[  476.176495][ T9990]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  476.176498][ T9990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  476.176500][ T9990]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  476.176504][ T9990]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  476.176506][ T9990]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  476.176508][ T9990]  ? register_netdev (net/core/dev.c:11618)
[  476.176509][ T9990]  ? 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))
[  476.176515][ T9990]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  476.176517][ T9990]  ? __kernel_text_address (kernel/extable.c:79)
[  476.176519][ T9990]  ? write_profile (profile.c:?)
[  476.176523][ T9990]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  476.176529][ T9990]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  476.176532][ T9990]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  476.176534][ T9990]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  476.176536][ T9990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  476.176537][ T9990]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  476.176540][ T9990]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  476.176542][ T9990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  476.176544][ T9990]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  476.176546][ T9990]  ? kasan_save_stack (mm/kasan/common.c:58)
[  476.176548][ T9990]  ? kasan_save_stack (mm/kasan/common.c:57)
[  476.176549][ T9990]  ? kasan_save_track (mm/kasan/common.c:78)
[  476.176550][ T9990]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  476.176553][ T9990]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  476.176554][ T9990]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  476.176557][ T9990]  ? ___sys_sendmsg (net/socket.c:2758)
[  476.176561][ T9990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  476.176563][ T9990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  476.176566][ T9990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.176567][ T9990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.176569][ T9990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.176570][ T9990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.176571][ T9990]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  476.176574][ T9990]  ? __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)
[  476.176575][ T9990]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  476.176577][ T9990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  476.176580][ T9990]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  476.176581][ T9990]  ? nla_get_range_signed (lib/nlattr.c:270)
[  476.176586][ T9990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.176588][ T9990]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  476.176593][ T9990]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  476.176598][ T9990]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  476.176600][ T9990]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  476.176604][ T9990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  476.176606][ T9990]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  476.176608][ T9990]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  476.176610][ T9990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  476.176613][ T9990]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  476.176615][ T9990]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  476.176618][ T9990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  476.176619][ T9990]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  476.176624][ T9990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  476.176626][ T9990]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  476.176629][ T9990]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  476.176632][ T9990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  476.176635][ T9990]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  476.176641][ T9990]  ? 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))
[  476.176643][ T9990]  ? 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))
[  476.176647][ T9990]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  476.176651][ T9990]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  476.176653][ T9990]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  476.176657][ T9990]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  476.176661][ T9990]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  476.176665][ T9990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  476.176666][ T9990]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  476.176672][ T9990]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  476.176674][ T9990]  ____sys_sendmsg (net/socket.c:2713)
[  476.176677][ T9990]  ? copy_msghdr_from_user (net/socket.c:2650)
[  476.176679][ T9990]  ? sock_write_iter (net/socket.c:1269)
[  476.176680][ T9990]  ? move_addr_to_kernel (net/socket.c:258)
[  476.176687][ T9990]  ___sys_sendmsg (net/socket.c:2767)
[  476.176690][ T9990]  ? copy_msghdr_from_user (net/socket.c:2619)
[  476.176705][ T9990]  __sys_sendmsg (net/socket.c:2799)
[  476.176708][ T9990]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  476.176714][ T9990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.176717][ T9990]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  476.176720][ T9990]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  476.176722][ T9990]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  476.176724][ T9990] RIP: 0033:0x7f440ad4954e
[  476.176728][ T9990] 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
[  476.176729][ T9990] RSP: 002b:00007ffc02a1acb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  476.176732][ T9990] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f440ad4954e
[  476.176733][ T9990] RDX: 0000000000000000 RSI: 00007ffc02a1ad60 RDI: 0000000000000005
[  476.176734][ T9990] RBP: 00007ffc02a1acc0 R08: 0000000000000000 R09: 0000000000000000
[  476.176735][ T9990] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111a0
[  476.176736][ T9990] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc02a1b430
| [  484.721614][T10133] softirqs last disabled at (24916): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  484.721617][T10133] Preemption disabled at:
| [  484.721617][T10133] vprintk_emit (kernel/printk/printk.c:2471)
| [  484.721625][T10133] Tainted: [W]=WARN
[  484.721626][T10133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  484.721628][T10133] Call Trace:
[  484.721630][T10133]  <TASK>
[  484.721631][T10133]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  484.721636][T10133]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  484.721638][T10133]  __might_resched.cold (kernel/sched/core.c:9234)
[  484.721642][T10133]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  484.721646][T10133]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  484.721651][T10133]  __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))
[  484.721652][T10133]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.721659][T10133]  ? 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)
[  484.721661][T10133]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.721665][T10133]  put_chars (drivers/char/virtio_console.c:1176)
[  484.721667][T10133]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  484.721674][T10133]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  484.721681][T10133]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  484.721684][T10133]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.721689][T10133]  console_emit_next_record (kernel/printk/printk.c:3183)
[  484.721693][T10133]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  484.721695][T10133]  ? 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))
[  484.721698][T10133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.721701][T10133]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.721704][T10133]  console_flush_one_record (kernel/printk/printk.c:3268)
[  484.721708][T10133]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  484.721710][T10133]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.721715][T10133]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  484.721718][T10133]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  484.721720][T10133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.721722][T10133]  ? 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)
[  484.721725][T10133]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  484.721727][T10133]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  484.721730][T10133]  vprintk_emit (kernel/printk/printk.c:2479)
[  484.721733][T10133]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  484.721735][T10133]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  484.721740][T10133]  _printk (kernel/printk/printk.c:2504)
[  484.721744][T10133]  ? snapshot_read.cold (user.c:?)
[  484.721745][T10133]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.721748][T10133]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.721750][T10133]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.721752][T10133]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  484.721756][T10133]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  484.721759][T10133]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.721761][T10133]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  484.721764][T10133]  ? netdev_notice (net/core/dev.c:13194)
[  484.721767][T10133]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.721770][T10133]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.721772][T10133]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  484.721775][T10133]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.721777][T10133]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  484.721779][T10133]  ? register_netdev (net/core/dev.c:11618)
[  484.721781][T10133]  ? 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))
[  484.721786][T10133]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  484.721788][T10133]  ? __kernel_text_address (kernel/extable.c:79)
[  484.721791][T10133]  ? write_profile (profile.c:?)
[  484.721798][T10133]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  484.721803][T10133]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.721807][T10133]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  484.721809][T10133]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  484.721810][T10133]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  484.721812][T10133]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  484.721815][T10133]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.721817][T10133]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.721819][T10133]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.721821][T10133]  ? kasan_save_stack (mm/kasan/common.c:58)
[  484.721823][T10133]  ? kasan_save_stack (mm/kasan/common.c:57)
[  484.721824][T10133]  ? kasan_save_track (mm/kasan/common.c:78)
[  484.721825][T10133]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  484.721827][T10133]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.721829][T10133]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  484.721832][T10133]  ? ___sys_sendmsg (net/socket.c:2758)
[  484.721836][T10133]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.721838][T10133]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  484.721841][T10133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.721842][T10133]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.721844][T10133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.721845][T10133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.721847][T10133]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  484.721849][T10133]  ? __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)
[  484.721850][T10133]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  484.721852][T10133]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  484.721855][T10133]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  484.721857][T10133]  ? nla_get_range_signed (lib/nlattr.c:270)
[  484.721861][T10133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.721863][T10133]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  484.721868][T10133]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  484.721874][T10133]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.721875][T10133]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.721880][T10133]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.721882][T10133]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.721887][T10133]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.721889][T10133]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.721892][T10133]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.721895][T10133]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  484.721898][T10133]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  484.721899][T10133]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.721903][T10133]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.721905][T10133]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.721909][T10133]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  484.721912][T10133]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  484.721914][T10133]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  484.721921][T10133]  ? 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))
[  484.721923][T10133]  ? 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))
[  484.721927][T10133]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  484.721931][T10133]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  484.721933][T10133]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.721938][T10133]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  484.721941][T10133]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  484.721945][T10133]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.721947][T10133]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  484.721952][T10133]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  484.721954][T10133]  ____sys_sendmsg (net/socket.c:2713)
[  484.721957][T10133]  ? copy_msghdr_from_user (net/socket.c:2650)
[  484.721959][T10133]  ? sock_write_iter (net/socket.c:1269)
[  484.721960][T10133]  ? move_addr_to_kernel (net/socket.c:258)
[  484.721968][T10133]  ___sys_sendmsg (net/socket.c:2767)
[  484.721970][T10133]  ? copy_msghdr_from_user (net/socket.c:2619)
[  484.721986][T10133]  __sys_sendmsg (net/socket.c:2799)
[  484.721988][T10133]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  484.721994][T10133]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.721997][T10133]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  484.722000][T10133]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  484.722003][T10133]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  484.722005][T10133] RIP: 0033:0x7f88ee8a854e
[  484.722009][T10133] 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
[  484.722011][T10133] RSP: 002b:00007ffc4a8ef330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  484.722013][T10133] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f88ee8a854e
[  484.722015][T10133] RDX: 0000000000000000 RSI: 00007ffc4a8ef3e0 RDI: 0000000000000005
[  484.722016][T10133] RBP: 00007ffc4a8ef340 R08: 0000000000000000 R09: 0000000000000000
[  484.722016][T10133] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111a9
[  484.722017][T10133] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4a8efab0
| [  493.354367][T10276] softirqs last disabled at (17190): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  493.354369][T10276] Preemption disabled at:
| [  493.354370][T10276] vprintk_emit (kernel/printk/printk.c:2471)
| [  493.354378][T10276] Tainted: [W]=WARN
[  493.354379][T10276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  493.354380][T10276] Call Trace:
[  493.354382][T10276]  <TASK>
[  493.354383][T10276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  493.354389][T10276]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  493.354390][T10276]  __might_resched.cold (kernel/sched/core.c:9234)
[  493.354395][T10276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  493.354399][T10276]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  493.354403][T10276]  __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))
[  493.354405][T10276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.354411][T10276]  ? 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)
[  493.354414][T10276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.354418][T10276]  put_chars (drivers/char/virtio_console.c:1176)
[  493.354420][T10276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  493.354426][T10276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  493.354434][T10276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  493.354437][T10276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.354442][T10276]  console_emit_next_record (kernel/printk/printk.c:3183)
[  493.354446][T10276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  493.354448][T10276]  ? 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))
[  493.354451][T10276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.354453][T10276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.354457][T10276]  console_flush_one_record (kernel/printk/printk.c:3268)
[  493.354462][T10276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  493.354463][T10276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.354469][T10276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  493.354472][T10276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  493.354473][T10276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.354475][T10276]  ? 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)
[  493.354479][T10276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  493.354480][T10276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  493.354483][T10276]  vprintk_emit (kernel/printk/printk.c:2479)
[  493.354486][T10276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  493.354489][T10276]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  493.354494][T10276]  _printk (kernel/printk/printk.c:2504)
[  493.354497][T10276]  ? snapshot_read.cold (user.c:?)
[  493.354499][T10276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  493.354501][T10276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  493.354504][T10276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  493.354506][T10276]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  493.354510][T10276]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  493.354512][T10276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.354514][T10276]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  493.354517][T10276]  ? netdev_notice (net/core/dev.c:13194)
[  493.354520][T10276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  493.354523][T10276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  493.354526][T10276]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  493.354529][T10276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.354531][T10276]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  493.354533][T10276]  ? register_netdev (net/core/dev.c:11618)
[  493.354534][T10276]  ? 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))
[  493.354540][T10276]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  493.354542][T10276]  ? __kernel_text_address (kernel/extable.c:79)
[  493.354545][T10276]  ? write_profile (profile.c:?)
[  493.354549][T10276]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  493.354554][T10276]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.354558][T10276]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  493.354560][T10276]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  493.354561][T10276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  493.354563][T10276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  493.354566][T10276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  493.354568][T10276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  493.354569][T10276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  493.354572][T10276]  ? kasan_save_stack (mm/kasan/common.c:58)
[  493.354574][T10276]  ? kasan_save_stack (mm/kasan/common.c:57)
[  493.354575][T10276]  ? kasan_save_track (mm/kasan/common.c:78)
[  493.354576][T10276]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  493.354578][T10276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.354580][T10276]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  493.354583][T10276]  ? ___sys_sendmsg (net/socket.c:2758)
[  493.354587][T10276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  493.354589][T10276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  493.354592][T10276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.354593][T10276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.354595][T10276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.354596][T10276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.354598][T10276]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  493.354600][T10276]  ? __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)
[  493.354601][T10276]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  493.354603][T10276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  493.354606][T10276]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  493.354607][T10276]  ? nla_get_range_signed (lib/nlattr.c:270)
[  493.354612][T10276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.354614][T10276]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  493.354619][T10276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  493.354625][T10276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.354627][T10276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.354631][T10276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  493.354633][T10276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  493.354635][T10276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.354637][T10276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  493.354641][T10276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.354643][T10276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  493.354646][T10276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  493.354647][T10276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.354651][T10276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  493.354653][T10276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  493.354657][T10276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  493.354660][T10276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  493.354663][T10276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  493.354669][T10276]  ? 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))
[  493.354671][T10276]  ? 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))
[  493.354676][T10276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  493.354679][T10276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  493.354682][T10276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  493.354686][T10276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  493.354690][T10276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  493.354694][T10276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  493.354696][T10276]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  493.354701][T10276]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  493.354704][T10276]  ____sys_sendmsg (net/socket.c:2713)
[  493.354706][T10276]  ? copy_msghdr_from_user (net/socket.c:2650)
[  493.354708][T10276]  ? sock_write_iter (net/socket.c:1269)
[  493.354710][T10276]  ? move_addr_to_kernel (net/socket.c:258)
[  493.354717][T10276]  ___sys_sendmsg (net/socket.c:2767)
[  493.354720][T10276]  ? copy_msghdr_from_user (net/socket.c:2619)
[  493.354735][T10276]  __sys_sendmsg (net/socket.c:2799)
[  493.354738][T10276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  493.354744][T10276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.354747][T10276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  493.354750][T10276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  493.354753][T10276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  493.354755][T10276] RIP: 0033:0x7f597aaf954e
[  493.354758][T10276] 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
[  493.354760][T10276] RSP: 002b:00007fffcafd7520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  493.354763][T10276] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f597aaf954e
[  493.354764][T10276] RDX: 0000000000000000 RSI: 00007fffcafd75d0 RDI: 0000000000000005
[  493.354765][T10276] RBP: 00007fffcafd7530 R08: 0000000000000000 R09: 0000000000000000
[  493.354766][T10276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111b1
[  493.354767][T10276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcafd7ca0
| [  501.906240][T10420] softirqs last disabled at (19348): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  501.906243][T10420] Preemption disabled at:
| [  501.906243][T10420] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.906251][T10420] Tainted: [W]=WARN
[  501.906252][T10420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.906253][T10420] Call Trace:
[  501.906255][T10420]  <TASK>
[  501.906257][T10420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.906262][T10420]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.906264][T10420]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.906268][T10420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.906272][T10420]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.906276][T10420]  __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))
[  501.906278][T10420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.906284][T10420]  ? 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)
[  501.906287][T10420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.906290][T10420]  put_chars (drivers/char/virtio_console.c:1176)
[  501.906293][T10420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.906299][T10420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.906306][T10420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.906309][T10420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.906313][T10420]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.906317][T10420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.906319][T10420]  ? 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))
[  501.906322][T10420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.906325][T10420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.906329][T10420]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.906333][T10420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.906335][T10420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.906340][T10420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.906343][T10420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.906344][T10420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.906346][T10420]  ? 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)
[  501.906350][T10420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.906351][T10420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.906354][T10420]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.906357][T10420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.906360][T10420]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  501.906365][T10420]  _printk (kernel/printk/printk.c:2504)
[  501.906368][T10420]  ? snapshot_read.cold (user.c:?)
[  501.906370][T10420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.906372][T10420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.906375][T10420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.906377][T10420]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  501.906380][T10420]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  501.906383][T10420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.906385][T10420]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  501.906388][T10420]  ? netdev_notice (net/core/dev.c:13194)
[  501.906391][T10420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.906394][T10420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.906396][T10420]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  501.906400][T10420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.906402][T10420]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  501.906404][T10420]  ? register_netdev (net/core/dev.c:11618)
[  501.906405][T10420]  ? 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))
[  501.906410][T10420]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  501.906412][T10420]  ? __kernel_text_address (kernel/extable.c:79)
[  501.906415][T10420]  ? write_profile (profile.c:?)
[  501.906419][T10420]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  501.906424][T10420]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.906428][T10420]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  501.906430][T10420]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  501.906431][T10420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  501.906433][T10420]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  501.906436][T10420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.906438][T10420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.906440][T10420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.906442][T10420]  ? kasan_save_stack (mm/kasan/common.c:58)
[  501.906444][T10420]  ? kasan_save_stack (mm/kasan/common.c:57)
[  501.906445][T10420]  ? kasan_save_track (mm/kasan/common.c:78)
[  501.906446][T10420]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  501.906448][T10420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.906450][T10420]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  501.906453][T10420]  ? ___sys_sendmsg (net/socket.c:2758)
[  501.906457][T10420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.906459][T10420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.906461][T10420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.906463][T10420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.906465][T10420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.906466][T10420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.906467][T10420]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  501.906469][T10420]  ? __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)
[  501.906471][T10420]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  501.906472][T10420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.906476][T10420]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  501.906477][T10420]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.906482][T10420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.906484][T10420]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  501.906489][T10420]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.906494][T10420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.906496][T10420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.906500][T10420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.906502][T10420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.906503][T10420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.906505][T10420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.906509][T10420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.906511][T10420]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  501.906514][T10420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.906515][T10420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.906519][T10420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.906521][T10420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.906525][T10420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.906528][T10420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.906530][T10420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.906536][T10420]  ? 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))
[  501.906539][T10420]  ? 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))
[  501.906543][T10420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.906547][T10420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.906549][T10420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.906553][T10420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.906557][T10420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.906561][T10420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.906562][T10420]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  501.906567][T10420]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.906570][T10420]  ____sys_sendmsg (net/socket.c:2713)
[  501.906572][T10420]  ? copy_msghdr_from_user (net/socket.c:2650)
[  501.906575][T10420]  ? sock_write_iter (net/socket.c:1269)
[  501.906576][T10420]  ? move_addr_to_kernel (net/socket.c:258)
[  501.906583][T10420]  ___sys_sendmsg (net/socket.c:2767)
[  501.906586][T10420]  ? copy_msghdr_from_user (net/socket.c:2619)
[  501.906602][T10420]  __sys_sendmsg (net/socket.c:2799)
[  501.906604][T10420]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  501.906610][T10420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.906613][T10420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.906616][T10420]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.906619][T10420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.906621][T10420] RIP: 0033:0x7f370285354e
[  501.906624][T10420] 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
[  501.906626][T10420] RSP: 002b:00007ffcdcfa6bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  501.906628][T10420] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f370285354e
[  501.906630][T10420] RDX: 0000000000000000 RSI: 00007ffcdcfa6c80 RDI: 0000000000000005
[  501.906631][T10420] RBP: 00007ffcdcfa6be0 R08: 0000000000000000 R09: 0000000000000000
[  501.906632][T10420] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ba
[  501.906632][T10420] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdcfa7350
| [  510.485441][T10563] softirqs last disabled at (18298): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  510.485444][T10563] Preemption disabled at:
| [  510.485444][T10563] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.485452][T10563] Tainted: [W]=WARN
[  510.485453][T10563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.485455][T10563] Call Trace:
[  510.485456][T10563]  <TASK>
[  510.485458][T10563]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.485463][T10563]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.485465][T10563]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.485469][T10563]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.485474][T10563]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  510.485478][T10563]  __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))
[  510.485480][T10563]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.485486][T10563]  ? 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)
[  510.485488][T10563]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.485492][T10563]  put_chars (drivers/char/virtio_console.c:1176)
[  510.485495][T10563]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.485501][T10563]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.485508][T10563]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.485511][T10563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.485515][T10563]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.485519][T10563]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.485521][T10563]  ? 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))
[  510.485524][T10563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.485527][T10563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.485531][T10563]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.485535][T10563]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.485537][T10563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.485542][T10563]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.485545][T10563]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.485546][T10563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.485548][T10563]  ? 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)
[  510.485552][T10563]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.485553][T10563]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.485556][T10563]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.485559][T10563]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.485562][T10563]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  510.485566][T10563]  _printk (kernel/printk/printk.c:2504)
[  510.485570][T10563]  ? snapshot_read.cold (user.c:?)
[  510.485572][T10563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.485575][T10563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.485577][T10563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.485579][T10563]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  510.485583][T10563]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  510.485586][T10563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.485588][T10563]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  510.485591][T10563]  ? netdev_notice (net/core/dev.c:13194)
[  510.485593][T10563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.485596][T10563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.485599][T10563]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  510.485602][T10563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.485604][T10563]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  510.485606][T10563]  ? register_netdev (net/core/dev.c:11618)
[  510.485608][T10563]  ? 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))
[  510.485613][T10563]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  510.485615][T10563]  ? __kernel_text_address (kernel/extable.c:79)
[  510.485618][T10563]  ? write_profile (profile.c:?)
[  510.485622][T10563]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  510.485627][T10563]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.485631][T10563]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  510.485633][T10563]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  510.485634][T10563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  510.485636][T10563]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  510.485639][T10563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.485641][T10563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.485643][T10563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.485645][T10563]  ? kasan_save_stack (mm/kasan/common.c:58)
[  510.485647][T10563]  ? kasan_save_stack (mm/kasan/common.c:57)
[  510.485648][T10563]  ? kasan_save_track (mm/kasan/common.c:78)
[  510.485649][T10563]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  510.485651][T10563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.485653][T10563]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  510.485656][T10563]  ? ___sys_sendmsg (net/socket.c:2758)
[  510.485660][T10563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.485662][T10563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.485665][T10563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.485666][T10563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.485668][T10563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.485669][T10563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.485670][T10563]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  510.485672][T10563]  ? __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)
[  510.485674][T10563]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  510.485676][T10563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.485679][T10563]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  510.485680][T10563]  ? nla_get_range_signed (lib/nlattr.c:270)
[  510.485685][T10563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.485687][T10563]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  510.485692][T10563]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  510.485697][T10563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.485699][T10563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.485703][T10563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.485705][T10563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.485707][T10563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.485709][T10563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.485713][T10563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.485714][T10563]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  510.485717][T10563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.485719][T10563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.485723][T10563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.485725][T10563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.485728][T10563]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  510.485731][T10563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.485734][T10563]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  510.485740][T10563]  ? 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))
[  510.485742][T10563]  ? 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))
[  510.485747][T10563]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  510.485751][T10563]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  510.485753][T10563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.485757][T10563]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  510.485761][T10563]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  510.485765][T10563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.485766][T10563]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  510.485771][T10563]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  510.485774][T10563]  ____sys_sendmsg (net/socket.c:2713)
[  510.485776][T10563]  ? copy_msghdr_from_user (net/socket.c:2650)
[  510.485778][T10563]  ? sock_write_iter (net/socket.c:1269)
[  510.485780][T10563]  ? move_addr_to_kernel (net/socket.c:258)
[  510.485787][T10563]  ___sys_sendmsg (net/socket.c:2767)
[  510.485789][T10563]  ? copy_msghdr_from_user (net/socket.c:2619)
[  510.485808][T10563]  __sys_sendmsg (net/socket.c:2799)
[  510.485811][T10563]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  510.485817][T10563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.485820][T10563]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  510.485822][T10563]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  510.485825][T10563]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.485827][T10563] RIP: 0033:0x7fd208ce454e
[  510.485831][T10563] 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
[  510.485833][T10563] RSP: 002b:00007ffd21cf6230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  510.485835][T10563] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd208ce454e
[  510.485837][T10563] RDX: 0000000000000000 RSI: 00007ffd21cf62e0 RDI: 0000000000000005
[  510.485838][T10563] RBP: 00007ffd21cf6240 R08: 0000000000000000 R09: 0000000000000000
[  510.485838][T10563] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111c2
[  510.485839][T10563] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd21cf69b0
| [  519.125162][T10706] softirqs last disabled at (24068): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  519.125164][T10706] Preemption disabled at:
| [  519.125165][T10706] vprintk_emit (kernel/printk/printk.c:2471)
| [  519.125173][T10706] Tainted: [W]=WARN
[  519.125174][T10706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  519.125175][T10706] Call Trace:
[  519.125177][T10706]  <TASK>
[  519.125178][T10706]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  519.125184][T10706]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  519.125186][T10706]  __might_resched.cold (kernel/sched/core.c:9234)
[  519.125190][T10706]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  519.125194][T10706]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  519.125198][T10706]  __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))
[  519.125200][T10706]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.125206][T10706]  ? 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)
[  519.125209][T10706]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.125213][T10706]  put_chars (drivers/char/virtio_console.c:1176)
[  519.125215][T10706]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  519.125222][T10706]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  519.125229][T10706]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  519.125232][T10706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.125237][T10706]  console_emit_next_record (kernel/printk/printk.c:3183)
[  519.125241][T10706]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  519.125243][T10706]  ? 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))
[  519.125246][T10706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.125249][T10706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.125252][T10706]  console_flush_one_record (kernel/printk/printk.c:3268)
[  519.125257][T10706]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  519.125259][T10706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.125264][T10706]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  519.125267][T10706]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  519.125269][T10706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.125270][T10706]  ? 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)
[  519.125274][T10706]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  519.125276][T10706]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  519.125278][T10706]  vprintk_emit (kernel/printk/printk.c:2479)
[  519.125281][T10706]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  519.125284][T10706]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  519.125289][T10706]  _printk (kernel/printk/printk.c:2504)
[  519.125293][T10706]  ? snapshot_read.cold (user.c:?)
