======================================
| [   10.642251][  T245] softirqs last disabled at (21040): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.642254][  T245] Preemption disabled at:
| [   10.642254][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.642263][  T245] Tainted: [W]=WARN
[   10.642264][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.642265][  T245] Call Trace:
[   10.642267][  T245]  <TASK>
[   10.642268][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.642274][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.642276][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.642280][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.642284][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.642288][  T245]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.642290][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.642297][  T245]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.642299][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.642303][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   10.642306][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.642312][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.642319][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.642322][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.642326][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.642330][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.642332][  T245]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.642335][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.642337][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.642341][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.642345][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.642347][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.642352][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.642355][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.642357][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.642358][  T245]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.642362][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.642364][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.642366][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.642369][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.642371][  T245]  ? save_trace (kernel/locking/lockdep.c:589)
[   10.642376][  T245]  _printk (kernel/printk/printk.c:2504)
[   10.642379][  T245]  ? snapshot_read.cold (user.c:?)
[   10.642382][  T245]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.642385][  T245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.642392][  T245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.642395][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.642397][  T245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.642399][  T245]  ? netdev_notice (net/core/dev.c:13194)
[   10.642402][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.642405][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.642407][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.642411][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.642413][  T245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.642415][  T245]  ? register_netdev (net/core/dev.c:11618)
[   10.642416][  T245]  ? 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))
[   10.642421][  T245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.642423][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   10.642426][  T245]  ? write_profile (profile.c:?)
[   10.642430][  T245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.642436][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.642439][  T245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.642441][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.642442][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.642445][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.642448][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.642450][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.642452][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.642455][  T245]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.642456][  T245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.642458][  T245]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.642459][  T245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.642461][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.642463][  T245]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   10.642466][  T245]  ? ___sys_sendmsg (net/socket.c:2758)
[   10.642470][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.642472][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.642474][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.642476][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.642478][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.642479][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.642480][  T245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.642483][  T245]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.642485][  T245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.642487][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.642490][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.642491][  T245]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.642496][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.642499][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.642504][  T245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.642509][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.642511][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.642515][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.642517][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.642519][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.642520][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.642524][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.642526][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.642529][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.642530][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.642535][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.642537][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.642540][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.642543][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.642546][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.642552][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.642554][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.642558][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.642562][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.642565][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.642569][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.642573][  T245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.642576][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.642578][  T245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   10.642583][  T245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.642586][  T245]  ____sys_sendmsg (net/socket.c:2713)
[   10.642588][  T245]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.642590][  T245]  ? sock_write_iter (net/socket.c:1269)
[   10.642592][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   10.642599][  T245]  ___sys_sendmsg (net/socket.c:2767)
[   10.642602][  T245]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.642617][  T245]  __sys_sendmsg (net/socket.c:2799)
[   10.642620][  T245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.642626][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.642629][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.642632][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.642634][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.642636][  T245] RIP: 0033:0x7f022e92054e
[   10.642640][  T245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.642641][  T245] RSP: 002b:00007ffc60cbd4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.642644][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f022e92054e
[   10.642645][  T245] RDX: 0000000000000000 RSI: 00007ffc60cbd5a0 RDI: 0000000000000005
[   10.642646][  T245] RBP: 00007ffc60cbd500 R08: 0000000000000000 R09: 0000000000000000
[   10.642646][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebf2
[   10.642647][  T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc60cbdc70
| [   27.425157][  T641] softirqs last disabled at (17438): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.425160][  T641] Preemption disabled at:
| [   27.425160][  T641] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.425168][  T641] Tainted: [W]=WARN
[   27.425169][  T641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.425171][  T641] Call Trace:
[   27.425173][  T641]  <TASK>
[   27.425174][  T641]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.425180][  T641]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.425182][  T641]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.425187][  T641]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.425191][  T641]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.425195][  T641]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.425197][  T641]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.425204][  T641]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.425206][  T641]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.425210][  T641]  put_chars (drivers/char/virtio_console.c:1176)
[   27.425213][  T641]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.425219][  T641]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.425226][  T641]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.425230][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.425234][  T641]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.425238][  T641]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.425240][  T641]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.425243][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.425246][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.425250][  T641]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.425254][  T641]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.425256][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.425262][  T641]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.425265][  T641]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.425267][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.425268][  T641]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.425272][  T641]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.425274][  T641]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.425276][  T641]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.425280][  T641]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.425282][  T641]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   27.425287][  T641]  _printk (kernel/printk/printk.c:2504)
[   27.425291][  T641]  ? snapshot_read.cold (user.c:?)
[   27.425293][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.425295][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.425298][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.425300][  T641]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.425304][  T641]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.425307][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.425309][  T641]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.425312][  T641]  ? netdev_notice (net/core/dev.c:13194)
[   27.425315][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.425318][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.425320][  T641]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.425324][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.425326][  T641]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.425328][  T641]  ? register_netdev (net/core/dev.c:11618)
[   27.425330][  T641]  ? 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))
[   27.425335][  T641]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.425337][  T641]  ? __kernel_text_address (kernel/extable.c:79)
[   27.425340][  T641]  ? write_profile (profile.c:?)
[   27.425344][  T641]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.425349][  T641]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.425353][  T641]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.425355][  T641]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.425356][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.425358][  T641]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.425361][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.425363][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.425365][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.425368][  T641]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.425370][  T641]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.425371][  T641]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.425372][  T641]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   27.425375][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.425376][  T641]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   27.425379][  T641]  ? ___sys_sendmsg (net/socket.c:2758)
[   27.425383][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.425385][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.425391][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.425393][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.425394][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.425395][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.425397][  T641]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.425399][  T641]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   27.425401][  T641]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.425403][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.425406][  T641]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.425407][  T641]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.425412][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.425414][  T641]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.425420][  T641]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.425425][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.425427][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.425431][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.425433][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.425435][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.425437][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.425441][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.425443][  T641]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.425446][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.425448][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.425452][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.425454][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.425458][  T641]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.425461][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.425464][  T641]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.425470][  T641]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.425472][  T641]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.425477][  T641]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.425481][  T641]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.425483][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.425488][  T641]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.425492][  T641]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.425496][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.425497][  T641]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   27.425502][  T641]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.425505][  T641]  ____sys_sendmsg (net/socket.c:2713)
[   27.425508][  T641]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.425510][  T641]  ? sock_write_iter (net/socket.c:1269)
[   27.425511][  T641]  ? move_addr_to_kernel (net/socket.c:258)
[   27.425519][  T641]  ___sys_sendmsg (net/socket.c:2767)
[   27.425522][  T641]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.425538][  T641]  __sys_sendmsg (net/socket.c:2799)
[   27.425541][  T641]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.425547][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.425550][  T641]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.425553][  T641]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.425556][  T641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.425558][  T641] RIP: 0033:0x7fd82f3d154e
[   27.425562][  T641] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.425563][  T641] RSP: 002b:00007ffff3e4e4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.425566][  T641] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd82f3d154e
[   27.425568][  T641] RDX: 0000000000000000 RSI: 00007ffff3e4e580 RDI: 0000000000000005
[   27.425569][  T641] RBP: 00007ffff3e4e4e0 R08: 0000000000000000 R09: 0000000000000000
[   27.425569][  T641] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec02
[   27.425570][  T641] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff3e4ec50
| [   44.386901][ T1035] softirqs last disabled at (22900): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.386904][ T1035] Preemption disabled at:
| [   44.386904][ T1035] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.386912][ T1035] Tainted: [W]=WARN
[   44.386913][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.386914][ T1035] Call Trace:
[   44.386916][ T1035]  <TASK>
[   44.386918][ T1035]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.386924][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.386925][ T1035]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.386930][ T1035]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.386934][ T1035]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.386939][ T1035]  __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))
[   44.386940][ T1035]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.386947][ T1035]  ? 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)
[   44.386949][ T1035]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.386953][ T1035]  put_chars (drivers/char/virtio_console.c:1176)
[   44.386955][ T1035]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.386961][ T1035]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.386968][ T1035]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.386972][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.386976][ T1035]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.386980][ T1035]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.386982][ T1035]  ? 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))
[   44.386985][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.386987][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.386991][ T1035]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.386995][ T1035]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.386997][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.387002][ T1035]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.387005][ T1035]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.387007][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.387009][ T1035]  ? 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)
[   44.387012][ T1035]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.387014][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.387017][ T1035]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.387020][ T1035]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.387022][ T1035]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   44.387027][ T1035]  _printk (kernel/printk/printk.c:2504)
[   44.387031][ T1035]  ? snapshot_read.cold (user.c:?)
[   44.387032][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.387035][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.387038][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.387040][ T1035]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.387043][ T1035]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.387046][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.387048][ T1035]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.387051][ T1035]  ? netdev_notice (net/core/dev.c:13194)
[   44.387054][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.387057][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.387059][ T1035]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.387063][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.387065][ T1035]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.387067][ T1035]  ? register_netdev (net/core/dev.c:11618)
[   44.387068][ T1035]  ? 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))
[   44.387073][ T1035]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.387076][ T1035]  ? __kernel_text_address (kernel/extable.c:79)
[   44.387079][ T1035]  ? write_profile (profile.c:?)
[   44.387083][ T1035]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.387088][ T1035]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.387091][ T1035]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.387093][ T1035]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.387094][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.387096][ T1035]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.387100][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.387102][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.387103][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.387106][ T1035]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.387108][ T1035]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.387109][ T1035]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.387110][ T1035]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.387112][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.387114][ T1035]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   44.387117][ T1035]  ? ___sys_sendmsg (net/socket.c:2758)
[   44.387121][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.387123][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.387125][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.387127][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.387128][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.387129][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.387131][ T1035]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.387133][ T1035]  ? __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)
[   44.387134][ T1035]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.387136][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.387140][ T1035]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.387141][ T1035]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.387145][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.387148][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.387153][ T1035]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.387158][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.387160][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.387164][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.387166][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.387168][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.387169][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.387173][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.387175][ T1035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.387178][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.387179][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.387184][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.387186][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.387189][ T1035]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.387192][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.387195][ T1035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.387201][ T1035]  ? 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))
[   44.387203][ T1035]  ? 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))
[   44.387207][ T1035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.387211][ T1035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.387214][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.387218][ T1035]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.387221][ T1035]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.387225][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.387227][ T1035]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   44.387232][ T1035]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.387235][ T1035]  ____sys_sendmsg (net/socket.c:2713)
[   44.387237][ T1035]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.387239][ T1035]  ? sock_write_iter (net/socket.c:1269)
[   44.387241][ T1035]  ? move_addr_to_kernel (net/socket.c:258)
[   44.387248][ T1035]  ___sys_sendmsg (net/socket.c:2767)
[   44.387250][ T1035]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.387266][ T1035]  __sys_sendmsg (net/socket.c:2799)
[   44.387268][ T1035]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.387274][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.387277][ T1035]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.387280][ T1035]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.387283][ T1035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.387285][ T1035] RIP: 0033:0x7f6590a7154e
[   44.387288][ T1035] 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
[   44.387290][ T1035] RSP: 002b:00007ffe009b2050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.387293][ T1035] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6590a7154e
[   44.387294][ T1035] RDX: 0000000000000000 RSI: 00007ffe009b2100 RDI: 0000000000000005
[   44.387295][ T1035] RBP: 00007ffe009b2060 R08: 0000000000000000 R09: 0000000000000000
[   44.387296][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec13
[   44.387297][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe009b27d0
| [   61.212902][ T1429] softirqs last disabled at (19914): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   61.212905][ T1429] Preemption disabled at:
| [   61.212905][ T1429] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.212914][ T1429] Tainted: [W]=WARN
[   61.212914][ T1429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.212916][ T1429] Call Trace:
[   61.212918][ T1429]  <TASK>
[   61.212919][ T1429]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.212925][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.212926][ T1429]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.212931][ T1429]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.212935][ T1429]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.212939][ T1429]  __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))
[   61.212941][ T1429]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.212947][ T1429]  ? 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)
[   61.212950][ T1429]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.212954][ T1429]  put_chars (drivers/char/virtio_console.c:1176)
[   61.212956][ T1429]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.212962][ T1429]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.212969][ T1429]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.212972][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.212977][ T1429]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.212980][ T1429]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.212982][ T1429]  ? 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))
[   61.212985][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.212988][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.212992][ T1429]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.212996][ T1429]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.212998][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.213003][ T1429]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.213006][ T1429]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.213008][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.213009][ T1429]  ? 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)
[   61.213013][ T1429]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.213015][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.213017][ T1429]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.213021][ T1429]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.213023][ T1429]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   61.213028][ T1429]  _printk (kernel/printk/printk.c:2504)
[   61.213031][ T1429]  ? snapshot_read.cold (user.c:?)
[   61.213033][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.213036][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.213038][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.213040][ T1429]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.213044][ T1429]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.213047][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.213049][ T1429]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.213052][ T1429]  ? netdev_notice (net/core/dev.c:13194)
[   61.213055][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.213058][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.213060][ T1429]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.213064][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.213066][ T1429]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   61.213068][ T1429]  ? register_netdev (net/core/dev.c:11618)
[   61.213069][ T1429]  ? 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))
[   61.213074][ T1429]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   61.213076][ T1429]  ? __kernel_text_address (kernel/extable.c:79)
[   61.213079][ T1429]  ? write_profile (profile.c:?)
[   61.213083][ T1429]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.213088][ T1429]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.213091][ T1429]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.213094][ T1429]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.213095][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.213097][ T1429]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.213100][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.213102][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.213103][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.213106][ T1429]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.213108][ T1429]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.213109][ T1429]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.213110][ T1429]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.213112][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.213114][ T1429]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   61.213117][ T1429]  ? ___sys_sendmsg (net/socket.c:2758)
[   61.213121][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.213123][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.213125][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.213127][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.213129][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.213130][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.213131][ T1429]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.213133][ T1429]  ? __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)
[   61.213135][ T1429]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.213136][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.213140][ T1429]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.213141][ T1429]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.213146][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.213148][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.213153][ T1429]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.213158][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.213160][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.213164][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.213166][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.213168][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.213170][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.213173][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.213175][ T1429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.213179][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.213180][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.213184][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.213186][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.213189][ T1429]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.213192][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.213195][ T1429]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.213201][ T1429]  ? 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))
[   61.213203][ T1429]  ? 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))
[   61.213208][ T1429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.213212][ T1429]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.213214][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.213218][ T1429]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.213222][ T1429]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.213226][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.213227][ T1429]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.213232][ T1429]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.213235][ T1429]  ____sys_sendmsg (net/socket.c:2713)
[   61.213237][ T1429]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.213239][ T1429]  ? sock_write_iter (net/socket.c:1269)
[   61.213241][ T1429]  ? move_addr_to_kernel (net/socket.c:258)
[   61.213248][ T1429]  ___sys_sendmsg (net/socket.c:2767)
[   61.213251][ T1429]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.213266][ T1429]  __sys_sendmsg (net/socket.c:2799)
[   61.213269][ T1429]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.213275][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.213278][ T1429]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.213281][ T1429]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.213284][ T1429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.213286][ T1429] RIP: 0033:0x7f98abcb354e
[   61.213289][ T1429] 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
[   61.213291][ T1429] RSP: 002b:00007ffc6ef8f730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.213293][ T1429] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f98abcb354e
[   61.213295][ T1429] RDX: 0000000000000000 RSI: 00007ffc6ef8f7e0 RDI: 0000000000000005
[   61.213295][ T1429] RBP: 00007ffc6ef8f740 R08: 0000000000000000 R09: 0000000000000000
[   61.213296][ T1429] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec24
[   61.213297][ T1429] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6ef8feb0
| [   74.787947][ T1837] softirqs last disabled at (27340): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   74.787950][ T1837] Preemption disabled at:
| [   74.787950][ T1837] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.787958][ T1837] Tainted: [W]=WARN
[   74.787959][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.787961][ T1837] Call Trace:
[   74.787962][ T1837]  <TASK>
[   74.787964][ T1837]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.787969][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.787971][ T1837]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.787975][ T1837]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.787980][ T1837]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   74.787984][ T1837]  __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))
[   74.787986][ T1837]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.787992][ T1837]  ? 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)
[   74.787994][ T1837]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.787998][ T1837]  put_chars (drivers/char/virtio_console.c:1176)
[   74.788000][ T1837]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.788006][ T1837]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.788014][ T1837]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.788017][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.788021][ T1837]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.788025][ T1837]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.788027][ T1837]  ? 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))
[   74.788030][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.788033][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.788037][ T1837]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.788041][ T1837]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.788042][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.788048][ T1837]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.788050][ T1837]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.788052][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.788054][ T1837]  ? 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)
[   74.788058][ T1837]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.788059][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.788062][ T1837]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.788065][ T1837]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.788068][ T1837]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   74.788073][ T1837]  _printk (kernel/printk/printk.c:2504)
[   74.788076][ T1837]  ? snapshot_read.cold (user.c:?)
[   74.788078][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.788080][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.788083][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.788085][ T1837]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.788089][ T1837]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.788092][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.788094][ T1837]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.788097][ T1837]  ? netdev_notice (net/core/dev.c:13194)
[   74.788099][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.788102][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.788105][ T1837]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   74.788108][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.788110][ T1837]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   74.788112][ T1837]  ? register_netdev (net/core/dev.c:11618)
[   74.788113][ T1837]  ? 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))
[   74.788118][ T1837]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   74.788121][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[   74.788123][ T1837]  ? write_profile (profile.c:?)
[   74.788127][ T1837]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   74.788133][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.788136][ T1837]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   74.788138][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   74.788139][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   74.788141][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.788144][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.788146][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.788148][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.788150][ T1837]  ? kasan_save_stack (mm/kasan/common.c:58)
[   74.788152][ T1837]  ? kasan_save_stack (mm/kasan/common.c:57)
[   74.788153][ T1837]  ? kasan_save_track (mm/kasan/common.c:78)
[   74.788154][ T1837]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   74.788157][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.788158][ T1837]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   74.788161][ T1837]  ? ___sys_sendmsg (net/socket.c:2758)
[   74.788165][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.788167][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.788169][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.788171][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.788173][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.788174][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.788175][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   74.788178][ T1837]  ? __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)
[   74.788179][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   74.788181][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.788184][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   74.788185][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[   74.788190][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.788192][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   74.788197][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.788202][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.788204][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.788208][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.788210][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.788212][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.788214][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.788217][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.788219][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.788223][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.788224][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.788228][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.788230][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.788233][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.788236][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.788239][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.788245][ T1837]  ? 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))
[   74.788248][ T1837]  ? 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))
[   74.788252][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.788256][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.788258][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.788262][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.788266][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.788270][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.788271][ T1837]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   74.788277][ T1837]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.788279][ T1837]  ____sys_sendmsg (net/socket.c:2713)
[   74.788282][ T1837]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.788284][ T1837]  ? sock_write_iter (net/socket.c:1269)
[   74.788285][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[   74.788292][ T1837]  ___sys_sendmsg (net/socket.c:2767)
[   74.788295][ T1837]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.788310][ T1837]  __sys_sendmsg (net/socket.c:2799)
[   74.788313][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.788319][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.788322][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.788325][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.788328][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.788330][ T1837] RIP: 0033:0x7ff20fc3b54e
[   74.788334][ T1837] 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
[   74.788335][ T1837] RSP: 002b:00007fff2c7c2720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.788338][ T1837] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff20fc3b54e
[   74.788339][ T1837] RDX: 0000000000000000 RSI: 00007fff2c7c27d0 RDI: 0000000000000005
[   74.788340][ T1837] RBP: 00007fff2c7c2730 R08: 0000000000000000 R09: 0000000000000000
[   74.788341][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec32
[   74.788342][ T1837] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2c7c2ea0
| [   88.450856][ T2246] softirqs last disabled at (25552): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   88.450859][ T2246] Preemption disabled at:
| [   88.450859][ T2246] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.450867][ T2246] Tainted: [W]=WARN
[   88.450868][ T2246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.450870][ T2246] Call Trace:
[   88.450872][ T2246]  <TASK>
[   88.450873][ T2246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.450878][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.450880][ T2246]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.450885][ T2246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.450889][ T2246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   88.450893][ T2246]  __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))
[   88.450895][ T2246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.450902][ T2246]  ? 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)
[   88.450904][ T2246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.450908][ T2246]  put_chars (drivers/char/virtio_console.c:1176)
[   88.450911][ T2246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.450917][ T2246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.450924][ T2246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.450927][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.450931][ T2246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.450935][ T2246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.450937][ T2246]  ? 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))
[   88.450940][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.450943][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.450947][ T2246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.450951][ T2246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.450953][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.450961][ T2246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.450964][ T2246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.450966][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.450968][ T2246]  ? 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)
[   88.450971][ T2246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.450973][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.450976][ T2246]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.450979][ T2246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.450981][ T2246]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   88.450986][ T2246]  _printk (kernel/printk/printk.c:2504)
[   88.450990][ T2246]  ? snapshot_read.cold (user.c:?)
[   88.450992][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.450994][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.450997][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.450999][ T2246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   88.451003][ T2246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   88.451006][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   88.451008][ T2246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   88.451011][ T2246]  ? netdev_notice (net/core/dev.c:13194)
[   88.451014][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.451017][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.451019][ T2246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   88.451023][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   88.451025][ T2246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   88.451027][ T2246]  ? register_netdev (net/core/dev.c:11618)
[   88.451028][ T2246]  ? 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))
[   88.451033][ T2246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   88.451036][ T2246]  ? __kernel_text_address (kernel/extable.c:79)
[   88.451038][ T2246]  ? write_profile (profile.c:?)
[   88.451043][ T2246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   88.451048][ T2246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   88.451051][ T2246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.451053][ T2246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.451055][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.451057][ T2246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.451060][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.451062][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.451064][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.451066][ T2246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.451068][ T2246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.451069][ T2246]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.451070][ T2246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.451072][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.451074][ T2246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   88.451077][ T2246]  ? ___sys_sendmsg (net/socket.c:2758)
[   88.451080][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.451082][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.451085][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.451086][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.451088][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.451089][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.451091][ T2246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.451093][ T2246]  ? __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)
[   88.451094][ T2246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.451096][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.451099][ T2246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.451100][ T2246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.451105][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.451107][ T2246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.451112][ T2246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.451118][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.451119][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.451124][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.451126][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.451127][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.451129][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.451133][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.451135][ T2246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.451138][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.451139][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.451143][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.451145][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.451149][ T2246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.451152][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.451155][ T2246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.451161][ T2246]  ? 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))
[   88.451163][ T2246]  ? 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))
[   88.451167][ T2246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.451171][ T2246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.451173][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.451178][ T2246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.451182][ T2246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.451185][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.451187][ T2246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   88.451192][ T2246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.451195][ T2246]  ____sys_sendmsg (net/socket.c:2713)
[   88.451197][ T2246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.451199][ T2246]  ? sock_write_iter (net/socket.c:1269)
[   88.451201][ T2246]  ? move_addr_to_kernel (net/socket.c:258)
[   88.451208][ T2246]  ___sys_sendmsg (net/socket.c:2767)
[   88.451211][ T2246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.451226][ T2246]  __sys_sendmsg (net/socket.c:2799)
[   88.451229][ T2246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.451235][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.451238][ T2246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.451240][ T2246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.451243][ T2246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.451245][ T2246] RIP: 0033:0x7fbeb2f4454e
[   88.451249][ T2246] 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
[   88.451250][ T2246] RSP: 002b:00007ffea0a77aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.451253][ T2246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbeb2f4454e
[   88.451254][ T2246] RDX: 0000000000000000 RSI: 00007ffea0a77b50 RDI: 0000000000000005
[   88.451255][ T2246] RBP: 00007ffea0a77ab0 R08: 0000000000000000 R09: 0000000000000000
[   88.451256][ T2246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec3f
[   88.451257][ T2246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea0a78220
| [  210.350915][ T3723] softirqs last disabled at (29244): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  210.350917][ T3723] Preemption disabled at:
| [  210.350918][ T3723] vprintk_emit (kernel/printk/printk.c:2471)
| [  210.350926][ T3723] Tainted: [W]=WARN
[  210.350927][ T3723] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  210.350929][ T3723] Call Trace:
[  210.350930][ T3723]  <TASK>
[  210.350932][ T3723]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  210.350938][ T3723]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  210.350940][ T3723]  __might_resched.cold (kernel/sched/core.c:9234)
[  210.350945][ T3723]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  210.350949][ T3723]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  210.350953][ T3723]  __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))
[  210.350955][ T3723]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.350961][ T3723]  ? 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)
[  210.350964][ T3723]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.350968][ T3723]  put_chars (drivers/char/virtio_console.c:1176)
[  210.350970][ T3723]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  210.350976][ T3723]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  210.350984][ T3723]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  210.350987][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.350991][ T3723]  console_emit_next_record (kernel/printk/printk.c:3183)
[  210.350995][ T3723]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  210.350997][ T3723]  ? 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))
[  210.351000][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.351003][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.351007][ T3723]  console_flush_one_record (kernel/printk/printk.c:3268)
[  210.351011][ T3723]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  210.351013][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.351018][ T3723]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  210.351021][ T3723]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  210.351023][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.351024][ T3723]  ? 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)
[  210.351028][ T3723]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  210.351030][ T3723]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  210.351032][ T3723]  vprintk_emit (kernel/printk/printk.c:2479)
[  210.351035][ T3723]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  210.351038][ T3723]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  210.351043][ T3723]  _printk (kernel/printk/printk.c:2504)
[  210.351047][ T3723]  ? snapshot_read.cold (user.c:?)
[  210.351049][ T3723]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  210.351051][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  210.351054][ T3723]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  210.351056][ T3723]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  210.351060][ T3723]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  210.351062][ T3723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  210.351065][ T3723]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  210.351067][ T3723]  ? netdev_notice (net/core/dev.c:13194)
[  210.351070][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.351073][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.351076][ T3723]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  210.351079][ T3723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  210.351081][ T3723]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  210.351083][ T3723]  ? register_netdev (net/core/dev.c:11618)
[  210.351084][ T3723]  ? 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))
[  210.351089][ T3723]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  210.351092][ T3723]  ? __kernel_text_address (kernel/extable.c:79)
[  210.351094][ T3723]  ? write_profile (profile.c:?)
[  210.351098][ T3723]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  210.351104][ T3723]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  210.351107][ T3723]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  210.351109][ T3723]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  210.351111][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  210.351112][ T3723]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  210.351116][ T3723]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  210.351118][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  210.351119][ T3723]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  210.351122][ T3723]  ? kasan_save_stack (mm/kasan/common.c:58)
[  210.351124][ T3723]  ? kasan_save_stack (mm/kasan/common.c:57)
[  210.351125][ T3723]  ? kasan_save_track (mm/kasan/common.c:78)
[  210.351126][ T3723]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  210.351128][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.351130][ T3723]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  210.351133][ T3723]  ? ___sys_sendmsg (net/socket.c:2758)
[  210.351137][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.351139][ T3723]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  210.351141][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.351143][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.351144][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.351145][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.351147][ T3723]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  210.351149][ T3723]  ? __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)
[  210.351150][ T3723]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  210.351152][ T3723]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  210.351156][ T3723]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  210.351157][ T3723]  ? nla_get_range_signed (lib/nlattr.c:270)
[  210.351162][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.351164][ T3723]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  210.351169][ T3723]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  210.351174][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.351176][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.351180][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.351182][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.351184][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.351186][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.351189][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.351191][ T3723]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  210.351194][ T3723]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.351196][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.351200][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.351202][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.351205][ T3723]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  210.351209][ T3723]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.351211][ T3723]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  210.351218][ T3723]  ? 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))
[  210.351220][ T3723]  ? 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))
[  210.351224][ T3723]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  210.351228][ T3723]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  210.351230][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.351234][ T3723]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  210.351238][ T3723]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  210.351242][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.351243][ T3723]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  210.351249][ T3723]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  210.351251][ T3723]  ____sys_sendmsg (net/socket.c:2713)
[  210.351253][ T3723]  ? copy_msghdr_from_user (net/socket.c:2650)
[  210.351256][ T3723]  ? sock_write_iter (net/socket.c:1269)
[  210.351257][ T3723]  ? move_addr_to_kernel (net/socket.c:258)
[  210.351264][ T3723]  ___sys_sendmsg (net/socket.c:2767)
[  210.351267][ T3723]  ? copy_msghdr_from_user (net/socket.c:2619)
[  210.351283][ T3723]  __sys_sendmsg (net/socket.c:2799)
[  210.351285][ T3723]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  210.351291][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.351294][ T3723]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  210.351297][ T3723]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  210.351300][ T3723]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  210.351302][ T3723] RIP: 0033:0x7f503c30a54e
[  210.351306][ T3723] 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
[  210.351308][ T3723] RSP: 002b:00007fffea698bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  210.351310][ T3723] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f503c30a54e
[  210.351312][ T3723] RDX: 0000000000000000 RSI: 00007fffea698c70 RDI: 0000000000000005
[  210.351312][ T3723] RBP: 00007fffea698bd0 R08: 0000000000000000 R09: 0000000000000000
[  210.351313][ T3723] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ecb9
[  210.351314][ T3723] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffea699340
| [  216.978849][ T3940] softirqs last disabled at (22598): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  216.978851][ T3940] Preemption disabled at:
| [  216.978852][ T3940] vprintk_emit (kernel/printk/printk.c:2471)
| [  216.978860][ T3940] Tainted: [W]=WARN
[  216.978861][ T3940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  216.978862][ T3940] Call Trace:
[  216.978864][ T3940]  <TASK>
[  216.978865][ T3940]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  216.978871][ T3940]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  216.978873][ T3940]  __might_resched.cold (kernel/sched/core.c:9234)
[  216.978877][ T3940]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  216.978882][ T3940]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  216.978886][ T3940]  __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))
[  216.978888][ T3940]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.978894][ T3940]  ? 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)
[  216.978896][ T3940]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.978900][ T3940]  put_chars (drivers/char/virtio_console.c:1176)
[  216.978902][ T3940]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  216.978908][ T3940]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  216.978916][ T3940]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  216.978919][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.978923][ T3940]  console_emit_next_record (kernel/printk/printk.c:3183)
[  216.978927][ T3940]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  216.978929][ T3940]  ? 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))
[  216.978932][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.978934][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.978938][ T3940]  console_flush_one_record (kernel/printk/printk.c:3268)
[  216.978942][ T3940]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  216.978944][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.978949][ T3940]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  216.978952][ T3940]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  216.978954][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.978955][ T3940]  ? 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)
[  216.978959][ T3940]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  216.978961][ T3940]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  216.978963][ T3940]  vprintk_emit (kernel/printk/printk.c:2479)
[  216.978966][ T3940]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  216.978969][ T3940]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  216.978974][ T3940]  _printk (kernel/printk/printk.c:2504)
[  216.978977][ T3940]  ? snapshot_read.cold (user.c:?)