[  519.125294][T10706]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.125297][T10706]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.125299][T10706]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.125301][T10706]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  519.125305][T10706]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  519.125308][T10706]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.125310][T10706]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  519.125313][T10706]  ? netdev_notice (net/core/dev.c:13194)
[  519.125315][T10706]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.125318][T10706]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.125321][T10706]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  519.125324][T10706]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.125326][T10706]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  519.125328][T10706]  ? register_netdev (net/core/dev.c:11618)
[  519.125330][T10706]  ? 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))
[  519.125335][T10706]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  519.125338][T10706]  ? __kernel_text_address (kernel/extable.c:79)
[  519.125340][T10706]  ? write_profile (profile.c:?)
[  519.125344][T10706]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  519.125350][T10706]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.125353][T10706]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  519.125355][T10706]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  519.125356][T10706]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  519.125358][T10706]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  519.125361][T10706]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.125363][T10706]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.125365][T10706]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.125367][T10706]  ? kasan_save_stack (mm/kasan/common.c:58)
[  519.125369][T10706]  ? kasan_save_stack (mm/kasan/common.c:57)
[  519.125370][T10706]  ? kasan_save_track (mm/kasan/common.c:78)
[  519.125372][T10706]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  519.125374][T10706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.125376][T10706]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  519.125379][T10706]  ? ___sys_sendmsg (net/socket.c:2758)
[  519.125383][T10706]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.125385][T10706]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.125387][T10706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.125389][T10706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.125390][T10706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.125392][T10706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.125393][T10706]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  519.125395][T10706]  ? __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)
[  519.125397][T10706]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  519.125398][T10706]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.125402][T10706]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  519.125403][T10706]  ? nla_get_range_signed (lib/nlattr.c:270)
[  519.125408][T10706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.125410][T10706]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  519.125415][T10706]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  519.125420][T10706]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.125422][T10706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.125427][T10706]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.125429][T10706]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.125430][T10706]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.125432][T10706]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.125436][T10706]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.125438][T10706]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  519.125441][T10706]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.125442][T10706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.125447][T10706]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.125449][T10706]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.125452][T10706]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  519.125455][T10706]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.125458][T10706]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  519.125464][T10706]  ? 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))
[  519.125466][T10706]  ? 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))
[  519.125471][T10706]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  519.125475][T10706]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  519.125477][T10706]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.125481][T10706]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  519.125485][T10706]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  519.125489][T10706]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.125491][T10706]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  519.125496][T10706]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  519.125499][T10706]  ____sys_sendmsg (net/socket.c:2713)
[  519.125501][T10706]  ? copy_msghdr_from_user (net/socket.c:2650)
[  519.125503][T10706]  ? sock_write_iter (net/socket.c:1269)
[  519.125505][T10706]  ? move_addr_to_kernel (net/socket.c:258)
[  519.125512][T10706]  ___sys_sendmsg (net/socket.c:2767)
[  519.125518][T10706]  ? copy_msghdr_from_user (net/socket.c:2619)
[  519.125533][T10706]  __sys_sendmsg (net/socket.c:2799)
[  519.125536][T10706]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  519.125542][T10706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.125545][T10706]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  519.125548][T10706]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  519.125551][T10706]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  519.125553][T10706] RIP: 0033:0x7fd1afabb54e
[  519.125556][T10706] 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
[  519.125558][T10706] RSP: 002b:00007fffee78f100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  519.125561][T10706] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd1afabb54e
[  519.125562][T10706] RDX: 0000000000000000 RSI: 00007fffee78f1b0 RDI: 0000000000000005
[  519.125563][T10706] RBP: 00007fffee78f110 R08: 0000000000000000 R09: 0000000000000000
[  519.125564][T10706] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111cb
[  519.125564][T10706] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffee78f880
| [  527.734842][T10849] softirqs last disabled at (22780): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  527.734844][T10849] Preemption disabled at:
| [  527.734845][T10849] vprintk_emit (kernel/printk/printk.c:2471)
| [  527.734853][T10849] Tainted: [W]=WARN
[  527.734854][T10849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  527.734855][T10849] Call Trace:
[  527.734857][T10849]  <TASK>
[  527.734858][T10849]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  527.734864][T10849]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  527.734866][T10849]  __might_resched.cold (kernel/sched/core.c:9234)
[  527.734870][T10849]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  527.734874][T10849]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  527.734878][T10849]  __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))
[  527.734880][T10849]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  527.734886][T10849]  ? 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)
[  527.734889][T10849]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  527.734893][T10849]  put_chars (drivers/char/virtio_console.c:1176)
[  527.734895][T10849]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  527.734901][T10849]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  527.734908][T10849]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  527.734911][T10849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  527.734915][T10849]  console_emit_next_record (kernel/printk/printk.c:3183)
[  527.734919][T10849]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  527.734921][T10849]  ? 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))
[  527.734924][T10849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.734927][T10849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  527.734931][T10849]  console_flush_one_record (kernel/printk/printk.c:3268)
[  527.734935][T10849]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  527.734937][T10849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  527.734942][T10849]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  527.734945][T10849]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  527.734947][T10849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.734948][T10849]  ? 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)
[  527.734952][T10849]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  527.734954][T10849]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  527.734956][T10849]  vprintk_emit (kernel/printk/printk.c:2479)
[  527.734959][T10849]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  527.734962][T10849]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  527.734966][T10849]  _printk (kernel/printk/printk.c:2504)
[  527.734970][T10849]  ? snapshot_read.cold (user.c:?)
[  527.734971][T10849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  527.734974][T10849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  527.734977][T10849]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  527.734979][T10849]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  527.734983][T10849]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  527.734985][T10849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  527.734987][T10849]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  527.734990][T10849]  ? netdev_notice (net/core/dev.c:13194)
[  527.734993][T10849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  527.734996][T10849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  527.734998][T10849]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  527.735002][T10849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  527.735004][T10849]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  527.735006][T10849]  ? register_netdev (net/core/dev.c:11618)
[  527.735007][T10849]  ? 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))
[  527.735012][T10849]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  527.735014][T10849]  ? __kernel_text_address (kernel/extable.c:79)
[  527.735017][T10849]  ? write_profile (profile.c:?)
[  527.735021][T10849]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  527.735026][T10849]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  527.735029][T10849]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  527.735031][T10849]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  527.735033][T10849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  527.735034][T10849]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  527.735041][T10849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  527.735043][T10849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  527.735045][T10849]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  527.735047][T10849]  ? kasan_save_stack (mm/kasan/common.c:58)
[  527.735049][T10849]  ? kasan_save_stack (mm/kasan/common.c:57)
[  527.735050][T10849]  ? kasan_save_track (mm/kasan/common.c:78)
[  527.735051][T10849]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  527.735054][T10849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  527.735056][T10849]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  527.735059][T10849]  ? ___sys_sendmsg (net/socket.c:2758)
[  527.735062][T10849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  527.735064][T10849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  527.735067][T10849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.735069][T10849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  527.735070][T10849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.735071][T10849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.735073][T10849]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  527.735075][T10849]  ? __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)
[  527.735076][T10849]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  527.735078][T10849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  527.735081][T10849]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  527.735082][T10849]  ? nla_get_range_signed (lib/nlattr.c:270)
[  527.735087][T10849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.735089][T10849]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  527.735094][T10849]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  527.735099][T10849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  527.735101][T10849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  527.735106][T10849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  527.735108][T10849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  527.735109][T10849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  527.735111][T10849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  527.735115][T10849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  527.735117][T10849]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  527.735120][T10849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  527.735121][T10849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  527.735125][T10849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  527.735127][T10849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  527.735130][T10849]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  527.735134][T10849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  527.735136][T10849]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  527.735142][T10849]  ? 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))
[  527.735145][T10849]  ? 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))
[  527.735149][T10849]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  527.735153][T10849]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  527.735155][T10849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  527.735159][T10849]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  527.735163][T10849]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  527.735167][T10849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  527.735168][T10849]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  527.735173][T10849]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  527.735176][T10849]  ____sys_sendmsg (net/socket.c:2713)
[  527.735178][T10849]  ? copy_msghdr_from_user (net/socket.c:2650)
[  527.735181][T10849]  ? sock_write_iter (net/socket.c:1269)
[  527.735182][T10849]  ? move_addr_to_kernel (net/socket.c:258)
[  527.735189][T10849]  ___sys_sendmsg (net/socket.c:2767)
[  527.735192][T10849]  ? copy_msghdr_from_user (net/socket.c:2619)
[  527.735207][T10849]  __sys_sendmsg (net/socket.c:2799)
[  527.735210][T10849]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  527.735216][T10849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.735219][T10849]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  527.735222][T10849]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  527.735225][T10849]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  527.735227][T10849] RIP: 0033:0x7ff955f5354e
[  527.735231][T10849] 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
[  527.735233][T10849] RSP: 002b:00007ffdbcf22730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  527.735235][T10849] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff955f5354e
[  527.735237][T10849] RDX: 0000000000000000 RSI: 00007ffdbcf227e0 RDI: 0000000000000005
[  527.735238][T10849] RBP: 00007ffdbcf22740 R08: 0000000000000000 R09: 0000000000000000
[  527.735239][T10849] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111d4
[  527.735239][T10849] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbcf22eb0
| [  536.364371][T10992] softirqs last disabled at (25490): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  536.364373][T10992] Preemption disabled at:
| [  536.364374][T10992] vprintk_emit (kernel/printk/printk.c:2471)
| [  536.364382][T10992] Tainted: [W]=WARN
[  536.364383][T10992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  536.364384][T10992] Call Trace:
[  536.364386][T10992]  <TASK>
[  536.364387][T10992]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  536.364393][T10992]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  536.364395][T10992]  __might_resched.cold (kernel/sched/core.c:9234)
[  536.364399][T10992]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  536.364403][T10992]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  536.364407][T10992]  __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))
[  536.364409][T10992]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.364415][T10992]  ? 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)
[  536.364418][T10992]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.364421][T10992]  put_chars (drivers/char/virtio_console.c:1176)
[  536.364424][T10992]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  536.364430][T10992]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  536.364437][T10992]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  536.364441][T10992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.364445][T10992]  console_emit_next_record (kernel/printk/printk.c:3183)
[  536.364449][T10992]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  536.364451][T10992]  ? 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))
[  536.364454][T10992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.364457][T10992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.364460][T10992]  console_flush_one_record (kernel/printk/printk.c:3268)
[  536.364465][T10992]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  536.364466][T10992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.364472][T10992]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  536.364474][T10992]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  536.364476][T10992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.364478][T10992]  ? 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)
[  536.364481][T10992]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  536.364483][T10992]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  536.364486][T10992]  vprintk_emit (kernel/printk/printk.c:2479)
[  536.364489][T10992]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  536.364491][T10992]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  536.364496][T10992]  _printk (kernel/printk/printk.c:2504)
[  536.364499][T10992]  ? snapshot_read.cold (user.c:?)
[  536.364501][T10992]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  536.364504][T10992]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  536.364506][T10992]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  536.364509][T10992]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  536.364512][T10992]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  536.364515][T10992]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.364517][T10992]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  536.364520][T10992]  ? netdev_notice (net/core/dev.c:13194)
[  536.364523][T10992]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.364526][T10992]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.364528][T10992]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  536.364532][T10992]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.364534][T10992]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  536.364536][T10992]  ? register_netdev (net/core/dev.c:11618)
[  536.364537][T10992]  ? 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))
[  536.364543][T10992]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  536.364545][T10992]  ? __kernel_text_address (kernel/extable.c:79)
[  536.364548][T10992]  ? write_profile (profile.c:?)
[  536.364552][T10992]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  536.364557][T10992]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.364560][T10992]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  536.364562][T10992]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  536.364564][T10992]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  536.364566][T10992]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  536.364569][T10992]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  536.364571][T10992]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  536.364572][T10992]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  536.364575][T10992]  ? kasan_save_stack (mm/kasan/common.c:58)
[  536.364577][T10992]  ? kasan_save_stack (mm/kasan/common.c:57)
[  536.364578][T10992]  ? kasan_save_track (mm/kasan/common.c:78)
[  536.364579][T10992]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  536.364581][T10992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.364583][T10992]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  536.364586][T10992]  ? ___sys_sendmsg (net/socket.c:2758)
[  536.364590][T10992]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.364592][T10992]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  536.364594][T10992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.364596][T10992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.364598][T10992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.364599][T10992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.364601][T10992]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  536.364603][T10992]  ? __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)
[  536.364604][T10992]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  536.364606][T10992]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  536.364609][T10992]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  536.364610][T10992]  ? nla_get_range_signed (lib/nlattr.c:270)
[  536.364615][T10992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.364617][T10992]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  536.364622][T10992]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  536.364627][T10992]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.364629][T10992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.364633][T10992]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.364635][T10992]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.364637][T10992]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.364639][T10992]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.364643][T10992]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.364644][T10992]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  536.364648][T10992]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  536.364649][T10992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.364653][T10992]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.364655][T10992]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.364658][T10992]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  536.364662][T10992]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  536.364664][T10992]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  536.364671][T10992]  ? 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))
[  536.364673][T10992]  ? 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))
[  536.364677][T10992]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  536.364681][T10992]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  536.364683][T10992]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.364687][T10992]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  536.364691][T10992]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  536.364695][T10992]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.364697][T10992]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  536.364702][T10992]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  536.364704][T10992]  ____sys_sendmsg (net/socket.c:2713)
[  536.364707][T10992]  ? copy_msghdr_from_user (net/socket.c:2650)
[  536.364709][T10992]  ? sock_write_iter (net/socket.c:1269)
[  536.364711][T10992]  ? move_addr_to_kernel (net/socket.c:258)
[  536.364718][T10992]  ___sys_sendmsg (net/socket.c:2767)
[  536.364721][T10992]  ? copy_msghdr_from_user (net/socket.c:2619)
[  536.364736][T10992]  __sys_sendmsg (net/socket.c:2799)
[  536.364739][T10992]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  536.364745][T10992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.364748][T10992]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  536.364750][T10992]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  536.364753][T10992]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  536.364756][T10992] RIP: 0033:0x7efe6073a54e
[  536.364759][T10992] 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
[  536.364761][T10992] RSP: 002b:00007ffe49d80360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  536.364764][T10992] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efe6073a54e
[  536.364765][T10992] RDX: 0000000000000000 RSI: 00007ffe49d80410 RDI: 0000000000000005
[  536.364766][T10992] RBP: 00007ffe49d80370 R08: 0000000000000000 R09: 0000000000000000
[  536.364767][T10992] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111dc
[  536.364767][T10992] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe49d80ae0
| [  545.013454][T11135] softirqs last disabled at (19300): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  545.013457][T11135] Preemption disabled at:
| [  545.013457][T11135] vprintk_emit (kernel/printk/printk.c:2471)
| [  545.013466][T11135] Tainted: [W]=WARN
[  545.013467][T11135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  545.013468][T11135] Call Trace:
[  545.013470][T11135]  <TASK>
[  545.013471][T11135]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  545.013477][T11135]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  545.013479][T11135]  __might_resched.cold (kernel/sched/core.c:9234)
[  545.013484][T11135]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  545.013488][T11135]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  545.013492][T11135]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  545.013494][T11135]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.013501][T11135]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  545.013504][T11135]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.013508][T11135]  put_chars (drivers/char/virtio_console.c:1176)
[  545.013510][T11135]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  545.013517][T11135]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  545.013525][T11135]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  545.013528][T11135]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.013533][T11135]  console_emit_next_record (kernel/printk/printk.c:3183)
[  545.013537][T11135]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  545.013539][T11135]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  545.013542][T11135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.013545][T11135]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.013549][T11135]  console_flush_one_record (kernel/printk/printk.c:3268)
[  545.013554][T11135]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  545.013556][T11135]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.013561][T11135]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  545.013564][T11135]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  545.013566][T11135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.013568][T11135]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  545.013572][T11135]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  545.013574][T11135]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  545.013577][T11135]  vprintk_emit (kernel/printk/printk.c:2479)
[  545.013580][T11135]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  545.013583][T11135]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  545.013588][T11135]  _printk (kernel/printk/printk.c:2504)
[  545.013592][T11135]  ? snapshot_read.cold (user.c:?)
[  545.013593][T11135]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  545.013596][T11135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  545.013599][T11135]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  545.013602][T11135]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  545.013605][T11135]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  545.013608][T11135]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.013611][T11135]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  545.013613][T11135]  ? netdev_notice (net/core/dev.c:13194)
[  545.013616][T11135]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.013620][T11135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.013622][T11135]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  545.013626][T11135]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.013628][T11135]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  545.013630][T11135]  ? register_netdev (net/core/dev.c:11618)
[  545.013632][T11135]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  545.013637][T11135]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  545.013640][T11135]  ? __kernel_text_address (kernel/extable.c:79)
[  545.013643][T11135]  ? write_profile (profile.c:?)
[  545.013647][T11135]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  545.013653][T11135]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.013657][T11135]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  545.013659][T11135]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  545.013660][T11135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  545.013662][T11135]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  545.013665][T11135]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  545.013668][T11135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  545.013669][T11135]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  545.013672][T11135]  ? kasan_save_stack (mm/kasan/common.c:58)
[  545.013674][T11135]  ? kasan_save_stack (mm/kasan/common.c:57)
[  545.013675][T11135]  ? kasan_save_track (mm/kasan/common.c:78)
[  545.013676][T11135]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  545.013679][T11135]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.013681][T11135]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  545.013684][T11135]  ? ___sys_sendmsg (net/socket.c:2758)
[  545.013688][T11135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.013690][T11135]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.013693][T11135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.013695][T11135]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.013696][T11135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.013698][T11135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.013699][T11135]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  545.013702][T11135]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  545.013703][T11135]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  545.013705][T11135]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.013708][T11135]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  545.013710][T11135]  ? nla_get_range_signed (lib/nlattr.c:270)
[  545.013715][T11135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.013717][T11135]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  545.013723][T11135]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.013728][T11135]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.013730][T11135]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.013735][T11135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.013737][T11135]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.013739][T11135]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.013741][T11135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.013745][T11135]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.013747][T11135]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  545.013750][T11135]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.013752][T11135]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.013757][T11135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.013759][T11135]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.013762][T11135]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  545.013766][T11135]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.013769][T11135]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  545.013775][T11135]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  545.013778][T11135]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  545.013782][T11135]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  545.013787][T11135]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  545.013789][T11135]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.013797][T11135]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  545.013801][T11135]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  545.013805][T11135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.013807][T11135]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  545.013812][T11135]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  545.013815][T11135]  ____sys_sendmsg (net/socket.c:2713)
[  545.013818][T11135]  ? copy_msghdr_from_user (net/socket.c:2650)
[  545.013820][T11135]  ? sock_write_iter (net/socket.c:1269)
[  545.013822][T11135]  ? move_addr_to_kernel (net/socket.c:258)
[  545.013829][T11135]  ___sys_sendmsg (net/socket.c:2767)
[  545.013832][T11135]  ? copy_msghdr_from_user (net/socket.c:2619)
[  545.013849][T11135]  __sys_sendmsg (net/socket.c:2799)
[  545.013851][T11135]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  545.013858][T11135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.013861][T11135]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  545.013864][T11135]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  545.013867][T11135]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.013869][T11135] RIP: 0033:0x7fb0f83a454e
[  545.013873][T11135] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  545.013875][T11135] RSP: 002b:00007ffcdc5ec4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  545.013877][T11135] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb0f83a454e
[  545.013879][T11135] RDX: 0000000000000000 RSI: 00007ffcdc5ec570 RDI: 0000000000000005
[  545.013880][T11135] RBP: 00007ffcdc5ec4d0 R08: 0000000000000000 R09: 0000000000000000
[  545.013881][T11135] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111e5
[  545.013881][T11135] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdc5ecc40
| [  553.603267][T11278] softirqs last disabled at (26434): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  553.603270][T11278] Preemption disabled at:
| [  553.603271][T11278] vprintk_emit (kernel/printk/printk.c:2471)
| [  553.603279][T11278] Tainted: [W]=WARN
[  553.603279][T11278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  553.603281][T11278] Call Trace:
[  553.603282][T11278]  <TASK>
[  553.603284][T11278]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  553.603289][T11278]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  553.603291][T11278]  __might_resched.cold (kernel/sched/core.c:9234)
[  553.603296][T11278]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  553.603300][T11278]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  553.603304][T11278]  __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))
[  553.603306][T11278]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.603313][T11278]  ? 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)
[  553.603315][T11278]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.603319][T11278]  put_chars (drivers/char/virtio_console.c:1176)
[  553.603322][T11278]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  553.603328][T11278]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  553.603335][T11278]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  553.603339][T11278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.603343][T11278]  console_emit_next_record (kernel/printk/printk.c:3183)
[  553.603347][T11278]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  553.603349][T11278]  ? 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))
[  553.603352][T11278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.603355][T11278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.603359][T11278]  console_flush_one_record (kernel/printk/printk.c:3268)
[  553.603363][T11278]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  553.603365][T11278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  553.603370][T11278]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  553.603373][T11278]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  553.603375][T11278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.603377][T11278]  ? 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)
[  553.603381][T11278]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  553.603382][T11278]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  553.603385][T11278]  vprintk_emit (kernel/printk/printk.c:2479)
[  553.603388][T11278]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  553.603391][T11278]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  553.603395][T11278]  _printk (kernel/printk/printk.c:2504)
[  553.603399][T11278]  ? snapshot_read.cold (user.c:?)
[  553.603401][T11278]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  553.603403][T11278]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  553.603406][T11278]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  553.603408][T11278]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  553.603412][T11278]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  553.603415][T11278]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.603417][T11278]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  553.603420][T11278]  ? netdev_notice (net/core/dev.c:13194)
[  553.603423][T11278]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  553.603426][T11278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  553.603428][T11278]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  553.603432][T11278]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.603434][T11278]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  553.603436][T11278]  ? register_netdev (net/core/dev.c:11618)
[  553.603437][T11278]  ? 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))
[  553.603443][T11278]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  553.603445][T11278]  ? __kernel_text_address (kernel/extable.c:79)
[  553.603448][T11278]  ? write_profile (profile.c:?)
[  553.603452][T11278]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  553.603458][T11278]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.603461][T11278]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  553.603463][T11278]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  553.603464][T11278]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  553.603466][T11278]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  553.603470][T11278]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  553.603472][T11278]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  553.603473][T11278]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  553.603476][T11278]  ? kasan_save_stack (mm/kasan/common.c:58)
[  553.603478][T11278]  ? kasan_save_stack (mm/kasan/common.c:57)
[  553.603479][T11278]  ? kasan_save_track (mm/kasan/common.c:78)
[  553.603480][T11278]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  553.603483][T11278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  553.603484][T11278]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  553.603488][T11278]  ? ___sys_sendmsg (net/socket.c:2758)
[  553.603492][T11278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  553.603494][T11278]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  553.603496][T11278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.603498][T11278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.603499][T11278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.603501][T11278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.603502][T11278]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  553.603504][T11278]  ? __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)
[  553.603506][T11278]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  553.603507][T11278]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  553.603511][T11278]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  553.603512][T11278]  ? nla_get_range_signed (lib/nlattr.c:270)
[  553.603517][T11278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.603519][T11278]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  553.603524][T11278]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  553.603530][T11278]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.603531][T11278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  553.603536][T11278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  553.603538][T11278]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  553.603540][T11278]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.603542][T11278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  553.603545][T11278]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.603547][T11278]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  553.603551][T11278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.603552][T11278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  553.603556][T11278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  553.603558][T11278]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  553.603562][T11278]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  553.603565][T11278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.603568][T11278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  553.603574][T11278]  ? 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))
[  553.603576][T11278]  ? 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))
[  553.603581][T11278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  553.603585][T11278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  553.603587][T11278]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  553.603592][T11278]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  553.603596][T11278]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  553.603600][T11278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  553.603601][T11278]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  553.603607][T11278]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  553.603610][T11278]  ____sys_sendmsg (net/socket.c:2713)
[  553.603612][T11278]  ? copy_msghdr_from_user (net/socket.c:2650)
[  553.603614][T11278]  ? sock_write_iter (net/socket.c:1269)
[  553.603616][T11278]  ? move_addr_to_kernel (net/socket.c:258)
[  553.603623][T11278]  ___sys_sendmsg (net/socket.c:2767)
[  553.603626][T11278]  ? copy_msghdr_from_user (net/socket.c:2619)
[  553.603642][T11278]  __sys_sendmsg (net/socket.c:2799)
[  553.603645][T11278]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  553.603651][T11278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.603654][T11278]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  553.603657][T11278]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  553.603659][T11278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.603661][T11278] RIP: 0033:0x7f3731c9f54e
[  553.603665][T11278] 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
[  553.603667][T11278] RSP: 002b:00007ffed62a1c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  553.603669][T11278] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3731c9f54e
[  553.603671][T11278] RDX: 0000000000000000 RSI: 00007ffed62a1d30 RDI: 0000000000000005
[  553.603672][T11278] RBP: 00007ffed62a1c90 R08: 0000000000000000 R09: 0000000000000000
[  553.603672][T11278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ed
[  553.603673][T11278] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed62a2400
| [  562.197584][T11421] softirqs last disabled at (29198): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  562.197587][T11421] Preemption disabled at:
| [  562.197588][T11421] vprintk_emit (kernel/printk/printk.c:2471)
| [  562.197596][T11421] Tainted: [W]=WARN
[  562.197597][T11421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  562.197598][T11421] Call Trace:
[  562.197600][T11421]  <TASK>
[  562.197601][T11421]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  562.197607][T11421]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  562.197609][T11421]  __might_resched.cold (kernel/sched/core.c:9234)
[  562.197613][T11421]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  562.197618][T11421]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  562.197622][T11421]  __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))
[  562.197624][T11421]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.197630][T11421]  ? 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)
[  562.197633][T11421]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.197637][T11421]  put_chars (drivers/char/virtio_console.c:1176)
[  562.197640][T11421]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  562.197646][T11421]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  562.197654][T11421]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  562.197657][T11421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.197662][T11421]  console_emit_next_record (kernel/printk/printk.c:3183)
[  562.197666][T11421]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  562.197668][T11421]  ? 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))
[  562.197671][T11421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.197674][T11421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.197678][T11421]  console_flush_one_record (kernel/printk/printk.c:3268)
[  562.197683][T11421]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  562.197685][T11421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.197690][T11421]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  562.197693][T11421]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  562.197695][T11421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.197697][T11421]  ? 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)
[  562.197701][T11421]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  562.197702][T11421]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  562.197705][T11421]  vprintk_emit (kernel/printk/printk.c:2479)
[  562.197708][T11421]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  562.197711][T11421]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  562.197716][T11421]  _printk (kernel/printk/printk.c:2504)
[  562.197720][T11421]  ? snapshot_read.cold (user.c:?)
[  562.197721][T11421]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  562.197724][T11421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  562.197727][T11421]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  562.197729][T11421]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  562.197733][T11421]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  562.197736][T11421]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  562.197738][T11421]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  562.197741][T11421]  ? netdev_notice (net/core/dev.c:13194)
[  562.197744][T11421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  562.197747][T11421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  562.197750][T11421]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  562.197753][T11421]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  562.197755][T11421]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  562.197757][T11421]  ? register_netdev (net/core/dev.c:11618)
[  562.197759][T11421]  ? 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))
[  562.197764][T11421]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  562.197767][T11421]  ? __kernel_text_address (kernel/extable.c:79)
[  562.197770][T11421]  ? write_profile (profile.c:?)
[  562.197774][T11421]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  562.197779][T11421]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  562.197783][T11421]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  562.197785][T11421]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  562.197786][T11421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  562.197788][T11421]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  562.197791][T11421]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  562.197798][T11421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  562.197800][T11421]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  562.197802][T11421]  ? kasan_save_stack (mm/kasan/common.c:58)
[  562.197804][T11421]  ? kasan_save_stack (mm/kasan/common.c:57)
[  562.197806][T11421]  ? kasan_save_track (mm/kasan/common.c:78)
[  562.197807][T11421]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  562.197809][T11421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.197811][T11421]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  562.197814][T11421]  ? ___sys_sendmsg (net/socket.c:2758)
[  562.197818][T11421]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  562.197820][T11421]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  562.197823][T11421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.197825][T11421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.197827][T11421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.197828][T11421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.197830][T11421]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  562.197832][T11421]  ? __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)
[  562.197833][T11421]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  562.197835][T11421]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  562.197839][T11421]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  562.197840][T11421]  ? nla_get_range_signed (lib/nlattr.c:270)
[  562.197845][T11421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.197847][T11421]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  562.197853][T11421]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  562.197858][T11421]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  562.197860][T11421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.197865][T11421]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  562.197867][T11421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  562.197869][T11421]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  562.197871][T11421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  562.197874][T11421]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  562.197877][T11421]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  562.197880][T11421]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  562.197881][T11421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.197886][T11421]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  562.197888][T11421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  562.197891][T11421]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  562.197895][T11421]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  562.197898][T11421]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  562.197904][T11421]  ? 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))
[  562.197906][T11421]  ? 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))
[  562.197911][T11421]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  562.197915][T11421]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  562.197918][T11421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  562.197922][T11421]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  562.197927][T11421]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  562.197931][T11421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  562.197932][T11421]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  562.197938][T11421]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  562.197941][T11421]  ____sys_sendmsg (net/socket.c:2713)
[  562.197943][T11421]  ? copy_msghdr_from_user (net/socket.c:2650)
[  562.197945][T11421]  ? sock_write_iter (net/socket.c:1269)
[  562.197947][T11421]  ? move_addr_to_kernel (net/socket.c:258)
[  562.197955][T11421]  ___sys_sendmsg (net/socket.c:2767)
[  562.197958][T11421]  ? copy_msghdr_from_user (net/socket.c:2619)
[  562.197974][T11421]  __sys_sendmsg (net/socket.c:2799)
[  562.197977][T11421]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  562.197984][T11421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.197987][T11421]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  562.197990][T11421]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  562.197992][T11421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  562.197995][T11421] RIP: 0033:0x7f1d2be3c54e
[  562.197998][T11421] 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
[  562.198000][T11421] RSP: 002b:00007ffee30b5bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  562.198004][T11421] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1d2be3c54e
[  562.198005][T11421] RDX: 0000000000000000 RSI: 00007ffee30b5c70 RDI: 0000000000000005
[  562.198006][T11421] RBP: 00007ffee30b5bd0 R08: 0000000000000000 R09: 0000000000000000
[  562.198007][T11421] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111f6
[  562.198008][T11421] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee30b6340
| [  570.883213][T11564] softirqs last disabled at (30758): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  570.883216][T11564] Preemption disabled at:
| [  570.883216][T11564] vprintk_emit (kernel/printk/printk.c:2471)
| [  570.883224][T11564] Tainted: [W]=WARN
[  570.883225][T11564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  570.883226][T11564] Call Trace:
[  570.883228][T11564]  <TASK>
[  570.883230][T11564]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  570.883235][T11564]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  570.883237][T11564]  __might_resched.cold (kernel/sched/core.c:9234)
[  570.883241][T11564]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  570.883246][T11564]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  570.883250][T11564]  __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))
[  570.883252][T11564]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  570.883258][T11564]  ? 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)
[  570.883261][T11564]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  570.883265][T11564]  put_chars (drivers/char/virtio_console.c:1176)
[  570.883267][T11564]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  570.883273][T11564]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  570.883280][T11564]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  570.883284][T11564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.883288][T11564]  console_emit_next_record (kernel/printk/printk.c:3183)
[  570.883292][T11564]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  570.883294][T11564]  ? 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))
[  570.883297][T11564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.883300][T11564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.883304][T11564]  console_flush_one_record (kernel/printk/printk.c:3268)
[  570.883308][T11564]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  570.883310][T11564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.883315][T11564]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  570.883318][T11564]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  570.883320][T11564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.883321][T11564]  ? 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)
[  570.883325][T11564]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  570.883327][T11564]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  570.883329][T11564]  vprintk_emit (kernel/printk/printk.c:2479)
[  570.883333][T11564]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  570.883335][T11564]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  570.883340][T11564]  _printk (kernel/printk/printk.c:2504)
[  570.883344][T11564]  ? snapshot_read.cold (user.c:?)
[  570.883346][T11564]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  570.883348][T11564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  570.883351][T11564]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  570.883353][T11564]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  570.883357][T11564]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  570.883360][T11564]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.883362][T11564]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  570.883365][T11564]  ? netdev_notice (net/core/dev.c:13194)
[  570.883368][T11564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.883371][T11564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.883373][T11564]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  570.883376][T11564]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.883379][T11564]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  570.883381][T11564]  ? register_netdev (net/core/dev.c:11618)
[  570.883382][T11564]  ? 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))
[  570.883387][T11564]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  570.883390][T11564]  ? __kernel_text_address (kernel/extable.c:79)
[  570.883392][T11564]  ? write_profile (profile.c:?)
[  570.883396][T11564]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  570.883402][T11564]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.883405][T11564]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  570.883407][T11564]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  570.883408][T11564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  570.883410][T11564]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  570.883413][T11564]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  570.883415][T11564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  570.883417][T11564]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  570.883419][T11564]  ? kasan_save_stack (mm/kasan/common.c:58)
[  570.883421][T11564]  ? kasan_save_stack (mm/kasan/common.c:57)
[  570.883422][T11564]  ? kasan_save_track (mm/kasan/common.c:78)
[  570.883423][T11564]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  570.883426][T11564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.883428][T11564]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  570.883431][T11564]  ? ___sys_sendmsg (net/socket.c:2758)
[  570.883435][T11564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.883437][T11564]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  570.883439][T11564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.883441][T11564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.883443][T11564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.883444][T11564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.883445][T11564]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  570.883448][T11564]  ? __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)
[  570.883449][T11564]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  570.883451][T11564]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  570.883454][T11564]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  570.883455][T11564]  ? nla_get_range_signed (lib/nlattr.c:270)
[  570.883460][T11564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.883462][T11564]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  570.883468][T11564]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  570.883473][T11564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.883475][T11564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.883479][T11564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.883481][T11564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.883483][T11564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.883485][T11564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.883488][T11564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.883490][T11564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  570.883493][T11564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  570.883495][T11564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.883499][T11564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.883501][T11564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.883504][T11564]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  570.883508][T11564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  570.883510][T11564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  570.883517][T11564]  ? 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))
[  570.883519][T11564]  ? 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))
[  570.883523][T11564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  570.883527][T11564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  570.883529][T11564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.883534][T11564]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  570.883538][T11564]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  570.883541][T11564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.883543][T11564]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  570.883548][T11564]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  570.883551][T11564]  ____sys_sendmsg (net/socket.c:2713)
[  570.883553][T11564]  ? copy_msghdr_from_user (net/socket.c:2650)
[  570.883555][T11564]  ? sock_write_iter (net/socket.c:1269)
[  570.883557][T11564]  ? move_addr_to_kernel (net/socket.c:258)
[  570.883564][T11564]  ___sys_sendmsg (net/socket.c:2767)
[  570.883567][T11564]  ? copy_msghdr_from_user (net/socket.c:2619)
[  570.883582][T11564]  __sys_sendmsg (net/socket.c:2799)
[  570.883585][T11564]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  570.883591][T11564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.883594][T11564]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  570.883597][T11564]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  570.883600][T11564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  570.883602][T11564] RIP: 0033:0x7faabef7e54e
[  570.883606][T11564] 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
[  570.883608][T11564] RSP: 002b:00007ffeacc62fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  570.883610][T11564] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faabef7e54e
[  570.883612][T11564] RDX: 0000000000000000 RSI: 00007ffeacc63080 RDI: 0000000000000005
[  570.883613][T11564] RBP: 00007ffeacc62fe0 R08: 0000000000000000 R09: 0000000000000000
[  570.883614][T11564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ff
[  570.883615][T11564] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeacc63750
| [  579.533844][T11707] softirqs last disabled at (23720): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  579.533847][T11707] Preemption disabled at:
| [  579.533847][T11707] vprintk_emit (kernel/printk/printk.c:2471)
| [  579.533855][T11707] Tainted: [W]=WARN
[  579.533856][T11707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  579.533857][T11707] Call Trace:
[  579.533859][T11707]  <TASK>
[  579.533861][T11707]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  579.533866][T11707]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  579.533868][T11707]  __might_resched.cold (kernel/sched/core.c:9234)
[  579.533872][T11707]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  579.533876][T11707]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  579.533880][T11707]  __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))
[  579.533882][T11707]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  579.533888][T11707]  ? 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)
[  579.533891][T11707]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  579.533895][T11707]  put_chars (drivers/char/virtio_console.c:1176)
[  579.533897][T11707]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  579.533903][T11707]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  579.533911][T11707]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  579.533914][T11707]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.533918][T11707]  console_emit_next_record (kernel/printk/printk.c:3183)
[  579.533922][T11707]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  579.533924][T11707]  ? 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))
[  579.533927][T11707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.533930][T11707]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.533934][T11707]  console_flush_one_record (kernel/printk/printk.c:3268)
[  579.533938][T11707]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  579.533940][T11707]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.533945][T11707]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  579.533948][T11707]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  579.533950][T11707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.533952][T11707]  ? 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)
[  579.533955][T11707]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  579.533957][T11707]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  579.533959][T11707]  vprintk_emit (kernel/printk/printk.c:2479)
[  579.533962][T11707]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  579.533965][T11707]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  579.533970][T11707]  _printk (kernel/printk/printk.c:2504)
[  579.533973][T11707]  ? snapshot_read.cold (user.c:?)
[  579.533975][T11707]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  579.533978][T11707]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  579.533981][T11707]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  579.533983][T11707]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  579.533986][T11707]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  579.533989][T11707]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.533991][T11707]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  579.533994][T11707]  ? netdev_notice (net/core/dev.c:13194)
[  579.533997][T11707]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.534000][T11707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.534002][T11707]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  579.534006][T11707]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.534008][T11707]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  579.534010][T11707]  ? register_netdev (net/core/dev.c:11618)
[  579.534011][T11707]  ? 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))
[  579.534016][T11707]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  579.534019][T11707]  ? __kernel_text_address (kernel/extable.c:79)
[  579.534021][T11707]  ? write_profile (profile.c:?)
[  579.534025][T11707]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  579.534031][T11707]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.534034][T11707]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  579.534036][T11707]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  579.534037][T11707]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  579.534039][T11707]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  579.534043][T11707]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  579.534045][T11707]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  579.534047][T11707]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  579.534049][T11707]  ? kasan_save_stack (mm/kasan/common.c:58)
[  579.534051][T11707]  ? kasan_save_stack (mm/kasan/common.c:57)
[  579.534052][T11707]  ? kasan_save_track (mm/kasan/common.c:78)
[  579.534053][T11707]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  579.534055][T11707]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.534057][T11707]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  579.534060][T11707]  ? ___sys_sendmsg (net/socket.c:2758)
[  579.534064][T11707]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.534066][T11707]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  579.534068][T11707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.534070][T11707]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.534072][T11707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.534073][T11707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.534074][T11707]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  579.534077][T11707]  ? __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)
[  579.534078][T11707]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  579.534080][T11707]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  579.534083][T11707]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  579.534084][T11707]  ? nla_get_range_signed (lib/nlattr.c:270)
[  579.534089][T11707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.534091][T11707]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  579.534096][T11707]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  579.534101][T11707]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.534103][T11707]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.534107][T11707]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.534109][T11707]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.534111][T11707]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.534113][T11707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.534117][T11707]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.534118][T11707]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  579.534122][T11707]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  579.534123][T11707]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.534127][T11707]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.534129][T11707]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.534132][T11707]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  579.534135][T11707]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  579.534138][T11707]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  579.534144][T11707]  ? 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))
[  579.534146][T11707]  ? 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))
[  579.534151][T11707]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  579.534155][T11707]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  579.534157][T11707]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.534161][T11707]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  579.534165][T11707]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  579.534169][T11707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.534170][T11707]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  579.534176][T11707]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  579.534179][T11707]  ____sys_sendmsg (net/socket.c:2713)
[  579.534181][T11707]  ? copy_msghdr_from_user (net/socket.c:2650)
[  579.534183][T11707]  ? sock_write_iter (net/socket.c:1269)
[  579.534185][T11707]  ? move_addr_to_kernel (net/socket.c:258)
[  579.534192][T11707]  ___sys_sendmsg (net/socket.c:2767)
[  579.534194][T11707]  ? copy_msghdr_from_user (net/socket.c:2619)
[  579.534210][T11707]  __sys_sendmsg (net/socket.c:2799)
[  579.534212][T11707]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  579.534218][T11707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.534225][T11707]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  579.534228][T11707]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  579.534231][T11707]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  579.534233][T11707] RIP: 0033:0x7fb23784654e
[  579.534237][T11707] 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
[  579.534239][T11707] RSP: 002b:00007ffe281946c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  579.534242][T11707] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb23784654e
[  579.534243][T11707] RDX: 0000000000000000 RSI: 00007ffe28194770 RDI: 0000000000000005
[  579.534244][T11707] RBP: 00007ffe281946d0 R08: 0000000000000000 R09: 0000000000000000
[  579.534245][T11707] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911207
[  579.534246][T11707] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe28194e40
| [  588.249474][T11849] softirqs last disabled at (24736): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  588.249476][T11849] Preemption disabled at:
| [  588.249477][T11849] vprintk_emit (kernel/printk/printk.c:2471)
| [  588.249486][T11849] Tainted: [W]=WARN
[  588.249486][T11849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  588.249488][T11849] Call Trace:
[  588.249490][T11849]  <TASK>
[  588.249491][T11849]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  588.249497][T11849]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  588.249499][T11849]  __might_resched.cold (kernel/sched/core.c:9234)
[  588.249503][T11849]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  588.249507][T11849]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  588.249511][T11849]  __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))
[  588.249513][T11849]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.249519][T11849]  ? 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)
[  588.249522][T11849]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.249526][T11849]  put_chars (drivers/char/virtio_console.c:1176)
[  588.249528][T11849]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  588.249535][T11849]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  588.249542][T11849]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  588.249545][T11849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.249550][T11849]  console_emit_next_record (kernel/printk/printk.c:3183)
[  588.249554][T11849]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  588.249555][T11849]  ? 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))
[  588.249559][T11849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.249561][T11849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.249565][T11849]  console_flush_one_record (kernel/printk/printk.c:3268)
[  588.249569][T11849]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  588.249571][T11849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  588.249577][T11849]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  588.249579][T11849]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  588.249581][T11849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.249583][T11849]  ? 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)
[  588.249587][T11849]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  588.249588][T11849]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  588.249591][T11849]  vprintk_emit (kernel/printk/printk.c:2479)
[  588.249594][T11849]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  588.249597][T11849]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  588.249602][T11849]  _printk (kernel/printk/printk.c:2504)
[  588.249605][T11849]  ? snapshot_read.cold (user.c:?)
[  588.249607][T11849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  588.249610][T11849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  588.249612][T11849]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  588.249615][T11849]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  588.249618][T11849]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  588.249621][T11849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.249623][T11849]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  588.249626][T11849]  ? netdev_notice (net/core/dev.c:13194)
[  588.249629][T11849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  588.249632][T11849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  588.249634][T11849]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  588.249638][T11849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.249640][T11849]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  588.249642][T11849]  ? register_netdev (net/core/dev.c:11618)
[  588.249643][T11849]  ? 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))
[  588.249649][T11849]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  588.249651][T11849]  ? __kernel_text_address (kernel/extable.c:79)
[  588.249654][T11849]  ? write_profile (profile.c:?)
[  588.249657][T11849]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  588.249663][T11849]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.249666][T11849]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  588.249668][T11849]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  588.249670][T11849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  588.249672][T11849]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  588.249675][T11849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  588.249677][T11849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  588.249679][T11849]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  588.249681][T11849]  ? kasan_save_stack (mm/kasan/common.c:58)
[  588.249683][T11849]  ? kasan_save_stack (mm/kasan/common.c:57)
[  588.249684][T11849]  ? kasan_save_track (mm/kasan/common.c:78)
[  588.249685][T11849]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  588.249688][T11849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  588.249689][T11849]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  588.249693][T11849]  ? ___sys_sendmsg (net/socket.c:2758)
[  588.249696][T11849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  588.249698][T11849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  588.249701][T11849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.249703][T11849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.249704][T11849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.249705][T11849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.249707][T11849]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  588.249709][T11849]  ? __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)
[  588.249710][T11849]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  588.249712][T11849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  588.249715][T11849]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  588.249717][T11849]  ? nla_get_range_signed (lib/nlattr.c:270)
[  588.249722][T11849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.249724][T11849]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  588.249729][T11849]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  588.249734][T11849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.249736][T11849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  588.249741][T11849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  588.249743][T11849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  588.249745][T11849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.249746][T11849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  588.249750][T11849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.249752][T11849]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  588.249755][T11849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.249757][T11849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  588.249761][T11849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  588.249763][T11849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  588.249766][T11849]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  588.249769][T11849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.249772][T11849]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  588.249779][T11849]  ? 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))
[  588.249781][T11849]  ? 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))
[  588.249785][T11849]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  588.249789][T11849]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  588.249792][T11849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  588.249799][T11849]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  588.249803][T11849]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  588.249807][T11849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  588.249808][T11849]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  588.249814][T11849]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  588.249816][T11849]  ____sys_sendmsg (net/socket.c:2713)
[  588.249819][T11849]  ? copy_msghdr_from_user (net/socket.c:2650)
[  588.249821][T11849]  ? sock_write_iter (net/socket.c:1269)
[  588.249822][T11849]  ? move_addr_to_kernel (net/socket.c:258)
[  588.249830][T11849]  ___sys_sendmsg (net/socket.c:2767)
[  588.249832][T11849]  ? copy_msghdr_from_user (net/socket.c:2619)
[  588.249848][T11849]  __sys_sendmsg (net/socket.c:2799)
[  588.249850][T11849]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  588.249857][T11849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.249860][T11849]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  588.249862][T11849]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  588.249865][T11849]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.249867][T11849] RIP: 0033:0x7fa149c2154e
[  588.249871][T11849] 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
[  588.249872][T11849] RSP: 002b:00007ffc5002cce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  588.249875][T11849] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa149c2154e
[  588.249877][T11849] RDX: 0000000000000000 RSI: 00007ffc5002cd90 RDI: 0000000000000005
[  588.249878][T11849] RBP: 00007ffc5002ccf0 R08: 0000000000000000 R09: 0000000000000000
[  588.249878][T11849] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911210
[  588.249879][T11849] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5002d460
| [  596.887809][T11991] softirqs last disabled at (21036): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  596.887812][T11991] Preemption disabled at:
| [  596.887812][T11991] vprintk_emit (kernel/printk/printk.c:2471)
| [  596.887820][T11991] Tainted: [W]=WARN
[  596.887821][T11991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  596.887823][T11991] Call Trace:
[  596.887824][T11991]  <TASK>
[  596.887826][T11991]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  596.887832][T11991]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  596.887833][T11991]  __might_resched.cold (kernel/sched/core.c:9234)
[  596.887838][T11991]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  596.887842][T11991]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  596.887846][T11991]  __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))
[  596.887848][T11991]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  596.887854][T11991]  ? 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)
[  596.887857][T11991]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  596.887860][T11991]  put_chars (drivers/char/virtio_console.c:1176)
[  596.887863][T11991]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  596.887869][T11991]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  596.887876][T11991]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  596.887879][T11991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.887884][T11991]  console_emit_next_record (kernel/printk/printk.c:3183)
[  596.887888][T11991]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  596.887890][T11991]  ? 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))
[  596.887893][T11991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.887895][T11991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.887899][T11991]  console_flush_one_record (kernel/printk/printk.c:3268)
[  596.887904][T11991]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  596.887905][T11991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  596.887911][T11991]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  596.887913][T11991]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  596.887915][T11991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.887917][T11991]  ? 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)
[  596.887921][T11991]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  596.887923][T11991]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  596.887925][T11991]  vprintk_emit (kernel/printk/printk.c:2479)
[  596.887929][T11991]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  596.887931][T11991]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  596.887936][T11991]  _printk (kernel/printk/printk.c:2504)
[  596.887940][T11991]  ? snapshot_read.cold (user.c:?)