[  216.978979][ T3940]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  216.978982][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  216.978984][ T3940]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  216.978987][ T3940]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  216.978990][ T3940]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  216.978993][ T3940]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  216.978995][ T3940]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  216.978998][ T3940]  ? netdev_notice (net/core/dev.c:13194)
[  216.979000][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.979003][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.979006][ T3940]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  216.979009][ T3940]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  216.979011][ T3940]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  216.979013][ T3940]  ? register_netdev (net/core/dev.c:11618)
[  216.979014][ T3940]  ? 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))
[  216.979020][ T3940]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  216.979022][ T3940]  ? __kernel_text_address (kernel/extable.c:79)
[  216.979025][ T3940]  ? write_profile (profile.c:?)
[  216.979029][ T3940]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  216.979034][ T3940]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  216.979037][ T3940]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  216.979039][ T3940]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  216.979040][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  216.979042][ T3940]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  216.979045][ T3940]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  216.979047][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  216.979049][ T3940]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  216.979051][ T3940]  ? kasan_save_stack (mm/kasan/common.c:58)
[  216.979053][ T3940]  ? kasan_save_stack (mm/kasan/common.c:57)
[  216.979054][ T3940]  ? kasan_save_track (mm/kasan/common.c:78)
[  216.979055][ T3940]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  216.979058][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.979059][ T3940]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  216.979062][ T3940]  ? ___sys_sendmsg (net/socket.c:2758)
[  216.979066][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  216.979068][ T3940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  216.979070][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.979072][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.979074][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.979075][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.979076][ T3940]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  216.979079][ T3940]  ? __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)
[  216.979080][ T3940]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  216.979082][ T3940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  216.979085][ T3940]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  216.979086][ T3940]  ? nla_get_range_signed (lib/nlattr.c:270)
[  216.979091][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.979093][ T3940]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  216.979098][ T3940]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  216.979103][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  216.979105][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.979109][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  216.979111][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.979113][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  216.979115][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.979118][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  216.979120][ T3940]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  216.979123][ T3940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  216.979125][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.979129][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  216.979131][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.979134][ T3940]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  216.979137][ T3940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  216.979140][ T3940]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  216.979146][ T3940]  ? 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))
[  216.979148][ T3940]  ? 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))
[  216.979152][ T3940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  216.979156][ T3940]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  216.979158][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.979163][ T3940]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  216.979166][ T3940]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  216.979170][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.979172][ T3940]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  216.979177][ T3940]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  216.979179][ T3940]  ____sys_sendmsg (net/socket.c:2713)
[  216.979182][ T3940]  ? copy_msghdr_from_user (net/socket.c:2650)
[  216.979184][ T3940]  ? sock_write_iter (net/socket.c:1269)
[  216.979185][ T3940]  ? move_addr_to_kernel (net/socket.c:258)
[  216.979193][ T3940]  ___sys_sendmsg (net/socket.c:2767)
[  216.979195][ T3940]  ? copy_msghdr_from_user (net/socket.c:2619)
[  216.979211][ T3940]  __sys_sendmsg (net/socket.c:2799)
[  216.979213][ T3940]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  216.979219][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.979222][ T3940]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  216.979225][ T3940]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  216.979228][ T3940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  216.979230][ T3940] RIP: 0033:0x7f833f95354e
[  216.979234][ T3940] 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
[  216.979235][ T3940] RSP: 002b:00007ffe8dcc9660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  216.979238][ T3940] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f833f95354e
[  216.979239][ T3940] RDX: 0000000000000000 RSI: 00007ffe8dcc9710 RDI: 0000000000000005
[  216.979240][ T3940] RBP: 00007ffe8dcc9670 R08: 0000000000000000 R09: 0000000000000000
[  216.979241][ T3940] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ecc0
[  216.979242][ T3940] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8dcc9de0
| [  291.895124][ T4927] softirqs last disabled at (18526): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  291.895127][ T4927] Preemption disabled at:
| [  291.895127][ T4927] vprintk_emit (kernel/printk/printk.c:2471)
| [  291.895135][ T4927] Tainted: [W]=WARN
[  291.895136][ T4927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  291.895138][ T4927] Call Trace:
[  291.895140][ T4927]  <TASK>
[  291.895141][ T4927]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  291.895147][ T4927]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  291.895149][ T4927]  __might_resched.cold (kernel/sched/core.c:9234)
[  291.895153][ T4927]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  291.895157][ T4927]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  291.895162][ T4927]  __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))
[  291.895164][ T4927]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  291.895170][ T4927]  ? 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)
[  291.895173][ T4927]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  291.895177][ T4927]  put_chars (drivers/char/virtio_console.c:1176)
[  291.895179][ T4927]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  291.895185][ T4927]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  291.895193][ T4927]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  291.895196][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.895200][ T4927]  console_emit_next_record (kernel/printk/printk.c:3183)
[  291.895204][ T4927]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  291.895206][ T4927]  ? 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))
[  291.895209][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.895212][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.895216][ T4927]  console_flush_one_record (kernel/printk/printk.c:3268)
[  291.895220][ T4927]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  291.895222][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.895227][ T4927]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  291.895230][ T4927]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  291.895232][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.895234][ T4927]  ? 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)
[  291.895237][ T4927]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  291.895239][ T4927]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  291.895242][ T4927]  vprintk_emit (kernel/printk/printk.c:2479)
[  291.895245][ T4927]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  291.895247][ T4927]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  291.895253][ T4927]  _printk (kernel/printk/printk.c:2504)
[  291.895256][ T4927]  ? snapshot_read.cold (user.c:?)
[  291.895258][ T4927]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  291.895260][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  291.895263][ T4927]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  291.895265][ T4927]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  291.895269][ T4927]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  291.895272][ T4927]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  291.895274][ T4927]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  291.895277][ T4927]  ? netdev_notice (net/core/dev.c:13194)
[  291.895280][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  291.895282][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  291.895285][ T4927]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  291.895288][ T4927]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  291.895290][ T4927]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  291.895292][ T4927]  ? register_netdev (net/core/dev.c:11618)
[  291.895294][ T4927]  ? 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))
[  291.895299][ T4927]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  291.895302][ T4927]  ? __kernel_text_address (kernel/extable.c:79)
[  291.895304][ T4927]  ? write_profile (profile.c:?)
[  291.895308][ T4927]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  291.895314][ T4927]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  291.895317][ T4927]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  291.895319][ T4927]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  291.895320][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  291.895322][ T4927]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  291.895325][ T4927]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  291.895327][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  291.895329][ T4927]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  291.895331][ T4927]  ? kasan_save_stack (mm/kasan/common.c:58)
[  291.895333][ T4927]  ? kasan_save_stack (mm/kasan/common.c:57)
[  291.895335][ T4927]  ? kasan_save_track (mm/kasan/common.c:78)
[  291.895336][ T4927]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  291.895338][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.895340][ T4927]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  291.895343][ T4927]  ? ___sys_sendmsg (net/socket.c:2758)
[  291.895347][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  291.895349][ T4927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  291.895351][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.895353][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.895355][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.895356][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.895357][ T4927]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  291.895360][ T4927]  ? __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)
[  291.895361][ T4927]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  291.895363][ T4927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  291.895366][ T4927]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  291.895367][ T4927]  ? nla_get_range_signed (lib/nlattr.c:270)
[  291.895372][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.895374][ T4927]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  291.895379][ T4927]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  291.895385][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  291.895387][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.895394][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  291.895396][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  291.895398][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  291.895400][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  291.895403][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  291.895405][ T4927]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  291.895408][ T4927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  291.895410][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.895414][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  291.895416][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  291.895419][ T4927]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  291.895422][ T4927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  291.895425][ T4927]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  291.895431][ T4927]  ? 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))
[  291.895433][ T4927]  ? 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))
[  291.895438][ T4927]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  291.895441][ T4927]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  291.895444][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  291.895448][ T4927]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  291.895452][ T4927]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  291.895456][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  291.895457][ T4927]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  291.895462][ T4927]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  291.895465][ T4927]  ____sys_sendmsg (net/socket.c:2713)
[  291.895467][ T4927]  ? copy_msghdr_from_user (net/socket.c:2650)
[  291.895469][ T4927]  ? sock_write_iter (net/socket.c:1269)
[  291.895471][ T4927]  ? move_addr_to_kernel (net/socket.c:258)
[  291.895478][ T4927]  ___sys_sendmsg (net/socket.c:2767)
[  291.895481][ T4927]  ? copy_msghdr_from_user (net/socket.c:2619)
[  291.895496][ T4927]  __sys_sendmsg (net/socket.c:2799)
[  291.895499][ T4927]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  291.895505][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.895508][ T4927]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  291.895511][ T4927]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  291.895514][ T4927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  291.895516][ T4927] RIP: 0033:0x7f8f93ed154e
[  291.895519][ T4927] 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
[  291.895521][ T4927] RSP: 002b:00007fff5d08d9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  291.895523][ T4927] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8f93ed154e
[  291.895525][ T4927] RDX: 0000000000000000 RSI: 00007fff5d08daa0 RDI: 0000000000000005
[  291.895525][ T4927] RBP: 00007fff5d08da00 R08: 0000000000000000 R09: 0000000000000000
[  291.895526][ T4927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ed0b
[  291.895527][ T4927] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5d08e170
| [  400.573969][ T6552] softirqs last disabled at (22630): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  400.573971][ T6552] Preemption disabled at:
| [  400.573972][ T6552] vprintk_emit (kernel/printk/printk.c:2471)
| [  400.573980][ T6552] Tainted: [W]=WARN
[  400.573981][ T6552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  400.573982][ T6552] Call Trace:
[  400.573984][ T6552]  <TASK>
[  400.573986][ T6552]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  400.573991][ T6552]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  400.573993][ T6552]  __might_resched.cold (kernel/sched/core.c:9234)
[  400.573998][ T6552]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  400.574002][ T6552]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  400.574006][ T6552]  __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))
[  400.574008][ T6552]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  400.574014][ T6552]  ? 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)
[  400.574017][ T6552]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  400.574021][ T6552]  put_chars (drivers/char/virtio_console.c:1176)
[  400.574023][ T6552]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  400.574029][ T6552]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  400.574036][ T6552]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  400.574040][ T6552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  400.574044][ T6552]  console_emit_next_record (kernel/printk/printk.c:3183)
[  400.574048][ T6552]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  400.574050][ T6552]  ? 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))
[  400.574053][ T6552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  400.574060][ T6552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  400.574064][ T6552]  console_flush_one_record (kernel/printk/printk.c:3268)
[  400.574068][ T6552]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  400.574070][ T6552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  400.574075][ T6552]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  400.574077][ T6552]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  400.574079][ T6552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  400.574081][ T6552]  ? 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)
[  400.574084][ T6552]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  400.574086][ T6552]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  400.574089][ T6552]  vprintk_emit (kernel/printk/printk.c:2479)
[  400.574092][ T6552]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  400.574094][ T6552]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  400.574099][ T6552]  _printk (kernel/printk/printk.c:2504)
[  400.574103][ T6552]  ? snapshot_read.cold (user.c:?)
[  400.574105][ T6552]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  400.574107][ T6552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  400.574110][ T6552]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  400.574112][ T6552]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  400.574116][ T6552]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  400.574119][ T6552]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  400.574121][ T6552]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  400.574124][ T6552]  ? netdev_notice (net/core/dev.c:13194)
[  400.574126][ T6552]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  400.574129][ T6552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  400.574131][ T6552]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  400.574135][ T6552]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  400.574137][ T6552]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  400.574139][ T6552]  ? register_netdev (net/core/dev.c:11618)
[  400.574140][ T6552]  ? 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))
[  400.574145][ T6552]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  400.574148][ T6552]  ? __kernel_text_address (kernel/extable.c:79)
[  400.574150][ T6552]  ? write_profile (profile.c:?)
[  400.574154][ T6552]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  400.574160][ T6552]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  400.574163][ T6552]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  400.574165][ T6552]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  400.574167][ T6552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  400.574168][ T6552]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  400.574172][ T6552]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  400.574174][ T6552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  400.574175][ T6552]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  400.574178][ T6552]  ? kasan_save_stack (mm/kasan/common.c:58)
[  400.574180][ T6552]  ? kasan_save_stack (mm/kasan/common.c:57)
[  400.574181][ T6552]  ? kasan_save_track (mm/kasan/common.c:78)
[  400.574182][ T6552]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  400.574184][ T6552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  400.574186][ T6552]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  400.574189][ T6552]  ? ___sys_sendmsg (net/socket.c:2758)
[  400.574193][ T6552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  400.574195][ T6552]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  400.574197][ T6552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  400.574199][ T6552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  400.574200][ T6552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  400.574201][ T6552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  400.574203][ T6552]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  400.574205][ T6552]  ? __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)
[  400.574207][ T6552]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  400.574208][ T6552]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  400.574212][ T6552]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  400.574213][ T6552]  ? nla_get_range_signed (lib/nlattr.c:270)
[  400.574218][ T6552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  400.574220][ T6552]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  400.574225][ T6552]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  400.574230][ T6552]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  400.574232][ T6552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  400.574236][ T6552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  400.574238][ T6552]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  400.574240][ T6552]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  400.574241][ T6552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  400.574245][ T6552]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  400.574247][ T6552]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  400.574250][ T6552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  400.574251][ T6552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  400.574256][ T6552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  400.574258][ T6552]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  400.574261][ T6552]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  400.574264][ T6552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  400.574267][ T6552]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  400.574273][ T6552]  ? 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))
[  400.574275][ T6552]  ? 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))
[  400.574280][ T6552]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  400.574283][ T6552]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  400.574286][ T6552]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  400.574290][ T6552]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  400.574294][ T6552]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  400.574298][ T6552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  400.574299][ T6552]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  400.574304][ T6552]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  400.574307][ T6552]  ____sys_sendmsg (net/socket.c:2713)
[  400.574309][ T6552]  ? copy_msghdr_from_user (net/socket.c:2650)
[  400.574312][ T6552]  ? sock_write_iter (net/socket.c:1269)
[  400.574313][ T6552]  ? move_addr_to_kernel (net/socket.c:258)
[  400.574320][ T6552]  ___sys_sendmsg (net/socket.c:2767)
[  400.574323][ T6552]  ? copy_msghdr_from_user (net/socket.c:2619)
[  400.574338][ T6552]  __sys_sendmsg (net/socket.c:2799)
[  400.574341][ T6552]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  400.574347][ T6552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  400.574350][ T6552]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  400.574353][ T6552]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  400.574356][ T6552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  400.574358][ T6552] RIP: 0033:0x7fa51091654e
[  400.574362][ T6552] 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
[  400.574363][ T6552] RSP: 002b:00007fff50e51c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  400.574366][ T6552] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa51091654e
[  400.574367][ T6552] RDX: 0000000000000000 RSI: 00007fff50e51cf0 RDI: 0000000000000005
[  400.574368][ T6552] RBP: 00007fff50e51c50 R08: 0000000000000000 R09: 0000000000000000
[  400.574369][ T6552] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ed77
[  400.574369][ T6552] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff50e523c0
| [  422.057848][ T7365] softirqs last disabled at (19082): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  422.057851][ T7365] Preemption disabled at:
| [  422.057851][ T7365] vprintk_emit (kernel/printk/printk.c:2471)
| [  422.057859][ T7365] Tainted: [W]=WARN
[  422.057860][ T7365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.057862][ T7365] Call Trace:
[  422.057863][ T7365]  <TASK>
[  422.057865][ T7365]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  422.057871][ T7365]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  422.057872][ T7365]  __might_resched.cold (kernel/sched/core.c:9234)
[  422.057877][ T7365]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  422.057882][ T7365]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  422.057886][ T7365]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  422.057888][ T7365]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.057894][ T7365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  422.057897][ T7365]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.057901][ T7365]  put_chars (drivers/char/virtio_console.c:1176)
[  422.057903][ T7365]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  422.057909][ T7365]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  422.057917][ T7365]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  422.057920][ T7365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.057924][ T7365]  console_emit_next_record (kernel/printk/printk.c:3183)
[  422.057928][ T7365]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  422.057930][ T7365]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  422.057933][ T7365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.057935][ T7365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.057939][ T7365]  console_flush_one_record (kernel/printk/printk.c:3268)
[  422.057944][ T7365]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  422.057946][ T7365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.057951][ T7365]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  422.057954][ T7365]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  422.057955][ T7365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.057957][ T7365]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  422.057961][ T7365]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  422.057962][ T7365]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  422.057965][ T7365]  vprintk_emit (kernel/printk/printk.c:2479)
[  422.057968][ T7365]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  422.057971][ T7365]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  422.057976][ T7365]  _printk (kernel/printk/printk.c:2504)
[  422.057979][ T7365]  ? snapshot_read.cold (user.c:?)
[  422.057981][ T7365]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.057984][ T7365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.057986][ T7365]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  422.057989][ T7365]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  422.057992][ T7365]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  422.057995][ T7365]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.057997][ T7365]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  422.058000][ T7365]  ? netdev_notice (net/core/dev.c:13194)
[  422.058003][ T7365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.058006][ T7365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.058008][ T7365]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  422.058012][ T7365]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.058014][ T7365]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  422.058016][ T7365]  ? register_netdev (net/core/dev.c:11618)
[  422.058017][ T7365]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  422.058023][ T7365]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  422.058025][ T7365]  ? __kernel_text_address (kernel/extable.c:79)
[  422.058028][ T7365]  ? write_profile (profile.c:?)
[  422.058031][ T7365]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  422.058037][ T7365]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.058040][ T7365]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  422.058042][ T7365]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  422.058043][ T7365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  422.058045][ T7365]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  422.058049][ T7365]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.058050][ T7365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.058052][ T7365]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  422.058055][ T7365]  ? kasan_save_stack (mm/kasan/common.c:58)
[  422.058057][ T7365]  ? kasan_save_stack (mm/kasan/common.c:57)
[  422.058058][ T7365]  ? kasan_save_track (mm/kasan/common.c:78)
[  422.058059][ T7365]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  422.058061][ T7365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.058063][ T7365]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  422.058066][ T7365]  ? ___sys_sendmsg (net/socket.c:2758)
[  422.058070][ T7365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.058072][ T7365]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  422.058074][ T7365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.058076][ T7365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.058077][ T7365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.058078][ T7365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.058080][ T7365]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  422.058082][ T7365]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  422.058083][ T7365]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  422.058085][ T7365]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  422.058089][ T7365]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  422.058090][ T7365]  ? nla_get_range_signed (lib/nlattr.c:270)
[  422.058095][ T7365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.058097][ T7365]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  422.058102][ T7365]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  422.058107][ T7365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.058109][ T7365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.058114][ T7365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.058115][ T7365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.058117][ T7365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.058119][ T7365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.058123][ T7365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.058125][ T7365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  422.058128][ T7365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  422.058129][ T7365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.058138][ T7365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.058140][ T7365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.058143][ T7365]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  422.058146][ T7365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  422.058149][ T7365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  422.058155][ T7365]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  422.058157][ T7365]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  422.058161][ T7365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  422.058165][ T7365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  422.058168][ T7365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.058172][ T7365]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  422.058176][ T7365]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  422.058179][ T7365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.058181][ T7365]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  422.058186][ T7365]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  422.058189][ T7365]  ____sys_sendmsg (net/socket.c:2713)
[  422.058191][ T7365]  ? copy_msghdr_from_user (net/socket.c:2650)
[  422.058193][ T7365]  ? sock_write_iter (net/socket.c:1269)
[  422.058195][ T7365]  ? move_addr_to_kernel (net/socket.c:258)
[  422.058202][ T7365]  ___sys_sendmsg (net/socket.c:2767)
[  422.058205][ T7365]  ? copy_msghdr_from_user (net/socket.c:2619)
[  422.058220][ T7365]  __sys_sendmsg (net/socket.c:2799)
[  422.058223][ T7365]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  422.058229][ T7365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.058232][ T7365]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  422.058235][ T7365]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  422.058238][ T7365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  422.058240][ T7365] RIP: 0033:0x7ff4f5f9d54e
[  422.058243][ T7365] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  422.058245][ T7365] RSP: 002b:00007ffdcee7cfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  422.058247][ T7365] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff4f5f9d54e
[  422.058249][ T7365] RDX: 0000000000000000 RSI: 00007ffdcee7d090 RDI: 0000000000000005
[  422.058250][ T7365] RBP: 00007ffdcee7cff0 R08: 0000000000000000 R09: 0000000000000000
[  422.058250][ T7365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ed8d
[  422.058251][ T7365] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcee7d760
| [  430.166964][ T7613] softirqs last disabled at (23910): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  430.166967][ T7613] Preemption disabled at:
| [  430.166967][ T7613] vprintk_emit (kernel/printk/printk.c:2471)
| [  430.166975][ T7613] Tainted: [W]=WARN
[  430.166976][ T7613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  430.166977][ T7613] Call Trace:
[  430.166979][ T7613]  <TASK>
[  430.166980][ T7613]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  430.166986][ T7613]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  430.166988][ T7613]  __might_resched.cold (kernel/sched/core.c:9234)
[  430.166992][ T7613]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  430.166996][ T7613]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  430.167000][ T7613]  __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))
[  430.167002][ T7613]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  430.167009][ T7613]  ? 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)
[  430.167011][ T7613]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  430.167015][ T7613]  put_chars (drivers/char/virtio_console.c:1176)
[  430.167017][ T7613]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  430.167023][ T7613]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  430.167031][ T7613]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  430.167034][ T7613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  430.167038][ T7613]  console_emit_next_record (kernel/printk/printk.c:3183)
[  430.167042][ T7613]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  430.167043][ T7613]  ? 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))
[  430.167047][ T7613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.167049][ T7613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  430.167053][ T7613]  console_flush_one_record (kernel/printk/printk.c:3268)
[  430.167057][ T7613]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  430.167059][ T7613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  430.167064][ T7613]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  430.167067][ T7613]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  430.167069][ T7613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.167070][ T7613]  ? 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)
[  430.167074][ T7613]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  430.167076][ T7613]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  430.167078][ T7613]  vprintk_emit (kernel/printk/printk.c:2479)
[  430.167081][ T7613]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  430.167084][ T7613]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  430.167089][ T7613]  _printk (kernel/printk/printk.c:2504)
[  430.167093][ T7613]  ? snapshot_read.cold (user.c:?)
[  430.167094][ T7613]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  430.167097][ T7613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  430.167099][ T7613]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  430.167101][ T7613]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  430.167105][ T7613]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  430.167108][ T7613]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  430.167110][ T7613]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  430.167113][ T7613]  ? netdev_notice (net/core/dev.c:13194)
[  430.167116][ T7613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  430.167119][ T7613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  430.167121][ T7613]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  430.167125][ T7613]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  430.167127][ T7613]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  430.167129][ T7613]  ? register_netdev (net/core/dev.c:11618)
[  430.167130][ T7613]  ? 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))
[  430.167135][ T7613]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  430.167138][ T7613]  ? __kernel_text_address (kernel/extable.c:79)
[  430.167140][ T7613]  ? write_profile (profile.c:?)
[  430.167144][ T7613]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  430.167150][ T7613]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  430.167153][ T7613]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  430.167155][ T7613]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  430.167156][ T7613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  430.167163][ T7613]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  430.167166][ T7613]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  430.167168][ T7613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  430.167170][ T7613]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  430.167172][ T7613]  ? kasan_save_stack (mm/kasan/common.c:58)
[  430.167174][ T7613]  ? kasan_save_stack (mm/kasan/common.c:57)
[  430.167175][ T7613]  ? kasan_save_track (mm/kasan/common.c:78)
[  430.167176][ T7613]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  430.167178][ T7613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  430.167180][ T7613]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  430.167183][ T7613]  ? ___sys_sendmsg (net/socket.c:2758)
[  430.167187][ T7613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  430.167189][ T7613]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  430.167191][ T7613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.167193][ T7613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  430.167195][ T7613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.167196][ T7613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.167197][ T7613]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  430.167199][ T7613]  ? __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)
[  430.167201][ T7613]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  430.167203][ T7613]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  430.167206][ T7613]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  430.167207][ T7613]  ? nla_get_range_signed (lib/nlattr.c:270)
[  430.167212][ T7613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.167214][ T7613]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  430.167219][ T7613]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  430.167224][ T7613]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  430.167226][ T7613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  430.167230][ T7613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  430.167232][ T7613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  430.167234][ T7613]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  430.167236][ T7613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  430.167240][ T7613]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  430.167242][ T7613]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  430.167245][ T7613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  430.167246][ T7613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  430.167251][ T7613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  430.167252][ T7613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  430.167256][ T7613]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  430.167259][ T7613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  430.167261][ T7613]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  430.167268][ T7613]  ? 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))
[  430.167270][ T7613]  ? 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))
[  430.167274][ T7613]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  430.167278][ T7613]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  430.167280][ T7613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  430.167284][ T7613]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  430.167288][ T7613]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  430.167292][ T7613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  430.167293][ T7613]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  430.167298][ T7613]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  430.167301][ T7613]  ____sys_sendmsg (net/socket.c:2713)
[  430.167303][ T7613]  ? copy_msghdr_from_user (net/socket.c:2650)
[  430.167305][ T7613]  ? sock_write_iter (net/socket.c:1269)
[  430.167307][ T7613]  ? move_addr_to_kernel (net/socket.c:258)
[  430.167314][ T7613]  ___sys_sendmsg (net/socket.c:2767)
[  430.167317][ T7613]  ? copy_msghdr_from_user (net/socket.c:2619)
[  430.167332][ T7613]  __sys_sendmsg (net/socket.c:2799)
[  430.167334][ T7613]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  430.167341][ T7613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.167343][ T7613]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  430.167346][ T7613]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  430.167349][ T7613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  430.167351][ T7613] RIP: 0033:0x7fc95b79654e
[  430.167355][ T7613] 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
[  430.167356][ T7613] RSP: 002b:00007fffddca4f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  430.167359][ T7613] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc95b79654e
[  430.167360][ T7613] RDX: 0000000000000000 RSI: 00007fffddca4fe0 RDI: 0000000000000005
[  430.167361][ T7613] RBP: 00007fffddca4f40 R08: 0000000000000000 R09: 0000000000000000
[  430.167362][ T7613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ed95
[  430.167363][ T7613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffddca56b0
| [  441.417007][ T7964] softirqs last disabled at (23954): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  441.417009][ T7964] Preemption disabled at:
| [  441.417010][ T7964] vprintk_emit (kernel/printk/printk.c:2471)
| [  441.417018][ T7964] Tainted: [W]=WARN
[  441.417019][ T7964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  441.417021][ T7964] Call Trace:
[  441.417022][ T7964]  <TASK>
[  441.417024][ T7964]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  441.417029][ T7964]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  441.417031][ T7964]  __might_resched.cold (kernel/sched/core.c:9234)
[  441.417036][ T7964]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  441.417040][ T7964]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  441.417044][ T7964]  __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))
[  441.417046][ T7964]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.417052][ T7964]  ? 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)
[  441.417055][ T7964]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.417059][ T7964]  put_chars (drivers/char/virtio_console.c:1176)
[  441.417061][ T7964]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  441.417067][ T7964]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  441.417075][ T7964]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  441.417078][ T7964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.417082][ T7964]  console_emit_next_record (kernel/printk/printk.c:3183)
[  441.417086][ T7964]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  441.417088][ T7964]  ? 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))
[  441.417091][ T7964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.417094][ T7964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.417098][ T7964]  console_flush_one_record (kernel/printk/printk.c:3268)
[  441.417102][ T7964]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  441.417104][ T7964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.417109][ T7964]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  441.417112][ T7964]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  441.417114][ T7964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.417115][ T7964]  ? 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)
[  441.417119][ T7964]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  441.417121][ T7964]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  441.417123][ T7964]  vprintk_emit (kernel/printk/printk.c:2479)
[  441.417127][ T7964]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  441.417129][ T7964]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  441.417134][ T7964]  _printk (kernel/printk/printk.c:2504)
[  441.417138][ T7964]  ? snapshot_read.cold (user.c:?)
[  441.417140][ T7964]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  441.417142][ T7964]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  441.417145][ T7964]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  441.417147][ T7964]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  441.417151][ T7964]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  441.417154][ T7964]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.417156][ T7964]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  441.417159][ T7964]  ? netdev_notice (net/core/dev.c:13194)
[  441.417162][ T7964]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.417165][ T7964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.417167][ T7964]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  441.417171][ T7964]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.417173][ T7964]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  441.417175][ T7964]  ? register_netdev (net/core/dev.c:11618)
[  441.417176][ T7964]  ? 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))
[  441.417181][ T7964]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  441.417184][ T7964]  ? __kernel_text_address (kernel/extable.c:79)
[  441.417186][ T7964]  ? write_profile (profile.c:?)
[  441.417190][ T7964]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  441.417196][ T7964]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.417203][ T7964]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  441.417205][ T7964]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  441.417206][ T7964]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  441.417208][ T7964]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  441.417211][ T7964]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  441.417213][ T7964]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  441.417215][ T7964]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  441.417218][ T7964]  ? kasan_save_stack (mm/kasan/common.c:58)
[  441.417219][ T7964]  ? kasan_save_stack (mm/kasan/common.c:57)
[  441.417221][ T7964]  ? kasan_save_track (mm/kasan/common.c:78)
[  441.417222][ T7964]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  441.417224][ T7964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.417226][ T7964]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  441.417229][ T7964]  ? ___sys_sendmsg (net/socket.c:2758)
[  441.417233][ T7964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.417235][ T7964]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  441.417237][ T7964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.417239][ T7964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.417241][ T7964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.417242][ T7964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.417243][ T7964]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  441.417246][ T7964]  ? __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)
[  441.417247][ T7964]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  441.417249][ T7964]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  441.417252][ T7964]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  441.417253][ T7964]  ? nla_get_range_signed (lib/nlattr.c:270)
[  441.417258][ T7964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.417260][ T7964]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  441.417265][ T7964]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  441.417270][ T7964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.417272][ T7964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.417277][ T7964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.417279][ T7964]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.417280][ T7964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.417282][ T7964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.417286][ T7964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.417288][ T7964]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  441.417291][ T7964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  441.417292][ T7964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.417297][ T7964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.417298][ T7964]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.417302][ T7964]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  441.417305][ T7964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  441.417308][ T7964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  441.417314][ T7964]  ? 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))
[  441.417316][ T7964]  ? 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))
[  441.417320][ T7964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  441.417324][ T7964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  441.417327][ T7964]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.417331][ T7964]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  441.417335][ T7964]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  441.417338][ T7964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.417340][ T7964]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  441.417345][ T7964]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  441.417348][ T7964]  ____sys_sendmsg (net/socket.c:2713)
[  441.417350][ T7964]  ? copy_msghdr_from_user (net/socket.c:2650)
[  441.417352][ T7964]  ? sock_write_iter (net/socket.c:1269)
[  441.417354][ T7964]  ? move_addr_to_kernel (net/socket.c:258)
[  441.417361][ T7964]  ___sys_sendmsg (net/socket.c:2767)
[  441.417363][ T7964]  ? copy_msghdr_from_user (net/socket.c:2619)
[  441.417379][ T7964]  __sys_sendmsg (net/socket.c:2799)
[  441.417382][ T7964]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  441.417388][ T7964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.417393][ T7964]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  441.417396][ T7964]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  441.417399][ T7964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  441.417401][ T7964] RIP: 0033:0x7f2ff808654e
[  441.417405][ T7964] 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
[  441.417406][ T7964] RSP: 002b:00007ffc65da4340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  441.417409][ T7964] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2ff808654e
[  441.417410][ T7964] RDX: 0000000000000000 RSI: 00007ffc65da43f0 RDI: 0000000000000005
[  441.417411][ T7964] RBP: 00007ffc65da4350 R08: 0000000000000000 R09: 0000000000000000
[  441.417412][ T7964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eda0
[  441.417413][ T7964] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc65da4ac0
| [  449.837563][ T8100] softirqs last disabled at (28678): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  449.837565][ T8100] Preemption disabled at:
| [  449.837566][ T8100] vprintk_emit (kernel/printk/printk.c:2471)
| [  449.837574][ T8100] Tainted: [W]=WARN
[  449.837575][ T8100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  449.837577][ T8100] Call Trace:
[  449.837579][ T8100]  <TASK>
[  449.837580][ T8100]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  449.837586][ T8100]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  449.837587][ T8100]  __might_resched.cold (kernel/sched/core.c:9234)
[  449.837592][ T8100]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  449.837597][ T8100]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  449.837601][ T8100]  __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))
[  449.837603][ T8100]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  449.837609][ T8100]  ? 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)
[  449.837612][ T8100]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  449.837615][ T8100]  put_chars (drivers/char/virtio_console.c:1176)
[  449.837618][ T8100]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  449.837624][ T8100]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  449.837632][ T8100]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  449.837635][ T8100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.837639][ T8100]  console_emit_next_record (kernel/printk/printk.c:3183)
[  449.837643][ T8100]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  449.837645][ T8100]  ? 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))
[  449.837648][ T8100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.837651][ T8100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.837655][ T8100]  console_flush_one_record (kernel/printk/printk.c:3268)
[  449.837659][ T8100]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  449.837661][ T8100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  449.837666][ T8100]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  449.837669][ T8100]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  449.837670][ T8100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.837672][ T8100]  ? 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)
[  449.837676][ T8100]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  449.837677][ T8100]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  449.837680][ T8100]  vprintk_emit (kernel/printk/printk.c:2479)
[  449.837683][ T8100]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  449.837686][ T8100]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  449.837691][ T8100]  _printk (kernel/printk/printk.c:2504)
[  449.837694][ T8100]  ? snapshot_read.cold (user.c:?)
[  449.837696][ T8100]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  449.837699][ T8100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  449.837702][ T8100]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  449.837704][ T8100]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  449.837707][ T8100]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  449.837710][ T8100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  449.837712][ T8100]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  449.837715][ T8100]  ? netdev_notice (net/core/dev.c:13194)
[  449.837718][ T8100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  449.837721][ T8100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  449.837723][ T8100]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  449.837727][ T8100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  449.837729][ T8100]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  449.837731][ T8100]  ? register_netdev (net/core/dev.c:11618)
[  449.837732][ T8100]  ? 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))
[  449.837737][ T8100]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  449.837740][ T8100]  ? __kernel_text_address (kernel/extable.c:79)
[  449.837742][ T8100]  ? write_profile (profile.c:?)
[  449.837746][ T8100]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  449.837752][ T8100]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  449.837755][ T8100]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  449.837757][ T8100]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  449.837759][ T8100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  449.837761][ T8100]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  449.837764][ T8100]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  449.837766][ T8100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  449.837768][ T8100]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  449.837770][ T8100]  ? kasan_save_stack (mm/kasan/common.c:58)
[  449.837772][ T8100]  ? kasan_save_stack (mm/kasan/common.c:57)
[  449.837774][ T8100]  ? kasan_save_track (mm/kasan/common.c:78)
[  449.837775][ T8100]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  449.837777][ T8100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  449.837779][ T8100]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  449.837782][ T8100]  ? ___sys_sendmsg (net/socket.c:2758)
[  449.837785][ T8100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  449.837788][ T8100]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  449.837790][ T8100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.837792][ T8100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.837793][ T8100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.837794][ T8100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.837796][ T8100]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  449.837798][ T8100]  ? __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)
[  449.837800][ T8100]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  449.837802][ T8100]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  449.837805][ T8100]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  449.837806][ T8100]  ? nla_get_range_signed (lib/nlattr.c:270)
[  449.837811][ T8100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.837813][ T8100]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  449.837818][ T8100]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  449.837823][ T8100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  449.837825][ T8100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  449.837830][ T8100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  449.837831][ T8100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  449.837833][ T8100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  449.837835][ T8100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  449.837839][ T8100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  449.837841][ T8100]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  449.837844][ T8100]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  449.837845][ T8100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  449.837850][ T8100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  449.837851][ T8100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  449.837855][ T8100]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  449.837858][ T8100]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  449.837861][ T8100]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  449.837867][ T8100]  ? 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))
[  449.837869][ T8100]  ? 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))
[  449.837874][ T8100]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  449.837877][ T8100]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  449.837880][ T8100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  449.837884][ T8100]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  449.837888][ T8100]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  449.837892][ T8100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  449.837893][ T8100]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  449.837898][ T8100]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  449.837901][ T8100]  ____sys_sendmsg (net/socket.c:2713)
[  449.837903][ T8100]  ? copy_msghdr_from_user (net/socket.c:2650)
[  449.837905][ T8100]  ? sock_write_iter (net/socket.c:1269)
[  449.837907][ T8100]  ? move_addr_to_kernel (net/socket.c:258)
[  449.837914][ T8100]  ___sys_sendmsg (net/socket.c:2767)
[  449.837917][ T8100]  ? copy_msghdr_from_user (net/socket.c:2619)
[  449.837932][ T8100]  __sys_sendmsg (net/socket.c:2799)
[  449.837935][ T8100]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  449.837941][ T8100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.837944][ T8100]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  449.837947][ T8100]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  449.837950][ T8100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  449.837952][ T8100] RIP: 0033:0x7f885e5a054e
[  449.837956][ T8100] 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
[  449.837958][ T8100] RSP: 002b:00007ffe34e149e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  449.837960][ T8100] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f885e5a054e
[  449.837962][ T8100] RDX: 0000000000000000 RSI: 00007ffe34e14a90 RDI: 0000000000000005
[  449.837963][ T8100] RBP: 00007ffe34e149f0 R08: 0000000000000000 R09: 0000000000000000
[  449.837964][ T8100] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eda9
[  449.837964][ T8100] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe34e15160
| [  458.281967][ T8236] softirqs last disabled at (18516): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  458.281969][ T8236] Preemption disabled at:
| [  458.281970][ T8236] vprintk_emit (kernel/printk/printk.c:2471)
| [  458.281978][ T8236] Tainted: [W]=WARN
[  458.281979][ T8236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  458.281980][ T8236] Call Trace:
[  458.281982][ T8236]  <TASK>
[  458.281984][ T8236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  458.281989][ T8236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  458.281991][ T8236]  __might_resched.cold (kernel/sched/core.c:9234)
[  458.281996][ T8236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  458.282000][ T8236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  458.282005][ T8236]  __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))
[  458.282006][ T8236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  458.282013][ T8236]  ? 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)
[  458.282015][ T8236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  458.282019][ T8236]  put_chars (drivers/char/virtio_console.c:1176)
[  458.282022][ T8236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  458.282028][ T8236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  458.282035][ T8236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  458.282038][ T8236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.282043][ T8236]  console_emit_next_record (kernel/printk/printk.c:3183)
[  458.282047][ T8236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  458.282049][ T8236]  ? 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))
[  458.282052][ T8236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.282055][ T8236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.282059][ T8236]  console_flush_one_record (kernel/printk/printk.c:3268)
[  458.282063][ T8236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  458.282065][ T8236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  458.282070][ T8236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  458.282073][ T8236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  458.282075][ T8236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.282076][ T8236]  ? 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)
[  458.282080][ T8236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  458.282082][ T8236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  458.282084][ T8236]  vprintk_emit (kernel/printk/printk.c:2479)
[  458.282088][ T8236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  458.282090][ T8236]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  458.282095][ T8236]  _printk (kernel/printk/printk.c:2504)
[  458.282099][ T8236]  ? snapshot_read.cold (user.c:?)
[  458.282101][ T8236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  458.282103][ T8236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  458.282106][ T8236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  458.282108][ T8236]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  458.282112][ T8236]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  458.282115][ T8236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  458.282117][ T8236]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  458.282120][ T8236]  ? netdev_notice (net/core/dev.c:13194)
[  458.282123][ T8236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  458.282126][ T8236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  458.282128][ T8236]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  458.282132][ T8236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  458.282134][ T8236]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  458.282136][ T8236]  ? register_netdev (net/core/dev.c:11618)
[  458.282137][ T8236]  ? 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))
[  458.282143][ T8236]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  458.282145][ T8236]  ? __kernel_text_address (kernel/extable.c:79)
[  458.282148][ T8236]  ? write_profile (profile.c:?)
[  458.282152][ T8236]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  458.282158][ T8236]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  458.282161][ T8236]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  458.282163][ T8236]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  458.282164][ T8236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  458.282166][ T8236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  458.282170][ T8236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  458.282172][ T8236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  458.282173][ T8236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  458.282176][ T8236]  ? kasan_save_stack (mm/kasan/common.c:58)
[  458.282178][ T8236]  ? kasan_save_stack (mm/kasan/common.c:57)
[  458.282179][ T8236]  ? kasan_save_track (mm/kasan/common.c:78)
[  458.282180][ T8236]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  458.282182][ T8236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  458.282184][ T8236]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  458.282187][ T8236]  ? ___sys_sendmsg (net/socket.c:2758)
[  458.282191][ T8236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  458.282193][ T8236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  458.282196][ T8236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.282197][ T8236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.282199][ T8236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.282200][ T8236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.282201][ T8236]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  458.282204][ T8236]  ? __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)
[  458.282205][ T8236]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  458.282207][ T8236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  458.282210][ T8236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  458.282211][ T8236]  ? nla_get_range_signed (lib/nlattr.c:270)
[  458.282216][ T8236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.282218][ T8236]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  458.282224][ T8236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  458.282229][ T8236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  458.282231][ T8236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  458.282235][ T8236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  458.282237][ T8236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  458.282239][ T8236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  458.282241][ T8236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  458.282245][ T8236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  458.282247][ T8236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  458.282250][ T8236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  458.282251][ T8236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  458.282256][ T8236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  458.282262][ T8236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  458.282265][ T8236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  458.282268][ T8236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  458.282271][ T8236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  458.282278][ T8236]  ? 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))
[  458.282280][ T8236]  ? 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))
[  458.282284][ T8236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  458.282288][ T8236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  458.282290][ T8236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  458.282295][ T8236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  458.282299][ T8236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  458.282302][ T8236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  458.282304][ T8236]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  458.282309][ T8236]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  458.282312][ T8236]  ____sys_sendmsg (net/socket.c:2713)
[  458.282314][ T8236]  ? copy_msghdr_from_user (net/socket.c:2650)
[  458.282317][ T8236]  ? sock_write_iter (net/socket.c:1269)
[  458.282318][ T8236]  ? move_addr_to_kernel (net/socket.c:258)
[  458.282325][ T8236]  ___sys_sendmsg (net/socket.c:2767)
[  458.282328][ T8236]  ? copy_msghdr_from_user (net/socket.c:2619)
[  458.282343][ T8236]  __sys_sendmsg (net/socket.c:2799)
[  458.282346][ T8236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  458.282352][ T8236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.282355][ T8236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  458.282358][ T8236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  458.282361][ T8236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  458.282363][ T8236] RIP: 0033:0x7f4e7b4fe54e
[  458.282367][ T8236] 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
[  458.282369][ T8236] RSP: 002b:00007ffc7e0f7370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  458.282371][ T8236] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4e7b4fe54e
[  458.282373][ T8236] RDX: 0000000000000000 RSI: 00007ffc7e0f7420 RDI: 0000000000000005
[  458.282374][ T8236] RBP: 00007ffc7e0f7380 R08: 0000000000000000 R09: 0000000000000000
[  458.282374][ T8236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edb1
[  458.282375][ T8236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7e0f7af0
| [  466.726742][ T8372] softirqs last disabled at (27498): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  466.726744][ T8372] Preemption disabled at:
| [  466.726745][ T8372] vprintk_emit (kernel/printk/printk.c:2471)
| [  466.726753][ T8372] Tainted: [W]=WARN
[  466.726754][ T8372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.726756][ T8372] Call Trace:
[  466.726757][ T8372]  <TASK>
[  466.726759][ T8372]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.726765][ T8372]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  466.726766][ T8372]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.726771][ T8372]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.726775][ T8372]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  466.726779][ T8372]  __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))
[  466.726781][ T8372]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.726788][ T8372]  ? 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)
[  466.726790][ T8372]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.726794][ T8372]  put_chars (drivers/char/virtio_console.c:1176)
[  466.726796][ T8372]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.726803][ T8372]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.726810][ T8372]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.726813][ T8372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.726818][ T8372]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.726822][ T8372]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.726824][ T8372]  ? 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))
[  466.726827][ T8372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.726829][ T8372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.726833][ T8372]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.726837][ T8372]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.726839][ T8372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.726845][ T8372]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.726847][ T8372]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.726849][ T8372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.726851][ T8372]  ? 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)
[  466.726854][ T8372]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.726856][ T8372]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.726859][ T8372]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.726862][ T8372]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.726865][ T8372]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  466.726870][ T8372]  _printk (kernel/printk/printk.c:2504)
[  466.726873][ T8372]  ? snapshot_read.cold (user.c:?)
[  466.726875][ T8372]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.726878][ T8372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.726880][ T8372]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.726882][ T8372]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  466.726886][ T8372]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  466.726889][ T8372]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.726891][ T8372]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  466.726894][ T8372]  ? netdev_notice (net/core/dev.c:13194)
[  466.726896][ T8372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.726900][ T8372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.726902][ T8372]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  466.726906][ T8372]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.726908][ T8372]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  466.726910][ T8372]  ? register_netdev (net/core/dev.c:11618)
[  466.726911][ T8372]  ? 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))
[  466.726916][ T8372]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  466.726918][ T8372]  ? __kernel_text_address (kernel/extable.c:79)
[  466.726921][ T8372]  ? write_profile (profile.c:?)
[  466.726925][ T8372]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  466.726930][ T8372]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.726934][ T8372]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  466.726936][ T8372]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  466.726937][ T8372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  466.726939][ T8372]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  466.726942][ T8372]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.726944][ T8372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.726946][ T8372]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.726948][ T8372]  ? kasan_save_stack (mm/kasan/common.c:58)
[  466.726950][ T8372]  ? kasan_save_stack (mm/kasan/common.c:57)
[  466.726951][ T8372]  ? kasan_save_track (mm/kasan/common.c:78)
[  466.726952][ T8372]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  466.726955][ T8372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.726956][ T8372]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  466.726959][ T8372]  ? ___sys_sendmsg (net/socket.c:2758)
[  466.726963][ T8372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.726965][ T8372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.726967][ T8372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.726969][ T8372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.726970][ T8372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.726972][ T8372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.726973][ T8372]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  466.726975][ T8372]  ? __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)
[  466.726977][ T8372]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  466.726978][ T8372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.726982][ T8372]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  466.726983][ T8372]  ? nla_get_range_signed (lib/nlattr.c:270)
[  466.726988][ T8372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.726990][ T8372]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  466.726995][ T8372]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  466.727000][ T8372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.727002][ T8372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.727007][ T8372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.727009][ T8372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.727011][ T8372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.727012][ T8372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.727016][ T8372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.727018][ T8372]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  466.727021][ T8372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.727023][ T8372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.727027][ T8372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.727029][ T8372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.727032][ T8372]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  466.727035][ T8372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.727038][ T8372]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  466.727045][ T8372]  ? 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))
[  466.727047][ T8372]  ? 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))
[  466.727051][ T8372]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  466.727055][ T8372]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  466.727057][ T8372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.727062][ T8372]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  466.727065][ T8372]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  466.727069][ T8372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.727071][ T8372]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  466.727076][ T8372]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  466.727079][ T8372]  ____sys_sendmsg (net/socket.c:2713)
[  466.727081][ T8372]  ? copy_msghdr_from_user (net/socket.c:2650)
[  466.727083][ T8372]  ? sock_write_iter (net/socket.c:1269)
[  466.727085][ T8372]  ? move_addr_to_kernel (net/socket.c:258)
[  466.727092][ T8372]  ___sys_sendmsg (net/socket.c:2767)
[  466.727095][ T8372]  ? copy_msghdr_from_user (net/socket.c:2619)
[  466.727111][ T8372]  __sys_sendmsg (net/socket.c:2799)
[  466.727113][ T8372]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  466.727120][ T8372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.727123][ T8372]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  466.727126][ T8372]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  466.727128][ T8372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  466.727131][ T8372] RIP: 0033:0x7f8d0614754e
[  466.727134][ T8372] 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
[  466.727136][ T8372] RSP: 002b:00007ffed5ff6ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  466.727139][ T8372] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8d0614754e
[  466.727140][ T8372] RDX: 0000000000000000 RSI: 00007ffed5ff6b70 RDI: 0000000000000005
[  466.727141][ T8372] RBP: 00007ffed5ff6ad0 R08: 0000000000000000 R09: 0000000000000000
[  466.727142][ T8372] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edba
[  466.727142][ T8372] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed5ff7240
| [  475.258938][ T8515] softirqs last disabled at (22126): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  475.258940][ T8515] Preemption disabled at:
| [  475.258941][ T8515] vprintk_emit (kernel/printk/printk.c:2471)
| [  475.258949][ T8515] Tainted: [W]=WARN
[  475.258950][ T8515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.258951][ T8515] Call Trace:
[  475.258953][ T8515]  <TASK>
[  475.258954][ T8515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  475.258959][ T8515]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  475.258961][ T8515]  __might_resched.cold (kernel/sched/core.c:9234)
[  475.258966][ T8515]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.258970][ T8515]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  475.258974][ T8515]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  475.258976][ T8515]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.258983][ T8515]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  475.258985][ T8515]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.258989][ T8515]  put_chars (drivers/char/virtio_console.c:1176)
[  475.258991][ T8515]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  475.258997][ T8515]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  475.259005][ T8515]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  475.259008][ T8515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.259012][ T8515]  console_emit_next_record (kernel/printk/printk.c:3183)
[  475.259016][ T8515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  475.259018][ T8515]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  475.259021][ T8515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.259024][ T8515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.259028][ T8515]  console_flush_one_record (kernel/printk/printk.c:3268)
[  475.259032][ T8515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  475.259034][ T8515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.259039][ T8515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  475.259042][ T8515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  475.259044][ T8515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.259045][ T8515]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  475.259049][ T8515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  475.259051][ T8515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  475.259054][ T8515]  vprintk_emit (kernel/printk/printk.c:2479)
[  475.259057][ T8515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  475.259059][ T8515]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  475.259064][ T8515]  _printk (kernel/printk/printk.c:2504)
[  475.259068][ T8515]  ? snapshot_read.cold (user.c:?)
[  475.259070][ T8515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.259073][ T8515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.259075][ T8515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.259077][ T8515]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  475.259081][ T8515]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  475.259083][ T8515]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.259086][ T8515]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  475.259089][ T8515]  ? netdev_notice (net/core/dev.c:13194)
[  475.259091][ T8515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.259094][ T8515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.259097][ T8515]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  475.259100][ T8515]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.259102][ T8515]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  475.259104][ T8515]  ? register_netdev (net/core/dev.c:11618)
[  475.259106][ T8515]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  475.259111][ T8515]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  475.259113][ T8515]  ? __kernel_text_address (kernel/extable.c:79)
[  475.259116][ T8515]  ? write_profile (profile.c:?)
[  475.259120][ T8515]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  475.259125][ T8515]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.259128][ T8515]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  475.259130][ T8515]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  475.259132][ T8515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  475.259133][ T8515]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  475.259137][ T8515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.259139][ T8515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.259140][ T8515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.259143][ T8515]  ? kasan_save_stack (mm/kasan/common.c:58)
[  475.259144][ T8515]  ? kasan_save_stack (mm/kasan/common.c:57)
[  475.259146][ T8515]  ? kasan_save_track (mm/kasan/common.c:78)
[  475.259147][ T8515]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  475.259149][ T8515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.259151][ T8515]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  475.259154][ T8515]  ? ___sys_sendmsg (net/socket.c:2758)
[  475.259157][ T8515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.259159][ T8515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.259162][ T8515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.259164][ T8515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.259165][ T8515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.259166][ T8515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.259168][ T8515]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  475.259170][ T8515]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  475.259171][ T8515]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  475.259173][ T8515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.259176][ T8515]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  475.259177][ T8515]  ? nla_get_range_signed (lib/nlattr.c:270)
[  475.259182][ T8515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.259184][ T8515]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  475.259190][ T8515]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  475.259195][ T8515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.259197][ T8515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.259201][ T8515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.259203][ T8515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.259205][ T8515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.259206][ T8515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.259210][ T8515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.259212][ T8515]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  475.259215][ T8515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.259217][ T8515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.259221][ T8515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.259223][ T8515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.259226][ T8515]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  475.259229][ T8515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.259232][ T8515]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  475.259239][ T8515]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  475.259241][ T8515]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  475.259245][ T8515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  475.259249][ T8515]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  475.259252][ T8515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.259256][ T8515]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  475.259260][ T8515]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  475.259263][ T8515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.259265][ T8515]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  475.259270][ T8515]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  475.259273][ T8515]  ____sys_sendmsg (net/socket.c:2713)
[  475.259275][ T8515]  ? copy_msghdr_from_user (net/socket.c:2650)
[  475.259277][ T8515]  ? sock_write_iter (net/socket.c:1269)
[  475.259279][ T8515]  ? move_addr_to_kernel (net/socket.c:258)
[  475.259286][ T8515]  ___sys_sendmsg (net/socket.c:2767)
[  475.259289][ T8515]  ? copy_msghdr_from_user (net/socket.c:2619)
[  475.259305][ T8515]  __sys_sendmsg (net/socket.c:2799)
[  475.259308][ T8515]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  475.259314][ T8515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.259320][ T8515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  475.259323][ T8515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  475.259326][ T8515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  475.259328][ T8515] RIP: 0033:0x7f502148f54e
[  475.259331][ T8515] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  475.259333][ T8515] RSP: 002b:00007fffa08fcf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  475.259336][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f502148f54e
[  475.259337][ T8515] RDX: 0000000000000000 RSI: 00007fffa08fd000 RDI: 0000000000000005
[  475.259338][ T8515] RBP: 00007fffa08fcf60 R08: 0000000000000000 R09: 0000000000000000
[  475.259339][ T8515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edc2
[  475.259340][ T8515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa08fd6d0
| [  483.806987][ T8658] softirqs last disabled at (19280): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  483.806990][ T8658] Preemption disabled at:
| [  483.806990][ T8658] vprintk_emit (kernel/printk/printk.c:2471)
| [  483.806999][ T8658] Tainted: [W]=WARN
[  483.806999][ T8658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  483.807001][ T8658] Call Trace:
[  483.807002][ T8658]  <TASK>
[  483.807004][ T8658]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  483.807010][ T8658]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  483.807011][ T8658]  __might_resched.cold (kernel/sched/core.c:9234)
[  483.807016][ T8658]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  483.807021][ T8658]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  483.807025][ T8658]  __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))
[  483.807027][ T8658]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.807033][ T8658]  ? 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)
[  483.807036][ T8658]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.807039][ T8658]  put_chars (drivers/char/virtio_console.c:1176)
[  483.807042][ T8658]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  483.807048][ T8658]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  483.807055][ T8658]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  483.807058][ T8658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.807063][ T8658]  console_emit_next_record (kernel/printk/printk.c:3183)
[  483.807067][ T8658]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  483.807068][ T8658]  ? 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))
[  483.807072][ T8658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.807074][ T8658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.807078][ T8658]  console_flush_one_record (kernel/printk/printk.c:3268)
[  483.807082][ T8658]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  483.807084][ T8658]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  483.807089][ T8658]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  483.807092][ T8658]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  483.807094][ T8658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.807095][ T8658]  ? 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)
[  483.807099][ T8658]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  483.807101][ T8658]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  483.807103][ T8658]  vprintk_emit (kernel/printk/printk.c:2479)
[  483.807106][ T8658]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  483.807109][ T8658]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  483.807114][ T8658]  _printk (kernel/printk/printk.c:2504)
[  483.807117][ T8658]  ? snapshot_read.cold (user.c:?)
[  483.807119][ T8658]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  483.807122][ T8658]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  483.807125][ T8658]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  483.807127][ T8658]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  483.807130][ T8658]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  483.807133][ T8658]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  483.807135][ T8658]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  483.807138][ T8658]  ? netdev_notice (net/core/dev.c:13194)
[  483.807141][ T8658]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.807144][ T8658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  483.807146][ T8658]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  483.807149][ T8658]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  483.807151][ T8658]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  483.807153][ T8658]  ? register_netdev (net/core/dev.c:11618)
[  483.807155][ T8658]  ? 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))
[  483.807160][ T8658]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  483.807162][ T8658]  ? __kernel_text_address (kernel/extable.c:79)
[  483.807165][ T8658]  ? write_profile (profile.c:?)
[  483.807169][ T8658]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  483.807174][ T8658]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  483.807178][ T8658]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  483.807180][ T8658]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  483.807181][ T8658]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  483.807183][ T8658]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  483.807186][ T8658]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  483.807188][ T8658]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  483.807190][ T8658]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  483.807192][ T8658]  ? kasan_save_stack (mm/kasan/common.c:58)
[  483.807194][ T8658]  ? kasan_save_stack (mm/kasan/common.c:57)
[  483.807195][ T8658]  ? kasan_save_track (mm/kasan/common.c:78)
[  483.807196][ T8658]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  483.807198][ T8658]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  483.807200][ T8658]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  483.807203][ T8658]  ? ___sys_sendmsg (net/socket.c:2758)
[  483.807207][ T8658]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  483.807209][ T8658]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  483.807211][ T8658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.807213][ T8658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.807215][ T8658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.807216][ T8658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.807217][ T8658]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  483.807219][ T8658]  ? __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)
[  483.807221][ T8658]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  483.807223][ T8658]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  483.807226][ T8658]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  483.807227][ T8658]  ? nla_get_range_signed (lib/nlattr.c:270)
[  483.807232][ T8658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.807234][ T8658]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  483.807239][ T8658]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  483.807244][ T8658]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.807246][ T8658]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  483.807250][ T8658]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  483.807252][ T8658]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.807254][ T8658]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.807256][ T8658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  483.807259][ T8658]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.807261][ T8658]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  483.807265][ T8658]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  483.807266][ T8658]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  483.807270][ T8658]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  483.807272][ T8658]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.807276][ T8658]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  483.807279][ T8658]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  483.807282][ T8658]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  483.807288][ T8658]  ? 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))
[  483.807290][ T8658]  ? 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))
[  483.807294][ T8658]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  483.807298][ T8658]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  483.807301][ T8658]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.807305][ T8658]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  483.807309][ T8658]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  483.807313][ T8658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  483.807314][ T8658]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  483.807319][ T8658]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  483.807322][ T8658]  ____sys_sendmsg (net/socket.c:2713)
[  483.807324][ T8658]  ? copy_msghdr_from_user (net/socket.c:2650)
[  483.807327][ T8658]  ? sock_write_iter (net/socket.c:1269)
[  483.807328][ T8658]  ? move_addr_to_kernel (net/socket.c:258)
[  483.807335][ T8658]  ___sys_sendmsg (net/socket.c:2767)
[  483.807338][ T8658]  ? copy_msghdr_from_user (net/socket.c:2619)
[  483.807358][ T8658]  __sys_sendmsg (net/socket.c:2799)
[  483.807360][ T8658]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  483.807367][ T8658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.807370][ T8658]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  483.807372][ T8658]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  483.807375][ T8658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  483.807378][ T8658] RIP: 0033:0x7fc28f5ac54e
[  483.807381][ T8658] 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
[  483.807383][ T8658] RSP: 002b:00007ffc6e901a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  483.807385][ T8658] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc28f5ac54e
[  483.807387][ T8658] RDX: 0000000000000000 RSI: 00007ffc6e901ab0 RDI: 0000000000000005
[  483.807390][ T8658] RBP: 00007ffc6e901a10 R08: 0000000000000000 R09: 0000000000000000
[  483.807391][ T8658] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edcb
[  483.807392][ T8658] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6e902180
| [  492.326017][ T8801] softirqs last disabled at (17806): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  492.326020][ T8801] Preemption disabled at:
| [  492.326020][ T8801] vprintk_emit (kernel/printk/printk.c:2471)
| [  492.326028][ T8801] Tainted: [W]=WARN
[  492.326029][ T8801] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  492.326030][ T8801] Call Trace:
[  492.326032][ T8801]  <TASK>
[  492.326034][ T8801]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  492.326040][ T8801]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  492.326041][ T8801]  __might_resched.cold (kernel/sched/core.c:9234)
[  492.326046][ T8801]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  492.326050][ T8801]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  492.326054][ T8801]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  492.326056][ T8801]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.326063][ T8801]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  492.326065][ T8801]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.326069][ T8801]  put_chars (drivers/char/virtio_console.c:1176)
[  492.326071][ T8801]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  492.326077][ T8801]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  492.326085][ T8801]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  492.326088][ T8801]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.326092][ T8801]  console_emit_next_record (kernel/printk/printk.c:3183)
[  492.326096][ T8801]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  492.326098][ T8801]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  492.326101][ T8801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.326104][ T8801]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.326107][ T8801]  console_flush_one_record (kernel/printk/printk.c:3268)
[  492.326111][ T8801]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  492.326113][ T8801]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.326118][ T8801]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  492.326121][ T8801]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  492.326123][ T8801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.326125][ T8801]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  492.326128][ T8801]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  492.326130][ T8801]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  492.326133][ T8801]  vprintk_emit (kernel/printk/printk.c:2479)
[  492.326136][ T8801]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  492.326138][ T8801]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  492.326143][ T8801]  _printk (kernel/printk/printk.c:2504)
[  492.326147][ T8801]  ? snapshot_read.cold (user.c:?)