[  596.887941][T11991]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  596.887944][T11991]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  596.887947][T11991]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  596.887949][T11991]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  596.887953][T11991]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  596.887955][T11991]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  596.887958][T11991]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  596.887960][T11991]  ? netdev_notice (net/core/dev.c:13194)
[  596.887963][T11991]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  596.887966][T11991]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  596.887969][T11991]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  596.887972][T11991]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  596.887974][T11991]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  596.887976][T11991]  ? register_netdev (net/core/dev.c:11618)
[  596.887978][T11991]  ? 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))
[  596.887983][T11991]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  596.887985][T11991]  ? __kernel_text_address (kernel/extable.c:79)
[  596.887988][T11991]  ? write_profile (profile.c:?)
[  596.887991][T11991]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  596.887997][T11991]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  596.888000][T11991]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  596.888002][T11991]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  596.888004][T11991]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  596.888006][T11991]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  596.888009][T11991]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  596.888011][T11991]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  596.888013][T11991]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  596.888015][T11991]  ? kasan_save_stack (mm/kasan/common.c:58)
[  596.888017][T11991]  ? kasan_save_stack (mm/kasan/common.c:57)
[  596.888018][T11991]  ? kasan_save_track (mm/kasan/common.c:78)
[  596.888019][T11991]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  596.888022][T11991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  596.888023][T11991]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  596.888027][T11991]  ? ___sys_sendmsg (net/socket.c:2758)
[  596.888030][T11991]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  596.888032][T11991]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  596.888035][T11991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.888037][T11991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.888038][T11991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.888039][T11991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.888041][T11991]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  596.888043][T11991]  ? __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)
[  596.888044][T11991]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  596.888046][T11991]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  596.888050][T11991]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  596.888051][T11991]  ? nla_get_range_signed (lib/nlattr.c:270)
[  596.888055][T11991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.888058][T11991]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  596.888063][T11991]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  596.888068][T11991]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  596.888070][T11991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  596.888074][T11991]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  596.888076][T11991]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  596.888078][T11991]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  596.888080][T11991]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  596.888083][T11991]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  596.888085][T11991]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  596.888089][T11991]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  596.888090][T11991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  596.888094][T11991]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  596.888096][T11991]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  596.888099][T11991]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  596.888102][T11991]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  596.888105][T11991]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  596.888111][T11991]  ? 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))
[  596.888113][T11991]  ? 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))
[  596.888118][T11991]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  596.888122][T11991]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  596.888124][T11991]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  596.888128][T11991]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  596.888132][T11991]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  596.888136][T11991]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  596.888138][T11991]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  596.888143][T11991]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  596.888145][T11991]  ____sys_sendmsg (net/socket.c:2713)
[  596.888148][T11991]  ? copy_msghdr_from_user (net/socket.c:2650)
[  596.888150][T11991]  ? sock_write_iter (net/socket.c:1269)
[  596.888151][T11991]  ? move_addr_to_kernel (net/socket.c:258)
[  596.888158][T11991]  ___sys_sendmsg (net/socket.c:2767)
[  596.888161][T11991]  ? copy_msghdr_from_user (net/socket.c:2619)
[  596.888177][T11991]  __sys_sendmsg (net/socket.c:2799)
[  596.888179][T11991]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  596.888186][T11991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.888188][T11991]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  596.888191][T11991]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  596.888194][T11991]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  596.888196][T11991] RIP: 0033:0x7f12da70e54e
[  596.888200][T11991] 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
[  596.888202][T11991] RSP: 002b:00007fff30e891d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  596.888205][T11991] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f12da70e54e
[  596.888206][T11991] RDX: 0000000000000000 RSI: 00007fff30e89280 RDI: 0000000000000005
[  596.888207][T11991] RBP: 00007fff30e891e0 R08: 0000000000000000 R09: 0000000000000000
[  596.888208][T11991] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911219
[  596.888209][T11991] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff30e89950
| [  605.471251][T12134] softirqs last disabled at (24064): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  605.471253][T12134] Preemption disabled at:
| [  605.471254][T12134] vprintk_emit (kernel/printk/printk.c:2471)
| [  605.471262][T12134] Tainted: [W]=WARN
[  605.471263][T12134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  605.471265][T12134] Call Trace:
[  605.471266][T12134]  <TASK>
[  605.471268][T12134]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  605.471274][T12134]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  605.471275][T12134]  __might_resched.cold (kernel/sched/core.c:9234)
[  605.471280][T12134]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  605.471284][T12134]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  605.471288][T12134]  __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))
[  605.471290][T12134]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.471296][T12134]  ? 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)
[  605.471299][T12134]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.471303][T12134]  put_chars (drivers/char/virtio_console.c:1176)
[  605.471305][T12134]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  605.471311][T12134]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  605.471323][T12134]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  605.471327][T12134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.471331][T12134]  console_emit_next_record (kernel/printk/printk.c:3183)
[  605.471335][T12134]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  605.471337][T12134]  ? 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))
[  605.471340][T12134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.471343][T12134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.471347][T12134]  console_flush_one_record (kernel/printk/printk.c:3268)
[  605.471351][T12134]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  605.471353][T12134]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.471358][T12134]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  605.471361][T12134]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  605.471363][T12134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.471364][T12134]  ? 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)
[  605.471368][T12134]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  605.471370][T12134]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  605.471373][T12134]  vprintk_emit (kernel/printk/printk.c:2479)
[  605.471376][T12134]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  605.471378][T12134]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  605.471383][T12134]  _printk (kernel/printk/printk.c:2504)
[  605.471387][T12134]  ? snapshot_read.cold (user.c:?)
[  605.471389][T12134]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  605.471391][T12134]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  605.471394][T12134]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  605.471396][T12134]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  605.471400][T12134]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  605.471402][T12134]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.471404][T12134]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  605.471407][T12134]  ? netdev_notice (net/core/dev.c:13194)
[  605.471410][T12134]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.471413][T12134]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.471416][T12134]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  605.471419][T12134]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.471421][T12134]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  605.471423][T12134]  ? register_netdev (net/core/dev.c:11618)
[  605.471425][T12134]  ? 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))
[  605.471430][T12134]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  605.471433][T12134]  ? __kernel_text_address (kernel/extable.c:79)
[  605.471435][T12134]  ? write_profile (profile.c:?)
[  605.471439][T12134]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  605.471445][T12134]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.471448][T12134]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  605.471450][T12134]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  605.471452][T12134]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  605.471454][T12134]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  605.471457][T12134]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  605.471459][T12134]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  605.471461][T12134]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  605.471463][T12134]  ? kasan_save_stack (mm/kasan/common.c:58)
[  605.471465][T12134]  ? kasan_save_stack (mm/kasan/common.c:57)
[  605.471466][T12134]  ? kasan_save_track (mm/kasan/common.c:78)
[  605.471467][T12134]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  605.471469][T12134]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.471471][T12134]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  605.471474][T12134]  ? ___sys_sendmsg (net/socket.c:2758)
[  605.471478][T12134]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.471480][T12134]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  605.471483][T12134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.471484][T12134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.471486][T12134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.471487][T12134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.471489][T12134]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  605.471491][T12134]  ? __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)
[  605.471492][T12134]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  605.471494][T12134]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  605.471497][T12134]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  605.471498][T12134]  ? nla_get_range_signed (lib/nlattr.c:270)
[  605.471503][T12134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.471505][T12134]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  605.471510][T12134]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.471516][T12134]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.471518][T12134]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.471522][T12134]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.471524][T12134]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.471526][T12134]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.471527][T12134]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.471531][T12134]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.471533][T12134]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  605.471536][T12134]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.471538][T12134]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.471542][T12134]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.471544][T12134]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.471547][T12134]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  605.471550][T12134]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.471553][T12134]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  605.471559][T12134]  ? 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))
[  605.471561][T12134]  ? 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))
[  605.471566][T12134]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  605.471569][T12134]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  605.471572][T12134]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.471576][T12134]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  605.471580][T12134]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  605.471584][T12134]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.471585][T12134]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  605.471590][T12134]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  605.471593][T12134]  ____sys_sendmsg (net/socket.c:2713)
[  605.471595][T12134]  ? copy_msghdr_from_user (net/socket.c:2650)
[  605.471597][T12134]  ? sock_write_iter (net/socket.c:1269)
[  605.471599][T12134]  ? move_addr_to_kernel (net/socket.c:258)
[  605.471606][T12134]  ___sys_sendmsg (net/socket.c:2767)
[  605.471609][T12134]  ? copy_msghdr_from_user (net/socket.c:2619)
[  605.471624][T12134]  __sys_sendmsg (net/socket.c:2799)
[  605.471627][T12134]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  605.471633][T12134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.471636][T12134]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  605.471639][T12134]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  605.471641][T12134]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  605.471644][T12134] RIP: 0033:0x7f919696154e
[  605.471647][T12134] 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
[  605.471649][T12134] RSP: 002b:00007ffff4265560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  605.471652][T12134] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f919696154e
[  605.471654][T12134] RDX: 0000000000000000 RSI: 00007ffff4265610 RDI: 0000000000000005
[  605.471655][T12134] RBP: 00007ffff4265570 R08: 0000000000000000 R09: 0000000000000000
[  605.471655][T12134] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911221
[  605.471656][T12134] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff4265ce0
| [  614.179331][T12277] softirqs last disabled at (29768): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  614.179333][T12277] Preemption disabled at:
| [  614.179334][T12277] vprintk_emit (kernel/printk/printk.c:2471)
| [  614.179342][T12277] Tainted: [W]=WARN
[  614.179342][T12277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  614.179347][T12277] Call Trace:
[  614.179349][T12277]  <TASK>
[  614.179350][T12277]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  614.179356][T12277]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  614.179358][T12277]  __might_resched.cold (kernel/sched/core.c:9234)
[  614.179362][T12277]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  614.179367][T12277]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  614.179371][T12277]  __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))
[  614.179373][T12277]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  614.179379][T12277]  ? 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)
[  614.179382][T12277]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  614.179385][T12277]  put_chars (drivers/char/virtio_console.c:1176)
[  614.179388][T12277]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  614.179394][T12277]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  614.179401][T12277]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  614.179405][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.179409][T12277]  console_emit_next_record (kernel/printk/printk.c:3183)
[  614.179413][T12277]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  614.179415][T12277]  ? 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))
[  614.179418][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.179421][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.179425][T12277]  console_flush_one_record (kernel/printk/printk.c:3268)
[  614.179429][T12277]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  614.179431][T12277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  614.179436][T12277]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  614.179439][T12277]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  614.179441][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.179443][T12277]  ? 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)
[  614.179447][T12277]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  614.179448][T12277]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  614.179451][T12277]  vprintk_emit (kernel/printk/printk.c:2479)
[  614.179454][T12277]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  614.179457][T12277]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  614.179462][T12277]  _printk (kernel/printk/printk.c:2504)
[  614.179465][T12277]  ? snapshot_read.cold (user.c:?)
[  614.179467][T12277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  614.179469][T12277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  614.179472][T12277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  614.179474][T12277]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  614.179478][T12277]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  614.179480][T12277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  614.179483][T12277]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  614.179486][T12277]  ? netdev_notice (net/core/dev.c:13194)
[  614.179488][T12277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  614.179491][T12277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  614.179494][T12277]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  614.179497][T12277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  614.179499][T12277]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  614.179502][T12277]  ? register_netdev (net/core/dev.c:11618)
[  614.179503][T12277]  ? 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))
[  614.179508][T12277]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  614.179511][T12277]  ? __kernel_text_address (kernel/extable.c:79)
[  614.179514][T12277]  ? write_profile (profile.c:?)
[  614.179518][T12277]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  614.179523][T12277]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  614.179526][T12277]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  614.179528][T12277]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  614.179530][T12277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  614.179532][T12277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  614.179535][T12277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  614.179537][T12277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  614.179539][T12277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  614.179541][T12277]  ? kasan_save_stack (mm/kasan/common.c:58)
[  614.179543][T12277]  ? kasan_save_stack (mm/kasan/common.c:57)
[  614.179544][T12277]  ? kasan_save_track (mm/kasan/common.c:78)
[  614.179545][T12277]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  614.179548][T12277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  614.179550][T12277]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  614.179553][T12277]  ? ___sys_sendmsg (net/socket.c:2758)
[  614.179557][T12277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  614.179559][T12277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  614.179561][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.179563][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.179564][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.179566][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.179567][T12277]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  614.179570][T12277]  ? __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)
[  614.179571][T12277]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  614.179573][T12277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  614.179576][T12277]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  614.179577][T12277]  ? nla_get_range_signed (lib/nlattr.c:270)
[  614.179582][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.179584][T12277]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  614.179589][T12277]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  614.179594][T12277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  614.179596][T12277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  614.179601][T12277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  614.179603][T12277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  614.179605][T12277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  614.179607][T12277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  614.179610][T12277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  614.179612][T12277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  614.179616][T12277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  614.179617][T12277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  614.179621][T12277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  614.179623][T12277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  614.179627][T12277]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  614.179630][T12277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  614.179633][T12277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  614.179639][T12277]  ? 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))
[  614.179641][T12277]  ? 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))
[  614.179645][T12277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  614.179649][T12277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  614.179652][T12277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  614.179656][T12277]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  614.179660][T12277]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  614.179664][T12277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  614.179665][T12277]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  614.179671][T12277]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  614.179673][T12277]  ____sys_sendmsg (net/socket.c:2713)
[  614.179676][T12277]  ? copy_msghdr_from_user (net/socket.c:2650)
[  614.179678][T12277]  ? sock_write_iter (net/socket.c:1269)
[  614.179680][T12277]  ? move_addr_to_kernel (net/socket.c:258)
[  614.179687][T12277]  ___sys_sendmsg (net/socket.c:2767)
[  614.179689][T12277]  ? copy_msghdr_from_user (net/socket.c:2619)
[  614.179705][T12277]  __sys_sendmsg (net/socket.c:2799)
[  614.179708][T12277]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  614.179714][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.179717][T12277]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  614.179720][T12277]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  614.179723][T12277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  614.179725][T12277] RIP: 0033:0x7f01969d554e
[  614.179729][T12277] 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
[  614.179731][T12277] RSP: 002b:00007ffe8ecb5110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  614.179733][T12277] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f01969d554e
[  614.179735][T12277] RDX: 0000000000000000 RSI: 00007ffe8ecb51c0 RDI: 0000000000000005
[  614.179736][T12277] RBP: 00007ffe8ecb5120 R08: 0000000000000000 R09: 0000000000000000
[  614.179737][T12277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91122a
[  614.179738][T12277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8ecb5890
| [  622.754357][T12420] softirqs last disabled at (19784): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  622.754360][T12420] Preemption disabled at:
| [  622.754360][T12420] vprintk_emit (kernel/printk/printk.c:2471)
| [  622.754368][T12420] Tainted: [W]=WARN
[  622.754369][T12420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  622.754371][T12420] Call Trace:
[  622.754372][T12420]  <TASK>
[  622.754377][T12420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  622.754383][T12420]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  622.754384][T12420]  __might_resched.cold (kernel/sched/core.c:9234)
[  622.754388][T12420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  622.754393][T12420]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  622.754397][T12420]  __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))
[  622.754399][T12420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.754406][T12420]  ? 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)
[  622.754409][T12420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.754412][T12420]  put_chars (drivers/char/virtio_console.c:1176)
[  622.754415][T12420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  622.754421][T12420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  622.754428][T12420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  622.754432][T12420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.754436][T12420]  console_emit_next_record (kernel/printk/printk.c:3183)
[  622.754440][T12420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  622.754442][T12420]  ? 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))
[  622.754445][T12420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.754448][T12420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.754452][T12420]  console_flush_one_record (kernel/printk/printk.c:3268)
[  622.754456][T12420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  622.754458][T12420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.754463][T12420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  622.754466][T12420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  622.754468][T12420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.754470][T12420]  ? 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)
[  622.754474][T12420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  622.754475][T12420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  622.754478][T12420]  vprintk_emit (kernel/printk/printk.c:2479)
[  622.754481][T12420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  622.754484][T12420]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  622.754489][T12420]  _printk (kernel/printk/printk.c:2504)
[  622.754492][T12420]  ? snapshot_read.cold (user.c:?)
[  622.754494][T12420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  622.754497][T12420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  622.754499][T12420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  622.754501][T12420]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  622.754505][T12420]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  622.754508][T12420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.754511][T12420]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  622.754513][T12420]  ? netdev_notice (net/core/dev.c:13194)
[  622.754516][T12420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.754519][T12420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.754522][T12420]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  622.754525][T12420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.754527][T12420]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  622.754530][T12420]  ? register_netdev (net/core/dev.c:11618)
[  622.754531][T12420]  ? 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))
[  622.754536][T12420]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  622.754539][T12420]  ? __kernel_text_address (kernel/extable.c:79)
[  622.754542][T12420]  ? write_profile (profile.c:?)
[  622.754546][T12420]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  622.754551][T12420]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.754555][T12420]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  622.754557][T12420]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  622.754558][T12420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  622.754560][T12420]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  622.754563][T12420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  622.754565][T12420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  622.754567][T12420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  622.754569][T12420]  ? kasan_save_stack (mm/kasan/common.c:58)
[  622.754572][T12420]  ? kasan_save_stack (mm/kasan/common.c:57)
[  622.754573][T12420]  ? kasan_save_track (mm/kasan/common.c:78)
[  622.754574][T12420]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  622.754576][T12420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.754578][T12420]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  622.754581][T12420]  ? ___sys_sendmsg (net/socket.c:2758)
[  622.754585][T12420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.754587][T12420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  622.754590][T12420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.754592][T12420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.754594][T12420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.754595][T12420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.754596][T12420]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  622.754599][T12420]  ? __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)
[  622.754600][T12420]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  622.754602][T12420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  622.754605][T12420]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  622.754606][T12420]  ? nla_get_range_signed (lib/nlattr.c:270)
[  622.754611][T12420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.754613][T12420]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  622.754618][T12420]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  622.754624][T12420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.754626][T12420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.754630][T12420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.754632][T12420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.754634][T12420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.754636][T12420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.754639][T12420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.754642][T12420]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  622.754645][T12420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  622.754646][T12420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.754650][T12420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.754652][T12420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.754656][T12420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  622.754659][T12420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  622.754662][T12420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  622.754668][T12420]  ? 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))
[  622.754670][T12420]  ? 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))
[  622.754674][T12420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  622.754678][T12420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  622.754681][T12420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.754685][T12420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  622.754689][T12420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  622.754693][T12420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.754694][T12420]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  622.754699][T12420]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  622.754702][T12420]  ____sys_sendmsg (net/socket.c:2713)
[  622.754704][T12420]  ? copy_msghdr_from_user (net/socket.c:2650)
[  622.754707][T12420]  ? sock_write_iter (net/socket.c:1269)
[  622.754708][T12420]  ? move_addr_to_kernel (net/socket.c:258)
[  622.754716][T12420]  ___sys_sendmsg (net/socket.c:2767)
[  622.754718][T12420]  ? copy_msghdr_from_user (net/socket.c:2619)
[  622.754734][T12420]  __sys_sendmsg (net/socket.c:2799)
[  622.754736][T12420]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  622.754743][T12420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.754746][T12420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  622.754749][T12420]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  622.754751][T12420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  622.754754][T12420] RIP: 0033:0x7fac8407054e
[  622.754757][T12420] 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
[  622.754759][T12420] RSP: 002b:00007fff41391800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  622.754762][T12420] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fac8407054e
[  622.754763][T12420] RDX: 0000000000000000 RSI: 00007fff413918b0 RDI: 0000000000000005
[  622.754764][T12420] RBP: 00007fff41391810 R08: 0000000000000000 R09: 0000000000000000
[  622.754765][T12420] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911233
[  622.754767][T12420] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff41391f80
| [  631.365707][T12563] softirqs last disabled at (30856): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  631.365710][T12563] Preemption disabled at:
| [  631.365711][T12563] vprintk_emit (kernel/printk/printk.c:2471)
| [  631.365719][T12563] Tainted: [W]=WARN
[  631.365720][T12563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  631.365721][T12563] Call Trace:
[  631.365723][T12563]  <TASK>
[  631.365724][T12563]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  631.365730][T12563]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  631.365732][T12563]  __might_resched.cold (kernel/sched/core.c:9234)
[  631.365736][T12563]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  631.365741][T12563]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  631.365745][T12563]  __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))
[  631.365747][T12563]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.365754][T12563]  ? 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)
[  631.365756][T12563]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.365760][T12563]  put_chars (drivers/char/virtio_console.c:1176)
[  631.365763][T12563]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  631.365769][T12563]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  631.365776][T12563]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  631.365779][T12563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.365784][T12563]  console_emit_next_record (kernel/printk/printk.c:3183)
[  631.365788][T12563]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  631.365790][T12563]  ? 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))
[  631.365793][T12563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.365798][T12563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.365802][T12563]  console_flush_one_record (kernel/printk/printk.c:3268)
[  631.365806][T12563]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  631.365808][T12563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.365813][T12563]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  631.365816][T12563]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  631.365818][T12563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.365819][T12563]  ? 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)
[  631.365823][T12563]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  631.365825][T12563]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  631.365828][T12563]  vprintk_emit (kernel/printk/printk.c:2479)
[  631.365831][T12563]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  631.365833][T12563]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  631.365838][T12563]  _printk (kernel/printk/printk.c:2504)
[  631.365842][T12563]  ? snapshot_read.cold (user.c:?)
[  631.365843][T12563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  631.365846][T12563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  631.365849][T12563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  631.365851][T12563]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  631.365854][T12563]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  631.365857][T12563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.365859][T12563]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  631.365862][T12563]  ? netdev_notice (net/core/dev.c:13194)
[  631.365865][T12563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.365868][T12563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.365870][T12563]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  631.365874][T12563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.365876][T12563]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  631.365878][T12563]  ? register_netdev (net/core/dev.c:11618)
[  631.365879][T12563]  ? 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))
[  631.365884][T12563]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  631.365887][T12563]  ? __kernel_text_address (kernel/extable.c:79)
[  631.365890][T12563]  ? write_profile (profile.c:?)