[  492.326148][ T8801]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  492.326151][ T8801]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  492.326154][ T8801]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  492.326156][ T8801]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  492.326160][ T8801]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  492.326163][ T8801]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.326165][ T8801]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  492.326168][ T8801]  ? netdev_notice (net/core/dev.c:13194)
[  492.326171][ T8801]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.326174][ T8801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.326176][ T8801]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  492.326179][ T8801]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.326181][ T8801]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  492.326183][ T8801]  ? register_netdev (net/core/dev.c:11618)
[  492.326185][ T8801]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  492.326190][ T8801]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  492.326193][ T8801]  ? __kernel_text_address (kernel/extable.c:79)
[  492.326195][ T8801]  ? write_profile (profile.c:?)
[  492.326199][ T8801]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  492.326204][ T8801]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.326208][ T8801]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  492.326210][ T8801]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  492.326211][ T8801]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  492.326213][ T8801]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  492.326216][ T8801]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  492.326218][ T8801]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  492.326220][ T8801]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  492.326222][ T8801]  ? kasan_save_stack (mm/kasan/common.c:58)
[  492.326224][ T8801]  ? kasan_save_stack (mm/kasan/common.c:57)
[  492.326225][ T8801]  ? kasan_save_track (mm/kasan/common.c:78)
[  492.326226][ T8801]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  492.326229][ T8801]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.326230][ T8801]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  492.326233][ T8801]  ? ___sys_sendmsg (net/socket.c:2758)
[  492.326237][ T8801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.326239][ T8801]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.326241][ T8801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.326243][ T8801]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.326245][ T8801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.326246][ T8801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.326247][ T8801]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  492.326250][ T8801]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  492.326251][ T8801]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  492.326253][ T8801]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.326256][ T8801]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  492.326257][ T8801]  ? nla_get_range_signed (lib/nlattr.c:270)
[  492.326262][ T8801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.326264][ T8801]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  492.326269][ T8801]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  492.326274][ T8801]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.326276][ T8801]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.326280][ T8801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.326282][ T8801]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.326284][ T8801]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.326286][ T8801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.326290][ T8801]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.326292][ T8801]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  492.326295][ T8801]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.326296][ T8801]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.326300][ T8801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.326302][ T8801]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.326306][ T8801]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  492.326309][ T8801]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.326311][ T8801]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  492.326318][ T8801]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  492.326320][ T8801]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  492.326324][ T8801]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  492.326328][ T8801]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  492.326330][ T8801]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.326334][ T8801]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  492.326338][ T8801]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  492.326342][ T8801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.326343][ T8801]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  492.326348][ T8801]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  492.326351][ T8801]  ____sys_sendmsg (net/socket.c:2713)
[  492.326353][ T8801]  ? copy_msghdr_from_user (net/socket.c:2650)
[  492.326356][ T8801]  ? sock_write_iter (net/socket.c:1269)
[  492.326357][ T8801]  ? move_addr_to_kernel (net/socket.c:258)
[  492.326364][ T8801]  ___sys_sendmsg (net/socket.c:2767)
[  492.326367][ T8801]  ? copy_msghdr_from_user (net/socket.c:2619)
[  492.326387][ T8801]  __sys_sendmsg (net/socket.c:2799)
[  492.326392][ T8801]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  492.326398][ T8801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.326401][ T8801]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  492.326404][ T8801]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  492.326407][ T8801]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  492.326409][ T8801] RIP: 0033:0x7fc59926c54e
[  492.326413][ T8801] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  492.326414][ T8801] RSP: 002b:00007ffe810da210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  492.326417][ T8801] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc59926c54e
[  492.326418][ T8801] RDX: 0000000000000000 RSI: 00007ffe810da2c0 RDI: 0000000000000005
[  492.326419][ T8801] RBP: 00007ffe810da220 R08: 0000000000000000 R09: 0000000000000000
[  492.326420][ T8801] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edd3
[  492.326421][ T8801] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe810da990
| [  500.862166][ T8944] softirqs last disabled at (23148): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  500.862169][ T8944] Preemption disabled at:
| [  500.862169][ T8944] vprintk_emit (kernel/printk/printk.c:2471)
| [  500.862177][ T8944] Tainted: [W]=WARN
[  500.862178][ T8944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  500.862180][ T8944] Call Trace:
[  500.862181][ T8944]  <TASK>
[  500.862183][ T8944]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  500.862188][ T8944]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  500.862190][ T8944]  __might_resched.cold (kernel/sched/core.c:9234)
[  500.862195][ T8944]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  500.862199][ T8944]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  500.862203][ T8944]  __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))
[  500.862205][ T8944]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.862211][ T8944]  ? 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)
[  500.862214][ T8944]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.862218][ T8944]  put_chars (drivers/char/virtio_console.c:1176)
[  500.862220][ T8944]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  500.862226][ T8944]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  500.862234][ T8944]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  500.862237][ T8944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.862241][ T8944]  console_emit_next_record (kernel/printk/printk.c:3183)
[  500.862245][ T8944]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  500.862247][ T8944]  ? 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))
[  500.862250][ T8944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.862253][ T8944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.862257][ T8944]  console_flush_one_record (kernel/printk/printk.c:3268)
[  500.862261][ T8944]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  500.862263][ T8944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.862268][ T8944]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  500.862271][ T8944]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  500.862273][ T8944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.862274][ T8944]  ? 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)
[  500.862278][ T8944]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  500.862280][ T8944]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  500.862282][ T8944]  vprintk_emit (kernel/printk/printk.c:2479)
[  500.862286][ T8944]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  500.862288][ T8944]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  500.862293][ T8944]  _printk (kernel/printk/printk.c:2504)
[  500.862297][ T8944]  ? snapshot_read.cold (user.c:?)
[  500.862299][ T8944]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  500.862301][ T8944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  500.862304][ T8944]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  500.862306][ T8944]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  500.862310][ T8944]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  500.862313][ T8944]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  500.862315][ T8944]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  500.862318][ T8944]  ? netdev_notice (net/core/dev.c:13194)
[  500.862321][ T8944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  500.862324][ T8944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  500.862326][ T8944]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  500.862330][ T8944]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  500.862332][ T8944]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  500.862334][ T8944]  ? register_netdev (net/core/dev.c:11618)
[  500.862335][ T8944]  ? 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))
[  500.862340][ T8944]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  500.862343][ T8944]  ? __kernel_text_address (kernel/extable.c:79)
[  500.862345][ T8944]  ? write_profile (profile.c:?)
[  500.862349][ T8944]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  500.862355][ T8944]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  500.862358][ T8944]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  500.862360][ T8944]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  500.862361][ T8944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  500.862363][ T8944]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  500.862367][ T8944]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  500.862369][ T8944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  500.862370][ T8944]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  500.862373][ T8944]  ? kasan_save_stack (mm/kasan/common.c:58)
[  500.862375][ T8944]  ? kasan_save_stack (mm/kasan/common.c:57)
[  500.862376][ T8944]  ? kasan_save_track (mm/kasan/common.c:78)
[  500.862377][ T8944]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  500.862379][ T8944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.862381][ T8944]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  500.862384][ T8944]  ? ___sys_sendmsg (net/socket.c:2758)
[  500.862388][ T8944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  500.862392][ T8944]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  500.862395][ T8944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.862396][ T8944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.862398][ T8944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.862399][ T8944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.862401][ T8944]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  500.862403][ T8944]  ? __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)
[  500.862404][ T8944]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  500.862406][ T8944]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  500.862413][ T8944]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  500.862414][ T8944]  ? nla_get_range_signed (lib/nlattr.c:270)
[  500.862419][ T8944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.862421][ T8944]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  500.862426][ T8944]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  500.862431][ T8944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  500.862433][ T8944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.862437][ T8944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  500.862439][ T8944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  500.862441][ T8944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  500.862443][ T8944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  500.862447][ T8944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  500.862449][ T8944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  500.862452][ T8944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  500.862453][ T8944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.862457][ T8944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  500.862459][ T8944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  500.862462][ T8944]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  500.862465][ T8944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  500.862468][ T8944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  500.862474][ T8944]  ? 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))
[  500.862476][ T8944]  ? 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))
[  500.862481][ T8944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  500.862485][ T8944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  500.862487][ T8944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  500.862491][ T8944]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  500.862495][ T8944]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  500.862499][ T8944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  500.862500][ T8944]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  500.862505][ T8944]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  500.862508][ T8944]  ____sys_sendmsg (net/socket.c:2713)
[  500.862510][ T8944]  ? copy_msghdr_from_user (net/socket.c:2650)
[  500.862512][ T8944]  ? sock_write_iter (net/socket.c:1269)
[  500.862514][ T8944]  ? move_addr_to_kernel (net/socket.c:258)
[  500.862521][ T8944]  ___sys_sendmsg (net/socket.c:2767)
[  500.862524][ T8944]  ? copy_msghdr_from_user (net/socket.c:2619)
[  500.862539][ T8944]  __sys_sendmsg (net/socket.c:2799)
[  500.862542][ T8944]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  500.862548][ T8944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.862551][ T8944]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  500.862554][ T8944]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  500.862556][ T8944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  500.862558][ T8944] RIP: 0033:0x7f466930c54e
[  500.862562][ T8944] 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
[  500.862564][ T8944] RSP: 002b:00007ffc55a2d0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  500.862566][ T8944] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f466930c54e
[  500.862568][ T8944] RDX: 0000000000000000 RSI: 00007ffc55a2d170 RDI: 0000000000000005
[  500.862569][ T8944] RBP: 00007ffc55a2d0d0 R08: 0000000000000000 R09: 0000000000000000
[  500.862569][ T8944] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eddc
[  500.862570][ T8944] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc55a2d840
| [  509.380010][ T9087] softirqs last disabled at (18878): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  509.380013][ T9087] Preemption disabled at:
| [  509.380013][ T9087] vprintk_emit (kernel/printk/printk.c:2471)
| [  509.380021][ T9087] Tainted: [W]=WARN
[  509.380022][ T9087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  509.380024][ T9087] Call Trace:
[  509.380025][ T9087]  <TASK>
[  509.380027][ T9087]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  509.380032][ T9087]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  509.380034][ T9087]  __might_resched.cold (kernel/sched/core.c:9234)
[  509.380039][ T9087]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  509.380043][ T9087]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  509.380047][ T9087]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  509.380049][ T9087]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  509.380055][ T9087]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  509.380058][ T9087]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  509.380062][ T9087]  put_chars (drivers/char/virtio_console.c:1176)
[  509.380064][ T9087]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  509.380071][ T9087]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  509.380078][ T9087]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  509.380081][ T9087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.380085][ T9087]  console_emit_next_record (kernel/printk/printk.c:3183)
[  509.380089][ T9087]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  509.380091][ T9087]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  509.380094][ T9087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.380097][ T9087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.380100][ T9087]  console_flush_one_record (kernel/printk/printk.c:3268)
[  509.380105][ T9087]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  509.380106][ T9087]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  509.380112][ T9087]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  509.380114][ T9087]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  509.380116][ T9087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.380118][ T9087]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  509.380121][ T9087]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  509.380123][ T9087]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  509.380126][ T9087]  vprintk_emit (kernel/printk/printk.c:2479)
[  509.380129][ T9087]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  509.380132][ T9087]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  509.380137][ T9087]  _printk (kernel/printk/printk.c:2504)
[  509.380140][ T9087]  ? snapshot_read.cold (user.c:?)
[  509.380142][ T9087]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  509.380145][ T9087]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  509.380147][ T9087]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  509.380149][ T9087]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  509.380153][ T9087]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  509.380156][ T9087]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  509.380158][ T9087]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  509.380161][ T9087]  ? netdev_notice (net/core/dev.c:13194)
[  509.380164][ T9087]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  509.380166][ T9087]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  509.380169][ T9087]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  509.380172][ T9087]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  509.380174][ T9087]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  509.380176][ T9087]  ? register_netdev (net/core/dev.c:11618)
[  509.380178][ T9087]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  509.380183][ T9087]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  509.380186][ T9087]  ? __kernel_text_address (kernel/extable.c:79)
[  509.380188][ T9087]  ? write_profile (profile.c:?)
[  509.380192][ T9087]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  509.380198][ T9087]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  509.380201][ T9087]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  509.380203][ T9087]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  509.380204][ T9087]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  509.380206][ T9087]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  509.380209][ T9087]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  509.380211][ T9087]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  509.380213][ T9087]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  509.380215][ T9087]  ? kasan_save_stack (mm/kasan/common.c:58)
[  509.380217][ T9087]  ? kasan_save_stack (mm/kasan/common.c:57)
[  509.380218][ T9087]  ? kasan_save_track (mm/kasan/common.c:78)
[  509.380220][ T9087]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  509.380222][ T9087]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  509.380224][ T9087]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  509.380227][ T9087]  ? ___sys_sendmsg (net/socket.c:2758)
[  509.380230][ T9087]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  509.380232][ T9087]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  509.380235][ T9087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.380236][ T9087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.380238][ T9087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.380239][ T9087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.380241][ T9087]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  509.380243][ T9087]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  509.380244][ T9087]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  509.380246][ T9087]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  509.380249][ T9087]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  509.380251][ T9087]  ? nla_get_range_signed (lib/nlattr.c:270)
[  509.380255][ T9087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.380258][ T9087]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  509.380263][ T9087]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  509.380268][ T9087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.380270][ T9087]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  509.380274][ T9087]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  509.380276][ T9087]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  509.380278][ T9087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.380280][ T9087]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  509.380284][ T9087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.380286][ T9087]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  509.380289][ T9087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  509.380290][ T9087]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  509.380294][ T9087]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  509.380296][ T9087]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  509.380300][ T9087]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  509.380303][ T9087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  509.380305][ T9087]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  509.380312][ T9087]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  509.380314][ T9087]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  509.380318][ T9087]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  509.380322][ T9087]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  509.380324][ T9087]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  509.380328][ T9087]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  509.380332][ T9087]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  509.380336][ T9087]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  509.380338][ T9087]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  509.380343][ T9087]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  509.380345][ T9087]  ____sys_sendmsg (net/socket.c:2713)
[  509.380347][ T9087]  ? copy_msghdr_from_user (net/socket.c:2650)
[  509.380350][ T9087]  ? sock_write_iter (net/socket.c:1269)
[  509.380351][ T9087]  ? move_addr_to_kernel (net/socket.c:258)
[  509.380358][ T9087]  ___sys_sendmsg (net/socket.c:2767)
[  509.380361][ T9087]  ? copy_msghdr_from_user (net/socket.c:2619)
[  509.380377][ T9087]  __sys_sendmsg (net/socket.c:2799)
[  509.380379][ T9087]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  509.380386][ T9087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.380391][ T9087]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  509.380394][ T9087]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  509.380397][ T9087]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  509.380399][ T9087] RIP: 0033:0x7f79a30ce54e
[  509.380403][ T9087] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  509.380404][ T9087] RSP: 002b:00007ffd73860580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  509.380407][ T9087] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f79a30ce54e
[  509.380409][ T9087] RDX: 0000000000000000 RSI: 00007ffd73860630 RDI: 0000000000000005
[  509.380410][ T9087] RBP: 00007ffd73860590 R08: 0000000000000000 R09: 0000000000000000
[  509.380410][ T9087] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ede4
[  509.380411][ T9087] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd73860d00
| [  517.890374][ T9230] softirqs last disabled at (22278): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  517.890376][ T9230] Preemption disabled at:
| [  517.890377][ T9230] vprintk_emit (kernel/printk/printk.c:2471)
| [  517.890385][ T9230] Tainted: [W]=WARN
[  517.890386][ T9230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  517.890387][ T9230] Call Trace:
[  517.890392][ T9230]  <TASK>
[  517.890393][ T9230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  517.890399][ T9230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  517.890401][ T9230]  __might_resched.cold (kernel/sched/core.c:9234)
[  517.890405][ T9230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  517.890409][ T9230]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  517.890414][ T9230]  __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))
[  517.890416][ T9230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.890422][ T9230]  ? 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)
[  517.890425][ T9230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.890429][ T9230]  put_chars (drivers/char/virtio_console.c:1176)
[  517.890431][ T9230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  517.890437][ T9230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  517.890445][ T9230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  517.890448][ T9230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.890452][ T9230]  console_emit_next_record (kernel/printk/printk.c:3183)
[  517.890456][ T9230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  517.890458][ T9230]  ? 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))
[  517.890461][ T9230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.890464][ T9230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.890471][ T9230]  console_flush_one_record (kernel/printk/printk.c:3268)
[  517.890476][ T9230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  517.890477][ T9230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  517.890483][ T9230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  517.890485][ T9230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  517.890487][ T9230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.890489][ T9230]  ? 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)
[  517.890492][ T9230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  517.890494][ T9230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  517.890497][ T9230]  vprintk_emit (kernel/printk/printk.c:2479)
[  517.890500][ T9230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  517.890503][ T9230]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  517.890508][ T9230]  _printk (kernel/printk/printk.c:2504)
[  517.890511][ T9230]  ? snapshot_read.cold (user.c:?)
[  517.890513][ T9230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  517.890516][ T9230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  517.890519][ T9230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  517.890521][ T9230]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  517.890525][ T9230]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  517.890527][ T9230]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  517.890529][ T9230]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  517.890532][ T9230]  ? netdev_notice (net/core/dev.c:13194)
[  517.890535][ T9230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  517.890538][ T9230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  517.890540][ T9230]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  517.890544][ T9230]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  517.890546][ T9230]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  517.890548][ T9230]  ? register_netdev (net/core/dev.c:11618)
[  517.890549][ T9230]  ? 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))
[  517.890554][ T9230]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  517.890557][ T9230]  ? __kernel_text_address (kernel/extable.c:79)
[  517.890559][ T9230]  ? write_profile (profile.c:?)
[  517.890564][ T9230]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  517.890569][ T9230]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  517.890572][ T9230]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  517.890574][ T9230]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  517.890575][ T9230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  517.890577][ T9230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  517.890581][ T9230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  517.890583][ T9230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  517.890585][ T9230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  517.890587][ T9230]  ? kasan_save_stack (mm/kasan/common.c:58)
[  517.890589][ T9230]  ? kasan_save_stack (mm/kasan/common.c:57)
[  517.890590][ T9230]  ? kasan_save_track (mm/kasan/common.c:78)
[  517.890591][ T9230]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  517.890593][ T9230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  517.890595][ T9230]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  517.890598][ T9230]  ? ___sys_sendmsg (net/socket.c:2758)
[  517.890602][ T9230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  517.890604][ T9230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  517.890606][ T9230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.890608][ T9230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.890610][ T9230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.890611][ T9230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.890612][ T9230]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  517.890615][ T9230]  ? __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)
[  517.890616][ T9230]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  517.890618][ T9230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  517.890621][ T9230]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  517.890622][ T9230]  ? nla_get_range_signed (lib/nlattr.c:270)
[  517.890627][ T9230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.890629][ T9230]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  517.890634][ T9230]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  517.890639][ T9230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  517.890641][ T9230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  517.890646][ T9230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  517.890647][ T9230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  517.890649][ T9230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  517.890651][ T9230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  517.890655][ T9230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  517.890657][ T9230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  517.890660][ T9230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  517.890661][ T9230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  517.890665][ T9230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  517.890667][ T9230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  517.890671][ T9230]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  517.890674][ T9230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  517.890677][ T9230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  517.890683][ T9230]  ? 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))
[  517.890685][ T9230]  ? 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))
[  517.890689][ T9230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  517.890693][ T9230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  517.890696][ T9230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  517.890700][ T9230]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  517.890704][ T9230]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  517.890707][ T9230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  517.890709][ T9230]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  517.890714][ T9230]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  517.890717][ T9230]  ____sys_sendmsg (net/socket.c:2713)
[  517.890719][ T9230]  ? copy_msghdr_from_user (net/socket.c:2650)
[  517.890721][ T9230]  ? sock_write_iter (net/socket.c:1269)
[  517.890723][ T9230]  ? move_addr_to_kernel (net/socket.c:258)
[  517.890730][ T9230]  ___sys_sendmsg (net/socket.c:2767)
[  517.890733][ T9230]  ? copy_msghdr_from_user (net/socket.c:2619)
[  517.890748][ T9230]  __sys_sendmsg (net/socket.c:2799)
[  517.890751][ T9230]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  517.890757][ T9230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.890760][ T9230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  517.890763][ T9230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  517.890766][ T9230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  517.890768][ T9230] RIP: 0033:0x7f1f5b0fd54e
[  517.890771][ T9230] 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
[  517.890773][ T9230] RSP: 002b:00007ffed0335b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  517.890775][ T9230] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1f5b0fd54e
[  517.890777][ T9230] RDX: 0000000000000000 RSI: 00007ffed0335c00 RDI: 0000000000000005
[  517.890778][ T9230] RBP: 00007ffed0335b60 R08: 0000000000000000 R09: 0000000000000000
[  517.890778][ T9230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eded
[  517.890779][ T9230] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed03362d0
| [  526.431192][ T9373] softirqs last disabled at (23258): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  526.431195][ T9373] Preemption disabled at:
| [  526.431195][ T9373] vprintk_emit (kernel/printk/printk.c:2471)
| [  526.431203][ T9373] Tainted: [W]=WARN
[  526.431204][ T9373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  526.431206][ T9373] Call Trace:
[  526.431207][ T9373]  <TASK>
[  526.431209][ T9373]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  526.431215][ T9373]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  526.431216][ T9373]  __might_resched.cold (kernel/sched/core.c:9234)
[  526.431221][ T9373]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  526.431225][ T9373]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  526.431230][ T9373]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  526.431232][ T9373]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  526.431238][ T9373]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  526.431240][ T9373]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  526.431244][ T9373]  put_chars (drivers/char/virtio_console.c:1176)
[  526.431247][ T9373]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  526.431253][ T9373]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  526.431260][ T9373]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  526.431263][ T9373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  526.431268][ T9373]  console_emit_next_record (kernel/printk/printk.c:3183)
[  526.431272][ T9373]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  526.431274][ T9373]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  526.431277][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.431280][ T9373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  526.431283][ T9373]  console_flush_one_record (kernel/printk/printk.c:3268)
[  526.431288][ T9373]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  526.431290][ T9373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  526.431295][ T9373]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  526.431298][ T9373]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  526.431300][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.431301][ T9373]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  526.431305][ T9373]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  526.431307][ T9373]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  526.431309][ T9373]  vprintk_emit (kernel/printk/printk.c:2479)
[  526.431313][ T9373]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  526.431315][ T9373]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  526.431320][ T9373]  _printk (kernel/printk/printk.c:2504)
[  526.431324][ T9373]  ? snapshot_read.cold (user.c:?)
[  526.431325][ T9373]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  526.431328][ T9373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  526.431331][ T9373]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  526.431333][ T9373]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  526.431337][ T9373]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  526.431340][ T9373]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  526.431342][ T9373]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  526.431345][ T9373]  ? netdev_notice (net/core/dev.c:13194)
[  526.431348][ T9373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  526.431351][ T9373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  526.431353][ T9373]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  526.431357][ T9373]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  526.431359][ T9373]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  526.431361][ T9373]  ? register_netdev (net/core/dev.c:11618)
[  526.431362][ T9373]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  526.431367][ T9373]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  526.431370][ T9373]  ? __kernel_text_address (kernel/extable.c:79)
[  526.431372][ T9373]  ? write_profile (profile.c:?)
[  526.431376][ T9373]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  526.431382][ T9373]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  526.431385][ T9373]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  526.431387][ T9373]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  526.431391][ T9373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  526.431393][ T9373]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  526.431397][ T9373]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  526.431398][ T9373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  526.431400][ T9373]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  526.431403][ T9373]  ? kasan_save_stack (mm/kasan/common.c:58)
[  526.431405][ T9373]  ? kasan_save_stack (mm/kasan/common.c:57)
[  526.431406][ T9373]  ? kasan_save_track (mm/kasan/common.c:78)
[  526.431407][ T9373]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  526.431410][ T9373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  526.431411][ T9373]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  526.431414][ T9373]  ? ___sys_sendmsg (net/socket.c:2758)
[  526.431418][ T9373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  526.431420][ T9373]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  526.431422][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.431424][ T9373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  526.431426][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.431427][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.431428][ T9373]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  526.431431][ T9373]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  526.431432][ T9373]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  526.431434][ T9373]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  526.431437][ T9373]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  526.431438][ T9373]  ? nla_get_range_signed (lib/nlattr.c:270)
[  526.431443][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.431445][ T9373]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  526.431450][ T9373]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  526.431455][ T9373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  526.431457][ T9373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  526.431461][ T9373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  526.431463][ T9373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  526.431465][ T9373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  526.431467][ T9373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  526.431470][ T9373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  526.431472][ T9373]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  526.431476][ T9373]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  526.431477][ T9373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  526.431481][ T9373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  526.431483][ T9373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  526.431487][ T9373]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  526.431490][ T9373]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  526.431492][ T9373]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  526.431503][ T9373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  526.431505][ T9373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  526.431509][ T9373]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  526.431513][ T9373]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  526.431516][ T9373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  526.431520][ T9373]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  526.431524][ T9373]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  526.431528][ T9373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  526.431529][ T9373]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  526.431534][ T9373]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  526.431537][ T9373]  ____sys_sendmsg (net/socket.c:2713)
[  526.431540][ T9373]  ? copy_msghdr_from_user (net/socket.c:2650)
[  526.431542][ T9373]  ? sock_write_iter (net/socket.c:1269)
[  526.431544][ T9373]  ? move_addr_to_kernel (net/socket.c:258)
[  526.431551][ T9373]  ___sys_sendmsg (net/socket.c:2767)
[  526.431553][ T9373]  ? copy_msghdr_from_user (net/socket.c:2619)
[  526.431569][ T9373]  __sys_sendmsg (net/socket.c:2799)
[  526.431571][ T9373]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  526.431577][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.431580][ T9373]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  526.431583][ T9373]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  526.431586][ T9373]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  526.431588][ T9373] RIP: 0033:0x7f9f3ee3a54e
[  526.431592][ T9373] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  526.431594][ T9373] RSP: 002b:00007ffe42d6e670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  526.431597][ T9373] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f3ee3a54e
[  526.431598][ T9373] RDX: 0000000000000000 RSI: 00007ffe42d6e720 RDI: 0000000000000005
[  526.431599][ T9373] RBP: 00007ffe42d6e680 R08: 0000000000000000 R09: 0000000000000000
[  526.431600][ T9373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edf5
[  526.431600][ T9373] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe42d6edf0
| [  534.975036][ T9516] softirqs last disabled at (29350): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  534.975038][ T9516] Preemption disabled at:
| [  534.975039][ T9516] vprintk_emit (kernel/printk/printk.c:2471)
| [  534.975047][ T9516] Tainted: [W]=WARN
[  534.975048][ T9516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  534.975049][ T9516] Call Trace:
[  534.975050][ T9516]  <TASK>
[  534.975052][ T9516]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  534.975058][ T9516]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  534.975060][ T9516]  __might_resched.cold (kernel/sched/core.c:9234)
[  534.975064][ T9516]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  534.975068][ T9516]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  534.975073][ T9516]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  534.975075][ T9516]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.975081][ T9516]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  534.975083][ T9516]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.975087][ T9516]  put_chars (drivers/char/virtio_console.c:1176)
[  534.975089][ T9516]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  534.975096][ T9516]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  534.975103][ T9516]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  534.975106][ T9516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.975111][ T9516]  console_emit_next_record (kernel/printk/printk.c:3183)
[  534.975115][ T9516]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  534.975117][ T9516]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  534.975120][ T9516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.975122][ T9516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.975126][ T9516]  console_flush_one_record (kernel/printk/printk.c:3268)
[  534.975130][ T9516]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  534.975132][ T9516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.975138][ T9516]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  534.975140][ T9516]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  534.975142][ T9516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.975144][ T9516]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  534.975147][ T9516]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  534.975149][ T9516]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  534.975152][ T9516]  vprintk_emit (kernel/printk/printk.c:2479)
[  534.975155][ T9516]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  534.975158][ T9516]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  534.975163][ T9516]  _printk (kernel/printk/printk.c:2504)
[  534.975166][ T9516]  ? snapshot_read.cold (user.c:?)
[  534.975168][ T9516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  534.975171][ T9516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  534.975173][ T9516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  534.975175][ T9516]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  534.975179][ T9516]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  534.975182][ T9516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.975184][ T9516]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  534.975187][ T9516]  ? netdev_notice (net/core/dev.c:13194)
[  534.975190][ T9516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  534.975192][ T9516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  534.975195][ T9516]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  534.975198][ T9516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.975200][ T9516]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  534.975203][ T9516]  ? register_netdev (net/core/dev.c:11618)
[  534.975204][ T9516]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  534.975209][ T9516]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  534.975212][ T9516]  ? __kernel_text_address (kernel/extable.c:79)
[  534.975214][ T9516]  ? write_profile (profile.c:?)
[  534.975218][ T9516]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  534.975224][ T9516]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.975227][ T9516]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  534.975229][ T9516]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  534.975230][ T9516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  534.975232][ T9516]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  534.975235][ T9516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  534.975237][ T9516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  534.975239][ T9516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  534.975242][ T9516]  ? kasan_save_stack (mm/kasan/common.c:58)
[  534.975244][ T9516]  ? kasan_save_stack (mm/kasan/common.c:57)
[  534.975245][ T9516]  ? kasan_save_track (mm/kasan/common.c:78)
[  534.975246][ T9516]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  534.975248][ T9516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.975250][ T9516]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  534.975253][ T9516]  ? ___sys_sendmsg (net/socket.c:2758)
[  534.975257][ T9516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  534.975259][ T9516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  534.975261][ T9516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.975263][ T9516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.975264][ T9516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.975265][ T9516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.975267][ T9516]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  534.975269][ T9516]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  534.975271][ T9516]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  534.975272][ T9516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  534.975276][ T9516]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  534.975277][ T9516]  ? nla_get_range_signed (lib/nlattr.c:270)
[  534.975282][ T9516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.975284][ T9516]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  534.975289][ T9516]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  534.975295][ T9516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.975296][ T9516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.975301][ T9516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  534.975303][ T9516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  534.975305][ T9516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.975307][ T9516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  534.975310][ T9516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.975312][ T9516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  534.975315][ T9516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  534.975317][ T9516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.975321][ T9516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  534.975323][ T9516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  534.975326][ T9516]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  534.975329][ T9516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  534.975332][ T9516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  534.975339][ T9516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  534.975341][ T9516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  534.975345][ T9516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  534.975349][ T9516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  534.975351][ T9516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  534.975356][ T9516]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  534.975359][ T9516]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  534.975363][ T9516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  534.975365][ T9516]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  534.975370][ T9516]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  534.975373][ T9516]  ____sys_sendmsg (net/socket.c:2713)
[  534.975375][ T9516]  ? copy_msghdr_from_user (net/socket.c:2650)
[  534.975377][ T9516]  ? sock_write_iter (net/socket.c:1269)
[  534.975379][ T9516]  ? move_addr_to_kernel (net/socket.c:258)
[  534.975386][ T9516]  ___sys_sendmsg (net/socket.c:2767)
[  534.975392][ T9516]  ? copy_msghdr_from_user (net/socket.c:2619)
[  534.975407][ T9516]  __sys_sendmsg (net/socket.c:2799)
[  534.975410][ T9516]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  534.975416][ T9516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.975419][ T9516]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  534.975422][ T9516]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  534.975425][ T9516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  534.975427][ T9516] RIP: 0033:0x7f4e1998154e
[  534.975430][ T9516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  534.975432][ T9516] RSP: 002b:00007ffebdfe26a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  534.975434][ T9516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4e1998154e
[  534.975436][ T9516] RDX: 0000000000000000 RSI: 00007ffebdfe2750 RDI: 0000000000000005
[  534.975437][ T9516] RBP: 00007ffebdfe26b0 R08: 0000000000000000 R09: 0000000000000000
[  534.975437][ T9516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edfe
[  534.975438][ T9516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebdfe2e20
| [  543.511858][ T9659] softirqs last disabled at (24366): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  543.511860][ T9659] Preemption disabled at:
| [  543.511861][ T9659] vprintk_emit (kernel/printk/printk.c:2471)
| [  543.511869][ T9659] Tainted: [W]=WARN
[  543.511870][ T9659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  543.511872][ T9659] Call Trace:
[  543.511873][ T9659]  <TASK>
[  543.511875][ T9659]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  543.511881][ T9659]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  543.511882][ T9659]  __might_resched.cold (kernel/sched/core.c:9234)
[  543.511887][ T9659]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  543.511891][ T9659]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  543.511895][ T9659]  __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))
[  543.511897][ T9659]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.511904][ T9659]  ? 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)
[  543.511906][ T9659]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.511910][ T9659]  put_chars (drivers/char/virtio_console.c:1176)
[  543.511912][ T9659]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  543.511918][ T9659]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  543.511925][ T9659]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  543.511928][ T9659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.511933][ T9659]  console_emit_next_record (kernel/printk/printk.c:3183)
[  543.511937][ T9659]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  543.511938][ T9659]  ? 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))
[  543.511942][ T9659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.511944][ T9659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.511948][ T9659]  console_flush_one_record (kernel/printk/printk.c:3268)
[  543.511952][ T9659]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  543.511954][ T9659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.511959][ T9659]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  543.511962][ T9659]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  543.511964][ T9659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.511965][ T9659]  ? 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)
[  543.511969][ T9659]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  543.511971][ T9659]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  543.511973][ T9659]  vprintk_emit (kernel/printk/printk.c:2479)
[  543.511976][ T9659]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  543.511979][ T9659]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  543.511984][ T9659]  _printk (kernel/printk/printk.c:2504)
[  543.511987][ T9659]  ? snapshot_read.cold (user.c:?)
[  543.511989][ T9659]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  543.511992][ T9659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  543.511994][ T9659]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  543.511996][ T9659]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  543.512000][ T9659]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  543.512003][ T9659]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  543.512005][ T9659]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  543.512008][ T9659]  ? netdev_notice (net/core/dev.c:13194)
[  543.512010][ T9659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  543.512013][ T9659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  543.512016][ T9659]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  543.512019][ T9659]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  543.512021][ T9659]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  543.512023][ T9659]  ? register_netdev (net/core/dev.c:11618)
[  543.512024][ T9659]  ? 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))
[  543.512030][ T9659]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  543.512032][ T9659]  ? __kernel_text_address (kernel/extable.c:79)
[  543.512035][ T9659]  ? write_profile (profile.c:?)
[  543.512039][ T9659]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  543.512044][ T9659]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  543.512048][ T9659]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  543.512050][ T9659]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  543.512051][ T9659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  543.512053][ T9659]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  543.512056][ T9659]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  543.512058][ T9659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  543.512060][ T9659]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  543.512062][ T9659]  ? kasan_save_stack (mm/kasan/common.c:58)
[  543.512064][ T9659]  ? kasan_save_stack (mm/kasan/common.c:57)
[  543.512065][ T9659]  ? kasan_save_track (mm/kasan/common.c:78)
[  543.512066][ T9659]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  543.512069][ T9659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.512070][ T9659]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  543.512073][ T9659]  ? ___sys_sendmsg (net/socket.c:2758)
[  543.512077][ T9659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  543.512079][ T9659]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  543.512081][ T9659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.512083][ T9659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.512085][ T9659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.512086][ T9659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.512088][ T9659]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  543.512090][ T9659]  ? __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)
[  543.512091][ T9659]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  543.512093][ T9659]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  543.512096][ T9659]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  543.512097][ T9659]  ? nla_get_range_signed (lib/nlattr.c:270)
[  543.512102][ T9659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.512105][ T9659]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  543.512110][ T9659]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  543.512115][ T9659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.512116][ T9659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.512121][ T9659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  543.512123][ T9659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  543.512125][ T9659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.512126][ T9659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  543.512130][ T9659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.512132][ T9659]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  543.512135][ T9659]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.512136][ T9659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.512140][ T9659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  543.512142][ T9659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  543.512146][ T9659]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  543.512149][ T9659]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.512152][ T9659]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  543.512158][ T9659]  ? 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))
[  543.512160][ T9659]  ? 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))
[  543.512164][ T9659]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  543.512168][ T9659]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  543.512170][ T9659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  543.512175][ T9659]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  543.512178][ T9659]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  543.512182][ T9659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  543.512184][ T9659]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  543.512189][ T9659]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  543.512192][ T9659]  ____sys_sendmsg (net/socket.c:2713)
[  543.512194][ T9659]  ? copy_msghdr_from_user (net/socket.c:2650)
[  543.512196][ T9659]  ? sock_write_iter (net/socket.c:1269)
[  543.512198][ T9659]  ? move_addr_to_kernel (net/socket.c:258)
[  543.512205][ T9659]  ___sys_sendmsg (net/socket.c:2767)
[  543.512207][ T9659]  ? copy_msghdr_from_user (net/socket.c:2619)
[  543.512223][ T9659]  __sys_sendmsg (net/socket.c:2799)
[  543.512225][ T9659]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  543.512232][ T9659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.512234][ T9659]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  543.512238][ T9659]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  543.512240][ T9659]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  543.512242][ T9659] RIP: 0033:0x7f370954f54e
[  543.512246][ T9659] 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
[  543.512247][ T9659] RSP: 002b:00007fffaa2bd120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  543.512250][ T9659] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f370954f54e
[  543.512252][ T9659] RDX: 0000000000000000 RSI: 00007fffaa2bd1d0 RDI: 0000000000000005
[  543.512253][ T9659] RBP: 00007fffaa2bd130 R08: 0000000000000000 R09: 0000000000000000
[  543.512253][ T9659] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee06
[  543.512254][ T9659] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaa2bd8a0
| [  552.069922][ T9802] softirqs last disabled at (23906): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  552.069925][ T9802] Preemption disabled at:
| [  552.069925][ T9802] vprintk_emit (kernel/printk/printk.c:2471)
| [  552.069934][ T9802] Tainted: [W]=WARN
[  552.069935][ T9802] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  552.069936][ T9802] Call Trace:
[  552.069938][ T9802]  <TASK>
[  552.069939][ T9802]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  552.069945][ T9802]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  552.069947][ T9802]  __might_resched.cold (kernel/sched/core.c:9234)
[  552.069951][ T9802]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  552.069955][ T9802]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  552.069960][ T9802]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  552.069962][ T9802]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.069968][ T9802]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  552.069970][ T9802]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.069974][ T9802]  put_chars (drivers/char/virtio_console.c:1176)
[  552.069976][ T9802]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  552.069982][ T9802]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  552.069990][ T9802]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  552.069993][ T9802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.069998][ T9802]  console_emit_next_record (kernel/printk/printk.c:3183)
[  552.070002][ T9802]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  552.070004][ T9802]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  552.070007][ T9802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.070009][ T9802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.070013][ T9802]  console_flush_one_record (kernel/printk/printk.c:3268)
[  552.070018][ T9802]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  552.070020][ T9802]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  552.070025][ T9802]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  552.070028][ T9802]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  552.070030][ T9802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.070031][ T9802]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  552.070035][ T9802]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  552.070037][ T9802]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  552.070039][ T9802]  vprintk_emit (kernel/printk/printk.c:2479)
[  552.070043][ T9802]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  552.070045][ T9802]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  552.070050][ T9802]  _printk (kernel/printk/printk.c:2504)
[  552.070054][ T9802]  ? snapshot_read.cold (user.c:?)
[  552.070056][ T9802]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  552.070058][ T9802]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  552.070061][ T9802]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  552.070063][ T9802]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  552.070066][ T9802]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  552.070069][ T9802]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  552.070071][ T9802]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  552.070074][ T9802]  ? netdev_notice (net/core/dev.c:13194)
[  552.070077][ T9802]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  552.070080][ T9802]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  552.070083][ T9802]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  552.070086][ T9802]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  552.070088][ T9802]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  552.070090][ T9802]  ? register_netdev (net/core/dev.c:11618)
[  552.070092][ T9802]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  552.070097][ T9802]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  552.070099][ T9802]  ? __kernel_text_address (kernel/extable.c:79)
[  552.070102][ T9802]  ? write_profile (profile.c:?)
[  552.070106][ T9802]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  552.070111][ T9802]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  552.070115][ T9802]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  552.070117][ T9802]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  552.070118][ T9802]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  552.070120][ T9802]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  552.070123][ T9802]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  552.070125][ T9802]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  552.070127][ T9802]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  552.070129][ T9802]  ? kasan_save_stack (mm/kasan/common.c:58)
[  552.070131][ T9802]  ? kasan_save_stack (mm/kasan/common.c:57)
[  552.070133][ T9802]  ? kasan_save_track (mm/kasan/common.c:78)
[  552.070134][ T9802]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  552.070136][ T9802]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  552.070138][ T9802]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  552.070141][ T9802]  ? ___sys_sendmsg (net/socket.c:2758)
[  552.070145][ T9802]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  552.070147][ T9802]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  552.070149][ T9802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.070151][ T9802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.070152][ T9802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.070153][ T9802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.070155][ T9802]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  552.070157][ T9802]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  552.070159][ T9802]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  552.070161][ T9802]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  552.070164][ T9802]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  552.070165][ T9802]  ? nla_get_range_signed (lib/nlattr.c:270)
[  552.070170][ T9802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.070172][ T9802]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  552.070177][ T9802]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  552.070183][ T9802]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  552.070184][ T9802]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  552.070189][ T9802]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  552.070191][ T9802]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  552.070193][ T9802]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  552.070194][ T9802]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  552.070198][ T9802]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  552.070200][ T9802]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  552.070203][ T9802]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  552.070204][ T9802]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  552.070209][ T9802]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  552.070211][ T9802]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  552.070214][ T9802]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  552.070217][ T9802]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  552.070220][ T9802]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  552.070226][ T9802]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  552.070229][ T9802]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  552.070233][ T9802]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  552.070237][ T9802]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  552.070239][ T9802]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  552.070244][ T9802]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  552.070248][ T9802]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  552.070251][ T9802]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  552.070253][ T9802]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  552.070258][ T9802]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  552.070261][ T9802]  ____sys_sendmsg (net/socket.c:2713)
[  552.070263][ T9802]  ? copy_msghdr_from_user (net/socket.c:2650)
[  552.070266][ T9802]  ? sock_write_iter (net/socket.c:1269)
[  552.070267][ T9802]  ? move_addr_to_kernel (net/socket.c:258)
[  552.070275][ T9802]  ___sys_sendmsg (net/socket.c:2767)
[  552.070277][ T9802]  ? copy_msghdr_from_user (net/socket.c:2619)
[  552.070293][ T9802]  __sys_sendmsg (net/socket.c:2799)
[  552.070296][ T9802]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  552.070302][ T9802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.070305][ T9802]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  552.070308][ T9802]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  552.070311][ T9802]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  552.070313][ T9802] RIP: 0033:0x7fb030bb554e
[  552.070317][ T9802] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  552.070318][ T9802] RSP: 002b:00007ffc58f58310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  552.070321][ T9802] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb030bb554e
[  552.070323][ T9802] RDX: 0000000000000000 RSI: 00007ffc58f583c0 RDI: 0000000000000005
[  552.070323][ T9802] RBP: 00007ffc58f58320 R08: 0000000000000000 R09: 0000000000000000
[  552.070324][ T9802] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee0f
[  552.070325][ T9802] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc58f58a90
| [  560.598932][ T9945] softirqs last disabled at (30838): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  560.598935][ T9945] Preemption disabled at:
| [  560.598935][ T9945] vprintk_emit (kernel/printk/printk.c:2471)
| [  560.598943][ T9945] Tainted: [W]=WARN
[  560.598944][ T9945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  560.598945][ T9945] Call Trace:
[  560.598947][ T9945]  <TASK>
[  560.598948][ T9945]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  560.598954][ T9945]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  560.598956][ T9945]  __might_resched.cold (kernel/sched/core.c:9234)
[  560.598960][ T9945]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  560.598964][ T9945]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  560.598968][ T9945]  __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))
[  560.598970][ T9945]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.598977][ T9945]  ? 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)
[  560.598979][ T9945]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.598983][ T9945]  put_chars (drivers/char/virtio_console.c:1176)
[  560.598985][ T9945]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  560.598991][ T9945]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  560.598999][ T9945]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  560.599002][ T9945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.599006][ T9945]  console_emit_next_record (kernel/printk/printk.c:3183)
[  560.599010][ T9945]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  560.599012][ T9945]  ? 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))
[  560.599015][ T9945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.599017][ T9945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.599021][ T9945]  console_flush_one_record (kernel/printk/printk.c:3268)
[  560.599025][ T9945]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  560.599027][ T9945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.599032][ T9945]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  560.599035][ T9945]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  560.599037][ T9945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.599039][ T9945]  ? 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)
[  560.599042][ T9945]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  560.599044][ T9945]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  560.599047][ T9945]  vprintk_emit (kernel/printk/printk.c:2479)
[  560.599050][ T9945]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  560.599052][ T9945]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  560.599057][ T9945]  _printk (kernel/printk/printk.c:2504)
[  560.599061][ T9945]  ? snapshot_read.cold (user.c:?)
[  560.599062][ T9945]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  560.599065][ T9945]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  560.599068][ T9945]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  560.599070][ T9945]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  560.599074][ T9945]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  560.599076][ T9945]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  560.599078][ T9945]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  560.599081][ T9945]  ? netdev_notice (net/core/dev.c:13194)
[  560.599084][ T9945]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.599087][ T9945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.599089][ T9945]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  560.599093][ T9945]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  560.599095][ T9945]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  560.599097][ T9945]  ? register_netdev (net/core/dev.c:11618)
[  560.599098][ T9945]  ? 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))
[  560.599103][ T9945]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  560.599106][ T9945]  ? __kernel_text_address (kernel/extable.c:79)
[  560.599109][ T9945]  ? write_profile (profile.c:?)
[  560.599113][ T9945]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  560.599118][ T9945]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  560.599121][ T9945]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  560.599123][ T9945]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  560.599125][ T9945]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  560.599126][ T9945]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  560.599130][ T9945]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  560.599132][ T9945]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  560.599133][ T9945]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  560.599136][ T9945]  ? kasan_save_stack (mm/kasan/common.c:58)
[  560.599138][ T9945]  ? kasan_save_stack (mm/kasan/common.c:57)
[  560.599139][ T9945]  ? kasan_save_track (mm/kasan/common.c:78)
[  560.599140][ T9945]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  560.599142][ T9945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.599144][ T9945]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  560.599147][ T9945]  ? ___sys_sendmsg (net/socket.c:2758)
[  560.599150][ T9945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  560.599152][ T9945]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  560.599155][ T9945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.599157][ T9945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.599158][ T9945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.599159][ T9945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.599161][ T9945]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  560.599163][ T9945]  ? __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)
[  560.599164][ T9945]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  560.599166][ T9945]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  560.599169][ T9945]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  560.599171][ T9945]  ? nla_get_range_signed (lib/nlattr.c:270)
[  560.599175][ T9945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.599178][ T9945]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  560.599183][ T9945]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  560.599188][ T9945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  560.599189][ T9945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.599194][ T9945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  560.599196][ T9945]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.599198][ T9945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  560.599199][ T9945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.599203][ T9945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  560.599205][ T9945]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  560.599208][ T9945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  560.599209][ T9945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.599214][ T9945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  560.599215][ T9945]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.599219][ T9945]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  560.599222][ T9945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  560.599225][ T9945]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  560.599231][ T9945]  ? 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))
[  560.599233][ T9945]  ? 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))
[  560.599237][ T9945]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  560.599241][ T9945]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  560.599244][ T9945]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.599248][ T9945]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  560.599252][ T9945]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  560.599255][ T9945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.599257][ T9945]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  560.599262][ T9945]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  560.599265][ T9945]  ____sys_sendmsg (net/socket.c:2713)
[  560.599267][ T9945]  ? copy_msghdr_from_user (net/socket.c:2650)
[  560.599269][ T9945]  ? sock_write_iter (net/socket.c:1269)
[  560.599271][ T9945]  ? move_addr_to_kernel (net/socket.c:258)
[  560.599278][ T9945]  ___sys_sendmsg (net/socket.c:2767)
[  560.599281][ T9945]  ? copy_msghdr_from_user (net/socket.c:2619)
[  560.599296][ T9945]  __sys_sendmsg (net/socket.c:2799)
[  560.599299][ T9945]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  560.599305][ T9945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.599308][ T9945]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  560.599310][ T9945]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  560.599313][ T9945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  560.599315][ T9945] RIP: 0033:0x7f006d9b154e
[  560.599319][ T9945] 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
[  560.599320][ T9945] RSP: 002b:00007ffcfa87c710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  560.599323][ T9945] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f006d9b154e
[  560.599324][ T9945] RDX: 0000000000000000 RSI: 00007ffcfa87c7c0 RDI: 0000000000000005
[  560.599325][ T9945] RBP: 00007ffcfa87c720 R08: 0000000000000000 R09: 0000000000000000
[  560.599326][ T9945] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee17
[  560.599327][ T9945] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfa87ce90
| [  569.150917][T10088] softirqs last disabled at (22742): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  569.150919][T10088] Preemption disabled at:
| [  569.150920][T10088] vprintk_emit (kernel/printk/printk.c:2471)
| [  569.150928][T10088] Tainted: [W]=WARN
[  569.150929][T10088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  569.150931][T10088] Call Trace:
[  569.150932][T10088]  <TASK>
[  569.150934][T10088]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  569.150939][T10088]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  569.150941][T10088]  __might_resched.cold (kernel/sched/core.c:9234)
[  569.150946][T10088]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  569.150950][T10088]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  569.150954][T10088]  __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))
[  569.150956][T10088]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  569.150962][T10088]  ? 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)
[  569.150965][T10088]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  569.150969][T10088]  put_chars (drivers/char/virtio_console.c:1176)
[  569.150971][T10088]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  569.150977][T10088]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  569.150984][T10088]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  569.150987][T10088]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.150992][T10088]  console_emit_next_record (kernel/printk/printk.c:3183)
[  569.150996][T10088]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  569.150998][T10088]  ? 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))
[  569.151001][T10088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.151003][T10088]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.151007][T10088]  console_flush_one_record (kernel/printk/printk.c:3268)
[  569.151011][T10088]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  569.151013][T10088]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  569.151018][T10088]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  569.151021][T10088]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  569.151023][T10088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.151024][T10088]  ? 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)
[  569.151028][T10088]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  569.151030][T10088]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  569.151032][T10088]  vprintk_emit (kernel/printk/printk.c:2479)
[  569.151036][T10088]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  569.151038][T10088]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  569.151043][T10088]  _printk (kernel/printk/printk.c:2504)
[  569.151046][T10088]  ? snapshot_read.cold (user.c:?)
[  569.151048][T10088]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  569.151051][T10088]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  569.151053][T10088]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  569.151055][T10088]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  569.151059][T10088]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  569.151062][T10088]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  569.151065][T10088]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  569.151067][T10088]  ? netdev_notice (net/core/dev.c:13194)
[  569.151070][T10088]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  569.151073][T10088]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  569.151076][T10088]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  569.151079][T10088]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  569.151081][T10088]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  569.151083][T10088]  ? register_netdev (net/core/dev.c:11618)
[  569.151084][T10088]  ? 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))
[  569.151089][T10088]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  569.151092][T10088]  ? __kernel_text_address (kernel/extable.c:79)
[  569.151094][T10088]  ? write_profile (profile.c:?)
[  569.151098][T10088]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  569.151104][T10088]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  569.151107][T10088]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  569.151109][T10088]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  569.151110][T10088]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  569.151112][T10088]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  569.151115][T10088]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  569.151117][T10088]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  569.151119][T10088]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  569.151121][T10088]  ? kasan_save_stack (mm/kasan/common.c:58)
[  569.151123][T10088]  ? kasan_save_stack (mm/kasan/common.c:57)
[  569.151124][T10088]  ? kasan_save_track (mm/kasan/common.c:78)
[  569.151126][T10088]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  569.151128][T10088]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  569.151130][T10088]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  569.151133][T10088]  ? ___sys_sendmsg (net/socket.c:2758)
[  569.151136][T10088]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  569.151138][T10088]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  569.151141][T10088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.151143][T10088]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.151144][T10088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.151145][T10088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.151147][T10088]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  569.151149][T10088]  ? __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)
[  569.151150][T10088]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  569.151152][T10088]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  569.151155][T10088]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  569.151156][T10088]  ? nla_get_range_signed (lib/nlattr.c:270)
[  569.151161][T10088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.151163][T10088]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  569.151168][T10088]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  569.151174][T10088]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  569.151175][T10088]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  569.151180][T10088]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  569.151182][T10088]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  569.151184][T10088]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  569.151185][T10088]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  569.151189][T10088]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  569.151191][T10088]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  569.151194][T10088]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  569.151195][T10088]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  569.151200][T10088]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  569.151202][T10088]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  569.151205][T10088]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  569.151208][T10088]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  569.151211][T10088]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  569.151217][T10088]  ? 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))
[  569.151219][T10088]  ? 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))
[  569.151224][T10088]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  569.151227][T10088]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  569.151230][T10088]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  569.151234][T10088]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  569.151238][T10088]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  569.151242][T10088]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  569.151243][T10088]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  569.151248][T10088]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  569.151251][T10088]  ____sys_sendmsg (net/socket.c:2713)
[  569.151253][T10088]  ? copy_msghdr_from_user (net/socket.c:2650)
[  569.151256][T10088]  ? sock_write_iter (net/socket.c:1269)
[  569.151257][T10088]  ? move_addr_to_kernel (net/socket.c:258)
[  569.151264][T10088]  ___sys_sendmsg (net/socket.c:2767)
[  569.151267][T10088]  ? copy_msghdr_from_user (net/socket.c:2619)
[  569.151283][T10088]  __sys_sendmsg (net/socket.c:2799)
[  569.151285][T10088]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  569.151292][T10088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.151294][T10088]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  569.151297][T10088]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  569.151300][T10088]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  569.151302][T10088] RIP: 0033:0x7ff2b8cdf54e
[  569.151306][T10088] 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
[  569.151307][T10088] RSP: 002b:00007ffc6c5b5370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  569.151310][T10088] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff2b8cdf54e
[  569.151311][T10088] RDX: 0000000000000000 RSI: 00007ffc6c5b5420 RDI: 0000000000000005
[  569.151312][T10088] RBP: 00007ffc6c5b5380 R08: 0000000000000000 R09: 0000000000000000
[  569.151313][T10088] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee20
[  569.151314][T10088] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6c5b5af0
| [  577.712490][T10231] softirqs last disabled at (23229): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  577.712495][T10231] Preemption disabled at:
| [  577.712496][T10231] vprintk_emit (kernel/printk/printk.c:2471)
| [  577.712504][T10231] Tainted: [W]=WARN
[  577.712505][T10231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  577.712507][T10231] Call Trace:
[  577.712508][T10231]  <TASK>
[  577.712509][T10231]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  577.712515][T10231]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  577.712516][T10231]  __might_resched.cold (kernel/sched/core.c:9234)
[  577.712521][T10231]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  577.712525][T10231]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  577.712530][T10231]  __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))
[  577.712532][T10231]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.712538][T10231]  ? 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)
[  577.712540][T10231]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.712544][T10231]  put_chars (drivers/char/virtio_console.c:1176)
[  577.712546][T10231]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  577.712552][T10231]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  577.712560][T10231]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  577.712563][T10231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.712567][T10231]  console_emit_next_record (kernel/printk/printk.c:3183)
[  577.712571][T10231]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  577.712573][T10231]  ? 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))
[  577.712576][T10231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.712578][T10231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.712582][T10231]  console_flush_one_record (kernel/printk/printk.c:3268)
[  577.712586][T10231]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  577.712588][T10231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  577.712593][T10231]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  577.712596][T10231]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  577.712598][T10231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.712600][T10231]  ? 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)
[  577.712603][T10231]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  577.712605][T10231]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  577.712608][T10231]  vprintk_emit (kernel/printk/printk.c:2479)
[  577.712611][T10231]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  577.712613][T10231]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  577.712618][T10231]  _printk (kernel/printk/printk.c:2504)
[  577.712621][T10231]  ? snapshot_read.cold (user.c:?)
[  577.712623][T10231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  577.712626][T10231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  577.712628][T10231]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  577.712630][T10231]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  577.712634][T10231]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  577.712637][T10231]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.712639][T10231]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  577.712642][T10231]  ? netdev_notice (net/core/dev.c:13194)
[  577.712644][T10231]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  577.712647][T10231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  577.712650][T10231]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  577.712653][T10231]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.712655][T10231]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  577.712657][T10231]  ? register_netdev (net/core/dev.c:11618)
[  577.712659][T10231]  ? 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))
[  577.712664][T10231]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  577.712667][T10231]  ? __kernel_text_address (kernel/extable.c:79)
[  577.712670][T10231]  ? write_profile (profile.c:?)