[  631.365894][T12563]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  631.365899][T12563]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.365902][T12563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.365904][T12563]  ? module_kallsyms_on_each_symbol (kernel/module/kallsyms.c:483)
[  631.365906][T12563]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  631.365909][T12563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.365911][T12563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.365913][T12563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.365915][T12563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.365917][T12563]  ? clockevents_program_event (kernel/time/clockevents.c:363)
[  631.365922][T12563]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[  631.365924][T12563]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[  631.365928][T12563]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[  631.365931][T12563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.365934][T12563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.365937][T12563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.365940][T12563]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  631.365943][T12563]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  631.365945][T12563]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  631.365946][T12563]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  631.365948][T12563]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[  631.365950][T12563]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  631.365958][T12563]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  631.365963][T12563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.365965][T12563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.365969][T12563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.365971][T12563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.365973][T12563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.365975][T12563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.365979][T12563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.365981][T12563]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.365984][T12563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.365985][T12563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.365990][T12563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.365992][T12563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.365995][T12563]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.365998][T12563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.366001][T12563]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  631.366007][T12563]  ? 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))
[  631.366009][T12563]  ? 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))
[  631.366014][T12563]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.366018][T12563]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  631.366020][T12563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.366024][T12563]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.366028][T12563]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  631.366032][T12563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.366034][T12563]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  631.366039][T12563]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.366043][T12563]  ____sys_sendmsg (net/socket.c:2713)
[  631.366045][T12563]  ? copy_msghdr_from_user (net/socket.c:2650)
[  631.366047][T12563]  ? sock_write_iter (net/socket.c:1269)
[  631.366049][T12563]  ? move_addr_to_kernel (net/socket.c:258)
[  631.366056][T12563]  ___sys_sendmsg (net/socket.c:2767)
[  631.366059][T12563]  ? copy_msghdr_from_user (net/socket.c:2619)
[  631.366075][T12563]  __sys_sendmsg (net/socket.c:2799)
[  631.366078][T12563]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  631.366084][T12563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.366087][T12563]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.366089][T12563]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  631.366092][T12563]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.366094][T12563] RIP: 0033:0x7f1e1eb2b54e
[  631.366098][T12563] 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
[  631.366099][T12563] RSP: 002b:00007ffc38f4e490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  631.366102][T12563] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1e1eb2b54e
[  631.366103][T12563] RDX: 0000000000000000 RSI: 00007ffc38f4e540 RDI: 0000000000000005
[  631.366104][T12563] RBP: 00007ffc38f4e4a0 R08: 0000000000000000 R09: 0000000000000000
[  631.366105][T12563] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91123b
[  631.366106][T12563] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc38f4ec10
| [  639.915342][T12707] softirqs last disabled at (22928): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  639.915344][T12707] Preemption disabled at:
| [  639.915345][T12707] vprintk_emit (kernel/printk/printk.c:2471)
| [  639.915353][T12707] Tainted: [W]=WARN
[  639.915354][T12707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  639.915355][T12707] Call Trace:
[  639.915357][T12707]  <TASK>
[  639.915358][T12707]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  639.915364][T12707]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  639.915366][T12707]  __might_resched.cold (kernel/sched/core.c:9234)
[  639.915370][T12707]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  639.915374][T12707]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  639.915379][T12707]  __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))
[  639.915381][T12707]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.915387][T12707]  ? 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)
[  639.915390][T12707]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.915394][T12707]  put_chars (drivers/char/virtio_console.c:1176)
[  639.915396][T12707]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  639.915403][T12707]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  639.915410][T12707]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  639.915413][T12707]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.915418][T12707]  console_emit_next_record (kernel/printk/printk.c:3183)
[  639.915422][T12707]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  639.915424][T12707]  ? 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))
[  639.915427][T12707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.915430][T12707]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.915434][T12707]  console_flush_one_record (kernel/printk/printk.c:3268)
[  639.915442][T12707]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  639.915444][T12707]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  639.915449][T12707]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  639.915452][T12707]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  639.915454][T12707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.915456][T12707]  ? 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)
[  639.915460][T12707]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  639.915461][T12707]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  639.915464][T12707]  vprintk_emit (kernel/printk/printk.c:2479)
[  639.915467][T12707]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  639.915470][T12707]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  639.915475][T12707]  _printk (kernel/printk/printk.c:2504)
[  639.915478][T12707]  ? snapshot_read.cold (user.c:?)
[  639.915480][T12707]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  639.915483][T12707]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  639.915486][T12707]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  639.915488][T12707]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  639.915491][T12707]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  639.915494][T12707]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.915497][T12707]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  639.915499][T12707]  ? netdev_notice (net/core/dev.c:13194)
[  639.915502][T12707]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  639.915505][T12707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  639.915508][T12707]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  639.915511][T12707]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.915513][T12707]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  639.915515][T12707]  ? register_netdev (net/core/dev.c:11618)
[  639.915517][T12707]  ? 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))
[  639.915522][T12707]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  639.915524][T12707]  ? __kernel_text_address (kernel/extable.c:79)
[  639.915527][T12707]  ? write_profile (profile.c:?)
[  639.915531][T12707]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  639.915536][T12707]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.915539][T12707]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  639.915541][T12707]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  639.915543][T12707]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  639.915545][T12707]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  639.915548][T12707]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  639.915550][T12707]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  639.915552][T12707]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  639.915554][T12707]  ? kasan_save_stack (mm/kasan/common.c:58)
[  639.915556][T12707]  ? kasan_save_stack (mm/kasan/common.c:57)
[  639.915557][T12707]  ? kasan_save_track (mm/kasan/common.c:78)
[  639.915558][T12707]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  639.915561][T12707]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  639.915562][T12707]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  639.915566][T12707]  ? ___sys_sendmsg (net/socket.c:2758)
[  639.915570][T12707]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  639.915572][T12707]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  639.915574][T12707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.915576][T12707]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.915578][T12707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.915579][T12707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.915581][T12707]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  639.915583][T12707]  ? __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)
[  639.915584][T12707]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  639.915586][T12707]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  639.915589][T12707]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  639.915590][T12707]  ? nla_get_range_signed (lib/nlattr.c:270)
[  639.915595][T12707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.915598][T12707]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  639.915603][T12707]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  639.915608][T12707]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.915610][T12707]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  639.915614][T12707]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  639.915616][T12707]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  639.915618][T12707]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.915620][T12707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  639.915623][T12707]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.915625][T12707]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  639.915629][T12707]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.915630][T12707]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  639.915634][T12707]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  639.915636][T12707]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  639.915640][T12707]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  639.915643][T12707]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.915645][T12707]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  639.915652][T12707]  ? 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))
[  639.915653][T12707]  ? 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))
[  639.915658][T12707]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  639.915662][T12707]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  639.915664][T12707]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  639.915668][T12707]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  639.915672][T12707]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  639.915676][T12707]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  639.915677][T12707]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  639.915683][T12707]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  639.915685][T12707]  ____sys_sendmsg (net/socket.c:2713)
[  639.915687][T12707]  ? copy_msghdr_from_user (net/socket.c:2650)
[  639.915690][T12707]  ? sock_write_iter (net/socket.c:1269)
[  639.915691][T12707]  ? move_addr_to_kernel (net/socket.c:258)
[  639.915698][T12707]  ___sys_sendmsg (net/socket.c:2767)
[  639.915701][T12707]  ? copy_msghdr_from_user (net/socket.c:2619)
[  639.915716][T12707]  __sys_sendmsg (net/socket.c:2799)
[  639.915719][T12707]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  639.915725][T12707]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.915728][T12707]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  639.915731][T12707]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  639.915734][T12707]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  639.915736][T12707] RIP: 0033:0x7fbc7723d54e
[  639.915740][T12707] 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
[  639.915742][T12707] RSP: 002b:00007ffe79191c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  639.915744][T12707] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbc7723d54e
[  639.915746][T12707] RDX: 0000000000000000 RSI: 00007ffe79191cb0 RDI: 0000000000000005
[  639.915747][T12707] RBP: 00007ffe79191c10 R08: 0000000000000000 R09: 0000000000000000
[  639.915748][T12707] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911244
[  639.915749][T12707] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe79192380
| [  648.501305][T12850] softirqs last disabled at (19540): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  648.501308][T12850] Preemption disabled at:
| [  648.501309][T12850] vprintk_emit (kernel/printk/printk.c:2471)
| [  648.501317][T12850] Tainted: [W]=WARN
[  648.501317][T12850] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  648.501319][T12850] Call Trace:
[  648.501321][T12850]  <TASK>
[  648.501322][T12850]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  648.501328][T12850]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  648.501330][T12850]  __might_resched.cold (kernel/sched/core.c:9234)
[  648.501334][T12850]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  648.501338][T12850]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  648.501343][T12850]  __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))
[  648.501345][T12850]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.501351][T12850]  ? 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)
[  648.501354][T12850]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.501357][T12850]  put_chars (drivers/char/virtio_console.c:1176)
[  648.501360][T12850]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  648.501366][T12850]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  648.501373][T12850]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  648.501377][T12850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.501381][T12850]  console_emit_next_record (kernel/printk/printk.c:3183)
[  648.501385][T12850]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  648.501387][T12850]  ? 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))
[  648.501390][T12850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.501393][T12850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.501397][T12850]  console_flush_one_record (kernel/printk/printk.c:3268)
[  648.501401][T12850]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  648.501403][T12850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.501408][T12850]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  648.501411][T12850]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  648.501413][T12850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.501415][T12850]  ? 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)
[  648.501418][T12850]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  648.501420][T12850]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  648.501423][T12850]  vprintk_emit (kernel/printk/printk.c:2479)
[  648.501426][T12850]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  648.501428][T12850]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  648.501434][T12850]  _printk (kernel/printk/printk.c:2504)
[  648.501437][T12850]  ? snapshot_read.cold (user.c:?)
[  648.501439][T12850]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  648.501441][T12850]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  648.501444][T12850]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  648.501446][T12850]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  648.501450][T12850]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  648.501452][T12850]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.501455][T12850]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  648.501457][T12850]  ? netdev_notice (net/core/dev.c:13194)
[  648.501460][T12850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.501463][T12850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.501470][T12850]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  648.501474][T12850]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.501476][T12850]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  648.501478][T12850]  ? register_netdev (net/core/dev.c:11618)
[  648.501480][T12850]  ? 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))
[  648.501485][T12850]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  648.501488][T12850]  ? __kernel_text_address (kernel/extable.c:79)
[  648.501490][T12850]  ? write_profile (profile.c:?)
[  648.501494][T12850]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  648.501500][T12850]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.501503][T12850]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  648.501505][T12850]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  648.501507][T12850]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  648.501508][T12850]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  648.501512][T12850]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  648.501514][T12850]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  648.501516][T12850]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  648.501518][T12850]  ? kasan_save_stack (mm/kasan/common.c:58)
[  648.501520][T12850]  ? kasan_save_stack (mm/kasan/common.c:57)
[  648.501521][T12850]  ? kasan_save_track (mm/kasan/common.c:78)
[  648.501523][T12850]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  648.501525][T12850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.501527][T12850]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  648.501530][T12850]  ? ___sys_sendmsg (net/socket.c:2758)
[  648.501534][T12850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.501536][T12850]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  648.501538][T12850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.501540][T12850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.501542][T12850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.501543][T12850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.501544][T12850]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  648.501547][T12850]  ? __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)
[  648.501548][T12850]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  648.501550][T12850]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  648.501553][T12850]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  648.501554][T12850]  ? nla_get_range_signed (lib/nlattr.c:270)
[  648.501559][T12850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.501561][T12850]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  648.501566][T12850]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  648.501571][T12850]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.501573][T12850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.501578][T12850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.501580][T12850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.501582][T12850]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.501583][T12850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.501587][T12850]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.501589][T12850]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  648.501592][T12850]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  648.501594][T12850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.501598][T12850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.501600][T12850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.501603][T12850]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  648.501606][T12850]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  648.501610][T12850]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  648.501616][T12850]  ? 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))
[  648.501618][T12850]  ? 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))
[  648.501622][T12850]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  648.501626][T12850]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  648.501629][T12850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.501633][T12850]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  648.501637][T12850]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  648.501641][T12850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.501642][T12850]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  648.501647][T12850]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  648.501650][T12850]  ____sys_sendmsg (net/socket.c:2713)
[  648.501652][T12850]  ? copy_msghdr_from_user (net/socket.c:2650)
[  648.501655][T12850]  ? sock_write_iter (net/socket.c:1269)
[  648.501656][T12850]  ? move_addr_to_kernel (net/socket.c:258)
[  648.501663][T12850]  ___sys_sendmsg (net/socket.c:2767)
[  648.501666][T12850]  ? copy_msghdr_from_user (net/socket.c:2619)
[  648.501682][T12850]  __sys_sendmsg (net/socket.c:2799)
[  648.501684][T12850]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  648.501691][T12850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.501694][T12850]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  648.501696][T12850]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  648.501699][T12850]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  648.501701][T12850] RIP: 0033:0x7f8eeb36954e
[  648.501705][T12850] 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
[  648.501707][T12850] RSP: 002b:00007fff13845610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  648.501710][T12850] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8eeb36954e
[  648.501711][T12850] RDX: 0000000000000000 RSI: 00007fff138456c0 RDI: 0000000000000005
[  648.501712][T12850] RBP: 00007fff13845620 R08: 0000000000000000 R09: 0000000000000000
[  648.501713][T12850] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91124c
[  648.501714][T12850] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff13845d90
| [  657.254338][T12993] softirqs last disabled at (25352): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  657.254341][T12993] Preemption disabled at:
| [  657.254342][T12993] vprintk_emit (kernel/printk/printk.c:2471)
| [  657.254350][T12993] Tainted: [W]=WARN
[  657.254350][T12993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  657.254352][T12993] Call Trace:
[  657.254353][T12993]  <TASK>
[  657.254355][T12993]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  657.254361][T12993]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  657.254362][T12993]  __might_resched.cold (kernel/sched/core.c:9234)
[  657.254367][T12993]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  657.254371][T12993]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  657.254375][T12993]  __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))
[  657.254377][T12993]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.254383][T12993]  ? 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)
[  657.254386][T12993]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.254390][T12993]  put_chars (drivers/char/virtio_console.c:1176)
[  657.254393][T12993]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  657.254399][T12993]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  657.254406][T12993]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  657.254409][T12993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.254414][T12993]  console_emit_next_record (kernel/printk/printk.c:3183)
[  657.254418][T12993]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  657.254420][T12993]  ? 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))
[  657.254423][T12993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.254425][T12993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.254429][T12993]  console_flush_one_record (kernel/printk/printk.c:3268)
[  657.254433][T12993]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  657.254435][T12993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.254440][T12993]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  657.254443][T12993]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  657.254445][T12993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.254447][T12993]  ? 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)
[  657.254450][T12993]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  657.254452][T12993]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  657.254455][T12993]  vprintk_emit (kernel/printk/printk.c:2479)
[  657.254458][T12993]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  657.254461][T12993]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  657.254466][T12993]  _printk (kernel/printk/printk.c:2504)
[  657.254469][T12993]  ? snapshot_read.cold (user.c:?)
[  657.254471][T12993]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  657.254473][T12993]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  657.254476][T12993]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  657.254478][T12993]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  657.254482][T12993]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  657.254484][T12993]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.254487][T12993]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  657.254489][T12993]  ? netdev_notice (net/core/dev.c:13194)
[  657.254492][T12993]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.254495][T12993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.254503][T12993]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  657.254507][T12993]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.254509][T12993]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  657.254511][T12993]  ? register_netdev (net/core/dev.c:11618)
[  657.254512][T12993]  ? 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))
[  657.254517][T12993]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  657.254520][T12993]  ? __kernel_text_address (kernel/extable.c:79)
[  657.254522][T12993]  ? write_profile (profile.c:?)
[  657.254527][T12993]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  657.254532][T12993]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.254535][T12993]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  657.254538][T12993]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  657.254539][T12993]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  657.254541][T12993]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  657.254544][T12993]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  657.254546][T12993]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  657.254548][T12993]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  657.254550][T12993]  ? kasan_save_stack (mm/kasan/common.c:58)
[  657.254552][T12993]  ? kasan_save_stack (mm/kasan/common.c:57)
[  657.254553][T12993]  ? kasan_save_track (mm/kasan/common.c:78)
[  657.254554][T12993]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  657.254557][T12993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.254559][T12993]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  657.254562][T12993]  ? ___sys_sendmsg (net/socket.c:2758)
[  657.254566][T12993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.254568][T12993]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  657.254570][T12993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.254572][T12993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.254574][T12993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.254575][T12993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.254576][T12993]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  657.254578][T12993]  ? __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)
[  657.254580][T12993]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  657.254582][T12993]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  657.254585][T12993]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  657.254586][T12993]  ? nla_get_range_signed (lib/nlattr.c:270)
[  657.254591][T12993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.254593][T12993]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  657.254598][T12993]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  657.254603][T12993]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.254605][T12993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.254610][T12993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.254612][T12993]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.254614][T12993]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.254615][T12993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.254619][T12993]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.254621][T12993]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  657.254624][T12993]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  657.254625][T12993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.254630][T12993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.254632][T12993]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.254635][T12993]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  657.254638][T12993]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  657.254641][T12993]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  657.254647][T12993]  ? 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))
[  657.254649][T12993]  ? 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))
[  657.254653][T12993]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  657.254657][T12993]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  657.254660][T12993]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.254664][T12993]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  657.254668][T12993]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  657.254671][T12993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.254673][T12993]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  657.254678][T12993]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  657.254681][T12993]  ____sys_sendmsg (net/socket.c:2713)
[  657.254683][T12993]  ? copy_msghdr_from_user (net/socket.c:2650)
[  657.254685][T12993]  ? sock_write_iter (net/socket.c:1269)
[  657.254687][T12993]  ? move_addr_to_kernel (net/socket.c:258)
[  657.254694][T12993]  ___sys_sendmsg (net/socket.c:2767)
[  657.254697][T12993]  ? copy_msghdr_from_user (net/socket.c:2619)
[  657.254713][T12993]  __sys_sendmsg (net/socket.c:2799)
[  657.254715][T12993]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  657.254721][T12993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.254724][T12993]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  657.254727][T12993]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  657.254730][T12993]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  657.254732][T12993] RIP: 0033:0x7fcd6b4cc54e
[  657.254736][T12993] 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
[  657.254737][T12993] RSP: 002b:00007fff780fcc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  657.254740][T12993] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcd6b4cc54e
[  657.254741][T12993] RDX: 0000000000000000 RSI: 00007fff780fcd00 RDI: 0000000000000005
[  657.254742][T12993] RBP: 00007fff780fcc60 R08: 0000000000000000 R09: 0000000000000000
[  657.254743][T12993] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911255
[  657.254744][T12993] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff780fd3d0
| [  667.610210][T13164] softirqs last disabled at (26920): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  667.610213][T13164] Preemption disabled at:
| [  667.610213][T13164] vprintk_emit (kernel/printk/printk.c:2471)
| [  667.610222][T13164] Tainted: [W]=WARN
[  667.610222][T13164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  667.610224][T13164] Call Trace:
[  667.610226][T13164]  <TASK>
[  667.610228][T13164]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  667.610234][T13164]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  667.610236][T13164]  __might_resched.cold (kernel/sched/core.c:9234)
[  667.610240][T13164]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  667.610245][T13164]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  667.610249][T13164]  __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))
[  667.610251][T13164]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.610258][T13164]  ? 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)
[  667.610261][T13164]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.610265][T13164]  put_chars (drivers/char/virtio_console.c:1176)
[  667.610267][T13164]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  667.610274][T13164]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  667.610281][T13164]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  667.610285][T13164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.610289][T13164]  console_emit_next_record (kernel/printk/printk.c:3183)
[  667.610294][T13164]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  667.610296][T13164]  ? 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))
[  667.610299][T13164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.610302][T13164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.610306][T13164]  console_flush_one_record (kernel/printk/printk.c:3268)
[  667.610310][T13164]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  667.610312][T13164]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.610318][T13164]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  667.610321][T13164]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  667.610323][T13164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.610325][T13164]  ? 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)
[  667.610328][T13164]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  667.610330][T13164]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  667.610333][T13164]  vprintk_emit (kernel/printk/printk.c:2479)
[  667.610336][T13164]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  667.610339][T13164]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  667.610344][T13164]  _printk (kernel/printk/printk.c:2504)
[  667.610348][T13164]  ? snapshot_read.cold (user.c:?)
[  667.610350][T13164]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  667.610352][T13164]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  667.610355][T13164]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  667.610358][T13164]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  667.610361][T13164]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  667.610364][T13164]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.610367][T13164]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  667.610370][T13164]  ? netdev_notice (net/core/dev.c:13194)
[  667.610373][T13164]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.610376][T13164]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.610378][T13164]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  667.610382][T13164]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.610384][T13164]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  667.610386][T13164]  ? register_netdev (net/core/dev.c:11618)
[  667.610388][T13164]  ? 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))
[  667.610393][T13164]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  667.610396][T13164]  ? __kernel_text_address (kernel/extable.c:79)
[  667.610399][T13164]  ? write_profile (profile.c:?)
[  667.610403][T13164]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  667.610409][T13164]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.610412][T13164]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  667.610414][T13164]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  667.610415][T13164]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  667.610417][T13164]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  667.610421][T13164]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  667.610423][T13164]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  667.610425][T13164]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  667.610427][T13164]  ? kasan_save_stack (mm/kasan/common.c:58)
[  667.610429][T13164]  ? kasan_save_stack (mm/kasan/common.c:57)
[  667.610430][T13164]  ? kasan_save_track (mm/kasan/common.c:78)
[  667.610432][T13164]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  667.610434][T13164]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.610436][T13164]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  667.610439][T13164]  ? ___sys_sendmsg (net/socket.c:2758)
[  667.610443][T13164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.610445][T13164]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  667.610448][T13164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.610450][T13164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.610452][T13164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.610453][T13164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.610454][T13164]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  667.610457][T13164]  ? __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)
[  667.610458][T13164]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  667.610460][T13164]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  667.610464][T13164]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  667.610465][T13164]  ? nla_get_range_signed (lib/nlattr.c:270)
[  667.610470][T13164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.610472][T13164]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  667.610477][T13164]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  667.610483][T13164]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.610485][T13164]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.610490][T13164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.610492][T13164]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.610494][T13164]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.610496][T13164]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.610499][T13164]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.610502][T13164]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  667.610505][T13164]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.610506][T13164]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.610511][T13164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.610513][T13164]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.610517][T13164]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  667.610520][T13164]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.610523][T13164]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  667.610530][T13164]  ? 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))
[  667.610532][T13164]  ? 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))
[  667.610541][T13164]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  667.610545][T13164]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  667.610548][T13164]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.610552][T13164]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  667.610556][T13164]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  667.610560][T13164]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.610562][T13164]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  667.610567][T13164]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  667.610570][T13164]  ____sys_sendmsg (net/socket.c:2713)
[  667.610573][T13164]  ? copy_msghdr_from_user (net/socket.c:2650)
[  667.610575][T13164]  ? sock_write_iter (net/socket.c:1269)
[  667.610577][T13164]  ? move_addr_to_kernel (net/socket.c:258)
[  667.610584][T13164]  ___sys_sendmsg (net/socket.c:2767)
[  667.610587][T13164]  ? copy_msghdr_from_user (net/socket.c:2619)
[  667.610604][T13164]  __sys_sendmsg (net/socket.c:2799)
[  667.610606][T13164]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  667.610613][T13164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.610616][T13164]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  667.610619][T13164]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  667.610622][T13164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.610624][T13164] RIP: 0033:0x7f56f157b54e
[  667.610628][T13164] 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
[  667.610630][T13164] RSP: 002b:00007ffebe0d4590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  667.610633][T13164] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f56f157b54e
[  667.610634][T13164] RDX: 0000000000000000 RSI: 00007ffebe0d4640 RDI: 0000000000000005
[  667.610635][T13164] RBP: 00007ffebe0d45a0 R08: 0000000000000000 R09: 0000000000000000
[  667.610636][T13164] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91125f
[  667.610637][T13164] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebe0d4d10
| [  677.903427][T13335] softirqs last disabled at (18870): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  677.903430][T13335] Preemption disabled at:
| [  677.903431][T13335] vprintk_emit (kernel/printk/printk.c:2471)
| [  677.903440][T13335] Tainted: [W]=WARN
[  677.903441][T13335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  677.903442][T13335] Call Trace:
[  677.903444][T13335]  <TASK>
[  677.903445][T13335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  677.903452][T13335]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  677.903453][T13335]  __might_resched.cold (kernel/sched/core.c:9234)
[  677.903458][T13335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  677.903462][T13335]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  677.903467][T13335]  __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))
[  677.903469][T13335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  677.903476][T13335]  ? 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)
[  677.903479][T13335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  677.903483][T13335]  put_chars (drivers/char/virtio_console.c:1176)
[  677.903485][T13335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  677.903492][T13335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  677.903500][T13335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  677.903503][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.903508][T13335]  console_emit_next_record (kernel/printk/printk.c:3183)
[  677.903512][T13335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  677.903514][T13335]  ? 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))
[  677.903518][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.903520][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.903525][T13335]  console_flush_one_record (kernel/printk/printk.c:3268)
[  677.903529][T13335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  677.903531][T13335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  677.903537][T13335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  677.903540][T13335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  677.903542][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.903543][T13335]  ? 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)
[  677.903547][T13335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  677.903549][T13335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  677.903552][T13335]  vprintk_emit (kernel/printk/printk.c:2479)
[  677.903555][T13335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  677.903558][T13335]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  677.903563][T13335]  _printk (kernel/printk/printk.c:2504)
[  677.903567][T13335]  ? snapshot_read.cold (user.c:?)
[  677.903568][T13335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  677.903575][T13335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  677.903578][T13335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  677.903581][T13335]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  677.903584][T13335]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  677.903587][T13335]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.903590][T13335]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  677.903593][T13335]  ? netdev_notice (net/core/dev.c:13194)
[  677.903596][T13335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  677.903599][T13335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  677.903602][T13335]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  677.903605][T13335]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.903607][T13335]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  677.903610][T13335]  ? register_netdev (net/core/dev.c:11618)
[  677.903611][T13335]  ? 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))
[  677.903616][T13335]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  677.903619][T13335]  ? __kernel_text_address (kernel/extable.c:79)
[  677.903622][T13335]  ? write_profile (profile.c:?)
[  677.903626][T13335]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  677.903632][T13335]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.903635][T13335]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  677.903638][T13335]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  677.903639][T13335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  677.903641][T13335]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  677.903644][T13335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  677.903646][T13335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  677.903648][T13335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  677.903651][T13335]  ? kasan_save_stack (mm/kasan/common.c:58)
[  677.903653][T13335]  ? kasan_save_stack (mm/kasan/common.c:57)
[  677.903654][T13335]  ? kasan_save_track (mm/kasan/common.c:78)
[  677.903655][T13335]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  677.903658][T13335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  677.903660][T13335]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  677.903663][T13335]  ? ___sys_sendmsg (net/socket.c:2758)
[  677.903667][T13335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  677.903669][T13335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  677.903672][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.903673][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.903675][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.903676][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.903678][T13335]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  677.903681][T13335]  ? __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)
[  677.903682][T13335]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  677.903684][T13335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  677.903687][T13335]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  677.903689][T13335]  ? nla_get_range_signed (lib/nlattr.c:270)
[  677.903694][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.903696][T13335]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  677.903701][T13335]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  677.903707][T13335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.903709][T13335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  677.903714][T13335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  677.903716][T13335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  677.903718][T13335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.903720][T13335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  677.903723][T13335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.903725][T13335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  677.903729][T13335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  677.903730][T13335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  677.903735][T13335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  677.903737][T13335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  677.903740][T13335]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  677.903744][T13335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  677.903747][T13335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  677.903753][T13335]  ? 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))
[  677.903755][T13335]  ? 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))
[  677.903760][T13335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  677.903764][T13335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  677.903767][T13335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  677.903771][T13335]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  677.903775][T13335]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  677.903779][T13335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  677.903781][T13335]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  677.903786][T13335]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  677.903789][T13335]  ____sys_sendmsg (net/socket.c:2713)
[  677.903791][T13335]  ? copy_msghdr_from_user (net/socket.c:2650)
[  677.903797][T13335]  ? sock_write_iter (net/socket.c:1269)
[  677.903798][T13335]  ? move_addr_to_kernel (net/socket.c:258)
[  677.903806][T13335]  ___sys_sendmsg (net/socket.c:2767)
[  677.903809][T13335]  ? copy_msghdr_from_user (net/socket.c:2619)
[  677.903825][T13335]  __sys_sendmsg (net/socket.c:2799)
[  677.903828][T13335]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  677.903834][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.903837][T13335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  677.903840][T13335]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  677.903843][T13335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  677.903845][T13335] RIP: 0033:0x7f7e787f554e
[  677.903849][T13335] 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
[  677.903851][T13335] RSP: 002b:00007ffca27aef10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  677.903854][T13335] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7e787f554e
[  677.903855][T13335] RDX: 0000000000000000 RSI: 00007ffca27aefc0 RDI: 0000000000000005
[  677.903856][T13335] RBP: 00007ffca27aef20 R08: 0000000000000000 R09: 0000000000000000
[  677.903857][T13335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91126a
[  677.903858][T13335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca27af690
| [  688.053349][T13506] softirqs last disabled at (23832): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  688.053352][T13506] Preemption disabled at:
| [  688.053352][T13506] vprintk_emit (kernel/printk/printk.c:2471)
| [  688.053360][T13506] Tainted: [W]=WARN
[  688.053361][T13506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  688.053362][T13506] Call Trace:
[  688.053364][T13506]  <TASK>
[  688.053366][T13506]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  688.053372][T13506]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  688.053373][T13506]  __might_resched.cold (kernel/sched/core.c:9234)
[  688.053378][T13506]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  688.053382][T13506]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  688.053386][T13506]  __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))
[  688.053388][T13506]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.053394][T13506]  ? 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)
[  688.053397][T13506]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.053401][T13506]  put_chars (drivers/char/virtio_console.c:1176)
[  688.053403][T13506]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  688.053409][T13506]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  688.053417][T13506]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  688.053420][T13506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.053424][T13506]  console_emit_next_record (kernel/printk/printk.c:3183)
[  688.053428][T13506]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  688.053430][T13506]  ? 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))
[  688.053433][T13506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.053436][T13506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.053440][T13506]  console_flush_one_record (kernel/printk/printk.c:3268)
[  688.053444][T13506]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  688.053446][T13506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.053451][T13506]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  688.053454][T13506]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  688.053456][T13506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.053457][T13506]  ? 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)
[  688.053461][T13506]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  688.053463][T13506]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  688.053465][T13506]  vprintk_emit (kernel/printk/printk.c:2479)
[  688.053468][T13506]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  688.053471][T13506]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  688.053476][T13506]  _printk (kernel/printk/printk.c:2504)
[  688.053480][T13506]  ? snapshot_read.cold (user.c:?)
[  688.053481][T13506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  688.053484][T13506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  688.053486][T13506]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  688.053488][T13506]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  688.053492][T13506]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  688.053495][T13506]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.053497][T13506]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  688.053500][T13506]  ? netdev_notice (net/core/dev.c:13194)
[  688.053502][T13506]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.053506][T13506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.053508][T13506]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  688.053511][T13506]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.053513][T13506]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  688.053515][T13506]  ? register_netdev (net/core/dev.c:11618)
[  688.053517][T13506]  ? 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))
[  688.053522][T13506]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  688.053524][T13506]  ? __kernel_text_address (kernel/extable.c:79)
[  688.053527][T13506]  ? write_profile (profile.c:?)
[  688.053531][T13506]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  688.053537][T13506]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.053540][T13506]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  688.053542][T13506]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  688.053543][T13506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  688.053545][T13506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  688.053548][T13506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  688.053550][T13506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  688.053552][T13506]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  688.053554][T13506]  ? kasan_save_stack (mm/kasan/common.c:58)
[  688.053556][T13506]  ? kasan_save_stack (mm/kasan/common.c:57)
[  688.053557][T13506]  ? kasan_save_track (mm/kasan/common.c:78)
[  688.053558][T13506]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  688.053561][T13506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.053563][T13506]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  688.053566][T13506]  ? ___sys_sendmsg (net/socket.c:2758)
[  688.053570][T13506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.053572][T13506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  688.053574][T13506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.053576][T13506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.053577][T13506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.053579][T13506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.053580][T13506]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  688.053582][T13506]  ? __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)
[  688.053583][T13506]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  688.053585][T13506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  688.053588][T13506]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  688.053590][T13506]  ? nla_get_range_signed (lib/nlattr.c:270)
[  688.053594][T13506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.053597][T13506]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  688.053602][T13506]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  688.053607][T13506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.053612][T13506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.053617][T13506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.053618][T13506]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.053620][T13506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.053622][T13506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.053626][T13506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.053628][T13506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  688.053631][T13506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.053632][T13506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.053636][T13506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.053638][T13506]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.053642][T13506]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  688.053645][T13506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.053648][T13506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  688.053654][T13506]  ? 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))
[  688.053656][T13506]  ? 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))
[  688.053660][T13506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  688.053664][T13506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  688.053667][T13506]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.053671][T13506]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  688.053675][T13506]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  688.053678][T13506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.053680][T13506]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  688.053685][T13506]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  688.053688][T13506]  ____sys_sendmsg (net/socket.c:2713)
[  688.053690][T13506]  ? copy_msghdr_from_user (net/socket.c:2650)
[  688.053692][T13506]  ? sock_write_iter (net/socket.c:1269)
[  688.053694][T13506]  ? move_addr_to_kernel (net/socket.c:258)
[  688.053701][T13506]  ___sys_sendmsg (net/socket.c:2767)
[  688.053704][T13506]  ? copy_msghdr_from_user (net/socket.c:2619)
[  688.053719][T13506]  __sys_sendmsg (net/socket.c:2799)
[  688.053722][T13506]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  688.053728][T13506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.053731][T13506]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  688.053733][T13506]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  688.053736][T13506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.053739][T13506] RIP: 0033:0x7faac4b7854e
[  688.053742][T13506] 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
[  688.053744][T13506] RSP: 002b:00007fffdcbc9c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  688.053747][T13506] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faac4b7854e
[  688.053748][T13506] RDX: 0000000000000000 RSI: 00007fffdcbc9d00 RDI: 0000000000000005
[  688.053749][T13506] RBP: 00007fffdcbc9c60 R08: 0000000000000000 R09: 0000000000000000
[  688.053750][T13506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911274
[  688.053751][T13506] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdcbca3d0
| [  698.151295][T13678] softirqs last disabled at (16754): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  698.151298][T13678] Preemption disabled at:
| [  698.151299][T13678] vprintk_emit (kernel/printk/printk.c:2471)
| [  698.151307][T13678] Tainted: [W]=WARN
[  698.151307][T13678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  698.151309][T13678] Call Trace:
[  698.151311][T13678]  <TASK>
[  698.151312][T13678]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  698.151318][T13678]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  698.151319][T13678]  __might_resched.cold (kernel/sched/core.c:9234)
[  698.151324][T13678]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  698.151328][T13678]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  698.151333][T13678]  __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))
[  698.151335][T13678]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.151341][T13678]  ? 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)
[  698.151344][T13678]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.151348][T13678]  put_chars (drivers/char/virtio_console.c:1176)
[  698.151350][T13678]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  698.151356][T13678]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  698.151363][T13678]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  698.151367][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.151371][T13678]  console_emit_next_record (kernel/printk/printk.c:3183)
[  698.151375][T13678]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  698.151377][T13678]  ? 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))
[  698.151380][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.151383][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.151387][T13678]  console_flush_one_record (kernel/printk/printk.c:3268)
[  698.151391][T13678]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  698.151393][T13678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.151398][T13678]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  698.151400][T13678]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  698.151402][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.151404][T13678]  ? 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)
[  698.151408][T13678]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  698.151409][T13678]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  698.151412][T13678]  vprintk_emit (kernel/printk/printk.c:2479)
[  698.151415][T13678]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  698.151418][T13678]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  698.151423][T13678]  _printk (kernel/printk/printk.c:2504)
[  698.151426][T13678]  ? snapshot_read.cold (user.c:?)
[  698.151428][T13678]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  698.151430][T13678]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  698.151433][T13678]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  698.151435][T13678]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  698.151439][T13678]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  698.151442][T13678]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.151444][T13678]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  698.151447][T13678]  ? netdev_notice (net/core/dev.c:13194)
[  698.151450][T13678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.151453][T13678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.151455][T13678]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  698.151458][T13678]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.151460][T13678]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  698.151463][T13678]  ? register_netdev (net/core/dev.c:11618)
[  698.151464][T13678]  ? 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))
[  698.151469][T13678]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  698.151472][T13678]  ? __kernel_text_address (kernel/extable.c:79)
[  698.151474][T13678]  ? write_profile (profile.c:?)
[  698.151478][T13678]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  698.151484][T13678]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.151487][T13678]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  698.151489][T13678]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  698.151491][T13678]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  698.151492][T13678]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  698.151496][T13678]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  698.151498][T13678]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  698.151499][T13678]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  698.151502][T13678]  ? kasan_save_stack (mm/kasan/common.c:58)
[  698.151504][T13678]  ? kasan_save_stack (mm/kasan/common.c:57)
[  698.151505][T13678]  ? kasan_save_track (mm/kasan/common.c:78)
[  698.151506][T13678]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  698.151508][T13678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.151510][T13678]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  698.151513][T13678]  ? ___sys_sendmsg (net/socket.c:2758)
[  698.151517][T13678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.151519][T13678]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  698.151522][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.151523][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.151525][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.151526][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.151528][T13678]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  698.151530][T13678]  ? __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)
[  698.151531][T13678]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  698.151533][T13678]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  698.151536][T13678]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  698.151537][T13678]  ? nla_get_range_signed (lib/nlattr.c:270)
[  698.151542][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.151544][T13678]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  698.151549][T13678]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.151554][T13678]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.151556][T13678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.151561][T13678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.151563][T13678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.151564][T13678]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.151566][T13678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.151570][T13678]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.151572][T13678]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.151575][T13678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.151576][T13678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.151581][T13678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.151583][T13678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.151586][T13678]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.151589][T13678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.151592][T13678]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  698.151598][T13678]  ? 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))
[  698.151600][T13678]  ? 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))
[  698.151604][T13678]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.151608][T13678]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  698.151611][T13678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.151615][T13678]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.151619][T13678]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  698.151622][T13678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.151624][T13678]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  698.151629][T13678]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.151632][T13678]  ____sys_sendmsg (net/socket.c:2713)
[  698.151634][T13678]  ? copy_msghdr_from_user (net/socket.c:2650)
[  698.151636][T13678]  ? sock_write_iter (net/socket.c:1269)
[  698.151638][T13678]  ? move_addr_to_kernel (net/socket.c:258)
[  698.151652][T13678]  ___sys_sendmsg (net/socket.c:2767)
[  698.151654][T13678]  ? copy_msghdr_from_user (net/socket.c:2619)
[  698.151670][T13678]  __sys_sendmsg (net/socket.c:2799)
[  698.151672][T13678]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  698.151679][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.151682][T13678]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.151685][T13678]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  698.151688][T13678]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.151690][T13678] RIP: 0033:0x7fc7a180554e
[  698.151693][T13678] 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
[  698.151696][T13678] RSP: 002b:00007ffc10766410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  698.151698][T13678] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc7a180554e
[  698.151700][T13678] RDX: 0000000000000000 RSI: 00007ffc107664c0 RDI: 0000000000000005
[  698.151701][T13678] RBP: 00007ffc10766420 R08: 0000000000000000 R09: 0000000000000000
[  698.151702][T13678] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91127e
[  698.151703][T13678] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc10766b90
| [  708.227346][T13849] softirqs last disabled at (19316): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  708.227348][T13849] Preemption disabled at:
| [  708.227349][T13849] vprintk_emit (kernel/printk/printk.c:2471)
| [  708.227357][T13849] Tainted: [W]=WARN
[  708.227358][T13849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  708.227360][T13849] Call Trace:
[  708.227361][T13849]  <TASK>
[  708.227363][T13849]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  708.227368][T13849]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  708.227370][T13849]  __might_resched.cold (kernel/sched/core.c:9234)
[  708.227374][T13849]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  708.227379][T13849]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  708.227383][T13849]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  708.227385][T13849]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.227391][T13849]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  708.227394][T13849]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.227398][T13849]  put_chars (drivers/char/virtio_console.c:1176)
[  708.227400][T13849]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  708.227407][T13849]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  708.227414][T13849]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  708.227417][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.227422][T13849]  console_emit_next_record (kernel/printk/printk.c:3183)
[  708.227426][T13849]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  708.227428][T13849]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  708.227431][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.227434][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.227438][T13849]  console_flush_one_record (kernel/printk/printk.c:3268)
[  708.227442][T13849]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  708.227444][T13849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  708.227450][T13849]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  708.227452][T13849]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  708.227454][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.227456][T13849]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  708.227460][T13849]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  708.227461][T13849]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  708.227464][T13849]  vprintk_emit (kernel/printk/printk.c:2479)
[  708.227467][T13849]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  708.227470][T13849]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  708.227475][T13849]  _printk (kernel/printk/printk.c:2504)
[  708.227478][T13849]  ? snapshot_read.cold (user.c:?)
[  708.227480][T13849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  708.227483][T13849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  708.227485][T13849]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  708.227488][T13849]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  708.227491][T13849]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  708.227494][T13849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.227496][T13849]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  708.227499][T13849]  ? netdev_notice (net/core/dev.c:13194)
[  708.227502][T13849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  708.227506][T13849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  708.227508][T13849]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  708.227511][T13849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.227514][T13849]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  708.227516][T13849]  ? register_netdev (net/core/dev.c:11618)
[  708.227517][T13849]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  708.227522][T13849]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  708.227525][T13849]  ? __kernel_text_address (kernel/extable.c:79)
[  708.227527][T13849]  ? write_profile (profile.c:?)
[  708.227531][T13849]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  708.227537][T13849]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.227540][T13849]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  708.227542][T13849]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  708.227544][T13849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  708.227546][T13849]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  708.227549][T13849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  708.227551][T13849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  708.227553][T13849]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  708.227555][T13849]  ? kasan_save_stack (mm/kasan/common.c:58)
[  708.227557][T13849]  ? kasan_save_stack (mm/kasan/common.c:57)
[  708.227558][T13849]  ? kasan_save_track (mm/kasan/common.c:78)
[  708.227560][T13849]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  708.227562][T13849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  708.227564][T13849]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  708.227567][T13849]  ? ___sys_sendmsg (net/socket.c:2758)
[  708.227571][T13849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  708.227573][T13849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  708.227575][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.227577][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.227579][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.227580][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.227581][T13849]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  708.227584][T13849]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  708.227585][T13849]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  708.227587][T13849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  708.227590][T13849]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  708.227591][T13849]  ? nla_get_range_signed (lib/nlattr.c:270)
[  708.227596][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.227598][T13849]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  708.227603][T13849]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  708.227609][T13849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.227611][T13849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  708.227615][T13849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  708.227617][T13849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  708.227619][T13849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.227621][T13849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  708.227625][T13849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.227627][T13849]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  708.227630][T13849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.227631][T13849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  708.227636][T13849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  708.227638][T13849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  708.227641][T13849]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  708.227644][T13849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.227647][T13849]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  708.227654][T13849]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  708.227656][T13849]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  708.227660][T13849]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  708.227664][T13849]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  708.227667][T13849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  708.227671][T13849]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  708.227675][T13849]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  708.227679][T13849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  708.227680][T13849]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  708.227689][T13849]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  708.227692][T13849]  ____sys_sendmsg (net/socket.c:2713)
[  708.227694][T13849]  ? copy_msghdr_from_user (net/socket.c:2650)
[  708.227696][T13849]  ? sock_write_iter (net/socket.c:1269)
[  708.227698][T13849]  ? move_addr_to_kernel (net/socket.c:258)
[  708.227705][T13849]  ___sys_sendmsg (net/socket.c:2767)
[  708.227708][T13849]  ? copy_msghdr_from_user (net/socket.c:2619)
[  708.227723][T13849]  __sys_sendmsg (net/socket.c:2799)
[  708.227726][T13849]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  708.227731][T13849]  ? 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)
[  708.227735][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.227738][T13849]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  708.227741][T13849]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  708.227744][T13849]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.227746][T13849] RIP: 0033:0x7f3e0d20954e
[  708.227749][T13849] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  708.227751][T13849] RSP: 002b:00007ffcce9287c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  708.227754][T13849] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3e0d20954e
[  708.227756][T13849] RDX: 0000000000000000 RSI: 00007ffcce928870 RDI: 0000000000000005
[  708.227757][T13849] RBP: 00007ffcce9287d0 R08: 0000000000000000 R09: 0000000000000000
[  708.227758][T13849] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911288
[  708.227758][T13849] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcce928f40
| [  718.304504][T14020] softirqs last disabled at (18320): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  718.304506][T14020] Preemption disabled at:
| [  718.304507][T14020] vprintk_emit (kernel/printk/printk.c:2471)
| [  718.304515][T14020] Tainted: [W]=WARN
[  718.304516][T14020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  718.304517][T14020] Call Trace:
[  718.304519][T14020]  <TASK>
[  718.304520][T14020]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  718.304526][T14020]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  718.304527][T14020]  __might_resched.cold (kernel/sched/core.c:9234)
[  718.304532][T14020]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  718.304536][T14020]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  718.304541][T14020]  __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))
[  718.304543][T14020]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  718.304549][T14020]  ? 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)
[  718.304552][T14020]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  718.304556][T14020]  put_chars (drivers/char/virtio_console.c:1176)
[  718.304558][T14020]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  718.304565][T14020]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  718.304572][T14020]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  718.304575][T14020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.304580][T14020]  console_emit_next_record (kernel/printk/printk.c:3183)
[  718.304584][T14020]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  718.304586][T14020]  ? 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))
[  718.304589][T14020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.304592][T14020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.304596][T14020]  console_flush_one_record (kernel/printk/printk.c:3268)
[  718.304600][T14020]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  718.304602][T14020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  718.304608][T14020]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  718.304611][T14020]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  718.304612][T14020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.304614][T14020]  ? 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)
[  718.304618][T14020]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  718.304620][T14020]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  718.304622][T14020]  vprintk_emit (kernel/printk/printk.c:2479)
[  718.304625][T14020]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  718.304628][T14020]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  718.304633][T14020]  _printk (kernel/printk/printk.c:2504)
[  718.304636][T14020]  ? snapshot_read.cold (user.c:?)
[  718.304638][T14020]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  718.304641][T14020]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  718.304643][T14020]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  718.304645][T14020]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  718.304649][T14020]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  718.304652][T14020]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.304654][T14020]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  718.304657][T14020]  ? netdev_notice (net/core/dev.c:13194)
[  718.304660][T14020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  718.304663][T14020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  718.304666][T14020]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  718.304669][T14020]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.304671][T14020]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  718.304673][T14020]  ? register_netdev (net/core/dev.c:11618)
[  718.304675][T14020]  ? 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))
[  718.304680][T14020]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  718.304683][T14020]  ? __kernel_text_address (kernel/extable.c:79)
[  718.304685][T14020]  ? write_profile (profile.c:?)
[  718.304689][T14020]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  718.304695][T14020]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.304698][T14020]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  718.304700][T14020]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  718.304702][T14020]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  718.304703][T14020]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  718.304707][T14020]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  718.304709][T14020]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  718.304710][T14020]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  718.304713][T14020]  ? kasan_save_stack (mm/kasan/common.c:58)
[  718.304715][T14020]  ? kasan_save_stack (mm/kasan/common.c:57)
[  718.304716][T14020]  ? kasan_save_track (mm/kasan/common.c:78)
[  718.304717][T14020]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  718.304724][T14020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  718.304726][T14020]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  718.304729][T14020]  ? ___sys_sendmsg (net/socket.c:2758)
[  718.304733][T14020]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  718.304735][T14020]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  718.304737][T14020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.304739][T14020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.304741][T14020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.304742][T14020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.304743][T14020]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  718.304746][T14020]  ? __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)
[  718.304747][T14020]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  718.304749][T14020]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  718.304752][T14020]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  718.304753][T14020]  ? nla_get_range_signed (lib/nlattr.c:270)
[  718.304758][T14020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.304760][T14020]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  718.304765][T14020]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  718.304770][T14020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  718.304772][T14020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  718.304777][T14020]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  718.304778][T14020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  718.304780][T14020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  718.304782][T14020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  718.304786][T14020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  718.304788][T14020]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  718.304791][T14020]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  718.304792][T14020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  718.304800][T14020]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  718.304801][T14020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  718.304805][T14020]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  718.304808][T14020]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  718.304811][T14020]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  718.304817][T14020]  ? 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))
[  718.304819][T14020]  ? 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))
[  718.304823][T14020]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  718.304827][T14020]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  718.304830][T14020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  718.304834][T14020]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  718.304838][T14020]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  718.304842][T14020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  718.304843][T14020]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  718.304848][T14020]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  718.304851][T14020]  ____sys_sendmsg (net/socket.c:2713)
[  718.304853][T14020]  ? copy_msghdr_from_user (net/socket.c:2650)
[  718.304856][T14020]  ? sock_write_iter (net/socket.c:1269)
[  718.304857][T14020]  ? move_addr_to_kernel (net/socket.c:258)
[  718.304864][T14020]  ___sys_sendmsg (net/socket.c:2767)
[  718.304867][T14020]  ? copy_msghdr_from_user (net/socket.c:2619)
[  718.304883][T14020]  __sys_sendmsg (net/socket.c:2799)
[  718.304885][T14020]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  718.304891][T14020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.304894][T14020]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  718.304897][T14020]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  718.304900][T14020]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  718.304902][T14020] RIP: 0033:0x7f193e2f654e
[  718.304906][T14020] 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
[  718.304908][T14020] RSP: 002b:00007ffc388ffa30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  718.304911][T14020] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f193e2f654e
[  718.304912][T14020] RDX: 0000000000000000 RSI: 00007ffc388ffae0 RDI: 0000000000000005
[  718.304913][T14020] RBP: 00007ffc388ffa40 R08: 0000000000000000 R09: 0000000000000000
[  718.304914][T14020] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911292
[  718.304915][T14020] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc389001b0
| [  728.623548][T14190] softirqs last disabled at (18392): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  728.623551][T14190] Preemption disabled at:
| [  728.623552][T14190] vprintk_emit (kernel/printk/printk.c:2471)
| [  728.623560][T14190] Tainted: [W]=WARN
[  728.623560][T14190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  728.623562][T14190] Call Trace:
[  728.623564][T14190]  <TASK>
[  728.623565][T14190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  728.623571][T14190]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  728.623573][T14190]  __might_resched.cold (kernel/sched/core.c:9234)
[  728.623577][T14190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  728.623581][T14190]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  728.623586][T14190]  __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))
[  728.623588][T14190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  728.623594][T14190]  ? 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)
[  728.623597][T14190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  728.623601][T14190]  put_chars (drivers/char/virtio_console.c:1176)
[  728.623604][T14190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  728.623610][T14190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  728.623618][T14190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  728.623621][T14190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.623626][T14190]  console_emit_next_record (kernel/printk/printk.c:3183)
[  728.623630][T14190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  728.623632][T14190]  ? 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))
[  728.623635][T14190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.623638][T14190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.623642][T14190]  console_flush_one_record (kernel/printk/printk.c:3268)
[  728.623647][T14190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  728.623649][T14190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  728.623654][T14190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  728.623657][T14190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  728.623659][T14190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.623661][T14190]  ? 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)
[  728.623665][T14190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  728.623666][T14190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  728.623669][T14190]  vprintk_emit (kernel/printk/printk.c:2479)
[  728.623672][T14190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  728.623675][T14190]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  728.623680][T14190]  _printk (kernel/printk/printk.c:2504)
[  728.623684][T14190]  ? snapshot_read.cold (user.c:?)