[  577.712673][T10231]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  577.712682][T10231]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.712686][T10231]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  577.712688][T10231]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  577.712689][T10231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  577.712691][T10231]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  577.712694][T10231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  577.712696][T10231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  577.712698][T10231]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  577.712700][T10231]  ? kasan_save_stack (mm/kasan/common.c:58)
[  577.712702][T10231]  ? kasan_save_stack (mm/kasan/common.c:57)
[  577.712703][T10231]  ? kasan_save_track (mm/kasan/common.c:78)
[  577.712705][T10231]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  577.712707][T10231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  577.712709][T10231]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  577.712711][T10231]  ? ___sys_sendmsg (net/socket.c:2758)
[  577.712715][T10231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  577.712717][T10231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  577.712720][T10231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.712721][T10231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.712723][T10231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.712724][T10231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.712726][T10231]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  577.712728][T10231]  ? __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)
[  577.712729][T10231]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  577.712731][T10231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  577.712734][T10231]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  577.712736][T10231]  ? nla_get_range_signed (lib/nlattr.c:270)
[  577.712740][T10231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.712743][T10231]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  577.712748][T10231]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  577.712753][T10231]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.712755][T10231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  577.712759][T10231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  577.712761][T10231]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  577.712763][T10231]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.712764][T10231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  577.712768][T10231]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.712770][T10231]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  577.712773][T10231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.712775][T10231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  577.712779][T10231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  577.712781][T10231]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  577.712785][T10231]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  577.712788][T10231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.712790][T10231]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  577.712797][T10231]  ? 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))
[  577.712799][T10231]  ? 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))
[  577.712803][T10231]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  577.712807][T10231]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  577.712810][T10231]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  577.712814][T10231]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  577.712817][T10231]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  577.712821][T10231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  577.712823][T10231]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  577.712828][T10231]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  577.712831][T10231]  ____sys_sendmsg (net/socket.c:2713)
[  577.712833][T10231]  ? copy_msghdr_from_user (net/socket.c:2650)
[  577.712835][T10231]  ? sock_write_iter (net/socket.c:1269)
[  577.712837][T10231]  ? move_addr_to_kernel (net/socket.c:258)
[  577.712844][T10231]  ___sys_sendmsg (net/socket.c:2767)
[  577.712847][T10231]  ? copy_msghdr_from_user (net/socket.c:2619)
[  577.712862][T10231]  __sys_sendmsg (net/socket.c:2799)
[  577.712865][T10231]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  577.712871][T10231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.712874][T10231]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  577.712877][T10231]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  577.712880][T10231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  577.712882][T10231] RIP: 0033:0x7f8e9333554e
[  577.712886][T10231] 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
[  577.712888][T10231] RSP: 002b:00007ffd3626ae30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  577.712890][T10231] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8e9333554e
[  577.712892][T10231] RDX: 0000000000000000 RSI: 00007ffd3626aee0 RDI: 0000000000000005
[  577.712893][T10231] RBP: 00007ffd3626ae40 R08: 0000000000000000 R09: 0000000000000000
[  577.712894][T10231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee29
[  577.712894][T10231] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3626b5b0
| [  586.240934][T10374] softirqs last disabled at (21242): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  586.240936][T10374] Preemption disabled at:
| [  586.240937][T10374] vprintk_emit (kernel/printk/printk.c:2471)
| [  586.240945][T10374] Tainted: [W]=WARN
[  586.240946][T10374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  586.240948][T10374] Call Trace:
[  586.240949][T10374]  <TASK>
[  586.240951][T10374]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  586.240956][T10374]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  586.240958][T10374]  __might_resched.cold (kernel/sched/core.c:9234)
[  586.240962][T10374]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  586.240967][T10374]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  586.240971][T10374]  __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))
[  586.240973][T10374]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.240979][T10374]  ? 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)
[  586.240982][T10374]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.240986][T10374]  put_chars (drivers/char/virtio_console.c:1176)
[  586.240988][T10374]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  586.240994][T10374]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  586.241001][T10374]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  586.241004][T10374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.241009][T10374]  console_emit_next_record (kernel/printk/printk.c:3183)
[  586.241013][T10374]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  586.241015][T10374]  ? 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))
[  586.241018][T10374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.241020][T10374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.241024][T10374]  console_flush_one_record (kernel/printk/printk.c:3268)
[  586.241028][T10374]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  586.241030][T10374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.241035][T10374]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  586.241038][T10374]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  586.241040][T10374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.241042][T10374]  ? 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)
[  586.241045][T10374]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  586.241047][T10374]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  586.241050][T10374]  vprintk_emit (kernel/printk/printk.c:2479)
[  586.241053][T10374]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  586.241055][T10374]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  586.241061][T10374]  _printk (kernel/printk/printk.c:2504)
[  586.241064][T10374]  ? snapshot_read.cold (user.c:?)
[  586.241066][T10374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  586.241069][T10374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  586.241071][T10374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  586.241073][T10374]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  586.241077][T10374]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  586.241080][T10374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.241082][T10374]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  586.241085][T10374]  ? netdev_notice (net/core/dev.c:13194)
[  586.241088][T10374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.241091][T10374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.241093][T10374]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  586.241097][T10374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.241099][T10374]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  586.241101][T10374]  ? register_netdev (net/core/dev.c:11618)
[  586.241102][T10374]  ? 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))
[  586.241107][T10374]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  586.241109][T10374]  ? __kernel_text_address (kernel/extable.c:79)
[  586.241112][T10374]  ? write_profile (profile.c:?)
[  586.241116][T10374]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  586.241121][T10374]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.241125][T10374]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  586.241127][T10374]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  586.241128][T10374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  586.241130][T10374]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  586.241133][T10374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  586.241135][T10374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  586.241137][T10374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  586.241139][T10374]  ? kasan_save_stack (mm/kasan/common.c:58)
[  586.241141][T10374]  ? kasan_save_stack (mm/kasan/common.c:57)
[  586.241142][T10374]  ? kasan_save_track (mm/kasan/common.c:78)
[  586.241144][T10374]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  586.241146][T10374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.241148][T10374]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  586.241151][T10374]  ? ___sys_sendmsg (net/socket.c:2758)
[  586.241154][T10374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.241156][T10374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  586.241159][T10374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.241160][T10374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.241162][T10374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.241163][T10374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.241165][T10374]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  586.241167][T10374]  ? __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)
[  586.241168][T10374]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  586.241170][T10374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  586.241173][T10374]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  586.241175][T10374]  ? nla_get_range_signed (lib/nlattr.c:270)
[  586.241179][T10374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.241182][T10374]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  586.241187][T10374]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  586.241192][T10374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.241194][T10374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.241198][T10374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.241200][T10374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.241202][T10374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.241204][T10374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.241207][T10374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.241209][T10374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  586.241213][T10374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.241214][T10374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.241218][T10374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.241220][T10374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.241223][T10374]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  586.241227][T10374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.241229][T10374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  586.241236][T10374]  ? 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))
[  586.241237][T10374]  ? 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))
[  586.241242][T10374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  586.241246][T10374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  586.241248][T10374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.241252][T10374]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  586.241256][T10374]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  586.241260][T10374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.241262][T10374]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  586.241267][T10374]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  586.241269][T10374]  ____sys_sendmsg (net/socket.c:2713)
[  586.241272][T10374]  ? copy_msghdr_from_user (net/socket.c:2650)
[  586.241274][T10374]  ? sock_write_iter (net/socket.c:1269)
[  586.241276][T10374]  ? move_addr_to_kernel (net/socket.c:258)
[  586.241283][T10374]  ___sys_sendmsg (net/socket.c:2767)
[  586.241285][T10374]  ? copy_msghdr_from_user (net/socket.c:2619)
[  586.241301][T10374]  __sys_sendmsg (net/socket.c:2799)
[  586.241303][T10374]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  586.241309][T10374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.241312][T10374]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  586.241315][T10374]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  586.241318][T10374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  586.241320][T10374] RIP: 0033:0x7f416e81254e
[  586.241324][T10374] 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
[  586.241326][T10374] RSP: 002b:00007ffce13054f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  586.241328][T10374] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f416e81254e
[  586.241330][T10374] RDX: 0000000000000000 RSI: 00007ffce13055a0 RDI: 0000000000000005
[  586.241330][T10374] RBP: 00007ffce1305500 R08: 0000000000000000 R09: 0000000000000000
[  586.241331][T10374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee31
[  586.241332][T10374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce1305c70
| [  594.887036][T10517] softirqs last disabled at (17354): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  594.887038][T10517] Preemption disabled at:
| [  594.887039][T10517] vprintk_emit (kernel/printk/printk.c:2471)
| [  594.887048][T10517] Tainted: [W]=WARN
[  594.887049][T10517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  594.887050][T10517] Call Trace:
[  594.887052][T10517]  <TASK>
[  594.887054][T10517]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  594.887060][T10517]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  594.887062][T10517]  __might_resched.cold (kernel/sched/core.c:9234)
[  594.887067][T10517]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  594.887071][T10517]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  594.887076][T10517]  __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))
[  594.887078][T10517]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.887085][T10517]  ? 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)
[  594.887088][T10517]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.887092][T10517]  put_chars (drivers/char/virtio_console.c:1176)
[  594.887094][T10517]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  594.887101][T10517]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  594.887109][T10517]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  594.887113][T10517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.887118][T10517]  console_emit_next_record (kernel/printk/printk.c:3183)
[  594.887122][T10517]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  594.887124][T10517]  ? 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))
[  594.887127][T10517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.887130][T10517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.887135][T10517]  console_flush_one_record (kernel/printk/printk.c:3268)
[  594.887139][T10517]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  594.887141][T10517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  594.887147][T10517]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  594.887150][T10517]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  594.887152][T10517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.887154][T10517]  ? 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)
[  594.887158][T10517]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  594.887160][T10517]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  594.887163][T10517]  vprintk_emit (kernel/printk/printk.c:2479)
[  594.887166][T10517]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  594.887169][T10517]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  594.887175][T10517]  _printk (kernel/printk/printk.c:2504)
[  594.887178][T10517]  ? snapshot_read.cold (user.c:?)
[  594.887180][T10517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  594.887183][T10517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  594.887186][T10517]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  594.887188][T10517]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  594.887192][T10517]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  594.887195][T10517]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.887197][T10517]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  594.887201][T10517]  ? netdev_notice (net/core/dev.c:13194)
[  594.887203][T10517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  594.887207][T10517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  594.887209][T10517]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  594.887213][T10517]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.887216][T10517]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  594.887218][T10517]  ? register_netdev (net/core/dev.c:11618)
[  594.887219][T10517]  ? 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))
[  594.887225][T10517]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  594.887228][T10517]  ? __kernel_text_address (kernel/extable.c:79)
[  594.887231][T10517]  ? write_profile (profile.c:?)
[  594.887235][T10517]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  594.887241][T10517]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.887245][T10517]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  594.887247][T10517]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  594.887249][T10517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  594.887251][T10517]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  594.887254][T10517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  594.887257][T10517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  594.887259][T10517]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  594.887261][T10517]  ? kasan_save_stack (mm/kasan/common.c:58)
[  594.887264][T10517]  ? kasan_save_stack (mm/kasan/common.c:57)
[  594.887265][T10517]  ? kasan_save_track (mm/kasan/common.c:78)
[  594.887266][T10517]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  594.887269][T10517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  594.887271][T10517]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  594.887274][T10517]  ? ___sys_sendmsg (net/socket.c:2758)
[  594.887278][T10517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  594.887280][T10517]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  594.887283][T10517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.887285][T10517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.887286][T10517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.887288][T10517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.887289][T10517]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  594.887292][T10517]  ? __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)
[  594.887293][T10517]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  594.887295][T10517]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  594.887299][T10517]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  594.887300][T10517]  ? nla_get_range_signed (lib/nlattr.c:270)
[  594.887306][T10517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.887308][T10517]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  594.887314][T10517]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  594.887320][T10517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.887322][T10517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  594.887327][T10517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  594.887329][T10517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  594.887331][T10517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.887333][T10517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  594.887337][T10517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.887339][T10517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  594.887343][T10517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  594.887344][T10517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  594.887349][T10517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  594.887351][T10517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  594.887355][T10517]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  594.887358][T10517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  594.887361][T10517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  594.887368][T10517]  ? 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))
[  594.887370][T10517]  ? 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))
[  594.887375][T10517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  594.887379][T10517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  594.887382][T10517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  594.887387][T10517]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  594.887398][T10517]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  594.887403][T10517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  594.887405][T10517]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  594.887410][T10517]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  594.887413][T10517]  ____sys_sendmsg (net/socket.c:2713)
[  594.887416][T10517]  ? copy_msghdr_from_user (net/socket.c:2650)
[  594.887418][T10517]  ? sock_write_iter (net/socket.c:1269)
[  594.887420][T10517]  ? move_addr_to_kernel (net/socket.c:258)
[  594.887428][T10517]  ___sys_sendmsg (net/socket.c:2767)
[  594.887431][T10517]  ? copy_msghdr_from_user (net/socket.c:2619)
[  594.887449][T10517]  __sys_sendmsg (net/socket.c:2799)
[  594.887452][T10517]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  594.887458][T10517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.887462][T10517]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  594.887465][T10517]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  594.887468][T10517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  594.887470][T10517] RIP: 0033:0x7f203364f54e
[  594.887474][T10517] 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
[  594.887476][T10517] RSP: 002b:00007fffd1fa4750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  594.887478][T10517] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f203364f54e
[  594.887480][T10517] RDX: 0000000000000000 RSI: 00007fffd1fa4800 RDI: 0000000000000005
[  594.887481][T10517] RBP: 00007fffd1fa4760 R08: 0000000000000000 R09: 0000000000000000
[  594.887482][T10517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee3a
[  594.887483][T10517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd1fa4ed0
| [  603.587147][T10661] softirqs last disabled at (21040): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  603.587149][T10661] Preemption disabled at:
| [  603.587150][T10661] vprintk_emit (kernel/printk/printk.c:2471)
| [  603.587158][T10661] Tainted: [W]=WARN
[  603.587159][T10661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  603.587161][T10661] Call Trace:
[  603.587163][T10661]  <TASK>
[  603.587164][T10661]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  603.587170][T10661]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  603.587172][T10661]  __might_resched.cold (kernel/sched/core.c:9234)
[  603.587177][T10661]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  603.587181][T10661]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  603.587185][T10661]  __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))
[  603.587187][T10661]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  603.587194][T10661]  ? 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)
[  603.587196][T10661]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  603.587200][T10661]  put_chars (drivers/char/virtio_console.c:1176)
[  603.587203][T10661]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  603.587209][T10661]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  603.587216][T10661]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  603.587219][T10661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.587224][T10661]  console_emit_next_record (kernel/printk/printk.c:3183)
[  603.587228][T10661]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  603.587230][T10661]  ? 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))
[  603.587233][T10661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.587236][T10661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.587240][T10661]  console_flush_one_record (kernel/printk/printk.c:3268)
[  603.587244][T10661]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  603.587246][T10661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  603.587251][T10661]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  603.587254][T10661]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  603.587256][T10661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.587258][T10661]  ? 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)
[  603.587262][T10661]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  603.587263][T10661]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  603.587266][T10661]  vprintk_emit (kernel/printk/printk.c:2479)
[  603.587269][T10661]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  603.587272][T10661]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  603.587277][T10661]  _printk (kernel/printk/printk.c:2504)
[  603.587281][T10661]  ? snapshot_read.cold (user.c:?)
[  603.587283][T10661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  603.587285][T10661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  603.587288][T10661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  603.587290][T10661]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  603.587294][T10661]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  603.587297][T10661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  603.587299][T10661]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  603.587302][T10661]  ? netdev_notice (net/core/dev.c:13194)
[  603.587305][T10661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  603.587308][T10661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  603.587310][T10661]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  603.587314][T10661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  603.587316][T10661]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  603.587318][T10661]  ? register_netdev (net/core/dev.c:11618)
[  603.587319][T10661]  ? 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))
[  603.587324][T10661]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  603.587327][T10661]  ? __kernel_text_address (kernel/extable.c:79)
[  603.587330][T10661]  ? write_profile (profile.c:?)
[  603.587334][T10661]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  603.587339][T10661]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  603.587343][T10661]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  603.587345][T10661]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  603.587346][T10661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  603.587348][T10661]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  603.587351][T10661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  603.587353][T10661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  603.587355][T10661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  603.587358][T10661]  ? kasan_save_stack (mm/kasan/common.c:58)
[  603.587360][T10661]  ? kasan_save_stack (mm/kasan/common.c:57)
[  603.587361][T10661]  ? kasan_save_track (mm/kasan/common.c:78)
[  603.587362][T10661]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  603.587364][T10661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  603.587366][T10661]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  603.587369][T10661]  ? ___sys_sendmsg (net/socket.c:2758)
[  603.587373][T10661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  603.587375][T10661]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  603.587378][T10661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.587379][T10661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.587381][T10661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.587382][T10661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.587384][T10661]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  603.587386][T10661]  ? __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)
[  603.587387][T10661]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  603.587393][T10661]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  603.587396][T10661]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  603.587397][T10661]  ? nla_get_range_signed (lib/nlattr.c:270)
[  603.587402][T10661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.587404][T10661]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  603.587409][T10661]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  603.587415][T10661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  603.587416][T10661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  603.587421][T10661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  603.587423][T10661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  603.587425][T10661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  603.587427][T10661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  603.587430][T10661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  603.587432][T10661]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  603.587436][T10661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  603.587437][T10661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  603.587441][T10661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  603.587443][T10661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  603.587447][T10661]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  603.587450][T10661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  603.587453][T10661]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  603.587459][T10661]  ? 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))
[  603.587461][T10661]  ? 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))
[  603.587466][T10661]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  603.587470][T10661]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  603.587472][T10661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  603.587476][T10661]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  603.587480][T10661]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  603.587484][T10661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  603.587486][T10661]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  603.587491][T10661]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  603.587494][T10661]  ____sys_sendmsg (net/socket.c:2713)
[  603.587496][T10661]  ? copy_msghdr_from_user (net/socket.c:2650)
[  603.587498][T10661]  ? sock_write_iter (net/socket.c:1269)
[  603.587500][T10661]  ? move_addr_to_kernel (net/socket.c:258)
[  603.587507][T10661]  ___sys_sendmsg (net/socket.c:2767)
[  603.587510][T10661]  ? copy_msghdr_from_user (net/socket.c:2619)
[  603.587525][T10661]  __sys_sendmsg (net/socket.c:2799)
[  603.587528][T10661]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  603.587534][T10661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.587537][T10661]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  603.587540][T10661]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  603.587543][T10661]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  603.587545][T10661] RIP: 0033:0x7fc8e5dfa54e
[  603.587549][T10661] 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
[  603.587551][T10661] RSP: 002b:00007fffeed30fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  603.587554][T10661] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc8e5dfa54e
[  603.587555][T10661] RDX: 0000000000000000 RSI: 00007fffeed31070 RDI: 0000000000000005
[  603.587556][T10661] RBP: 00007fffeed30fd0 R08: 0000000000000000 R09: 0000000000000000
[  603.587557][T10661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee42
[  603.587558][T10661] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeed31740
| [  612.211945][T10804] softirqs last disabled at (17792): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  612.211947][T10804] Preemption disabled at:
| [  612.211948][T10804] vprintk_emit (kernel/printk/printk.c:2471)
| [  612.211956][T10804] Tainted: [W]=WARN
[  612.211957][T10804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.211958][T10804] Call Trace:
[  612.211960][T10804]  <TASK>
[  612.211961][T10804]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  612.211967][T10804]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  612.211969][T10804]  __might_resched.cold (kernel/sched/core.c:9234)
[  612.211974][T10804]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  612.211978][T10804]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  612.211982][T10804]  __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))
[  612.211984][T10804]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.211991][T10804]  ? 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)
[  612.211993][T10804]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.211997][T10804]  put_chars (drivers/char/virtio_console.c:1176)
[  612.212000][T10804]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  612.212006][T10804]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  612.212013][T10804]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  612.212016][T10804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.212020][T10804]  console_emit_next_record (kernel/printk/printk.c:3183)
[  612.212024][T10804]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  612.212026][T10804]  ? 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))
[  612.212029][T10804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.212032][T10804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.212036][T10804]  console_flush_one_record (kernel/printk/printk.c:3268)
[  612.212040][T10804]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  612.212042][T10804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  612.212047][T10804]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  612.212050][T10804]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  612.212052][T10804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.212053][T10804]  ? 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)
[  612.212057][T10804]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  612.212059][T10804]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  612.212061][T10804]  vprintk_emit (kernel/printk/printk.c:2479)
[  612.212064][T10804]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  612.212067][T10804]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  612.212072][T10804]  _printk (kernel/printk/printk.c:2504)
[  612.212075][T10804]  ? snapshot_read.cold (user.c:?)
[  612.212077][T10804]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  612.212080][T10804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  612.212082][T10804]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  612.212084][T10804]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  612.212088][T10804]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  612.212091][T10804]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  612.212093][T10804]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  612.212096][T10804]  ? netdev_notice (net/core/dev.c:13194)
[  612.212099][T10804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  612.212102][T10804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  612.212104][T10804]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  612.212108][T10804]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  612.212110][T10804]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  612.212112][T10804]  ? register_netdev (net/core/dev.c:11618)
[  612.212113][T10804]  ? 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))
[  612.212118][T10804]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  612.212121][T10804]  ? __kernel_text_address (kernel/extable.c:79)
[  612.212124][T10804]  ? write_profile (profile.c:?)
[  612.212128][T10804]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  612.212134][T10804]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  612.212137][T10804]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  612.212139][T10804]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  612.212140][T10804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  612.212142][T10804]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  612.212145][T10804]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  612.212147][T10804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  612.212149][T10804]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  612.212151][T10804]  ? kasan_save_stack (mm/kasan/common.c:58)
[  612.212153][T10804]  ? kasan_save_stack (mm/kasan/common.c:57)
[  612.212154][T10804]  ? kasan_save_track (mm/kasan/common.c:78)
[  612.212156][T10804]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  612.212158][T10804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  612.212160][T10804]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  612.212163][T10804]  ? ___sys_sendmsg (net/socket.c:2758)
[  612.212166][T10804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  612.212168][T10804]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  612.212171][T10804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.212173][T10804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.212174][T10804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.212175][T10804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.212177][T10804]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  612.212179][T10804]  ? __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)
[  612.212180][T10804]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  612.212182][T10804]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  612.212186][T10804]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  612.212187][T10804]  ? nla_get_range_signed (lib/nlattr.c:270)
[  612.212192][T10804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.212194][T10804]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  612.212199][T10804]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  612.212204][T10804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.212206][T10804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  612.212210][T10804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  612.212212][T10804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  612.212214][T10804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.212216][T10804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  612.212220][T10804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.212222][T10804]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  612.212225][T10804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  612.212226][T10804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  612.212231][T10804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  612.212233][T10804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  612.212236][T10804]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  612.212239][T10804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  612.212242][T10804]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  612.212248][T10804]  ? 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))
[  612.212250][T10804]  ? 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))
[  612.212254][T10804]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  612.212258][T10804]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  612.212261][T10804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  612.212265][T10804]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  612.212269][T10804]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  612.212272][T10804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  612.212274][T10804]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  612.212279][T10804]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  612.212282][T10804]  ____sys_sendmsg (net/socket.c:2713)
[  612.212284][T10804]  ? copy_msghdr_from_user (net/socket.c:2650)
[  612.212286][T10804]  ? sock_write_iter (net/socket.c:1269)
[  612.212288][T10804]  ? move_addr_to_kernel (net/socket.c:258)
[  612.212295][T10804]  ___sys_sendmsg (net/socket.c:2767)
[  612.212297][T10804]  ? copy_msghdr_from_user (net/socket.c:2619)
[  612.212313][T10804]  __sys_sendmsg (net/socket.c:2799)
[  612.212315][T10804]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  612.212321][T10804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.212324][T10804]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  612.212327][T10804]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  612.212330][T10804]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  612.212332][T10804] RIP: 0033:0x7f86d005054e
[  612.212336][T10804] 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
[  612.212338][T10804] RSP: 002b:00007ffc962c1e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  612.212340][T10804] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f86d005054e
[  612.212342][T10804] RDX: 0000000000000000 RSI: 00007ffc962c1ee0 RDI: 0000000000000005
[  612.212343][T10804] RBP: 00007ffc962c1e40 R08: 0000000000000000 R09: 0000000000000000
[  612.212343][T10804] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee4b
[  612.212344][T10804] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc962c25b0
| [  620.798901][T10947] softirqs last disabled at (20652): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  620.798904][T10947] Preemption disabled at:
| [  620.798905][T10947] vprintk_emit (kernel/printk/printk.c:2471)
| [  620.798912][T10947] Tainted: [W]=WARN
[  620.798914][T10947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  620.798915][T10947] Call Trace:
[  620.798917][T10947]  <TASK>
[  620.798918][T10947]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  620.798924][T10947]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  620.798926][T10947]  __might_resched.cold (kernel/sched/core.c:9234)
[  620.798931][T10947]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  620.798935][T10947]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  620.798939][T10947]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  620.798941][T10947]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  620.798947][T10947]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  620.798950][T10947]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  620.798954][T10947]  put_chars (drivers/char/virtio_console.c:1176)
[  620.798956][T10947]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  620.798962][T10947]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  620.798970][T10947]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  620.798973][T10947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.798977][T10947]  console_emit_next_record (kernel/printk/printk.c:3183)
[  620.798981][T10947]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  620.798983][T10947]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  620.798986][T10947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.798989][T10947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.798993][T10947]  console_flush_one_record (kernel/printk/printk.c:3268)
[  620.798997][T10947]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  620.798999][T10947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  620.799004][T10947]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  620.799007][T10947]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  620.799009][T10947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.799011][T10947]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  620.799014][T10947]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  620.799016][T10947]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  620.799019][T10947]  vprintk_emit (kernel/printk/printk.c:2479)
[  620.799022][T10947]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  620.799025][T10947]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  620.799030][T10947]  _printk (kernel/printk/printk.c:2504)
[  620.799033][T10947]  ? snapshot_read.cold (user.c:?)
[  620.799035][T10947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  620.799038][T10947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  620.799040][T10947]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  620.799042][T10947]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  620.799046][T10947]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  620.799048][T10947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  620.799051][T10947]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  620.799054][T10947]  ? netdev_notice (net/core/dev.c:13194)
[  620.799056][T10947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  620.799059][T10947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  620.799062][T10947]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  620.799065][T10947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  620.799067][T10947]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  620.799069][T10947]  ? register_netdev (net/core/dev.c:11618)
[  620.799070][T10947]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  620.799076][T10947]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  620.799078][T10947]  ? __kernel_text_address (kernel/extable.c:79)
[  620.799081][T10947]  ? write_profile (profile.c:?)
[  620.799085][T10947]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  620.799091][T10947]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  620.799094][T10947]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  620.799096][T10947]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  620.799097][T10947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  620.799099][T10947]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  620.799103][T10947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  620.799105][T10947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  620.799106][T10947]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  620.799109][T10947]  ? kasan_save_stack (mm/kasan/common.c:58)
[  620.799111][T10947]  ? kasan_save_stack (mm/kasan/common.c:57)
[  620.799112][T10947]  ? kasan_save_track (mm/kasan/common.c:78)
[  620.799113][T10947]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  620.799115][T10947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  620.799117][T10947]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  620.799120][T10947]  ? ___sys_sendmsg (net/socket.c:2758)
[  620.799124][T10947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  620.799126][T10947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  620.799128][T10947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.799130][T10947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.799132][T10947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.799133][T10947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.799134][T10947]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  620.799137][T10947]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  620.799138][T10947]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  620.799140][T10947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  620.799143][T10947]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  620.799144][T10947]  ? nla_get_range_signed (lib/nlattr.c:270)
[  620.799149][T10947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.799151][T10947]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  620.799156][T10947]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  620.799161][T10947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  620.799163][T10947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  620.799168][T10947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  620.799169][T10947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  620.799171][T10947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  620.799173][T10947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  620.799177][T10947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  620.799179][T10947]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  620.799182][T10947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  620.799183][T10947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  620.799188][T10947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  620.799189][T10947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  620.799193][T10947]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  620.799196][T10947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  620.799198][T10947]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  620.799205][T10947]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  620.799207][T10947]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  620.799211][T10947]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  620.799215][T10947]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  620.799217][T10947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  620.799222][T10947]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  620.799226][T10947]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  620.799229][T10947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  620.799231][T10947]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  620.799236][T10947]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  620.799239][T10947]  ____sys_sendmsg (net/socket.c:2713)
[  620.799241][T10947]  ? copy_msghdr_from_user (net/socket.c:2650)
[  620.799243][T10947]  ? sock_write_iter (net/socket.c:1269)
[  620.799245][T10947]  ? move_addr_to_kernel (net/socket.c:258)
[  620.799252][T10947]  ___sys_sendmsg (net/socket.c:2767)
[  620.799255][T10947]  ? copy_msghdr_from_user (net/socket.c:2619)
[  620.799270][T10947]  __sys_sendmsg (net/socket.c:2799)
[  620.799273][T10947]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  620.799279][T10947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.799282][T10947]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  620.799285][T10947]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  620.799288][T10947]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  620.799290][T10947] RIP: 0033:0x7fe5d7fca54e
[  620.799294][T10947] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  620.799295][T10947] RSP: 002b:00007ffda739a690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  620.799298][T10947] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe5d7fca54e
[  620.799300][T10947] RDX: 0000000000000000 RSI: 00007ffda739a740 RDI: 0000000000000005
[  620.799300][T10947] RBP: 00007ffda739a6a0 R08: 0000000000000000 R09: 0000000000000000
[  620.799301][T10947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee54
[  620.799302][T10947] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda739ae10
| [  629.369741][T11090] softirqs last disabled at (21814): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  629.369743][T11090] Preemption disabled at:
| [  629.369744][T11090] vprintk_emit (kernel/printk/printk.c:2471)
| [  629.369752][T11090] Tainted: [W]=WARN
[  629.369753][T11090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  629.369754][T11090] Call Trace:
[  629.369756][T11090]  <TASK>
[  629.369758][T11090]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  629.369763][T11090]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  629.369765][T11090]  __might_resched.cold (kernel/sched/core.c:9234)
[  629.369769][T11090]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  629.369774][T11090]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  629.369778][T11090]  __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))
[  629.369780][T11090]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  629.369786][T11090]  ? 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)
[  629.369789][T11090]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  629.369793][T11090]  put_chars (drivers/char/virtio_console.c:1176)
[  629.369795][T11090]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  629.369801][T11090]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  629.369809][T11090]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  629.369812][T11090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.369816][T11090]  console_emit_next_record (kernel/printk/printk.c:3183)
[  629.369820][T11090]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  629.369822][T11090]  ? 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))
[  629.369826][T11090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.369828][T11090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.369832][T11090]  console_flush_one_record (kernel/printk/printk.c:3268)
[  629.369837][T11090]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  629.369839][T11090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  629.369844][T11090]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  629.369847][T11090]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  629.369849][T11090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.369850][T11090]  ? 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)
[  629.369854][T11090]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  629.369856][T11090]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  629.369863][T11090]  vprintk_emit (kernel/printk/printk.c:2479)
[  629.369866][T11090]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  629.369869][T11090]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  629.369874][T11090]  _printk (kernel/printk/printk.c:2504)
[  629.369877][T11090]  ? snapshot_read.cold (user.c:?)