[  728.623686][T14190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  728.623689][T14190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  728.623691][T14190]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  728.623694][T14190]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  728.623697][T14190]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  728.623700][T14190]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  728.623703][T14190]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  728.623706][T14190]  ? netdev_notice (net/core/dev.c:13194)
[  728.623708][T14190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  728.623712][T14190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  728.623714][T14190]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  728.623718][T14190]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  728.623720][T14190]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  728.623723][T14190]  ? register_netdev (net/core/dev.c:11618)
[  728.623724][T14190]  ? 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))
[  728.623730][T14190]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  728.623732][T14190]  ? __kernel_text_address (kernel/extable.c:79)
[  728.623735][T14190]  ? write_profile (profile.c:?)
[  728.623739][T14190]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  728.623745][T14190]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  728.623749][T14190]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  728.623751][T14190]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  728.623752][T14190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  728.623754][T14190]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  728.623763][T14190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  728.623765][T14190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  728.623767][T14190]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  728.623770][T14190]  ? kasan_save_stack (mm/kasan/common.c:58)
[  728.623772][T14190]  ? kasan_save_stack (mm/kasan/common.c:57)
[  728.623774][T14190]  ? kasan_save_track (mm/kasan/common.c:78)
[  728.623775][T14190]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  728.623778][T14190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  728.623780][T14190]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  728.623783][T14190]  ? ___sys_sendmsg (net/socket.c:2758)
[  728.623787][T14190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  728.623789][T14190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  728.623792][T14190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.623797][T14190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.623798][T14190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.623800][T14190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.623801][T14190]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  728.623804][T14190]  ? __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)
[  728.623805][T14190]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  728.623807][T14190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  728.623811][T14190]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  728.623812][T14190]  ? nla_get_range_signed (lib/nlattr.c:270)
[  728.623817][T14190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.623820][T14190]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  728.623825][T14190]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  728.623830][T14190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  728.623832][T14190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  728.623837][T14190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  728.623839][T14190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  728.623841][T14190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  728.623843][T14190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  728.623847][T14190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  728.623849][T14190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  728.623853][T14190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  728.623854][T14190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  728.623859][T14190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  728.623861][T14190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  728.623864][T14190]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  728.623867][T14190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  728.623870][T14190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  728.623877][T14190]  ? 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))
[  728.623879][T14190]  ? 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))
[  728.623884][T14190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  728.623888][T14190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  728.623891][T14190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  728.623895][T14190]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  728.623899][T14190]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  728.623903][T14190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  728.623905][T14190]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  728.623910][T14190]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  728.623913][T14190]  ____sys_sendmsg (net/socket.c:2713)
[  728.623916][T14190]  ? copy_msghdr_from_user (net/socket.c:2650)
[  728.623918][T14190]  ? sock_write_iter (net/socket.c:1269)
[  728.623920][T14190]  ? move_addr_to_kernel (net/socket.c:258)
[  728.623927][T14190]  ___sys_sendmsg (net/socket.c:2767)
[  728.623930][T14190]  ? copy_msghdr_from_user (net/socket.c:2619)
[  728.623947][T14190]  __sys_sendmsg (net/socket.c:2799)
[  728.623949][T14190]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  728.623956][T14190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.623959][T14190]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  728.623962][T14190]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  728.623965][T14190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  728.623968][T14190] RIP: 0033:0x7fc5abf0654e
[  728.623971][T14190] 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
[  728.623973][T14190] RSP: 002b:00007ffeaad44290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  728.623976][T14190] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc5abf0654e
[  728.623978][T14190] RDX: 0000000000000000 RSI: 00007ffeaad44340 RDI: 0000000000000005
[  728.623979][T14190] RBP: 00007ffeaad442a0 R08: 0000000000000000 R09: 0000000000000000
[  728.623980][T14190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91129c
[  728.623981][T14190] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaad44a10
| [  738.965549][T14360] softirqs last disabled at (26754): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  738.965551][T14360] Preemption disabled at:
| [  738.965552][T14360] vprintk_emit (kernel/printk/printk.c:2471)
| [  738.965560][T14360] Tainted: [W]=WARN
[  738.965561][T14360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  738.965563][T14360] Call Trace:
[  738.965565][T14360]  <TASK>
[  738.965566][T14360]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  738.965572][T14360]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  738.965574][T14360]  __might_resched.cold (kernel/sched/core.c:9234)
[  738.965578][T14360]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  738.965583][T14360]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  738.965587][T14360]  __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))
[  738.965589][T14360]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  738.965595][T14360]  ? 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)
[  738.965598][T14360]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  738.965602][T14360]  put_chars (drivers/char/virtio_console.c:1176)
[  738.965604][T14360]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  738.965610][T14360]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  738.965618][T14360]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  738.965621][T14360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  738.965625][T14360]  console_emit_next_record (kernel/printk/printk.c:3183)
[  738.965629][T14360]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  738.965631][T14360]  ? 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))
[  738.965635][T14360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.965638][T14360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  738.965641][T14360]  console_flush_one_record (kernel/printk/printk.c:3268)
[  738.965646][T14360]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  738.965648][T14360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  738.965653][T14360]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  738.965656][T14360]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  738.965658][T14360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.965660][T14360]  ? 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)
[  738.965663][T14360]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  738.965665][T14360]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  738.965668][T14360]  vprintk_emit (kernel/printk/printk.c:2479)
[  738.965671][T14360]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  738.965674][T14360]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  738.965679][T14360]  _printk (kernel/printk/printk.c:2504)
[  738.965682][T14360]  ? snapshot_read.cold (user.c:?)
[  738.965684][T14360]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  738.965686][T14360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  738.965689][T14360]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  738.965691][T14360]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  738.965695][T14360]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  738.965698][T14360]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  738.965700][T14360]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  738.965703][T14360]  ? netdev_notice (net/core/dev.c:13194)
[  738.965706][T14360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  738.965709][T14360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  738.965712][T14360]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  738.965715][T14360]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  738.965717][T14360]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  738.965719][T14360]  ? register_netdev (net/core/dev.c:11618)
[  738.965721][T14360]  ? 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))
[  738.965726][T14360]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  738.965729][T14360]  ? __kernel_text_address (kernel/extable.c:79)
[  738.965731][T14360]  ? write_profile (profile.c:?)
[  738.965735][T14360]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  738.965741][T14360]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  738.965744][T14360]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  738.965747][T14360]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  738.965748][T14360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  738.965750][T14360]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  738.965753][T14360]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  738.965755][T14360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  738.965757][T14360]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  738.965759][T14360]  ? kasan_save_stack (mm/kasan/common.c:58)
[  738.965761][T14360]  ? kasan_save_stack (mm/kasan/common.c:57)
[  738.965763][T14360]  ? kasan_save_track (mm/kasan/common.c:78)
[  738.965764][T14360]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  738.965766][T14360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  738.965768][T14360]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  738.965771][T14360]  ? ___sys_sendmsg (net/socket.c:2758)
[  738.965775][T14360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  738.965777][T14360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  738.965780][T14360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.965782][T14360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  738.965783][T14360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.965785][T14360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.965786][T14360]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  738.965788][T14360]  ? __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)
[  738.965790][T14360]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  738.965792][T14360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  738.965799][T14360]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  738.965801][T14360]  ? nla_get_range_signed (lib/nlattr.c:270)
[  738.965806][T14360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.965808][T14360]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  738.965813][T14360]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  738.965818][T14360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  738.965820][T14360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  738.965825][T14360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  738.965827][T14360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  738.965829][T14360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  738.965831][T14360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  738.965834][T14360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  738.965836][T14360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  738.965840][T14360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  738.965841][T14360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  738.965845][T14360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  738.965847][T14360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  738.965851][T14360]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  738.965854][T14360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  738.965857][T14360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  738.965863][T14360]  ? 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))
[  738.965866][T14360]  ? 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))
[  738.965870][T14360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  738.965874][T14360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  738.965877][T14360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  738.965881][T14360]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  738.965885][T14360]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  738.965889][T14360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  738.965890][T14360]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  738.965895][T14360]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  738.965898][T14360]  ____sys_sendmsg (net/socket.c:2713)
[  738.965900][T14360]  ? copy_msghdr_from_user (net/socket.c:2650)
[  738.965903][T14360]  ? sock_write_iter (net/socket.c:1269)
[  738.965904][T14360]  ? move_addr_to_kernel (net/socket.c:258)
[  738.965912][T14360]  ___sys_sendmsg (net/socket.c:2767)
[  738.965915][T14360]  ? copy_msghdr_from_user (net/socket.c:2619)
[  738.965930][T14360]  __sys_sendmsg (net/socket.c:2799)
[  738.965933][T14360]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  738.965939][T14360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.965942][T14360]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  738.965945][T14360]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  738.965948][T14360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  738.965951][T14360] RIP: 0033:0x7fa2c949854e
[  738.965954][T14360] 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
[  738.965956][T14360] RSP: 002b:00007ffd5ea09dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  738.965959][T14360] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa2c949854e
[  738.965960][T14360] RDX: 0000000000000000 RSI: 00007ffd5ea09e80 RDI: 0000000000000005
[  738.965961][T14360] RBP: 00007ffd5ea09de0 R08: 0000000000000000 R09: 0000000000000000
[  738.965962][T14360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112a7
[  738.965963][T14360] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5ea0a550
| [  749.246092][T14532] softirqs last disabled at (29060): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  749.246095][T14532] Preemption disabled at:
| [  749.246096][T14532] vprintk_emit (kernel/printk/printk.c:2471)
| [  749.246104][T14532] Tainted: [W]=WARN
[  749.246105][T14532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  749.246107][T14532] Call Trace:
[  749.246108][T14532]  <TASK>
[  749.246110][T14532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  749.246115][T14532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  749.246117][T14532]  __might_resched.cold (kernel/sched/core.c:9234)
[  749.246122][T14532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  749.246126][T14532]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  749.246130][T14532]  __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))
[  749.246132][T14532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  749.246139][T14532]  ? 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)
[  749.246142][T14532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  749.246146][T14532]  put_chars (drivers/char/virtio_console.c:1176)
[  749.246148][T14532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  749.246155][T14532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  749.246162][T14532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  749.246166][T14532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  749.246170][T14532]  console_emit_next_record (kernel/printk/printk.c:3183)
[  749.246174][T14532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  749.246176][T14532]  ? 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))
[  749.246180][T14532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  749.246182][T14532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  749.246186][T14532]  console_flush_one_record (kernel/printk/printk.c:3268)
[  749.246190][T14532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  749.246192][T14532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  749.246198][T14532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  749.246201][T14532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  749.246203][T14532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  749.246204][T14532]  ? 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)
[  749.246208][T14532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  749.246210][T14532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  749.246213][T14532]  vprintk_emit (kernel/printk/printk.c:2479)
[  749.246216][T14532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  749.246219][T14532]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  749.246224][T14532]  _printk (kernel/printk/printk.c:2504)
[  749.246228][T14532]  ? snapshot_read.cold (user.c:?)
[  749.246230][T14532]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  749.246232][T14532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  749.246235][T14532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  749.246237][T14532]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  749.246241][T14532]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  749.246244][T14532]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  749.246246][T14532]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  749.246249][T14532]  ? netdev_notice (net/core/dev.c:13194)
[  749.246252][T14532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  749.246255][T14532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  749.246258][T14532]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  749.246262][T14532]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  749.246264][T14532]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  749.246266][T14532]  ? register_netdev (net/core/dev.c:11618)
[  749.246267][T14532]  ? 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))
[  749.246272][T14532]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  749.246275][T14532]  ? __kernel_text_address (kernel/extable.c:79)
[  749.246277][T14532]  ? write_profile (profile.c:?)
[  749.246281][T14532]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  749.246287][T14532]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  749.246290][T14532]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  749.246292][T14532]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  749.246294][T14532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  749.246296][T14532]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  749.246299][T14532]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  749.246301][T14532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  749.246303][T14532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  749.246305][T14532]  ? kasan_save_stack (mm/kasan/common.c:58)
[  749.246307][T14532]  ? kasan_save_stack (mm/kasan/common.c:57)
[  749.246308][T14532]  ? kasan_save_track (mm/kasan/common.c:78)
[  749.246310][T14532]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  749.246312][T14532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  749.246314][T14532]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  749.246317][T14532]  ? ___sys_sendmsg (net/socket.c:2758)
[  749.246321][T14532]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  749.246323][T14532]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  749.246326][T14532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  749.246328][T14532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  749.246329][T14532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  749.246330][T14532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  749.246332][T14532]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  749.246334][T14532]  ? __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)
[  749.246336][T14532]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  749.246338][T14532]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  749.246341][T14532]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  749.246342][T14532]  ? nla_get_range_signed (lib/nlattr.c:270)
[  749.246347][T14532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  749.246350][T14532]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  749.246355][T14532]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  749.246360][T14532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  749.246362][T14532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  749.246367][T14532]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  749.246369][T14532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  749.246371][T14532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  749.246373][T14532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  749.246376][T14532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  749.246379][T14532]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  749.246382][T14532]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  749.246383][T14532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  749.246388][T14532]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  749.246390][T14532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  749.246393][T14532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  749.246396][T14532]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  749.246399][T14532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  749.246406][T14532]  ? 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))
[  749.246408][T14532]  ? 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))
[  749.246412][T14532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  749.246416][T14532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  749.246419][T14532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  749.246423][T14532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  749.246427][T14532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  749.246431][T14532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  749.246433][T14532]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  749.246438][T14532]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  749.246441][T14532]  ____sys_sendmsg (net/socket.c:2713)
[  749.246443][T14532]  ? copy_msghdr_from_user (net/socket.c:2650)
[  749.246446][T14532]  ? sock_write_iter (net/socket.c:1269)
[  749.246447][T14532]  ? move_addr_to_kernel (net/socket.c:258)
[  749.246455][T14532]  ___sys_sendmsg (net/socket.c:2767)
[  749.246458][T14532]  ? copy_msghdr_from_user (net/socket.c:2619)
[  749.246474][T14532]  __sys_sendmsg (net/socket.c:2799)
[  749.246476][T14532]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  749.246483][T14532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  749.246486][T14532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  749.246489][T14532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  749.246492][T14532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  749.246494][T14532] RIP: 0033:0x7f28782f854e
[  749.246498][T14532] 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
[  749.246499][T14532] RSP: 002b:00007ffdd4667b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  749.246502][T14532] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f28782f854e
[  749.246504][T14532] RDX: 0000000000000000 RSI: 00007ffdd4667c20 RDI: 0000000000000005
[  749.246505][T14532] RBP: 00007ffdd4667b80 R08: 0000000000000000 R09: 0000000000000000
[  749.246505][T14532] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112b1
[  749.246506][T14532] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd46682f0
| [  759.356396][T14703] softirqs last disabled at (24106): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  759.356399][T14703] Preemption disabled at:
| [  759.356400][T14703] vprintk_emit (kernel/printk/printk.c:2471)
| [  759.356408][T14703] Tainted: [W]=WARN
[  759.356409][T14703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  759.356410][T14703] Call Trace:
[  759.356412][T14703]  <TASK>
[  759.356414][T14703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  759.356420][T14703]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  759.356421][T14703]  __might_resched.cold (kernel/sched/core.c:9234)
[  759.356425][T14703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  759.356430][T14703]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  759.356434][T14703]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  759.356436][T14703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  759.356443][T14703]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  759.356446][T14703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  759.356450][T14703]  put_chars (drivers/char/virtio_console.c:1176)
[  759.356452][T14703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  759.356458][T14703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  759.356466][T14703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  759.356469][T14703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.356473][T14703]  console_emit_next_record (kernel/printk/printk.c:3183)
[  759.356478][T14703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  759.356480][T14703]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  759.356483][T14703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.356485][T14703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.356489][T14703]  console_flush_one_record (kernel/printk/printk.c:3268)
[  759.356494][T14703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  759.356496][T14703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.356501][T14703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  759.356504][T14703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  759.356506][T14703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.356507][T14703]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  759.356511][T14703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  759.356513][T14703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  759.356515][T14703]  vprintk_emit (kernel/printk/printk.c:2479)
[  759.356519][T14703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  759.356521][T14703]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  759.356526][T14703]  _printk (kernel/printk/printk.c:2504)
[  759.356530][T14703]  ? snapshot_read.cold (user.c:?)
[  759.356532][T14703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  759.356535][T14703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  759.356538][T14703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  759.356540][T14703]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  759.356544][T14703]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  759.356547][T14703]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.356549][T14703]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  759.356552][T14703]  ? netdev_notice (net/core/dev.c:13194)
[  759.356555][T14703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.356558][T14703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.356560][T14703]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  759.356564][T14703]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.356566][T14703]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  759.356568][T14703]  ? register_netdev (net/core/dev.c:11618)
[  759.356570][T14703]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  759.356575][T14703]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  759.356578][T14703]  ? __kernel_text_address (kernel/extable.c:79)
[  759.356580][T14703]  ? write_profile (profile.c:?)
[  759.356584][T14703]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  759.356590][T14703]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.356593][T14703]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  759.356595][T14703]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  759.356597][T14703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  759.356599][T14703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  759.356602][T14703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  759.356604][T14703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  759.356606][T14703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  759.356608][T14703]  ? kasan_save_stack (mm/kasan/common.c:58)
[  759.356610][T14703]  ? kasan_save_stack (mm/kasan/common.c:57)
[  759.356611][T14703]  ? kasan_save_track (mm/kasan/common.c:78)
[  759.356613][T14703]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  759.356615][T14703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.356617][T14703]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  759.356620][T14703]  ? ___sys_sendmsg (net/socket.c:2758)
[  759.356624][T14703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.356626][T14703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  759.356629][T14703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.356631][T14703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.356632][T14703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.356634][T14703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.356635][T14703]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  759.356637][T14703]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  759.356639][T14703]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  759.356641][T14703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  759.356644][T14703]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  759.356645][T14703]  ? nla_get_range_signed (lib/nlattr.c:270)
[  759.356650][T14703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.356652][T14703]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  759.356657][T14703]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  759.356663][T14703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.356665][T14703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.356669][T14703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.356671][T14703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.356673][T14703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.356675][T14703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.356679][T14703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.356681][T14703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  759.356684][T14703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  759.356685][T14703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.356690][T14703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.356691][T14703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.356695][T14703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  759.356698][T14703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  759.356701][T14703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  759.356707][T14703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  759.356709][T14703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  759.356714][T14703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  759.356718][T14703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  759.356720][T14703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.356724][T14703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  759.356728][T14703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  759.356732][T14703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.356734][T14703]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  759.356739][T14703]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  759.356742][T14703]  ____sys_sendmsg (net/socket.c:2713)
[  759.356744][T14703]  ? copy_msghdr_from_user (net/socket.c:2650)
[  759.356747][T14703]  ? sock_write_iter (net/socket.c:1269)
[  759.356748][T14703]  ? move_addr_to_kernel (net/socket.c:258)
[  759.356755][T14703]  ___sys_sendmsg (net/socket.c:2767)
[  759.356758][T14703]  ? copy_msghdr_from_user (net/socket.c:2619)
[  759.356774][T14703]  __sys_sendmsg (net/socket.c:2799)
[  759.356776][T14703]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  759.356783][T14703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.356786][T14703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  759.356789][T14703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  759.356792][T14703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  759.356797][T14703] RIP: 0033:0x7f37af02f54e
[  759.356800][T14703] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  759.356802][T14703] RSP: 002b:00007ffca3cae590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  759.356805][T14703] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f37af02f54e
[  759.356807][T14703] RDX: 0000000000000000 RSI: 00007ffca3cae640 RDI: 0000000000000005
[  759.356808][T14703] RBP: 00007ffca3cae5a0 R08: 0000000000000000 R09: 0000000000000000
[  759.356808][T14703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112bb
[  759.356809][T14703] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca3caed10
| [  769.452408][T14874] softirqs last disabled at (19152): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  769.452411][T14874] Preemption disabled at:
| [  769.452411][T14874] vprintk_emit (kernel/printk/printk.c:2471)
| [  769.452419][T14874] Tainted: [W]=WARN
[  769.452420][T14874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  769.452422][T14874] Call Trace:
[  769.452424][T14874]  <TASK>
[  769.452425][T14874]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  769.452431][T14874]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  769.452433][T14874]  __might_resched.cold (kernel/sched/core.c:9234)
[  769.452438][T14874]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  769.452442][T14874]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  769.452446][T14874]  __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))
[  769.452448][T14874]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  769.452454][T14874]  ? 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)
[  769.452457][T14874]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  769.452461][T14874]  put_chars (drivers/char/virtio_console.c:1176)
[  769.452463][T14874]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  769.452470][T14874]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  769.452477][T14874]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  769.452480][T14874]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.452485][T14874]  console_emit_next_record (kernel/printk/printk.c:3183)
[  769.452489][T14874]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  769.452491][T14874]  ? 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))
[  769.452494][T14874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.452497][T14874]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.452501][T14874]  console_flush_one_record (kernel/printk/printk.c:3268)
[  769.452505][T14874]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  769.452507][T14874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  769.452512][T14874]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  769.452515][T14874]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  769.452517][T14874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.452519][T14874]  ? 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)
[  769.452522][T14874]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  769.452524][T14874]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  769.452527][T14874]  vprintk_emit (kernel/printk/printk.c:2479)
[  769.452530][T14874]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  769.452533][T14874]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  769.452538][T14874]  _printk (kernel/printk/printk.c:2504)
[  769.452542][T14874]  ? snapshot_read.cold (user.c:?)
[  769.452543][T14874]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  769.452546][T14874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  769.452549][T14874]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  769.452551][T14874]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  769.452554][T14874]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  769.452557][T14874]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  769.452560][T14874]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  769.452563][T14874]  ? netdev_notice (net/core/dev.c:13194)
[  769.452565][T14874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  769.452568][T14874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  769.452571][T14874]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  769.452575][T14874]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  769.452577][T14874]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  769.452579][T14874]  ? register_netdev (net/core/dev.c:11618)
[  769.452580][T14874]  ? 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))
[  769.452586][T14874]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  769.452589][T14874]  ? __kernel_text_address (kernel/extable.c:79)
[  769.452591][T14874]  ? write_profile (profile.c:?)
[  769.452595][T14874]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  769.452601][T14874]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  769.452604][T14874]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  769.452606][T14874]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  769.452608][T14874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  769.452610][T14874]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  769.452613][T14874]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  769.452615][T14874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  769.452617][T14874]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  769.452620][T14874]  ? kasan_save_stack (mm/kasan/common.c:58)
[  769.452621][T14874]  ? kasan_save_stack (mm/kasan/common.c:57)
[  769.452623][T14874]  ? kasan_save_track (mm/kasan/common.c:78)
[  769.452624][T14874]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  769.452626][T14874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  769.452628][T14874]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  769.452632][T14874]  ? ___sys_sendmsg (net/socket.c:2758)
[  769.452636][T14874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  769.452638][T14874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  769.452640][T14874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.452642][T14874]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.452644][T14874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.452645][T14874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.452647][T14874]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  769.452649][T14874]  ? __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)
[  769.452650][T14874]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  769.452652][T14874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  769.452655][T14874]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  769.452657][T14874]  ? nla_get_range_signed (lib/nlattr.c:270)
[  769.452662][T14874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.452664][T14874]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  769.452669][T14874]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  769.452674][T14874]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  769.452676][T14874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  769.452681][T14874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  769.452682][T14874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  769.452684][T14874]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  769.452686][T14874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  769.452690][T14874]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  769.452692][T14874]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  769.452695][T14874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  769.452697][T14874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  769.452701][T14874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  769.452703][T14874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  769.452706][T14874]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  769.452710][T14874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  769.452713][T14874]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  769.452719][T14874]  ? 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))
[  769.452721][T14874]  ? 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))
[  769.452725][T14874]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  769.452729][T14874]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  769.452732][T14874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  769.452736][T14874]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  769.452740][T14874]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  769.452744][T14874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  769.452745][T14874]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  769.452751][T14874]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  769.452754][T14874]  ____sys_sendmsg (net/socket.c:2713)
[  769.452756][T14874]  ? copy_msghdr_from_user (net/socket.c:2650)
[  769.452758][T14874]  ? sock_write_iter (net/socket.c:1269)
[  769.452760][T14874]  ? move_addr_to_kernel (net/socket.c:258)
[  769.452767][T14874]  ___sys_sendmsg (net/socket.c:2767)
[  769.452770][T14874]  ? copy_msghdr_from_user (net/socket.c:2619)
[  769.452785][T14874]  __sys_sendmsg (net/socket.c:2799)
[  769.452788][T14874]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  769.452797][T14874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.452800][T14874]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  769.452803][T14874]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  769.452806][T14874]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  769.452808][T14874] RIP: 0033:0x7f56a5a9c54e
[  769.452812][T14874] 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
[  769.452813][T14874] RSP: 002b:00007ffd89995f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  769.452816][T14874] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f56a5a9c54e
[  769.452818][T14874] RDX: 0000000000000000 RSI: 00007ffd89996010 RDI: 0000000000000005
[  769.452818][T14874] RBP: 00007ffd89995f70 R08: 0000000000000000 R09: 0000000000000000
[  769.452819][T14874] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112c5
[  769.452820][T14874] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd899966e0
| [  779.514791][T15045] softirqs last disabled at (28648): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  779.514796][T15045] Preemption disabled at:
| [  779.514797][T15045] vprintk_emit (kernel/printk/printk.c:2471)
| [  779.514805][T15045] Tainted: [W]=WARN
[  779.514806][T15045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  779.514808][T15045] Call Trace:
[  779.514810][T15045]  <TASK>
[  779.514811][T15045]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  779.514817][T15045]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  779.514819][T15045]  __might_resched.cold (kernel/sched/core.c:9234)
[  779.514824][T15045]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  779.514828][T15045]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  779.514833][T15045]  __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))
[  779.514835][T15045]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.514841][T15045]  ? 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)
[  779.514844][T15045]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.514848][T15045]  put_chars (drivers/char/virtio_console.c:1176)
[  779.514850][T15045]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  779.514856][T15045]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  779.514864][T15045]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  779.514867][T15045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.514872][T15045]  console_emit_next_record (kernel/printk/printk.c:3183)
[  779.514876][T15045]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  779.514878][T15045]  ? 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))
[  779.514881][T15045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.514884][T15045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.514888][T15045]  console_flush_one_record (kernel/printk/printk.c:3268)
[  779.514892][T15045]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  779.514894][T15045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  779.514899][T15045]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  779.514902][T15045]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  779.514904][T15045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.514906][T15045]  ? 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)
[  779.514910][T15045]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  779.514912][T15045]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  779.514914][T15045]  vprintk_emit (kernel/printk/printk.c:2479)
[  779.514918][T15045]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  779.514920][T15045]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  779.514925][T15045]  _printk (kernel/printk/printk.c:2504)
[  779.514929][T15045]  ? snapshot_read.cold (user.c:?)
[  779.514931][T15045]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  779.514933][T15045]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  779.514936][T15045]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  779.514938][T15045]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  779.514945][T15045]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  779.514948][T15045]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.514950][T15045]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  779.514953][T15045]  ? netdev_notice (net/core/dev.c:13194)
[  779.514956][T15045]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  779.514959][T15045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  779.514962][T15045]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  779.514966][T15045]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.514968][T15045]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  779.514970][T15045]  ? register_netdev (net/core/dev.c:11618)
[  779.514972][T15045]  ? 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))
[  779.514977][T15045]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  779.514980][T15045]  ? __kernel_text_address (kernel/extable.c:79)
[  779.514982][T15045]  ? write_profile (profile.c:?)
[  779.514987][T15045]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  779.514992][T15045]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.514996][T15045]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  779.514998][T15045]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  779.514999][T15045]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  779.515001][T15045]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  779.515005][T15045]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  779.515007][T15045]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  779.515009][T15045]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  779.515011][T15045]  ? kasan_save_stack (mm/kasan/common.c:58)
[  779.515013][T15045]  ? kasan_save_stack (mm/kasan/common.c:57)
[  779.515014][T15045]  ? kasan_save_track (mm/kasan/common.c:78)
[  779.515016][T15045]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  779.515018][T15045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  779.515020][T15045]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  779.515023][T15045]  ? ___sys_sendmsg (net/socket.c:2758)
[  779.515028][T15045]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  779.515030][T15045]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  779.515032][T15045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.515034][T15045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.515036][T15045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.515037][T15045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.515038][T15045]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  779.515041][T15045]  ? __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)
[  779.515042][T15045]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  779.515044][T15045]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  779.515047][T15045]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  779.515049][T15045]  ? nla_get_range_signed (lib/nlattr.c:270)
[  779.515053][T15045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.515055][T15045]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  779.515061][T15045]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  779.515066][T15045]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.515068][T15045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  779.515072][T15045]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  779.515074][T15045]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  779.515076][T15045]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.515078][T15045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  779.515082][T15045]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.515084][T15045]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  779.515087][T15045]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.515088][T15045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  779.515093][T15045]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  779.515095][T15045]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  779.515098][T15045]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  779.515101][T15045]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.515104][T15045]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  779.515111][T15045]  ? 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))
[  779.515113][T15045]  ? 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))
[  779.515117][T15045]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  779.515121][T15045]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  779.515124][T15045]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  779.515128][T15045]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  779.515132][T15045]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  779.515136][T15045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  779.515137][T15045]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  779.515143][T15045]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  779.515145][T15045]  ____sys_sendmsg (net/socket.c:2713)
[  779.515148][T15045]  ? copy_msghdr_from_user (net/socket.c:2650)
[  779.515150][T15045]  ? sock_write_iter (net/socket.c:1269)
[  779.515152][T15045]  ? move_addr_to_kernel (net/socket.c:258)
[  779.515159][T15045]  ___sys_sendmsg (net/socket.c:2767)
[  779.515162][T15045]  ? copy_msghdr_from_user (net/socket.c:2619)
[  779.515177][T15045]  __sys_sendmsg (net/socket.c:2799)
[  779.515180][T15045]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  779.515186][T15045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.515189][T15045]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  779.515192][T15045]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  779.515195][T15045]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.515197][T15045] RIP: 0033:0x7f3c2dfc854e
[  779.515201][T15045] 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
[  779.515203][T15045] RSP: 002b:00007fff713a5140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  779.515205][T15045] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3c2dfc854e
[  779.515207][T15045] RDX: 0000000000000000 RSI: 00007fff713a51f0 RDI: 0000000000000005
[  779.515208][T15045] RBP: 00007fff713a5150 R08: 0000000000000000 R09: 0000000000000000
[  779.515209][T15045] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112cf
[  779.515210][T15045] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff713a58c0
| [  789.677476][T15216] softirqs last disabled at (16674): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  789.677479][T15216] Preemption disabled at:
| [  789.677479][T15216] vprintk_emit (kernel/printk/printk.c:2471)
| [  789.677488][T15216] Tainted: [W]=WARN
[  789.677489][T15216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  789.677490][T15216] Call Trace:
[  789.677492][T15216]  <TASK>
[  789.677493][T15216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  789.677499][T15216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  789.677501][T15216]  __might_resched.cold (kernel/sched/core.c:9234)
[  789.677505][T15216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  789.677510][T15216]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  789.677514][T15216]  __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))
[  789.677516][T15216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  789.677523][T15216]  ? 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)
[  789.677526][T15216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  789.677529][T15216]  put_chars (drivers/char/virtio_console.c:1176)
[  789.677532][T15216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  789.677538][T15216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  789.677545][T15216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  789.677549][T15216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.677553][T15216]  console_emit_next_record (kernel/printk/printk.c:3183)
[  789.677557][T15216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  789.677559][T15216]  ? 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))
[  789.677563][T15216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.677565][T15216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.677569][T15216]  console_flush_one_record (kernel/printk/printk.c:3268)
[  789.677573][T15216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  789.677575][T15216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  789.677581][T15216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  789.677584][T15216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  789.677586][T15216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.677587][T15216]  ? 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)
[  789.677591][T15216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  789.677593][T15216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  789.677596][T15216]  vprintk_emit (kernel/printk/printk.c:2479)
[  789.677599][T15216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  789.677601][T15216]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  789.677606][T15216]  _printk (kernel/printk/printk.c:2504)
[  789.677610][T15216]  ? snapshot_read.cold (user.c:?)
[  789.677612][T15216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  789.677615][T15216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  789.677618][T15216]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  789.677620][T15216]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  789.677623][T15216]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  789.677626][T15216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  789.677629][T15216]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  789.677631][T15216]  ? netdev_notice (net/core/dev.c:13194)
[  789.677634][T15216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  789.677637][T15216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  789.677640][T15216]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  789.677643][T15216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  789.677645][T15216]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  789.677648][T15216]  ? register_netdev (net/core/dev.c:11618)
[  789.677649][T15216]  ? 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))
[  789.677655][T15216]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  789.677657][T15216]  ? __kernel_text_address (kernel/extable.c:79)
[  789.677660][T15216]  ? write_profile (profile.c:?)
[  789.677664][T15216]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  789.677669][T15216]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  789.677673][T15216]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  789.677675][T15216]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  789.677676][T15216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  789.677678][T15216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  789.677682][T15216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  789.677684][T15216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  789.677685][T15216]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  789.677688][T15216]  ? kasan_save_stack (mm/kasan/common.c:58)
[  789.677690][T15216]  ? kasan_save_stack (mm/kasan/common.c:57)
[  789.677691][T15216]  ? kasan_save_track (mm/kasan/common.c:78)
[  789.677693][T15216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  789.677695][T15216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  789.677697][T15216]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  789.677701][T15216]  ? ___sys_sendmsg (net/socket.c:2758)
[  789.677704][T15216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  789.677706][T15216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  789.677709][T15216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.677711][T15216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.677712][T15216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.677714][T15216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.677715][T15216]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  789.677718][T15216]  ? __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)
[  789.677719][T15216]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  789.677721][T15216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  789.677724][T15216]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  789.677725][T15216]  ? nla_get_range_signed (lib/nlattr.c:270)
[  789.677730][T15216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.677733][T15216]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  789.677738][T15216]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  789.677743][T15216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  789.677745][T15216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  789.677750][T15216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  789.677752][T15216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  789.677754][T15216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  789.677756][T15216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  789.677759][T15216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  789.677762][T15216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  789.677765][T15216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  789.677766][T15216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  789.677771][T15216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  789.677772][T15216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  789.677776][T15216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  789.677779][T15216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  789.677782][T15216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  789.677788][T15216]  ? 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))
[  789.677790][T15216]  ? 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))
[  789.677798][T15216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  789.677802][T15216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  789.677805][T15216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  789.677809][T15216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  789.677813][T15216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  789.677817][T15216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  789.677819][T15216]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  789.677824][T15216]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  789.677827][T15216]  ____sys_sendmsg (net/socket.c:2713)
[  789.677829][T15216]  ? copy_msghdr_from_user (net/socket.c:2650)
[  789.677831][T15216]  ? sock_write_iter (net/socket.c:1269)
[  789.677833][T15216]  ? move_addr_to_kernel (net/socket.c:258)
[  789.677840][T15216]  ___sys_sendmsg (net/socket.c:2767)
[  789.677843][T15216]  ? copy_msghdr_from_user (net/socket.c:2619)
[  789.677859][T15216]  __sys_sendmsg (net/socket.c:2799)
[  789.677861][T15216]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  789.677868][T15216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.677871][T15216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  789.677874][T15216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  789.677877][T15216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  789.677879][T15216] RIP: 0033:0x7f33be3f454e
[  789.677882][T15216] 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
[  789.677884][T15216] RSP: 002b:00007fff489c9060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  789.677887][T15216] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f33be3f454e
[  789.677889][T15216] RDX: 0000000000000000 RSI: 00007fff489c9110 RDI: 0000000000000005
[  789.677890][T15216] RBP: 00007fff489c9070 R08: 0000000000000000 R09: 0000000000000000
[  789.677891][T15216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112d9
[  789.677892][T15216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff489c97e0
| [  799.954407][T15387] softirqs last disabled at (28606): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  799.954410][T15387] Preemption disabled at:
| [  799.954410][T15387] vprintk_emit (kernel/printk/printk.c:2471)
| [  799.954418][T15387] Tainted: [W]=WARN
[  799.954419][T15387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  799.954421][T15387] Call Trace:
[  799.954422][T15387]  <TASK>
[  799.954424][T15387]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  799.954430][T15387]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  799.954431][T15387]  __might_resched.cold (kernel/sched/core.c:9234)
[  799.954436][T15387]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  799.954440][T15387]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  799.954445][T15387]  __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))
[  799.954447][T15387]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  799.954453][T15387]  ? 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)
[  799.954456][T15387]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  799.954460][T15387]  put_chars (drivers/char/virtio_console.c:1176)
[  799.954462][T15387]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  799.954469][T15387]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  799.954476][T15387]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  799.954480][T15387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  799.954484][T15387]  console_emit_next_record (kernel/printk/printk.c:3183)
[  799.954488][T15387]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  799.954491][T15387]  ? 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))
[  799.954494][T15387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  799.954497][T15387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  799.954501][T15387]  console_flush_one_record (kernel/printk/printk.c:3268)
[  799.954505][T15387]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  799.954507][T15387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  799.954513][T15387]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  799.954516][T15387]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  799.954518][T15387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  799.954519][T15387]  ? 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)
[  799.954523][T15387]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  799.954525][T15387]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  799.954528][T15387]  vprintk_emit (kernel/printk/printk.c:2479)
[  799.954531][T15387]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  799.954534][T15387]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  799.954539][T15387]  _printk (kernel/printk/printk.c:2504)
[  799.954543][T15387]  ? snapshot_read.cold (user.c:?)
[  799.954545][T15387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  799.954547][T15387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  799.954550][T15387]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  799.954552][T15387]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  799.954556][T15387]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  799.954559][T15387]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  799.954561][T15387]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  799.954564][T15387]  ? netdev_notice (net/core/dev.c:13194)
[  799.954567][T15387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  799.954570][T15387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  799.954573][T15387]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  799.954577][T15387]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  799.954579][T15387]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  799.954581][T15387]  ? register_netdev (net/core/dev.c:11618)
[  799.954583][T15387]  ? 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))
[  799.954588][T15387]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  799.954591][T15387]  ? __kernel_text_address (kernel/extable.c:79)
[  799.954593][T15387]  ? write_profile (profile.c:?)
[  799.954597][T15387]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  799.954603][T15387]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  799.954607][T15387]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  799.954609][T15387]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  799.954610][T15387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  799.954612][T15387]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  799.954616][T15387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  799.954618][T15387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  799.954620][T15387]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  799.954622][T15387]  ? kasan_save_stack (mm/kasan/common.c:58)
[  799.954624][T15387]  ? kasan_save_stack (mm/kasan/common.c:57)
[  799.954626][T15387]  ? kasan_save_track (mm/kasan/common.c:78)
[  799.954627][T15387]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  799.954629][T15387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  799.954631][T15387]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  799.954635][T15387]  ? ___sys_sendmsg (net/socket.c:2758)
[  799.954639][T15387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  799.954641][T15387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  799.954644][T15387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  799.954645][T15387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  799.954647][T15387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  799.954648][T15387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  799.954650][T15387]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  799.954652][T15387]  ? __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)
[  799.954654][T15387]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  799.954656][T15387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  799.954659][T15387]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  799.954661][T15387]  ? nla_get_range_signed (lib/nlattr.c:270)
[  799.954666][T15387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  799.954668][T15387]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  799.954673][T15387]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  799.954679][T15387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  799.954681][T15387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  799.954686][T15387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  799.954688][T15387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  799.954690][T15387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  799.954692][T15387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  799.954695][T15387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  799.954698][T15387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  799.954701][T15387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  799.954702][T15387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  799.954707][T15387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  799.954709][T15387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  799.954713][T15387]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  799.954716][T15387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  799.954719][T15387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  799.954725][T15387]  ? 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))
[  799.954727][T15387]  ? 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))
[  799.954732][T15387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  799.954736][T15387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  799.954739][T15387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  799.954743][T15387]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  799.954747][T15387]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  799.954751][T15387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  799.954753][T15387]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  799.954759][T15387]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  799.954761][T15387]  ____sys_sendmsg (net/socket.c:2713)
[  799.954764][T15387]  ? copy_msghdr_from_user (net/socket.c:2650)
[  799.954766][T15387]  ? sock_write_iter (net/socket.c:1269)
[  799.954768][T15387]  ? move_addr_to_kernel (net/socket.c:258)
[  799.954775][T15387]  ___sys_sendmsg (net/socket.c:2767)
[  799.954778][T15387]  ? copy_msghdr_from_user (net/socket.c:2619)
[  799.954797][T15387]  __sys_sendmsg (net/socket.c:2799)
[  799.954800][T15387]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  799.954807][T15387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  799.954810][T15387]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  799.954813][T15387]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  799.954816][T15387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  799.954818][T15387] RIP: 0033:0x7fcb15ab954e
[  799.954822][T15387] 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
[  799.954824][T15387] RSP: 002b:00007ffee8e125d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  799.954827][T15387] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcb15ab954e
[  799.954828][T15387] RDX: 0000000000000000 RSI: 00007ffee8e12680 RDI: 0000000000000005
[  799.954829][T15387] RBP: 00007ffee8e125e0 R08: 0000000000000000 R09: 0000000000000000
[  799.954830][T15387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112e4
[  799.954831][T15387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee8e12d50
| [  810.091496][T15558] softirqs last disabled at (15840): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  810.091499][T15558] Preemption disabled at:
| [  810.091500][T15558] vprintk_emit (kernel/printk/printk.c:2471)
| [  810.091508][T15558] Tainted: [W]=WARN
[  810.091509][T15558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  810.091511][T15558] Call Trace:
[  810.091512][T15558]  <TASK>
[  810.091514][T15558]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  810.091520][T15558]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  810.091521][T15558]  __might_resched.cold (kernel/sched/core.c:9234)
[  810.091526][T15558]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  810.091530][T15558]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  810.091535][T15558]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  810.091537][T15558]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.091543][T15558]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  810.091546][T15558]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.091550][T15558]  put_chars (drivers/char/virtio_console.c:1176)
[  810.091552][T15558]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  810.091559][T15558]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  810.091566][T15558]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  810.091569][T15558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.091574][T15558]  console_emit_next_record (kernel/printk/printk.c:3183)
[  810.091578][T15558]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  810.091580][T15558]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  810.091583][T15558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.091586][T15558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.091590][T15558]  console_flush_one_record (kernel/printk/printk.c:3268)
[  810.091594][T15558]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  810.091596][T15558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  810.091601][T15558]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  810.091604][T15558]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  810.091606][T15558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.091608][T15558]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  810.091612][T15558]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  810.091613][T15558]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  810.091616][T15558]  vprintk_emit (kernel/printk/printk.c:2479)
[  810.091619][T15558]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  810.091622][T15558]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  810.091627][T15558]  _printk (kernel/printk/printk.c:2504)
[  810.091631][T15558]  ? snapshot_read.cold (user.c:?)
[  810.091633][T15558]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  810.091635][T15558]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  810.091638][T15558]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  810.091640][T15558]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  810.091644][T15558]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  810.091647][T15558]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  810.091649][T15558]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  810.091652][T15558]  ? netdev_notice (net/core/dev.c:13194)
[  810.091655][T15558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  810.091658][T15558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  810.091661][T15558]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  810.091664][T15558]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  810.091666][T15558]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  810.091669][T15558]  ? register_netdev (net/core/dev.c:11618)
[  810.091670][T15558]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  810.091676][T15558]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  810.091678][T15558]  ? __kernel_text_address (kernel/extable.c:79)
[  810.091681][T15558]  ? write_profile (profile.c:?)
[  810.091685][T15558]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  810.091691][T15558]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  810.091694][T15558]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  810.091696][T15558]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  810.091697][T15558]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  810.091699][T15558]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  810.091703][T15558]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  810.091705][T15558]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  810.091707][T15558]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  810.091709][T15558]  ? kasan_save_stack (mm/kasan/common.c:58)
[  810.091711][T15558]  ? kasan_save_stack (mm/kasan/common.c:57)
[  810.091712][T15558]  ? kasan_save_track (mm/kasan/common.c:78)
[  810.091714][T15558]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  810.091716][T15558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  810.091718][T15558]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  810.091721][T15558]  ? ___sys_sendmsg (net/socket.c:2758)
[  810.091725][T15558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  810.091727][T15558]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  810.091730][T15558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.091732][T15558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.091734][T15558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.091735][T15558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.091737][T15558]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  810.091739][T15558]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  810.091741][T15558]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  810.091743][T15558]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  810.091746][T15558]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  810.091747][T15558]  ? nla_get_range_signed (lib/nlattr.c:270)
[  810.091752][T15558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.091755][T15558]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  810.091760][T15558]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  810.091765][T15558]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.091767][T15558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  810.091772][T15558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  810.091774][T15558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  810.091776][T15558]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.091778][T15558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  810.091781][T15558]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.091784][T15558]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  810.091787][T15558]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  810.091788][T15558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  810.091793][T15558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  810.091797][T15558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  810.091801][T15558]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  810.091804][T15558]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  810.091807][T15558]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  810.091813][T15558]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  810.091816][T15558]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  810.091820][T15558]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  810.091824][T15558]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  810.091827][T15558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  810.091831][T15558]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  810.091835][T15558]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  810.091839][T15558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  810.091840][T15558]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  810.091846][T15558]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  810.091849][T15558]  ____sys_sendmsg (net/socket.c:2713)
[  810.091851][T15558]  ? copy_msghdr_from_user (net/socket.c:2650)
[  810.091853][T15558]  ? sock_write_iter (net/socket.c:1269)
[  810.091855][T15558]  ? move_addr_to_kernel (net/socket.c:258)
[  810.091863][T15558]  ___sys_sendmsg (net/socket.c:2767)
[  810.091865][T15558]  ? copy_msghdr_from_user (net/socket.c:2619)
[  810.091881][T15558]  __sys_sendmsg (net/socket.c:2799)
[  810.091884][T15558]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  810.091890][T15558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.091893][T15558]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  810.091896][T15558]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  810.091899][T15558]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  810.091901][T15558] RIP: 0033:0x7efea408654e
[  810.091905][T15558] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  810.091907][T15558] RSP: 002b:00007ffe5d1a9570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  810.091910][T15558] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efea408654e
[  810.091911][T15558] RDX: 0000000000000000 RSI: 00007ffe5d1a9620 RDI: 0000000000000005
[  810.091912][T15558] RBP: 00007ffe5d1a9580 R08: 0000000000000000 R09: 0000000000000000
[  810.091913][T15558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112ee


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