[  629.369879][T11090]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  629.369882][T11090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  629.369885][T11090]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  629.369887][T11090]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  629.369891][T11090]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  629.369893][T11090]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  629.369895][T11090]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  629.369898][T11090]  ? netdev_notice (net/core/dev.c:13194)
[  629.369901][T11090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  629.369904][T11090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  629.369907][T11090]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  629.369910][T11090]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  629.369912][T11090]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  629.369914][T11090]  ? register_netdev (net/core/dev.c:11618)
[  629.369916][T11090]  ? 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))
[  629.369921][T11090]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  629.369923][T11090]  ? __kernel_text_address (kernel/extable.c:79)
[  629.369926][T11090]  ? write_profile (profile.c:?)
[  629.369930][T11090]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  629.369936][T11090]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  629.369939][T11090]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  629.369941][T11090]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  629.369942][T11090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  629.369944][T11090]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  629.369948][T11090]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  629.369949][T11090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  629.369951][T11090]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  629.369954][T11090]  ? kasan_save_stack (mm/kasan/common.c:58)
[  629.369956][T11090]  ? kasan_save_stack (mm/kasan/common.c:57)
[  629.369957][T11090]  ? kasan_save_track (mm/kasan/common.c:78)
[  629.369958][T11090]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  629.369960][T11090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  629.369962][T11090]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  629.369965][T11090]  ? ___sys_sendmsg (net/socket.c:2758)
[  629.369969][T11090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  629.369971][T11090]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  629.369974][T11090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.369975][T11090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.369977][T11090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.369978][T11090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.369980][T11090]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  629.369982][T11090]  ? __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)
[  629.369983][T11090]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  629.369985][T11090]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  629.369988][T11090]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  629.369990][T11090]  ? nla_get_range_signed (lib/nlattr.c:270)
[  629.369995][T11090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.369997][T11090]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  629.370002][T11090]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  629.370007][T11090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  629.370009][T11090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  629.370013][T11090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  629.370015][T11090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  629.370017][T11090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  629.370019][T11090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  629.370023][T11090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  629.370025][T11090]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  629.370028][T11090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  629.370029][T11090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  629.370034][T11090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  629.370036][T11090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  629.370039][T11090]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  629.370042][T11090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  629.370045][T11090]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  629.370052][T11090]  ? 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))
[  629.370054][T11090]  ? 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))
[  629.370058][T11090]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  629.370062][T11090]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  629.370065][T11090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  629.370069][T11090]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  629.370073][T11090]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  629.370076][T11090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  629.370078][T11090]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  629.370083][T11090]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  629.370086][T11090]  ____sys_sendmsg (net/socket.c:2713)
[  629.370088][T11090]  ? copy_msghdr_from_user (net/socket.c:2650)
[  629.370091][T11090]  ? sock_write_iter (net/socket.c:1269)
[  629.370092][T11090]  ? move_addr_to_kernel (net/socket.c:258)
[  629.370099][T11090]  ___sys_sendmsg (net/socket.c:2767)
[  629.370102][T11090]  ? copy_msghdr_from_user (net/socket.c:2619)
[  629.370118][T11090]  __sys_sendmsg (net/socket.c:2799)
[  629.370120][T11090]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  629.370127][T11090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.370130][T11090]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  629.370132][T11090]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  629.370135][T11090]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  629.370137][T11090] RIP: 0033:0x7f27940c654e
[  629.370141][T11090] 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
[  629.370143][T11090] RSP: 002b:00007ffce0744000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  629.370146][T11090] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f27940c654e
[  629.370147][T11090] RDX: 0000000000000000 RSI: 00007ffce07440b0 RDI: 0000000000000005
[  629.370148][T11090] RBP: 00007ffce0744010 R08: 0000000000000000 R09: 0000000000000000
[  629.370149][T11090] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee5c
[  629.370150][T11090] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce0744780
| [  637.951962][T11233] softirqs last disabled at (28718): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  637.951965][T11233] Preemption disabled at:
| [  637.951966][T11233] vprintk_emit (kernel/printk/printk.c:2471)
| [  637.951974][T11233] Tainted: [W]=WARN
[  637.951975][T11233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  637.951977][T11233] Call Trace:
[  637.951978][T11233]  <TASK>
[  637.951980][T11233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  637.951985][T11233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  637.951987][T11233]  __might_resched.cold (kernel/sched/core.c:9234)
[  637.951992][T11233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  637.951996][T11233]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  637.952001][T11233]  __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))
[  637.952003][T11233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  637.952009][T11233]  ? 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)
[  637.952012][T11233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  637.952016][T11233]  put_chars (drivers/char/virtio_console.c:1176)
[  637.952018][T11233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  637.952024][T11233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  637.952032][T11233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  637.952035][T11233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.952039][T11233]  console_emit_next_record (kernel/printk/printk.c:3183)
[  637.952043][T11233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  637.952045][T11233]  ? 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))
[  637.952048][T11233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.952051][T11233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.952055][T11233]  console_flush_one_record (kernel/printk/printk.c:3268)
[  637.952059][T11233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  637.952061][T11233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  637.952066][T11233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  637.952069][T11233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  637.952071][T11233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.952073][T11233]  ? 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)
[  637.952076][T11233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  637.952078][T11233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  637.952081][T11233]  vprintk_emit (kernel/printk/printk.c:2479)
[  637.952084][T11233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  637.952087][T11233]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  637.952092][T11233]  _printk (kernel/printk/printk.c:2504)
[  637.952095][T11233]  ? snapshot_read.cold (user.c:?)
[  637.952097][T11233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  637.952099][T11233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  637.952102][T11233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  637.952104][T11233]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  637.952108][T11233]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  637.952111][T11233]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  637.952113][T11233]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  637.952116][T11233]  ? netdev_notice (net/core/dev.c:13194)
[  637.952119][T11233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  637.952122][T11233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  637.952125][T11233]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  637.952128][T11233]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  637.952130][T11233]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  637.952132][T11233]  ? register_netdev (net/core/dev.c:11618)
[  637.952134][T11233]  ? 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))
[  637.952139][T11233]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  637.952142][T11233]  ? __kernel_text_address (kernel/extable.c:79)
[  637.952144][T11233]  ? write_profile (profile.c:?)
[  637.952149][T11233]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  637.952154][T11233]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  637.952157][T11233]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  637.952159][T11233]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  637.952161][T11233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  637.952163][T11233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  637.952166][T11233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  637.952168][T11233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  637.952170][T11233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  637.952172][T11233]  ? kasan_save_stack (mm/kasan/common.c:58)
[  637.952174][T11233]  ? kasan_save_stack (mm/kasan/common.c:57)
[  637.952176][T11233]  ? kasan_save_track (mm/kasan/common.c:78)
[  637.952177][T11233]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  637.952179][T11233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  637.952181][T11233]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  637.952184][T11233]  ? ___sys_sendmsg (net/socket.c:2758)
[  637.952188][T11233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  637.952190][T11233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  637.952192][T11233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.952194][T11233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.952196][T11233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.952197][T11233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.952198][T11233]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  637.952201][T11233]  ? __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)
[  637.952202][T11233]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  637.952204][T11233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  637.952207][T11233]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  637.952208][T11233]  ? nla_get_range_signed (lib/nlattr.c:270)
[  637.952213][T11233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.952215][T11233]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  637.952221][T11233]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  637.952226][T11233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  637.952228][T11233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  637.952232][T11233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  637.952234][T11233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  637.952236][T11233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  637.952238][T11233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  637.952242][T11233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  637.952244][T11233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  637.952247][T11233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  637.952248][T11233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  637.952253][T11233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  637.952255][T11233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  637.952258][T11233]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  637.952261][T11233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  637.952264][T11233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  637.952270][T11233]  ? 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))
[  637.952272][T11233]  ? 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))
[  637.952277][T11233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  637.952281][T11233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  637.952283][T11233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  637.952287][T11233]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  637.952291][T11233]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  637.952295][T11233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  637.952297][T11233]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  637.952302][T11233]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  637.952305][T11233]  ____sys_sendmsg (net/socket.c:2713)
[  637.952307][T11233]  ? copy_msghdr_from_user (net/socket.c:2650)
[  637.952309][T11233]  ? sock_write_iter (net/socket.c:1269)
[  637.952311][T11233]  ? move_addr_to_kernel (net/socket.c:258)
[  637.952318][T11233]  ___sys_sendmsg (net/socket.c:2767)
[  637.952321][T11233]  ? copy_msghdr_from_user (net/socket.c:2619)
[  637.952337][T11233]  __sys_sendmsg (net/socket.c:2799)
[  637.952339][T11233]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  637.952345][T11233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.952348][T11233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  637.952352][T11233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  637.952354][T11233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  637.952357][T11233] RIP: 0033:0x7faaff1e054e
[  637.952360][T11233] 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
[  637.952362][T11233] RSP: 002b:00007fff45a6aa50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  637.952365][T11233] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faaff1e054e
[  637.952366][T11233] RDX: 0000000000000000 RSI: 00007fff45a6ab00 RDI: 0000000000000005
[  637.952367][T11233] RBP: 00007fff45a6aa60 R08: 0000000000000000 R09: 0000000000000000
[  637.952368][T11233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee65
[  637.952369][T11233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff45a6b1d0
| [  637.983762][    C0]
| [  637.983762][    C0]
| [  637.983762][    C0] stack backtrace:
| [  637.983767][    C0] Tainted: [W]=WARN
[  637.983768][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  637.983769][    C0] Call Trace:
[  637.983770][    C0]  <IRQ>
[  637.983771][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  637.983775][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  637.983777][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  637.983779][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  637.983782][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  637.983784][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  637.983785][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  637.983788][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  637.983789][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  637.983791][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.983793][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.983795][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  637.983797][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  637.983799][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[  637.983800][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  637.983802][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  637.983804][    C0]  _printk (kernel/printk/printk.c:2504)
[  637.983806][    C0]  ? snapshot_read.cold (user.c:?)
[  637.983807][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  637.983809][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  637.983811][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[  637.983813][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  637.983815][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  637.983816][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  637.983818][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  637.983820][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  637.983823][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  637.983824][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  637.983826][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.983828][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  637.983829][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  637.983832][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  637.983833][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  637.983836][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.983839][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  637.983841][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  637.983842][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  637.983845][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.983846][    C0]  handle_softirqs (kernel/softirq.c:645)
[  637.983848][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  637.983849][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  637.983852][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  637.983853][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  637.983855][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  637.983856][    C0]  </IRQ>
[  637.983857][    C0]  <TASK>
[  637.983857][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  637.983859][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  637.983860][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  637.983863][    C0] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 92 68 02 	mov    0x2689294(%rip),%rdi        # 0x268929b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 e3 a0 00 	sub    0xa0e358(%rip),%rax        # 0xa0e36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 16 0e 00 	verw   0xe1613(%rip)        # 0xe163b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  637.983864][    C0] RSP: 0018:ffffffffa6607cf8 EFLAGS: 00000296
[  637.983866][    C0] RAX: 000000000173a569 RBX: ffffffffa6630600 RCX: ffffffffa2d06247
[  637.983867][    C0] RDX: ffffffffa6630600 RSI: ffffffffa5f11042 RDI: ffffffffa58949e0
[  637.983868][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  637.983869][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4cc0fa2
[  637.983870][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  637.983871][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  637.983873][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  637.983875][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  637.983876][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  637.983878][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  637.983879][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  637.983881][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  637.983883][    C0]  ? debug_smp_processor_id (lib/smp_processor_id.c:57)
[  637.983885][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.983886][    C0]  do_idle (kernel/sched/idle.c:355)
[  637.983888][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  637.983893][    C0]  rest_init (init/main.c:727)
[  637.983895][    C0]  ? __cpuidle_text_end (??:?)
[  637.983898][    C0]  ? rest_init (init/main.c:727)
[  637.983899][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  637.983903][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  637.983904][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  637.983906][    C0]  start_kernel (init/main.c:1185)
[  637.983908][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  637.983910][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  637.983911][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  645.288101][T11376] softirqs last disabled at (0): 0x0
| [  645.288103][T11376] Preemption disabled at:
| [  645.288104][T11376] vprintk_emit (kernel/printk/printk.c:2471)
| [  645.288113][T11376] Tainted: [W]=WARN
[  645.288114][T11376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  645.288116][T11376] Call Trace:
[  645.288118][T11376]  <TASK>
[  645.288119][T11376]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  645.288124][T11376]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  645.288126][T11376]  __might_resched.cold (kernel/sched/core.c:9234)
[  645.288129][T11376]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  645.288132][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288135][T11376]  __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))
[  645.288138][T11376]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.288141][T11376]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.288145][T11376]  ? 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)
[  645.288147][T11376]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.288150][T11376]  put_chars (drivers/char/virtio_console.c:1176)
[  645.288151][T11376]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  645.288152][T11376]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  645.288154][T11376]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  645.288157][T11376]  ? pointer (lib/vsprintf.c:2577)
[  645.288160][T11376]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  645.288165][T11376]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  645.288166][T11376]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.288168][T11376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.288170][T11376]  console_emit_next_record (kernel/printk/printk.c:3183)
[  645.288173][T11376]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  645.288175][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288176][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288177][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288178][T11376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.288180][T11376]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  645.288182][T11376]  console_flush_one_record (kernel/printk/printk.c:3268)
[  645.288184][T11376]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  645.288187][T11376]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  645.288189][T11376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.288190][T11376]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  645.288192][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288193][T11376]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  645.288194][T11376]  ? 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)
[  645.288196][T11376]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  645.288197][T11376]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  645.288199][T11376]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  645.288201][T11376]  vprintk_emit (kernel/printk/printk.c:2479)
[  645.288202][T11376]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  645.288204][T11376]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  645.288206][T11376]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  645.288209][T11376]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  645.288212][T11376]  _printk (kernel/printk/printk.c:2504)
[  645.288215][T11376]  ? snapshot_read.cold (user.c:?)
[  645.288216][T11376]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  645.288218][T11376]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  645.288222][T11376]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  645.288223][T11376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.288227][T11376]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  645.288229][T11376]  ? netdev_notice (net/core/dev.c:13194)
[  645.288231][T11376]  ? 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)
[  645.288232][T11376]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  645.288235][T11376]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.288236][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288237][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288238][T11376]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  645.288240][T11376]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  645.288241][T11376]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  645.288243][T11376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.288244][T11376]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  645.288245][T11376]  ? register_netdev (net/core/dev.c:11618)
[  645.288247][T11376]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  645.288249][T11376]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  645.288251][T11376]  ? __kernel_text_address (kernel/extable.c:79)
[  645.288253][T11376]  ? write_profile (profile.c:?)
[  645.288256][T11376]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  645.288259][T11376]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.288261][T11376]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  645.288263][T11376]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  645.288264][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288265][T11376]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  645.288268][T11376]  ? kasan_save_stack (mm/kasan/common.c:58)
[  645.288270][T11376]  ? kasan_save_stack (mm/kasan/common.c:57)
[  645.288271][T11376]  ? kasan_save_track (mm/kasan/common.c:78)
[  645.288272][T11376]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  645.288273][T11376]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  645.288274][T11376]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  645.288275][T11376]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  645.288277][T11376]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  645.288280][T11376]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  645.288281][T11376]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  645.288282][T11376]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  645.288285][T11376]  ? ____sys_sendmsg (net/socket.c:2713)
[  645.288286][T11376]  ? ___sys_sendmsg (net/socket.c:2767)
[  645.288288][T11376]  ? __sys_sendmsg (net/socket.c:2799)
[  645.288289][T11376]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  645.288291][T11376]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  645.288294][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288295][T11376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.288297][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288297][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288298][T11376]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  645.288300][T11376]  ? __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)
[  645.288301][T11376]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  645.288302][T11376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  645.288304][T11376]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  645.288305][T11376]  ? nla_get_range_signed (lib/nlattr.c:270)
[  645.288308][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288309][T11376]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  645.288311][T11376]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  645.288313][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288314][T11376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.288315][T11376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.288316][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288318][T11376]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  645.288320][T11376]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  645.288321][T11376]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  645.288322][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288323][T11376]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  645.288327][T11376]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  645.288329][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288330][T11376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.288332][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288333][T11376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.288334][T11376]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  645.288335][T11376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  645.288337][T11376]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  645.288338][T11376]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  645.288340][T11376]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  645.288342][T11376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  645.288343][T11376]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  645.288345][T11376]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  645.288346][T11376]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  645.288349][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288350][T11376]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  645.288352][T11376]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  645.288354][T11376]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  645.288356][T11376]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  645.288358][T11376]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  645.288360][T11376]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  645.288361][T11376]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  645.288363][T11376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.288365][T11376]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  645.288368][T11376]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  645.288370][T11376]  ____sys_sendmsg (net/socket.c:2713)
[  645.288371][T11376]  ? copy_msghdr_from_user (net/socket.c:2650)
[  645.288373][T11376]  ? sock_write_iter (net/socket.c:1269)
[  645.288374][T11376]  ? move_addr_to_kernel (net/socket.c:258)
[  645.288376][T11376]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  645.288378][T11376]  ___sys_sendmsg (net/socket.c:2767)
[  645.288380][T11376]  ? copy_msghdr_from_user (net/socket.c:2619)
[  645.288385][T11376]  __sys_sendmsg (net/socket.c:2799)
[  645.288386][T11376]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  645.288392][T11376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.288393][T11376]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  645.288395][T11376]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  645.288397][T11376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  645.288398][T11376] RIP: 0033:0x7fecede9c54e
[  645.288400][T11376] 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
[  645.288402][T11376] RSP: 002b:00007ffcca613ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  645.288405][T11376] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fecede9c54e
[  645.288406][T11376] RDX: 0000000000000000 RSI: 00007ffcca613f50 RDI: 0000000000000005
[  645.288407][T11376] RBP: 00007ffcca613eb0 R08: 0000000000000000 R09: 0000000000000000
[  645.288408][T11376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee6c
[  645.288409][T11376] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcca614620
| [  652.559552][T11519] softirqs last disabled at (0): 0x0
| [  652.559554][T11519] Preemption disabled at:
| [  652.559555][T11519] vprintk_emit (kernel/printk/printk.c:2471)
| [  652.559565][T11519] Tainted: [W]=WARN
[  652.559566][T11519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  652.559568][T11519] Call Trace:
[  652.559569][T11519]  <TASK>
[  652.559570][T11519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  652.559576][T11519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  652.559577][T11519]  __might_resched.cold (kernel/sched/core.c:9234)
[  652.559581][T11519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  652.559584][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559587][T11519]  __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))
[  652.559590][T11519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.559593][T11519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.559598][T11519]  ? 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)
[  652.559600][T11519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.559602][T11519]  put_chars (drivers/char/virtio_console.c:1176)
[  652.559604][T11519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  652.559605][T11519]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  652.559607][T11519]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  652.559609][T11519]  ? pointer (lib/vsprintf.c:2577)
[  652.559613][T11519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  652.559617][T11519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  652.559619][T11519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.559621][T11519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.559623][T11519]  console_emit_next_record (kernel/printk/printk.c:3183)
[  652.559626][T11519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  652.559628][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559629][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559630][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559631][T11519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.559633][T11519]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  652.559634][T11519]  console_flush_one_record (kernel/printk/printk.c:3268)
[  652.559637][T11519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  652.559639][T11519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  652.559641][T11519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.559643][T11519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  652.559644][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559645][T11519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.559647][T11519]  ? 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)
[  652.559648][T11519]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  652.559650][T11519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  652.559651][T11519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  652.559653][T11519]  vprintk_emit (kernel/printk/printk.c:2479)
[  652.559655][T11519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  652.559656][T11519]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  652.559658][T11519]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  652.559661][T11519]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  652.559663][T11519]  _printk (kernel/printk/printk.c:2504)
[  652.559666][T11519]  ? snapshot_read.cold (user.c:?)
[  652.559668][T11519]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  652.559670][T11519]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  652.559673][T11519]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  652.559675][T11519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.559679][T11519]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  652.559681][T11519]  ? netdev_notice (net/core/dev.c:13194)
[  652.559683][T11519]  ? 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)
[  652.559685][T11519]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  652.559687][T11519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.559689][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559690][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559691][T11519]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  652.559692][T11519]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  652.559694][T11519]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  652.559695][T11519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.559696][T11519]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  652.559698][T11519]  ? register_netdev (net/core/dev.c:11618)
[  652.559699][T11519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.559701][T11519]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  652.559703][T11519]  ? __kernel_text_address (kernel/extable.c:79)
[  652.559705][T11519]  ? write_profile (profile.c:?)
[  652.559708][T11519]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  652.559711][T11519]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.559713][T11519]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  652.559715][T11519]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  652.559716][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559717][T11519]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  652.559720][T11519]  ? kasan_save_stack (mm/kasan/common.c:58)
[  652.559722][T11519]  ? kasan_save_stack (mm/kasan/common.c:57)
[  652.559723][T11519]  ? kasan_save_track (mm/kasan/common.c:78)
[  652.559724][T11519]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  652.559725][T11519]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  652.559726][T11519]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  652.559727][T11519]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  652.559729][T11519]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  652.559732][T11519]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  652.559733][T11519]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  652.559734][T11519]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  652.559737][T11519]  ? ____sys_sendmsg (net/socket.c:2713)
[  652.559738][T11519]  ? ___sys_sendmsg (net/socket.c:2767)
[  652.559740][T11519]  ? __sys_sendmsg (net/socket.c:2799)
[  652.559741][T11519]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  652.559743][T11519]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.559746][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559747][T11519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.559748][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559749][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559750][T11519]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  652.559752][T11519]  ? __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)
[  652.559753][T11519]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  652.559754][T11519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  652.559756][T11519]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  652.559757][T11519]  ? nla_get_range_signed (lib/nlattr.c:270)
[  652.559760][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559761][T11519]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  652.559763][T11519]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  652.559765][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559766][T11519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.559767][T11519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.559768][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559770][T11519]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  652.559772][T11519]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  652.559773][T11519]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  652.559775][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559776][T11519]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  652.559779][T11519]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  652.559781][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559782][T11519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.559784][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559785][T11519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.559786][T11519]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  652.559788][T11519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.559789][T11519]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.559791][T11519]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  652.559793][T11519]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  652.559794][T11519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.559796][T11519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.559797][T11519]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  652.559799][T11519]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  652.559802][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559803][T11519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.559805][T11519]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  652.559807][T11519]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  652.559809][T11519]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.559811][T11519]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  652.559813][T11519]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  652.559814][T11519]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  652.559816][T11519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.559817][T11519]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  652.559820][T11519]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  652.559822][T11519]  ____sys_sendmsg (net/socket.c:2713)
[  652.559824][T11519]  ? copy_msghdr_from_user (net/socket.c:2650)
[  652.559825][T11519]  ? sock_write_iter (net/socket.c:1269)
[  652.559827][T11519]  ? move_addr_to_kernel (net/socket.c:258)
[  652.559828][T11519]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.559831][T11519]  ___sys_sendmsg (net/socket.c:2767)
[  652.559832][T11519]  ? copy_msghdr_from_user (net/socket.c:2619)
[  652.559837][T11519]  __sys_sendmsg (net/socket.c:2799)
[  652.559839][T11519]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  652.559842][T11519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.559843][T11519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  652.559845][T11519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  652.559847][T11519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.559848][T11519] RIP: 0033:0x7f8face1b54e
[  652.559850][T11519] 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
[  652.559852][T11519] RSP: 002b:00007ffc83e051a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  652.559855][T11519] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8face1b54e
[  652.559857][T11519] RDX: 0000000000000000 RSI: 00007ffc83e05250 RDI: 0000000000000005
[  652.559858][T11519] RBP: 00007ffc83e051b0 R08: 0000000000000000 R09: 0000000000000000
[  652.559858][T11519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee73
[  652.559859][T11519] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc83e05920
| [  659.891459][T11662] softirqs last disabled at (0): 0x0
| [  659.891461][T11662] Preemption disabled at:
| [  659.891462][T11662] vprintk_emit (kernel/printk/printk.c:2471)
| [  659.891471][T11662] Tainted: [W]=WARN
[  659.891473][T11662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  659.891474][T11662] Call Trace:
[  659.891476][T11662]  <TASK>
[  659.891477][T11662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  659.891483][T11662]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  659.891485][T11662]  __might_resched.cold (kernel/sched/core.c:9234)
[  659.891489][T11662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  659.891492][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891495][T11662]  __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))
[  659.891498][T11662]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.891501][T11662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  659.891506][T11662]  ? 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)
[  659.891507][T11662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  659.891510][T11662]  put_chars (drivers/char/virtio_console.c:1176)
[  659.891512][T11662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  659.891513][T11662]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  659.891515][T11662]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  659.891517][T11662]  ? pointer (lib/vsprintf.c:2577)
[  659.891521][T11662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  659.891526][T11662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  659.891528][T11662]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.891529][T11662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.891532][T11662]  console_emit_next_record (kernel/printk/printk.c:3183)
[  659.891534][T11662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  659.891536][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891537][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891538][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891539][T11662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.891541][T11662]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  659.891543][T11662]  console_flush_one_record (kernel/printk/printk.c:3268)
[  659.891545][T11662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  659.891548][T11662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  659.891550][T11662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.891552][T11662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  659.891553][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891554][T11662]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.891556][T11662]  ? 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)
[  659.891557][T11662]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  659.891559][T11662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  659.891561][T11662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  659.891562][T11662]  vprintk_emit (kernel/printk/printk.c:2479)
[  659.891564][T11662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  659.891565][T11662]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  659.891568][T11662]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  659.891571][T11662]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  659.891574][T11662]  _printk (kernel/printk/printk.c:2504)
[  659.891577][T11662]  ? snapshot_read.cold (user.c:?)
[  659.891578][T11662]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  659.891581][T11662]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  659.891584][T11662]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  659.891586][T11662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.891589][T11662]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  659.891591][T11662]  ? netdev_notice (net/core/dev.c:13194)
[  659.891593][T11662]  ? 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)
[  659.891595][T11662]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  659.891598][T11662]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.891599][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891600][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891601][T11662]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  659.891602][T11662]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  659.891604][T11662]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  659.891605][T11662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.891607][T11662]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  659.891608][T11662]  ? register_netdev (net/core/dev.c:11618)
[  659.891609][T11662]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.891611][T11662]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  659.891614][T11662]  ? __kernel_text_address (kernel/extable.c:79)
[  659.891616][T11662]  ? write_profile (profile.c:?)
[  659.891619][T11662]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  659.891623][T11662]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.891624][T11662]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  659.891626][T11662]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  659.891627][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891628][T11662]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  659.891632][T11662]  ? kasan_save_stack (mm/kasan/common.c:58)
[  659.891634][T11662]  ? kasan_save_stack (mm/kasan/common.c:57)
[  659.891635][T11662]  ? kasan_save_track (mm/kasan/common.c:78)
[  659.891636][T11662]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  659.891637][T11662]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  659.891638][T11662]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  659.891639][T11662]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  659.891640][T11662]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  659.891643][T11662]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  659.891644][T11662]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  659.891646][T11662]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  659.891648][T11662]  ? ____sys_sendmsg (net/socket.c:2713)
[  659.891650][T11662]  ? ___sys_sendmsg (net/socket.c:2767)
[  659.891651][T11662]  ? __sys_sendmsg (net/socket.c:2799)
[  659.891653][T11662]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  659.891655][T11662]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.891658][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891659][T11662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.891660][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891661][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891662][T11662]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  659.891664][T11662]  ? __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)
[  659.891665][T11662]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  659.891666][T11662]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  659.891667][T11662]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  659.891668][T11662]  ? nla_get_range_signed (lib/nlattr.c:270)
[  659.891672][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891673][T11662]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  659.891675][T11662]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  659.891677][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891678][T11662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  659.891679][T11662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.891681][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891682][T11662]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  659.891684][T11662]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  659.891685][T11662]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  659.891687][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891688][T11662]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  659.891691][T11662]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  659.891693][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891694][T11662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.891696][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891697][T11662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  659.891698][T11662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  659.891700][T11662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  659.891701][T11662]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  659.891703][T11662]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  659.891705][T11662]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  659.891707][T11662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  659.891708][T11662]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.891710][T11662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  659.891711][T11662]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  659.891714][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891715][T11662]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.891717][T11662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  659.891719][T11662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  659.891721][T11662]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.891723][T11662]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  659.891725][T11662]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  659.891727][T11662]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  659.891728][T11662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.891730][T11662]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  659.891733][T11662]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  659.891735][T11662]  ____sys_sendmsg (net/socket.c:2713)
[  659.891736][T11662]  ? copy_msghdr_from_user (net/socket.c:2650)
[  659.891738][T11662]  ? sock_write_iter (net/socket.c:1269)
[  659.891739][T11662]  ? move_addr_to_kernel (net/socket.c:258)
[  659.891741][T11662]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  659.891744][T11662]  ___sys_sendmsg (net/socket.c:2767)
[  659.891745][T11662]  ? copy_msghdr_from_user (net/socket.c:2619)
[  659.891750][T11662]  __sys_sendmsg (net/socket.c:2799)
[  659.891752][T11662]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  659.891755][T11662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.891756][T11662]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  659.891758][T11662]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  659.891760][T11662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.891761][T11662] RIP: 0033:0x7fa3ffef554e
[  659.891763][T11662] 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
[  659.891765][T11662] RSP: 002b:00007ffd9032c160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  659.891768][T11662] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa3ffef554e
[  659.891770][T11662] RDX: 0000000000000000 RSI: 00007ffd9032c210 RDI: 0000000000000005
[  659.891771][T11662] RBP: 00007ffd9032c170 R08: 0000000000000000 R09: 0000000000000000
[  659.891771][T11662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee7b
[  659.891772][T11662] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9032c8e0
| [  667.155324][T11805] softirqs last disabled at (0): 0x0
| [  667.155326][T11805] Preemption disabled at:
| [  667.155327][T11805] vprintk_emit (kernel/printk/printk.c:2471)
| [  667.155336][T11805] Tainted: [W]=WARN
[  667.155337][T11805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  667.155338][T11805] Call Trace:
[  667.155340][T11805]  <TASK>
[  667.155341][T11805]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  667.155346][T11805]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  667.155348][T11805]  __might_resched.cold (kernel/sched/core.c:9234)
[  667.155352][T11805]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  667.155355][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155358][T11805]  __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))
[  667.155360][T11805]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.155363][T11805]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.155368][T11805]  ? 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)
[  667.155370][T11805]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.155372][T11805]  put_chars (drivers/char/virtio_console.c:1176)
[  667.155374][T11805]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  667.155375][T11805]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  667.155378][T11805]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  667.155380][T11805]  ? pointer (lib/vsprintf.c:2577)
[  667.155383][T11805]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  667.155391][T11805]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  667.155393][T11805]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.155395][T11805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.155398][T11805]  console_emit_next_record (kernel/printk/printk.c:3183)
[  667.155401][T11805]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  667.155403][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155404][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155405][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155406][T11805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.155408][T11805]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  667.155409][T11805]  console_flush_one_record (kernel/printk/printk.c:3268)
[  667.155412][T11805]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  667.155414][T11805]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  667.155416][T11805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.155418][T11805]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  667.155419][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155420][T11805]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.155422][T11805]  ? 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)
[  667.155423][T11805]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  667.155425][T11805]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  667.155427][T11805]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  667.155428][T11805]  vprintk_emit (kernel/printk/printk.c:2479)
[  667.155430][T11805]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  667.155431][T11805]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  667.155434][T11805]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  667.155437][T11805]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  667.155439][T11805]  _printk (kernel/printk/printk.c:2504)
[  667.155442][T11805]  ? snapshot_read.cold (user.c:?)
[  667.155444][T11805]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  667.155446][T11805]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  667.155449][T11805]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  667.155451][T11805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.155454][T11805]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  667.155457][T11805]  ? netdev_notice (net/core/dev.c:13194)
[  667.155459][T11805]  ? 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)
[  667.155460][T11805]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  667.155463][T11805]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.155464][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155465][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155466][T11805]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  667.155468][T11805]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  667.155469][T11805]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  667.155470][T11805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.155472][T11805]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  667.155473][T11805]  ? register_netdev (net/core/dev.c:11618)
[  667.155474][T11805]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.155476][T11805]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  667.155479][T11805]  ? __kernel_text_address (kernel/extable.c:79)
[  667.155481][T11805]  ? write_profile (profile.c:?)
[  667.155484][T11805]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  667.155487][T11805]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.155489][T11805]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  667.155491][T11805]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  667.155492][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155493][T11805]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  667.155496][T11805]  ? kasan_save_stack (mm/kasan/common.c:58)
[  667.155498][T11805]  ? kasan_save_stack (mm/kasan/common.c:57)
[  667.155499][T11805]  ? kasan_save_track (mm/kasan/common.c:78)
[  667.155500][T11805]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  667.155501][T11805]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  667.155502][T11805]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  667.155503][T11805]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  667.155504][T11805]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  667.155507][T11805]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  667.155509][T11805]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  667.155510][T11805]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  667.155513][T11805]  ? ____sys_sendmsg (net/socket.c:2713)
[  667.155514][T11805]  ? ___sys_sendmsg (net/socket.c:2767)
[  667.155515][T11805]  ? __sys_sendmsg (net/socket.c:2799)
[  667.155517][T11805]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  667.155519][T11805]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.155522][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155523][T11805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.155524][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155525][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155526][T11805]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  667.155527][T11805]  ? __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)
[  667.155529][T11805]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  667.155530][T11805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  667.155531][T11805]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  667.155532][T11805]  ? nla_get_range_signed (lib/nlattr.c:270)
[  667.155535][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155537][T11805]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  667.155539][T11805]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  667.155541][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155542][T11805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.155543][T11805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.155544][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155545][T11805]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  667.155548][T11805]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  667.155549][T11805]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  667.155550][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155552][T11805]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  667.155555][T11805]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  667.155557][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155558][T11805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.155560][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155561][T11805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.155562][T11805]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  667.155564][T11805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.155565][T11805]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  667.155567][T11805]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  667.155569][T11805]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  667.155571][T11805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.155572][T11805]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.155573][T11805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  667.155575][T11805]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  667.155578][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155579][T11805]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.155581][T11805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  667.155583][T11805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  667.155585][T11805]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.155587][T11805]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  667.155589][T11805]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  667.155590][T11805]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  667.155592][T11805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.155593][T11805]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  667.155597][T11805]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  667.155598][T11805]  ____sys_sendmsg (net/socket.c:2713)
[  667.155600][T11805]  ? copy_msghdr_from_user (net/socket.c:2650)
[  667.155601][T11805]  ? sock_write_iter (net/socket.c:1269)
[  667.155603][T11805]  ? move_addr_to_kernel (net/socket.c:258)
[  667.155604][T11805]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  667.155607][T11805]  ___sys_sendmsg (net/socket.c:2767)
[  667.155608][T11805]  ? copy_msghdr_from_user (net/socket.c:2619)
[  667.155613][T11805]  __sys_sendmsg (net/socket.c:2799)
[  667.155615][T11805]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  667.155618][T11805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.155619][T11805]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  667.155621][T11805]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  667.155623][T11805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.155624][T11805] RIP: 0033:0x7f6b44dd254e
[  667.155626][T11805] 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
[  667.155628][T11805] RSP: 002b:00007ffca4ec7580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  667.155631][T11805] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6b44dd254e
[  667.155632][T11805] RDX: 0000000000000000 RSI: 00007ffca4ec7630 RDI: 0000000000000005
[  667.155633][T11805] RBP: 00007ffca4ec7590 R08: 0000000000000000 R09: 0000000000000000
[  667.155634][T11805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee82
[  667.155635][T11805] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca4ec7d00
| [  674.420448][T11948] softirqs last disabled at (0): 0x0
| [  674.420450][T11948] Preemption disabled at:
| [  674.420451][T11948] vprintk_emit (kernel/printk/printk.c:2471)
| [  674.420461][T11948] Tainted: [W]=WARN
[  674.420462][T11948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  674.420463][T11948] Call Trace:
[  674.420465][T11948]  <TASK>
[  674.420466][T11948]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  674.420471][T11948]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  674.420473][T11948]  __might_resched.cold (kernel/sched/core.c:9234)
[  674.420476][T11948]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  674.420479][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420482][T11948]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  674.420485][T11948]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.420487][T11948]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.420492][T11948]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  674.420494][T11948]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.420497][T11948]  put_chars (drivers/char/virtio_console.c:1176)
[  674.420498][T11948]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  674.420499][T11948]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  674.420502][T11948]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  674.420504][T11948]  ? pointer (lib/vsprintf.c:2577)
[  674.420507][T11948]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  674.420512][T11948]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  674.420514][T11948]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.420515][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.420518][T11948]  console_emit_next_record (kernel/printk/printk.c:3183)
[  674.420520][T11948]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  674.420522][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420523][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420524][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420525][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.420527][T11948]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  674.420529][T11948]  console_flush_one_record (kernel/printk/printk.c:3268)
[  674.420531][T11948]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  674.420534][T11948]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  674.420536][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.420537][T11948]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  674.420539][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420540][T11948]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.420542][T11948]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  674.420543][T11948]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  674.420545][T11948]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  674.420547][T11948]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  674.420548][T11948]  vprintk_emit (kernel/printk/printk.c:2479)
[  674.420550][T11948]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  674.420551][T11948]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  674.420553][T11948]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  674.420557][T11948]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  674.420559][T11948]  _printk (kernel/printk/printk.c:2504)
[  674.420562][T11948]  ? snapshot_read.cold (user.c:?)
[  674.420564][T11948]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  674.420566][T11948]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  674.420569][T11948]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  674.420571][T11948]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.420574][T11948]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  674.420576][T11948]  ? netdev_notice (net/core/dev.c:13194)
[  674.420578][T11948]  ? 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)
[  674.420580][T11948]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  674.420582][T11948]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.420584][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420585][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420586][T11948]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  674.420587][T11948]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  674.420589][T11948]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  674.420590][T11948]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.420591][T11948]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  674.420593][T11948]  ? register_netdev (net/core/dev.c:11618)
[  674.420594][T11948]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.420596][T11948]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  674.420598][T11948]  ? __kernel_text_address (kernel/extable.c:79)
[  674.420601][T11948]  ? write_profile (profile.c:?)
[  674.420603][T11948]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  674.420607][T11948]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.420608][T11948]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  674.420610][T11948]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  674.420611][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420612][T11948]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  674.420615][T11948]  ? kasan_save_stack (mm/kasan/common.c:58)
[  674.420617][T11948]  ? kasan_save_stack (mm/kasan/common.c:57)
[  674.420618][T11948]  ? kasan_save_track (mm/kasan/common.c:78)
[  674.420619][T11948]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  674.420620][T11948]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  674.420621][T11948]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  674.420622][T11948]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  674.420623][T11948]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  674.420626][T11948]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  674.420627][T11948]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  674.420629][T11948]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  674.420631][T11948]  ? ____sys_sendmsg (net/socket.c:2713)
[  674.420632][T11948]  ? ___sys_sendmsg (net/socket.c:2767)
[  674.420634][T11948]  ? __sys_sendmsg (net/socket.c:2799)
[  674.420635][T11948]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  674.420638][T11948]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.420640][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420641][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.420643][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420644][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420645][T11948]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  674.420646][T11948]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  674.420647][T11948]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  674.420649][T11948]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  674.420650][T11948]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  674.420651][T11948]  ? nla_get_range_signed (lib/nlattr.c:270)
[  674.420654][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420655][T11948]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  674.420657][T11948]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  674.420659][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420661][T11948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.420662][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.420663][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420664][T11948]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  674.420667][T11948]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  674.420668][T11948]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  674.420669][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420670][T11948]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  674.420674][T11948]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  674.420676][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420677][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.420679][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420680][T11948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.420681][T11948]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  674.420683][T11948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.420684][T11948]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  674.420685][T11948]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  674.420688][T11948]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  674.420689][T11948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.420691][T11948]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.420692][T11948]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  674.420694][T11948]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  674.420697][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420698][T11948]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.420700][T11948]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  674.420702][T11948]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  674.420704][T11948]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.420706][T11948]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  674.420708][T11948]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  674.420709][T11948]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  674.420711][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.420712][T11948]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  674.420716][T11948]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  674.420718][T11948]  ____sys_sendmsg (net/socket.c:2713)
[  674.420719][T11948]  ? copy_msghdr_from_user (net/socket.c:2650)
[  674.420721][T11948]  ? sock_write_iter (net/socket.c:1269)
[  674.420722][T11948]  ? move_addr_to_kernel (net/socket.c:258)
[  674.420724][T11948]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  674.420726][T11948]  ___sys_sendmsg (net/socket.c:2767)
[  674.420728][T11948]  ? copy_msghdr_from_user (net/socket.c:2619)
[  674.420733][T11948]  __sys_sendmsg (net/socket.c:2799)
[  674.420735][T11948]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  674.420738][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.420739][T11948]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  674.420741][T11948]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  674.420742][T11948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.420744][T11948] RIP: 0033:0x7fc3af3bb54e
[  674.420746][T11948] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  674.420747][T11948] RSP: 002b:00007ffd9e14a4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  674.420751][T11948] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc3af3bb54e
[  674.420752][T11948] RDX: 0000000000000000 RSI: 00007ffd9e14a570 RDI: 0000000000000005
[  674.420753][T11948] RBP: 00007ffd9e14a4d0 R08: 0000000000000000 R09: 0000000000000000
[  674.420754][T11948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee89
[  674.420755][T11948] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9e14ac40
| [  681.686353][T12091] softirqs last disabled at (0): 0x0
| [  681.686355][T12091] Preemption disabled at:
| [  681.686356][T12091] vprintk_emit (kernel/printk/printk.c:2471)
| [  681.686365][T12091] Tainted: [W]=WARN
[  681.686366][T12091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  681.686368][T12091] Call Trace:
[  681.686369][T12091]  <TASK>
[  681.686370][T12091]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  681.686376][T12091]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  681.686377][T12091]  __might_resched.cold (kernel/sched/core.c:9234)
[  681.686381][T12091]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  681.686384][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686387][T12091]  __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))
[  681.686394][T12091]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.686397][T12091]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  681.686402][T12091]  ? 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)
[  681.686404][T12091]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  681.686406][T12091]  put_chars (drivers/char/virtio_console.c:1176)
[  681.686408][T12091]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  681.686409][T12091]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  681.686411][T12091]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  681.686413][T12091]  ? pointer (lib/vsprintf.c:2577)
[  681.686417][T12091]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  681.686421][T12091]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  681.686423][T12091]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.686425][T12091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.686427][T12091]  console_emit_next_record (kernel/printk/printk.c:3183)
[  681.686430][T12091]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  681.686432][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686433][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686434][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686435][T12091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.686437][T12091]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  681.686438][T12091]  console_flush_one_record (kernel/printk/printk.c:3268)
[  681.686441][T12091]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  681.686443][T12091]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  681.686445][T12091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.686447][T12091]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  681.686448][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686449][T12091]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.686451][T12091]  ? 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)
[  681.686452][T12091]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  681.686454][T12091]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  681.686456][T12091]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  681.686457][T12091]  vprintk_emit (kernel/printk/printk.c:2479)
[  681.686459][T12091]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  681.686460][T12091]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  681.686462][T12091]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  681.686465][T12091]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  681.686467][T12091]  _printk (kernel/printk/printk.c:2504)
[  681.686470][T12091]  ? snapshot_read.cold (user.c:?)
[  681.686472][T12091]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  681.686474][T12091]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  681.686477][T12091]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  681.686479][T12091]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  681.686482][T12091]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  681.686484][T12091]  ? netdev_notice (net/core/dev.c:13194)
[  681.686487][T12091]  ? 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)
[  681.686488][T12091]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  681.686491][T12091]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.686492][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686493][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686494][T12091]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  681.686496][T12091]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  681.686497][T12091]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  681.686498][T12091]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  681.686500][T12091]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  681.686501][T12091]  ? register_netdev (net/core/dev.c:11618)
[  681.686503][T12091]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.686504][T12091]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  681.686507][T12091]  ? __kernel_text_address (kernel/extable.c:79)
[  681.686509][T12091]  ? write_profile (profile.c:?)
[  681.686512][T12091]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  681.686515][T12091]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  681.686517][T12091]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  681.686518][T12091]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  681.686520][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686521][T12091]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  681.686524][T12091]  ? kasan_save_stack (mm/kasan/common.c:58)
[  681.686526][T12091]  ? kasan_save_stack (mm/kasan/common.c:57)
[  681.686527][T12091]  ? kasan_save_track (mm/kasan/common.c:78)
[  681.686528][T12091]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  681.686529][T12091]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  681.686530][T12091]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  681.686531][T12091]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  681.686532][T12091]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  681.686535][T12091]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  681.686537][T12091]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  681.686538][T12091]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  681.686541][T12091]  ? ____sys_sendmsg (net/socket.c:2713)
[  681.686542][T12091]  ? ___sys_sendmsg (net/socket.c:2767)
[  681.686543][T12091]  ? __sys_sendmsg (net/socket.c:2799)
[  681.686545][T12091]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  681.686547][T12091]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  681.686550][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686551][T12091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.686552][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686553][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686554][T12091]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  681.686556][T12091]  ? __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)
[  681.686557][T12091]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  681.686558][T12091]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  681.686560][T12091]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  681.686561][T12091]  ? nla_get_range_signed (lib/nlattr.c:270)
[  681.686564][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686565][T12091]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  681.686567][T12091]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  681.686569][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686570][T12091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  681.686571][T12091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.686573][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686574][T12091]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  681.686576][T12091]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  681.686577][T12091]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  681.686579][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686580][T12091]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  681.686583][T12091]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  681.686586][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686587][T12091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.686588][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686589][T12091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  681.686590][T12091]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  681.686592][T12091]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  681.686593][T12091]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  681.686595][T12091]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  681.686597][T12091]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  681.686599][T12091]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  681.686600][T12091]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.686602][T12091]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  681.686603][T12091]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  681.686606][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686607][T12091]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.686609][T12091]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  681.686612][T12091]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  681.686613][T12091]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  681.686615][T12091]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  681.686617][T12091]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  681.686619][T12091]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  681.686620][T12091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.686622][T12091]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  681.686625][T12091]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  681.686627][T12091]  ____sys_sendmsg (net/socket.c:2713)
[  681.686628][T12091]  ? copy_msghdr_from_user (net/socket.c:2650)
[  681.686630][T12091]  ? sock_write_iter (net/socket.c:1269)
[  681.686631][T12091]  ? move_addr_to_kernel (net/socket.c:258)
[  681.686633][T12091]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  681.686636][T12091]  ___sys_sendmsg (net/socket.c:2767)
[  681.686637][T12091]  ? copy_msghdr_from_user (net/socket.c:2619)
[  681.686642][T12091]  __sys_sendmsg (net/socket.c:2799)
[  681.686644][T12091]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  681.686647][T12091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.686648][T12091]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  681.686650][T12091]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  681.686652][T12091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  681.686653][T12091] RIP: 0033:0x7f626d2cc54e
[  681.686655][T12091] 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
[  681.686657][T12091] RSP: 002b:00007ffc3a657520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  681.686660][T12091] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f626d2cc54e
[  681.686662][T12091] RDX: 0000000000000000 RSI: 00007ffc3a6575d0 RDI: 0000000000000005
[  681.686663][T12091] RBP: 00007ffc3a657530 R08: 0000000000000000 R09: 0000000000000000
[  681.686663][T12091] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee91
[  681.686664][T12091] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3a657ca0
| [  688.954411][T12234] softirqs last disabled at (0): 0x0
| [  688.954412][T12234] Preemption disabled at:
| [  688.954413][T12234] vprintk_emit (kernel/printk/printk.c:2471)
| [  688.954422][T12234] Tainted: [W]=WARN
[  688.954423][T12234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  688.954425][T12234] Call Trace:
[  688.954427][T12234]  <TASK>
[  688.954428][T12234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  688.954434][T12234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  688.954435][T12234]  __might_resched.cold (kernel/sched/core.c:9234)
[  688.954439][T12234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  688.954443][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954445][T12234]  __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))
[  688.954448][T12234]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  688.954451][T12234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.954456][T12234]  ? 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)
[  688.954458][T12234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.954460][T12234]  put_chars (drivers/char/virtio_console.c:1176)
[  688.954462][T12234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  688.954463][T12234]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  688.954465][T12234]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  688.954467][T12234]  ? pointer (lib/vsprintf.c:2577)
[  688.954471][T12234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  688.954475][T12234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  688.954477][T12234]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  688.954479][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.954481][T12234]  console_emit_next_record (kernel/printk/printk.c:3183)
[  688.954484][T12234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  688.954486][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954487][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954488][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954489][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.954491][T12234]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  688.954493][T12234]  console_flush_one_record (kernel/printk/printk.c:3268)
[  688.954495][T12234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  688.954498][T12234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  688.954500][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.954502][T12234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  688.954503][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954504][T12234]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  688.954506][T12234]  ? 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)
[  688.954507][T12234]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  688.954509][T12234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  688.954510][T12234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  688.954512][T12234]  vprintk_emit (kernel/printk/printk.c:2479)
[  688.954514][T12234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  688.954515][T12234]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  688.954517][T12234]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  688.954520][T12234]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  688.954523][T12234]  _printk (kernel/printk/printk.c:2504)
[  688.954526][T12234]  ? snapshot_read.cold (user.c:?)
[  688.954528][T12234]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  688.954530][T12234]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  688.954533][T12234]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  688.954534][T12234]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.954538][T12234]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  688.954540][T12234]  ? netdev_notice (net/core/dev.c:13194)
[  688.954542][T12234]  ? 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)
[  688.954543][T12234]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  688.954546][T12234]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  688.954547][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954548][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954549][T12234]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  688.954551][T12234]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  688.954552][T12234]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  688.954553][T12234]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.954555][T12234]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  688.954557][T12234]  ? register_netdev (net/core/dev.c:11618)
[  688.954558][T12234]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  688.954560][T12234]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  688.954562][T12234]  ? __kernel_text_address (kernel/extable.c:79)
[  688.954564][T12234]  ? write_profile (profile.c:?)
[  688.954567][T12234]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  688.954571][T12234]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.954572][T12234]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  688.954574][T12234]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  688.954575][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954576][T12234]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  688.954580][T12234]  ? kasan_save_stack (mm/kasan/common.c:58)
[  688.954581][T12234]  ? kasan_save_stack (mm/kasan/common.c:57)
[  688.954582][T12234]  ? kasan_save_track (mm/kasan/common.c:78)
[  688.954583][T12234]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  688.954584][T12234]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  688.954586][T12234]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  688.954587][T12234]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  688.954588][T12234]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  688.954591][T12234]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  688.954592][T12234]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  688.954594][T12234]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  688.954596][T12234]  ? ____sys_sendmsg (net/socket.c:2713)
[  688.954597][T12234]  ? ___sys_sendmsg (net/socket.c:2767)
[  688.954599][T12234]  ? __sys_sendmsg (net/socket.c:2799)
[  688.954600][T12234]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  688.954603][T12234]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.954605][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954606][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.954608][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954609][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954610][T12234]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  688.954611][T12234]  ? __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)
[  688.954612][T12234]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  688.954614][T12234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  688.954615][T12234]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  688.954616][T12234]  ? nla_get_range_signed (lib/nlattr.c:270)
[  688.954619][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954621][T12234]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  688.954623][T12234]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  688.954624][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954626][T12234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.954627][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.954628][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954629][T12234]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  688.954632][T12234]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  688.954633][T12234]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  688.954634][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954635][T12234]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  688.954639][T12234]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  688.954641][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954642][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.954644][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954645][T12234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.954646][T12234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  688.954648][T12234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.954649][T12234]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  688.954650][T12234]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  688.954653][T12234]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  688.954654][T12234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.954656][T12234]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  688.954657][T12234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  688.954659][T12234]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  688.954662][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954663][T12234]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  688.954665][T12234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  688.954667][T12234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  688.954669][T12234]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.954670][T12234]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  688.954673][T12234]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  688.954674][T12234]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  688.954676][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.954677][T12234]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  688.954680][T12234]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  688.954682][T12234]  ____sys_sendmsg (net/socket.c:2713)
[  688.954684][T12234]  ? copy_msghdr_from_user (net/socket.c:2650)
[  688.954685][T12234]  ? sock_write_iter (net/socket.c:1269)
[  688.954687][T12234]  ? move_addr_to_kernel (net/socket.c:258)
[  688.954688][T12234]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  688.954691][T12234]  ___sys_sendmsg (net/socket.c:2767)
[  688.954693][T12234]  ? copy_msghdr_from_user (net/socket.c:2619)
[  688.954697][T12234]  __sys_sendmsg (net/socket.c:2799)
[  688.954699][T12234]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  688.954702][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.954703][T12234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  688.954705][T12234]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  688.954707][T12234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.954708][T12234] RIP: 0033:0x7fca1fa7654e
[  688.954710][T12234] 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
[  688.954712][T12234] RSP: 002b:00007ffc840afa20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  688.954715][T12234] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fca1fa7654e
[  688.954717][T12234] RDX: 0000000000000000 RSI: 00007ffc840afad0 RDI: 0000000000000005
[  688.954718][T12234] RBP: 00007ffc840afa30 R08: 0000000000000000 R09: 0000000000000000
[  688.954718][T12234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee98
[  688.954719][T12234] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc840b01a0
| [  696.232322][T12377] softirqs last disabled at (0): 0x0
| [  696.232323][T12377] Preemption disabled at:
| [  696.232324][T12377] vprintk_emit (kernel/printk/printk.c:2471)
| [  696.232334][T12377] Tainted: [W]=WARN
[  696.232335][T12377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  696.232336][T12377] Call Trace:
[  696.232338][T12377]  <TASK>
[  696.232339][T12377]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  696.232344][T12377]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  696.232345][T12377]  __might_resched.cold (kernel/sched/core.c:9234)
[  696.232349][T12377]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  696.232353][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232355][T12377]  __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))
[  696.232358][T12377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.232361][T12377]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.232366][T12377]  ? 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)
[  696.232368][T12377]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.232370][T12377]  put_chars (drivers/char/virtio_console.c:1176)
[  696.232372][T12377]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  696.232373][T12377]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  696.232375][T12377]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  696.232377][T12377]  ? pointer (lib/vsprintf.c:2577)
[  696.232381][T12377]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  696.232385][T12377]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  696.232387][T12377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.232391][T12377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232395][T12377]  console_emit_next_record (kernel/printk/printk.c:3183)
[  696.232398][T12377]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  696.232400][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232401][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232402][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232403][T12377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232404][T12377]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  696.232406][T12377]  console_flush_one_record (kernel/printk/printk.c:3268)
[  696.232409][T12377]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  696.232411][T12377]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  696.232413][T12377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232415][T12377]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  696.232417][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232418][T12377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.232419][T12377]  ? 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)
[  696.232421][T12377]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  696.232422][T12377]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  696.232424][T12377]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  696.232425][T12377]  vprintk_emit (kernel/printk/printk.c:2479)
[  696.232427][T12377]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  696.232428][T12377]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  696.232431][T12377]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  696.232434][T12377]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  696.232436][T12377]  _printk (kernel/printk/printk.c:2504)
[  696.232439][T12377]  ? snapshot_read.cold (user.c:?)
[  696.232441][T12377]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  696.232443][T12377]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  696.232447][T12377]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  696.232448][T12377]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  696.232452][T12377]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  696.232454][T12377]  ? netdev_notice (net/core/dev.c:13194)
[  696.232456][T12377]  ? 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)
[  696.232458][T12377]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  696.232460][T12377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.232462][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232463][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232464][T12377]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  696.232465][T12377]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  696.232467][T12377]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  696.232468][T12377]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  696.232469][T12377]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  696.232471][T12377]  ? register_netdev (net/core/dev.c:11618)
[  696.232472][T12377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.232474][T12377]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  696.232477][T12377]  ? __kernel_text_address (kernel/extable.c:79)
[  696.232479][T12377]  ? write_profile (profile.c:?)
[  696.232482][T12377]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  696.232486][T12377]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  696.232487][T12377]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  696.232489][T12377]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  696.232490][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232491][T12377]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  696.232494][T12377]  ? kasan_save_stack (mm/kasan/common.c:58)
[  696.232496][T12377]  ? kasan_save_stack (mm/kasan/common.c:57)
[  696.232497][T12377]  ? kasan_save_track (mm/kasan/common.c:78)
[  696.232498][T12377]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  696.232500][T12377]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  696.232501][T12377]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  696.232502][T12377]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  696.232503][T12377]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  696.232506][T12377]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  696.232508][T12377]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  696.232509][T12377]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  696.232511][T12377]  ? ____sys_sendmsg (net/socket.c:2713)
[  696.232513][T12377]  ? ___sys_sendmsg (net/socket.c:2767)
[  696.232514][T12377]  ? __sys_sendmsg (net/socket.c:2799)
[  696.232516][T12377]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  696.232518][T12377]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  696.232521][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232522][T12377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232523][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232524][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232525][T12377]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  696.232527][T12377]  ? __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)
[  696.232528][T12377]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  696.232529][T12377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  696.232530][T12377]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  696.232531][T12377]  ? nla_get_range_signed (lib/nlattr.c:270)
[  696.232535][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232536][T12377]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  696.232538][T12377]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  696.232540][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232541][T12377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.232542][T12377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232543][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232545][T12377]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  696.232547][T12377]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  696.232548][T12377]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  696.232550][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232551][T12377]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  696.232554][T12377]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  696.232557][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232558][T12377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232559][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232560][T12377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.232561][T12377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  696.232563][T12377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  696.232564][T12377]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  696.232566][T12377]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  696.232568][T12377]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  696.232570][T12377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  696.232571][T12377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.232573][T12377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  696.232574][T12377]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  696.232577][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232578][T12377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.232580][T12377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  696.232582][T12377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  696.232584][T12377]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  696.232586][T12377]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  696.232588][T12377]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  696.232590][T12377]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  696.232591][T12377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232593][T12377]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  696.232596][T12377]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  696.232598][T12377]  ____sys_sendmsg (net/socket.c:2713)
[  696.232599][T12377]  ? copy_msghdr_from_user (net/socket.c:2650)
[  696.232601][T12377]  ? sock_write_iter (net/socket.c:1269)
[  696.232602][T12377]  ? move_addr_to_kernel (net/socket.c:258)
[  696.232604][T12377]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  696.232606][T12377]  ___sys_sendmsg (net/socket.c:2767)
[  696.232608][T12377]  ? copy_msghdr_from_user (net/socket.c:2619)
[  696.232613][T12377]  __sys_sendmsg (net/socket.c:2799)
[  696.232615][T12377]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  696.232617][T12377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232619][T12377]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  696.232621][T12377]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  696.232622][T12377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  696.232624][T12377] RIP: 0033:0x7f32f592254e
[  696.232625][T12377] 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
[  696.232627][T12377] RSP: 002b:00007ffd843f1000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  696.232631][T12377] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f32f592254e
[  696.232632][T12377] RDX: 0000000000000000 RSI: 00007ffd843f10b0 RDI: 0000000000000005
[  696.232633][T12377] RBP: 00007ffd843f1010 R08: 0000000000000000 R09: 0000000000000000
[  696.232634][T12377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee9f


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars