======================================
| [   10.703628][  T227] softirqs last disabled at (27932): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.703631][  T227] Preemption disabled at:
| [   10.703631][  T227] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.703642][  T227] Tainted: [W]=WARN
[   10.703643][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.703645][  T227] Call Trace:
[   10.703647][  T227]  <TASK>
[   10.703648][  T227]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.703654][  T227]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.703656][  T227]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.703660][  T227]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.703665][  T227]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.703669][  T227]  __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))
[   10.703671][  T227]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.703678][  T227]  ? 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)
[   10.703680][  T227]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.703684][  T227]  put_chars (drivers/char/virtio_console.c:1176)
[   10.703687][  T227]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.703693][  T227]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.703700][  T227]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.703703][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.703708][  T227]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.703711][  T227]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.703713][  T227]  ? 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))
[   10.703716][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.703719][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.703723][  T227]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.703727][  T227]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.703729][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.703734][  T227]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.703737][  T227]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.703739][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.703741][  T227]  ? 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)
[   10.703744][  T227]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.703746][  T227]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.703749][  T227]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.703752][  T227]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.703754][  T227]  ? save_trace (kernel/locking/lockdep.c:589)
[   10.703758][  T227]  _printk (kernel/printk/printk.c:2504)
[   10.703761][  T227]  ? snapshot_read.cold (user.c:?)
[   10.703765][  T227]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.703767][  T227]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.703780][  T227]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.703783][  T227]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.703785][  T227]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.703788][  T227]  ? netdev_notice (net/core/dev.c:13194)
[   10.703791][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.703796][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.703800][  T227]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.703805][  T227]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.703808][  T227]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.703810][  T227]  ? register_netdev (net/core/dev.c:11618)
[   10.703811][  T227]  ? 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))
[   10.703816][  T227]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.703819][  T227]  ? __kernel_text_address (kernel/extable.c:79)
[   10.703822][  T227]  ? write_profile (profile.c:?)
[   10.703826][  T227]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.703832][  T227]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.703835][  T227]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.703837][  T227]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.703838][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.703841][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.703845][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.703847][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.703849][  T227]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.703851][  T227]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.703853][  T227]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.703855][  T227]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.703856][  T227]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.703858][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.703860][  T227]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   10.703863][  T227]  ? ___sys_sendmsg (net/socket.c:2758)
[   10.703867][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.703869][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.703872][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.703874][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.703875][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.703876][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.703878][  T227]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.703880][  T227]  ? __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)
[   10.703883][  T227]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.703885][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.703889][  T227]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.703890][  T227]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.703895][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.703897][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.703902][  T227]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.703907][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.703909][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.703914][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.703916][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.703918][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.703922][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.703925][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.703927][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.703930][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.703932][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.703940][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.703942][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.703946][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.703949][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.703952][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.703958][  T227]  ? 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))
[   10.703960][  T227]  ? 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))
[   10.703965][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.703969][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.703971][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.703975][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.703979][  T227]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.703983][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.703985][  T227]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   10.703990][  T227]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.703993][  T227]  ____sys_sendmsg (net/socket.c:2713)
[   10.703995][  T227]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.703997][  T227]  ? sock_write_iter (net/socket.c:1269)
[   10.703999][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   10.704006][  T227]  ___sys_sendmsg (net/socket.c:2767)
[   10.704009][  T227]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.704024][  T227]  __sys_sendmsg (net/socket.c:2799)
[   10.704027][  T227]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.704034][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.704037][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.704040][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.704042][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.704045][  T227] RIP: 0033:0x7f1552d8f54e
[   10.704049][  T227] 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
[   10.704051][  T227] RSP: 002b:00007ffd09ba07e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.704054][  T227] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1552d8f54e
[   10.704055][  T227] RDX: 0000000000000000 RSI: 00007ffd09ba0890 RDI: 0000000000000005
[   10.704056][  T227] RBP: 00007ffd09ba07f0 R08: 0000000000000000 R09: 0000000000000000
[   10.704057][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ec8
[   10.704058][  T227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd09ba0f60
| [   16.176638][  T342] softirqs last disabled at (20828): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.176640][  T342] Preemption disabled at:
| [   16.176641][  T342] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.176649][  T342] Tainted: [W]=WARN
[   16.176650][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.176652][  T342] Call Trace:
[   16.176654][  T342]  <TASK>
[   16.176655][  T342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.176661][  T342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.176663][  T342]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.176667][  T342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.176672][  T342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.176676][  T342]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.176678][  T342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.176685][  T342]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.176688][  T342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.176691][  T342]  put_chars (drivers/char/virtio_console.c:1176)
[   16.176693][  T342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.176700][  T342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.176707][  T342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.176710][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.176715][  T342]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.176719][  T342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.176721][  T342]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.176724][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.176726][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.176730][  T342]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.176734][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.176736][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.176741][  T342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.176744][  T342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.176746][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.176748][  T342]  ? 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)
[   16.176752][  T342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.176753][  T342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.176756][  T342]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.176759][  T342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.176762][  T342]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   16.176767][  T342]  _printk (kernel/printk/printk.c:2504)
[   16.176770][  T342]  ? snapshot_read.cold (user.c:?)
[   16.176772][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.176775][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.176777][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.176779][  T342]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.176787][  T342]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.176790][  T342]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.176792][  T342]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.176795][  T342]  ? netdev_notice (net/core/dev.c:13194)
[   16.176797][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.176801][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.176803][  T342]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.176806][  T342]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.176808][  T342]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.176811][  T342]  ? register_netdev (net/core/dev.c:11618)
[   16.176812][  T342]  ? 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))
[   16.176818][  T342]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.176820][  T342]  ? __kernel_text_address (kernel/extable.c:79)
[   16.176823][  T342]  ? write_profile (profile.c:?)
[   16.176827][  T342]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.176833][  T342]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.176836][  T342]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.176838][  T342]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.176839][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.176841][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.176844][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.176846][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.176848][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.176850][  T342]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.176852][  T342]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.176853][  T342]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.176855][  T342]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.176857][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.176859][  T342]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.176862][  T342]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.176866][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.176868][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.176870][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.176872][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.176873][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.176874][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.176876][  T342]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.176878][  T342]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.176879][  T342]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.176881][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.176885][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.176886][  T342]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.176891][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.176893][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.176898][  T342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.176903][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.176905][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.176910][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.176911][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.176913][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.176915][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.176921][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.176923][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.176927][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.176928][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.176932][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.176934][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.176938][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.176941][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.176944][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.176950][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.176952][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.176957][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.176960][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.176963][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.176967][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.176971][  T342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.176975][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.176976][  T342]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.176982][  T342]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.176985][  T342]  ____sys_sendmsg (net/socket.c:2713)
[   16.176987][  T342]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.176989][  T342]  ? sock_write_iter (net/socket.c:1269)
[   16.176991][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   16.176998][  T342]  ___sys_sendmsg (net/socket.c:2767)
[   16.177001][  T342]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.177016][  T342]  __sys_sendmsg (net/socket.c:2799)
[   16.177019][  T342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.177025][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.177028][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.177031][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.177034][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.177037][  T342] RIP: 0033:0x7f7605a1e54e
[   16.177041][  T342] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.177043][  T342] RSP: 002b:00007ffd7f753240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.177046][  T342] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7605a1e54e
[   16.177047][  T342] RDX: 0000000000000000 RSI: 00007ffd7f7532f0 RDI: 0000000000000005
[   16.177048][  T342] RBP: 00007ffd7f753250 R08: 0000000000000000 R09: 0000000000000000
[   16.177049][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ecd
[   16.177050][  T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7f7539c0
| [   21.555573][  T455] softirqs last disabled at (23072): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.555576][  T455] Preemption disabled at:
| [   21.555576][  T455] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.555585][  T455] Tainted: [W]=WARN
[   21.555586][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.555587][  T455] Call Trace:
[   21.555589][  T455]  <TASK>
[   21.555591][  T455]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.555597][  T455]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.555599][  T455]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.555603][  T455]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.555607][  T455]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.555612][  T455]  __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))
[   21.555614][  T455]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.555620][  T455]  ? 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)
[   21.555623][  T455]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.555627][  T455]  put_chars (drivers/char/virtio_console.c:1176)
[   21.555629][  T455]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.555635][  T455]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.555643][  T455]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.555646][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.555651][  T455]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.555655][  T455]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.555656][  T455]  ? 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))
[   21.555660][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.555662][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.555666][  T455]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.555671][  T455]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.555672][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.555678][  T455]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.555681][  T455]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.555682][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.555684][  T455]  ? 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)
[   21.555688][  T455]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.555689][  T455]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.555692][  T455]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.555696][  T455]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.555698][  T455]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   21.555703][  T455]  _printk (kernel/printk/printk.c:2504)
[   21.555707][  T455]  ? snapshot_read.cold (user.c:?)
[   21.555709][  T455]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.555712][  T455]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.555715][  T455]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.555717][  T455]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.555720][  T455]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.555723][  T455]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.555725][  T455]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.555728][  T455]  ? netdev_notice (net/core/dev.c:13194)
[   21.555731][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.555734][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.555736][  T455]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.555740][  T455]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.555742][  T455]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.555744][  T455]  ? register_netdev (net/core/dev.c:11618)
[   21.555746][  T455]  ? 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))
[   21.555751][  T455]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.555753][  T455]  ? __kernel_text_address (kernel/extable.c:79)
[   21.555756][  T455]  ? write_profile (profile.c:?)
[   21.555760][  T455]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.555765][  T455]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.555769][  T455]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.555771][  T455]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.555772][  T455]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.555774][  T455]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.555777][  T455]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.555779][  T455]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.555781][  T455]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.555784][  T455]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.555786][  T455]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.555787][  T455]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.555788][  T455]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.555790][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.555792][  T455]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   21.555799][  T455]  ? ___sys_sendmsg (net/socket.c:2758)
[   21.555803][  T455]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.555805][  T455]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.555807][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.555809][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.555810][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.555812][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.555813][  T455]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.555815][  T455]  ? __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)
[   21.555817][  T455]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.555819][  T455]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.555822][  T455]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.555823][  T455]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.555828][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.555830][  T455]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.555835][  T455]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.555840][  T455]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.555842][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.555847][  T455]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.555848][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.555850][  T455]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.555852][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.555856][  T455]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.555858][  T455]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.555861][  T455]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.555862][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.555867][  T455]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.555868][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.555872][  T455]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.555875][  T455]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.555878][  T455]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.555884][  T455]  ? 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))
[   21.555886][  T455]  ? 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))
[   21.555890][  T455]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.555894][  T455]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.555897][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.555901][  T455]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.555905][  T455]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.555908][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.555910][  T455]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   21.555915][  T455]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.555921][  T455]  ____sys_sendmsg (net/socket.c:2713)
[   21.555924][  T455]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.555926][  T455]  ? sock_write_iter (net/socket.c:1269)
[   21.555928][  T455]  ? move_addr_to_kernel (net/socket.c:258)
[   21.555935][  T455]  ___sys_sendmsg (net/socket.c:2767)
[   21.555937][  T455]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.555953][  T455]  __sys_sendmsg (net/socket.c:2799)
[   21.555956][  T455]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.555962][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.555965][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.555968][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.555971][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.555973][  T455] RIP: 0033:0x7f221f17054e
[   21.555978][  T455] 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
[   21.555979][  T455] RSP: 002b:00007ffc6a0b2dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.555982][  T455] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f221f17054e
[   21.555984][  T455] RDX: 0000000000000000 RSI: 00007ffc6a0b2e70 RDI: 0000000000000005
[   21.555985][  T455] RBP: 00007ffc6a0b2dd0 R08: 0000000000000000 R09: 0000000000000000
[   21.555985][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ed2
[   21.555986][  T455] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6a0b3540
| [   26.583882][  T570] softirqs last disabled at (35862): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.583885][  T570] Preemption disabled at:
| [   26.583886][  T570] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.583898][  T570] Tainted: [W]=WARN
[   26.583899][  T570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.583902][  T570] Call Trace:
[   26.583905][  T570]  <TASK>
[   26.583907][  T570]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.583915][  T570]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.583921][  T570]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.583927][  T570]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.583933][  T570]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.583940][  T570]  __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))
[   26.583943][  T570]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.583953][  T570]  ? 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)
[   26.583956][  T570]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.583962][  T570]  put_chars (drivers/char/virtio_console.c:1176)
[   26.583966][  T570]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.583977][  T570]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.583989][  T570]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.583994][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.584002][  T570]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.584008][  T570]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.584011][  T570]  ? 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))
[   26.584016][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.584020][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.584026][  T570]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.584033][  T570]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.584036][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.584045][  T570]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.584050][  T570]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.584052][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.584055][  T570]  ? 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)
[   26.584062][  T570]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.584064][  T570]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.584069][  T570]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.584074][  T570]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.584079][  T570]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   26.584087][  T570]  _printk (kernel/printk/printk.c:2504)
[   26.584092][  T570]  ? snapshot_read.cold (user.c:?)
[   26.584094][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.584099][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.584103][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.584106][  T570]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.584111][  T570]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.584116][  T570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.584120][  T570]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.584124][  T570]  ? netdev_notice (net/core/dev.c:13194)
[   26.584128][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.584133][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.584137][  T570]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.584143][  T570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.584147][  T570]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.584150][  T570]  ? register_netdev (net/core/dev.c:11618)
[   26.584153][  T570]  ? 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))
[   26.584161][  T570]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.584165][  T570]  ? __kernel_text_address (kernel/extable.c:79)
[   26.584168][  T570]  ? write_profile (profile.c:?)
[   26.584174][  T570]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.584183][  T570]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.584189][  T570]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.584193][  T570]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.584195][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.584198][  T570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.584202][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.584206][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.584209][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.584212][  T570]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.584215][  T570]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.584217][  T570]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.584219][  T570]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.584223][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.584226][  T570]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   26.584230][  T570]  ? ___sys_sendmsg (net/socket.c:2758)
[   26.584236][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.584239][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.584244][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.584246][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.584249][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.584251][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.584253][  T570]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.584257][  T570]  ? __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)
[   26.584259][  T570]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.584262][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.584268][  T570]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.584270][  T570]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.584277][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.584281][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.584290][  T570]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.584299][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.584302][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.584310][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.584313][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.584316][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.584319][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.584325][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.584329][  T570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.584334][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.584336][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.584344][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.584347][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.584353][  T570]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.584357][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.584362][  T570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.584373][  T570]  ? 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))
[   26.584376][  T570]  ? 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))
[   26.584384][  T570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.584391][  T570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.584395][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.584403][  T570]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.584409][  T570]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.584416][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.584418][  T570]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.584426][  T570]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.584431][  T570]  ____sys_sendmsg (net/socket.c:2713)
[   26.584435][  T570]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.584439][  T570]  ? sock_write_iter (net/socket.c:1269)
[   26.584441][  T570]  ? move_addr_to_kernel (net/socket.c:258)
[   26.584454][  T570]  ___sys_sendmsg (net/socket.c:2767)
[   26.584459][  T570]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.584489][  T570]  __sys_sendmsg (net/socket.c:2799)
[   26.584493][  T570]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.584504][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.584510][  T570]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.584514][  T570]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.584518][  T570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.584522][  T570] RIP: 0033:0x7f77acd8054e
[   26.584529][  T570] 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
[   26.584531][  T570] RSP: 002b:00007ffc6909b920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.584535][  T570] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f77acd8054e
[   26.584537][  T570] RDX: 0000000000000000 RSI: 00007ffc6909b9d0 RDI: 0000000000000005
[   26.584539][  T570] RBP: 00007ffc6909b930 R08: 0000000000000000 R09: 0000000000000000
[   26.584540][  T570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ed7
[   26.584541][  T570] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6909c0a0
| [   31.240547][  T681] softirqs last disabled at (19252): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.240549][  T681] Preemption disabled at:
| [   31.240550][  T681] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.240559][  T681] Tainted: [W]=WARN
[   31.240560][  T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.240562][  T681] Call Trace:
[   31.240563][  T681]  <TASK>
[   31.240565][  T681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.240571][  T681]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.240572][  T681]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.240577][  T681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.240581][  T681]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.240586][  T681]  __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))
[   31.240588][  T681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.240594][  T681]  ? 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)
[   31.240597][  T681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.240601][  T681]  put_chars (drivers/char/virtio_console.c:1176)
[   31.240604][  T681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.240610][  T681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.240618][  T681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.240621][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.240626][  T681]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.240630][  T681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.240632][  T681]  ? 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))
[   31.240635][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.240638][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.240642][  T681]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.240646][  T681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.240648][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.240654][  T681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.240657][  T681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.240659][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.240660][  T681]  ? 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)
[   31.240664][  T681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.240666][  T681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.240669][  T681]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.240672][  T681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.240675][  T681]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   31.240680][  T681]  _printk (kernel/printk/printk.c:2504)
[   31.240684][  T681]  ? snapshot_read.cold (user.c:?)
[   31.240686][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.240688][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.240692][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.240694][  T681]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.240698][  T681]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.240701][  T681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.240703][  T681]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.240706][  T681]  ? netdev_notice (net/core/dev.c:13194)
[   31.240709][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.240712][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.240715][  T681]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.240719][  T681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.240721][  T681]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.240723][  T681]  ? register_netdev (net/core/dev.c:11618)
[   31.240725][  T681]  ? 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))
[   31.240730][  T681]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.240733][  T681]  ? __kernel_text_address (kernel/extable.c:79)
[   31.240735][  T681]  ? write_profile (profile.c:?)
[   31.240740][  T681]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.240745][  T681]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.240749][  T681]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.240751][  T681]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.240752][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.240754][  T681]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.240758][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.240760][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.240762][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.240764][  T681]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.240766][  T681]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.240767][  T681]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.240769][  T681]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.240771][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.240773][  T681]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   31.240776][  T681]  ? ___sys_sendmsg (net/socket.c:2758)
[   31.240780][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.240782][  T681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.240785][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.240787][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.240789][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.240790][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.240791][  T681]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.240794][  T681]  ? __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)
[   31.240795][  T681]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.240797][  T681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.240801][  T681]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.240802][  T681]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.240807][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.240809][  T681]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.240814][  T681]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.240824][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.240826][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.240831][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.240833][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.240835][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.240837][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.240841][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.240843][  T681]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.240846][  T681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.240847][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.240852][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.240854][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.240857][  T681]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.240861][  T681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.240864][  T681]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.240870][  T681]  ? 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))
[   31.240872][  T681]  ? 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))
[   31.240877][  T681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.240881][  T681]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.240883][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.240888][  T681]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.240892][  T681]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.240896][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.240898][  T681]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   31.240903][  T681]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.240906][  T681]  ____sys_sendmsg (net/socket.c:2713)
[   31.240908][  T681]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.240910][  T681]  ? sock_write_iter (net/socket.c:1269)
[   31.240912][  T681]  ? move_addr_to_kernel (net/socket.c:258)
[   31.240924][  T681]  ___sys_sendmsg (net/socket.c:2767)
[   31.240927][  T681]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.240944][  T681]  __sys_sendmsg (net/socket.c:2799)
[   31.240947][  T681]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.240953][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.240956][  T681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.240959][  T681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.240962][  T681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.240965][  T681] RIP: 0033:0x7f60af31d54e
[   31.240969][  T681] 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
[   31.240971][  T681] RSP: 002b:00007ffd406ef730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.240974][  T681] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f60af31d54e
[   31.240975][  T681] RDX: 0000000000000000 RSI: 00007ffd406ef7e0 RDI: 0000000000000005
[   31.240976][  T681] RBP: 00007ffd406ef740 R08: 0000000000000000 R09: 0000000000000000
[   31.240977][  T681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912edc
[   31.240978][  T681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd406efeb0
| [   37.496411][  T796] softirqs last disabled at (17084): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.496415][  T796] Preemption disabled at:
| [   37.496416][  T796] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.496427][  T796] Tainted: [W]=WARN
[   37.496428][  T796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.496431][  T796] Call Trace:
[   37.496433][  T796]  <TASK>
[   37.496435][  T796]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.496442][  T796]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.496460][  T796]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.496466][  T796]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.496472][  T796]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.496478][  T796]  __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))
[   37.496481][  T796]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.496491][  T796]  ? 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)
[   37.496494][  T796]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.496500][  T796]  put_chars (drivers/char/virtio_console.c:1176)
[   37.496504][  T796]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.496516][  T796]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.496528][  T796]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.496533][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.496540][  T796]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.496547][  T796]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.496549][  T796]  ? 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))
[   37.496555][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.496559][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.496566][  T796]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.496573][  T796]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.496576][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.496585][  T796]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.496589][  T796]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.496592][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.496595][  T796]  ? 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)
[   37.496601][  T796]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.496604][  T796]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.496609][  T796]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.496614][  T796]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.496619][  T796]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   37.496627][  T796]  _printk (kernel/printk/printk.c:2504)
[   37.496632][  T796]  ? snapshot_read.cold (user.c:?)
[   37.496634][  T796]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.496639][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.496643][  T796]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.496646][  T796]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.496651][  T796]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.496656][  T796]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.496660][  T796]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.496664][  T796]  ? netdev_notice (net/core/dev.c:13194)
[   37.496668][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.496673][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.496677][  T796]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.496683][  T796]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.496687][  T796]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.496690][  T796]  ? register_netdev (net/core/dev.c:11618)
[   37.496692][  T796]  ? 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))
[   37.496701][  T796]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.496705][  T796]  ? __kernel_text_address (kernel/extable.c:79)
[   37.496708][  T796]  ? write_profile (profile.c:?)
[   37.496714][  T796]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.496723][  T796]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.496729][  T796]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.496732][  T796]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.496734][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.496737][  T796]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.496742][  T796]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.496745][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.496748][  T796]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.496752][  T796]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.496755][  T796]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.496757][  T796]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.496759][  T796]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.496763][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.496766][  T796]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   37.496770][  T796]  ? ___sys_sendmsg (net/socket.c:2758)
[   37.496776][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.496780][  T796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.496784][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.496787][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.496790][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.496792][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.496795][  T796]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.496798][  T796]  ? __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)
[   37.496800][  T796]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.496804][  T796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.496810][  T796]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.496812][  T796]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.496820][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.496824][  T796]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.496838][  T796]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.496848][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.496852][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.496860][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.496863][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.496866][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.496869][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.496876][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.496879][  T796]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.496885][  T796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.496887][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.496895][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.496898][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.496904][  T796]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.496908][  T796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.496913][  T796]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.496927][  T796]  ? 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))
[   37.496930][  T796]  ? 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))
[   37.496939][  T796]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.496945][  T796]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.496949][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.496957][  T796]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.496964][  T796]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.496970][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.496973][  T796]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.496981][  T796]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.496984][  T796]  ____sys_sendmsg (net/socket.c:2713)
[   37.496986][  T796]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.496989][  T796]  ? sock_write_iter (net/socket.c:1269)
[   37.496991][  T796]  ? move_addr_to_kernel (net/socket.c:258)
[   37.496998][  T796]  ___sys_sendmsg (net/socket.c:2767)
[   37.497001][  T796]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.497017][  T796]  __sys_sendmsg (net/socket.c:2799)
[   37.497020][  T796]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.497026][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.497030][  T796]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.497033][  T796]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.497036][  T796]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.497038][  T796] RIP: 0033:0x7f041f00e54e
[   37.497042][  T796] 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
[   37.497044][  T796] RSP: 002b:00007ffc45dc1f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.497047][  T796] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f041f00e54e
[   37.497049][  T796] RDX: 0000000000000000 RSI: 00007ffc45dc2010 RDI: 0000000000000005
[   37.497049][  T796] RBP: 00007ffc45dc1f70 R08: 0000000000000000 R09: 0000000000000000
[   37.497050][  T796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ee2
[   37.497051][  T796] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc45dc26e0
| [   44.477707][  T920] softirqs last disabled at (18070): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.477710][  T920] Preemption disabled at:
| [   44.477711][  T920] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.477720][  T920] Tainted: [W]=WARN
[   44.477721][  T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.477723][  T920] Call Trace:
[   44.477725][  T920]  <TASK>
[   44.477727][  T920]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.477733][  T920]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.477735][  T920]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.477740][  T920]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.477744][  T920]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.477749][  T920]  __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))
[   44.477751][  T920]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.477758][  T920]  ? 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)
[   44.477762][  T920]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.477766][  T920]  put_chars (drivers/char/virtio_console.c:1176)
[   44.477769][  T920]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.477776][  T920]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.477784][  T920]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.477787][  T920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.477792][  T920]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.477796][  T920]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.477798][  T920]  ? 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))
[   44.477801][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.477804][  T920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.477808][  T920]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.477813][  T920]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.477815][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.477821][  T920]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.477824][  T920]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.477826][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.477827][  T920]  ? 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)
[   44.477831][  T920]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.477833][  T920]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.477836][  T920]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.477839][  T920]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.477842][  T920]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   44.477853][  T920]  _printk (kernel/printk/printk.c:2504)
[   44.477856][  T920]  ? snapshot_read.cold (user.c:?)
[   44.477858][  T920]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.477861][  T920]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.477864][  T920]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.477866][  T920]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.477870][  T920]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.477873][  T920]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.477875][  T920]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.477878][  T920]  ? netdev_notice (net/core/dev.c:13194)
[   44.477881][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.477884][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.477886][  T920]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.477890][  T920]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.477892][  T920]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.477894][  T920]  ? register_netdev (net/core/dev.c:11618)
[   44.477896][  T920]  ? 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))
[   44.477901][  T920]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.477904][  T920]  ? __kernel_text_address (kernel/extable.c:79)
[   44.477906][  T920]  ? write_profile (profile.c:?)
[   44.477910][  T920]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.477916][  T920]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.477923][  T920]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.477926][  T920]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.477927][  T920]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.477929][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.477933][  T920]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.477935][  T920]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.477937][  T920]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.477939][  T920]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.477941][  T920]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.477942][  T920]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.477944][  T920]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.477946][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.477948][  T920]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   44.477951][  T920]  ? ___sys_sendmsg (net/socket.c:2758)
[   44.477955][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.477957][  T920]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.477960][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.477961][  T920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.477963][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.477964][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.477966][  T920]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.477968][  T920]  ? __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)
[   44.477969][  T920]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.477971][  T920]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.477974][  T920]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.477975][  T920]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.477980][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.477982][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.477987][  T920]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.477993][  T920]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.477994][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.477999][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.478001][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.478003][  T920]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.478004][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.478008][  T920]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.478010][  T920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.478013][  T920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.478014][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.478019][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.478021][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.478024][  T920]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.478027][  T920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.478030][  T920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.478036][  T920]  ? 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))
[   44.478038][  T920]  ? 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))
[   44.478043][  T920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.478046][  T920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.478049][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.478053][  T920]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.478057][  T920]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.478061][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.478062][  T920]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   44.478068][  T920]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.478070][  T920]  ____sys_sendmsg (net/socket.c:2713)
[   44.478073][  T920]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.478075][  T920]  ? sock_write_iter (net/socket.c:1269)
[   44.478076][  T920]  ? move_addr_to_kernel (net/socket.c:258)
[   44.478083][  T920]  ___sys_sendmsg (net/socket.c:2767)
[   44.478086][  T920]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.478101][  T920]  __sys_sendmsg (net/socket.c:2799)
[   44.478104][  T920]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.478110][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.478113][  T920]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.478116][  T920]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.478119][  T920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.478121][  T920] RIP: 0033:0x7efef192e54e
[   44.478125][  T920] 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
[   44.478127][  T920] RSP: 002b:00007ffe08752d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.478130][  T920] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efef192e54e
[   44.478131][  T920] RDX: 0000000000000000 RSI: 00007ffe08752dc0 RDI: 0000000000000005
[   44.478132][  T920] RBP: 00007ffe08752d20 R08: 0000000000000000 R09: 0000000000000000
[   44.478133][  T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ee9
[   44.478134][  T920] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe08753490
| [   48.853301][   T12] softirqs last disabled at (724930): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   48.853304][   T12] Preemption disabled at:
| [   48.853304][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.853313][   T12] Tainted: [W]=WARN
[   48.853314][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.853316][   T12] Workqueue: netns cleanup_net
[   48.853319][   T12] Call Trace:
[   48.853321][   T12]  <TASK>
[   48.853323][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.853330][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.853331][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.853336][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.853340][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.853345][   T12]  __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))
[   48.853347][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.853354][   T12]  ? 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)
[   48.853356][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.853361][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   48.853363][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.853367][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   48.853372][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.853376][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.853383][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.853386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.853392][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.853396][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.853398][   T12]  ? 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))
[   48.853402][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.853403][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.853408][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.853412][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.853414][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.853420][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.853423][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.853425][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.853426][   T12]  ? 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)
[   48.853430][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.853432][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.853435][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.853439][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.853440][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   48.853442][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   48.853444][   T12]  ? kthread (kernel/kthread.c:436)
[   48.853446][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   48.853449][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   48.853454][   T12]  _printk (kernel/printk/printk.c:2504)
[   48.853458][   T12]  ? snapshot_read.cold (user.c:?)
[   48.853463][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.853466][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.853470][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.853473][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   48.853478][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.853480][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   48.853482][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   48.853484][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.853487][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   48.853491][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   48.853495][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   48.853499][   T12]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   48.853501][   T12]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   48.853506][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   48.853510][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   48.853514][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   48.853517][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   48.853522][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.853523][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.853527][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.853532][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   48.853535][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.853539][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.853541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.853544][   T12]  process_one_work (kernel/workqueue.c:3387)
[   48.853551][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   48.853555][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.853563][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   48.853570][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   48.853573][   T12]  kthread (kernel/kthread.c:436)
[   48.853574][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.853578][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   48.853581][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.853584][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   48.853587][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.853591][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   48.853594][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.963590][ T1067] softirqs last disabled at (23566): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.963592][ T1067] Preemption disabled at:
| [   50.963593][ T1067] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.963601][ T1067] Tainted: [W]=WARN
[   50.963602][ T1067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.963604][ T1067] Call Trace:
[   50.963605][ T1067]  <TASK>
[   50.963607][ T1067]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.963613][ T1067]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.963614][ T1067]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.963619][ T1067]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.963623][ T1067]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.963628][ T1067]  __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))
[   50.963630][ T1067]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.963636][ T1067]  ? 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)
[   50.963639][ T1067]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.963642][ T1067]  put_chars (drivers/char/virtio_console.c:1176)
[   50.963645][ T1067]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.963651][ T1067]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.963659][ T1067]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.963662][ T1067]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.963667][ T1067]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.963671][ T1067]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.963673][ T1067]  ? 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))
[   50.963676][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.963679][ T1067]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.963683][ T1067]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.963687][ T1067]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.963689][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.963695][ T1067]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.963697][ T1067]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.963699][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.963701][ T1067]  ? 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)
[   50.963705][ T1067]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.963707][ T1067]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.963709][ T1067]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.963713][ T1067]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.963715][ T1067]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   50.963720][ T1067]  _printk (kernel/printk/printk.c:2504)
[   50.963724][ T1067]  ? snapshot_read.cold (user.c:?)
[   50.963725][ T1067]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.963728][ T1067]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.963731][ T1067]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.963733][ T1067]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.963737][ T1067]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.963740][ T1067]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.963742][ T1067]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.963745][ T1067]  ? netdev_notice (net/core/dev.c:13194)
[   50.963748][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.963751][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.963753][ T1067]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.963757][ T1067]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.963759][ T1067]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.963761][ T1067]  ? register_netdev (net/core/dev.c:11618)
[   50.963763][ T1067]  ? 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))
[   50.963768][ T1067]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.963770][ T1067]  ? __kernel_text_address (kernel/extable.c:79)
[   50.963773][ T1067]  ? write_profile (profile.c:?)
[   50.963777][ T1067]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.963783][ T1067]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.963786][ T1067]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.963789][ T1067]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.963790][ T1067]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.963792][ T1067]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.963795][ T1067]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.963797][ T1067]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.963799][ T1067]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.963801][ T1067]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.963803][ T1067]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.963804][ T1067]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.963805][ T1067]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.963808][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.963810][ T1067]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   50.963813][ T1067]  ? ___sys_sendmsg (net/socket.c:2758)
[   50.963817][ T1067]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.963819][ T1067]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.963821][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.963823][ T1067]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.963825][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.963826][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.963827][ T1067]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.963830][ T1067]  ? __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)
[   50.963831][ T1067]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.963833][ T1067]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.963836][ T1067]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.963837][ T1067]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.963842][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.963845][ T1067]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.963850][ T1067]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.963856][ T1067]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.963857][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.963866][ T1067]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.963868][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.963870][ T1067]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.963872][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.963876][ T1067]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.963878][ T1067]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.963881][ T1067]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.963883][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.963887][ T1067]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.963889][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.963892][ T1067]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.963896][ T1067]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.963899][ T1067]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.963905][ T1067]  ? 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))
[   50.963907][ T1067]  ? 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))
[   50.963912][ T1067]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.963916][ T1067]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.963918][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.963925][ T1067]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.963929][ T1067]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.963933][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.963935][ T1067]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   50.963940][ T1067]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.963943][ T1067]  ____sys_sendmsg (net/socket.c:2713)
[   50.963945][ T1067]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.963947][ T1067]  ? sock_write_iter (net/socket.c:1269)
[   50.963949][ T1067]  ? move_addr_to_kernel (net/socket.c:258)
[   50.963957][ T1067]  ___sys_sendmsg (net/socket.c:2767)
[   50.963959][ T1067]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.963975][ T1067]  __sys_sendmsg (net/socket.c:2799)
[   50.963978][ T1067]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.963984][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.963987][ T1067]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.963990][ T1067]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.963993][ T1067]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.963995][ T1067] RIP: 0033:0x7f32e793554e
[   50.964000][ T1067] 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
[   50.964001][ T1067] RSP: 002b:00007fffc1633800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.964004][ T1067] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f32e793554e
[   50.964006][ T1067] RDX: 0000000000000000 RSI: 00007fffc16338b0 RDI: 0000000000000005
[   50.964007][ T1067] RBP: 00007fffc1633810 R08: 0000000000000000 R09: 0000000000000000
[   50.964008][ T1067] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ef0
[   50.964008][ T1067] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc1633f80
| [   54.449953][   T12] softirqs last disabled at (909918): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   54.449955][   T12] Preemption disabled at:
| [   54.449956][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.449965][   T12] Tainted: [W]=WARN
[   54.449966][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.449968][   T12] Workqueue: netns cleanup_net
[   54.449971][   T12] Call Trace:
[   54.449972][   T12]  <TASK>
[   54.449975][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.449981][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.449982][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.449987][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.449991][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.449995][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.449997][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.450004][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.450007][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.450011][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   54.450014][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.450015][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.450019][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.450021][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.450026][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.450030][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.450036][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.450039][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.450043][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.450047][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.450049][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   54.450053][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.450054][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.450059][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.450063][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.450065][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.450070][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.450073][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.450075][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.450077][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   54.450081][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.450082][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.450085][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.450088][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.450090][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   54.450092][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   54.450093][   T12]  ? kthread (kernel/kthread.c:436)
[   54.450096][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   54.450099][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   54.450103][   T12]  _printk (kernel/printk/printk.c:2504)
[   54.450107][   T12]  ? snapshot_read.cold (user.c:?)
[   54.450112][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.450115][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.450119][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.450122][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   54.450127][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.450129][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   54.450131][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   54.450133][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.450136][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   54.450140][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   54.450143][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   54.450147][   T12]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   54.450148][   T12]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   54.450154][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   54.450157][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   54.450161][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   54.450165][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   54.450169][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.450170][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.450173][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.450178][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   54.450181][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.450185][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.450187][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.450190][   T12]  process_one_work (kernel/workqueue.c:3387)
[   54.450197][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   54.450200][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.450208][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   54.450215][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   54.450217][   T12]  kthread (kernel/kthread.c:436)
[   54.450219][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.450222][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   54.450225][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.450228][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   54.450231][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.450235][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   54.450238][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.218842][ T1199] softirqs last disabled at (32872): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   56.218845][ T1199] Preemption disabled at:
| [   56.218846][ T1199] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.218854][ T1199] Tainted: [W]=WARN
[   56.218855][ T1199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.218857][ T1199] Call Trace:
[   56.218859][ T1199]  <TASK>
[   56.218861][ T1199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.218867][ T1199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.218869][ T1199]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.218878][ T1199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.218883][ T1199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.218887][ T1199]  __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))
[   56.218889][ T1199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.218896][ T1199]  ? 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)
[   56.218899][ T1199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.218903][ T1199]  put_chars (drivers/char/virtio_console.c:1176)
[   56.218905][ T1199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.218912][ T1199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.218924][ T1199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.218928][ T1199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.218933][ T1199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.218937][ T1199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.218939][ T1199]  ? 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))
[   56.218942][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.218945][ T1199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.218949][ T1199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.218954][ T1199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.218955][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.218961][ T1199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.218964][ T1199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.218966][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.218968][ T1199]  ? 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)
[   56.218972][ T1199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.218973][ T1199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.218976][ T1199]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.218979][ T1199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.218982][ T1199]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.218987][ T1199]  _printk (kernel/printk/printk.c:2504)
[   56.218991][ T1199]  ? snapshot_read.cold (user.c:?)
[   56.218993][ T1199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.218996][ T1199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.218999][ T1199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.219001][ T1199]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.219005][ T1199]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.219008][ T1199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.219010][ T1199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.219013][ T1199]  ? netdev_notice (net/core/dev.c:13194)
[   56.219016][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.219019][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.219022][ T1199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.219025][ T1199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.219028][ T1199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.219030][ T1199]  ? register_netdev (net/core/dev.c:11618)
[   56.219031][ T1199]  ? 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))
[   56.219037][ T1199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.219040][ T1199]  ? __kernel_text_address (kernel/extable.c:79)
[   56.219042][ T1199]  ? write_profile (profile.c:?)
[   56.219046][ T1199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.219052][ T1199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.219056][ T1199]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.219058][ T1199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.219059][ T1199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.219061][ T1199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.219065][ T1199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.219067][ T1199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.219069][ T1199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.219071][ T1199]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.219073][ T1199]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.219075][ T1199]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.219076][ T1199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.219079][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.219081][ T1199]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   56.219084][ T1199]  ? ___sys_sendmsg (net/socket.c:2758)
[   56.219088][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.219090][ T1199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.219093][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.219095][ T1199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.219096][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.219098][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.219100][ T1199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.219102][ T1199]  ? __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)
[   56.219103][ T1199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.219105][ T1199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.219109][ T1199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.219110][ T1199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.219115][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.219117][ T1199]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.219123][ T1199]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.219129][ T1199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.219131][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.219136][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.219138][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.219140][ T1199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.219142][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.219146][ T1199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.219149][ T1199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.219152][ T1199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.219154][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.219159][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.219161][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.219164][ T1199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.219168][ T1199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.219171][ T1199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.219177][ T1199]  ? 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))
[   56.219179][ T1199]  ? 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))
[   56.219184][ T1199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.219188][ T1199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.219190][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.219195][ T1199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.219199][ T1199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.219203][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.219204][ T1199]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   56.219210][ T1199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.219213][ T1199]  ____sys_sendmsg (net/socket.c:2713)
[   56.219215][ T1199]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.219218][ T1199]  ? sock_write_iter (net/socket.c:1269)
[   56.219219][ T1199]  ? move_addr_to_kernel (net/socket.c:258)
[   56.219227][ T1199]  ___sys_sendmsg (net/socket.c:2767)
[   56.219230][ T1199]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.219247][ T1199]  __sys_sendmsg (net/socket.c:2799)
[   56.219250][ T1199]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.219257][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.219260][ T1199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.219263][ T1199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.219266][ T1199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.219269][ T1199] RIP: 0033:0x7f65e317054e
[   56.219273][ T1199] 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
[   56.219275][ T1199] RSP: 002b:00007ffeba0a5ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.219278][ T1199] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65e317054e
[   56.219280][ T1199] RDX: 0000000000000000 RSI: 00007ffeba0a60a0 RDI: 0000000000000005
[   56.219280][ T1199] RBP: 00007ffeba0a6000 R08: 0000000000000000 R09: 0000000000000000
[   56.219281][ T1199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ef5
[   56.219282][ T1199] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeba0a6770
| [   61.736561][ T1319] softirqs last disabled at (16588): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   61.736564][ T1319] Preemption disabled at:
| [   61.736564][ T1319] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.736573][ T1319] Tainted: [W]=WARN
[   61.736574][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.736576][ T1319] Call Trace:
[   61.736577][ T1319]  <TASK>
[   61.736579][ T1319]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.736585][ T1319]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.736587][ T1319]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.736591][ T1319]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.736595][ T1319]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.736600][ T1319]  __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))
[   61.736601][ T1319]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.736608][ T1319]  ? 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)
[   61.736611][ T1319]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.736615][ T1319]  put_chars (drivers/char/virtio_console.c:1176)
[   61.736617][ T1319]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.736623][ T1319]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.736631][ T1319]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.736634][ T1319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.736639][ T1319]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.736643][ T1319]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.736645][ T1319]  ? 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))
[   61.736648][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.736651][ T1319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.736655][ T1319]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.736659][ T1319]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.736661][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.736666][ T1319]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.736669][ T1319]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.736670][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.736672][ T1319]  ? 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)
[   61.736676][ T1319]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.736677][ T1319]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.736680][ T1319]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.736683][ T1319]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.736686][ T1319]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   61.736691][ T1319]  _printk (kernel/printk/printk.c:2504)
[   61.736695][ T1319]  ? snapshot_read.cold (user.c:?)
[   61.736696][ T1319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.736699][ T1319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.736702][ T1319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.736704][ T1319]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.736708][ T1319]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.736710][ T1319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.736713][ T1319]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.736716][ T1319]  ? netdev_notice (net/core/dev.c:13194)
[   61.736718][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.736721][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.736724][ T1319]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.736727][ T1319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.736729][ T1319]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   61.736731][ T1319]  ? register_netdev (net/core/dev.c:11618)
[   61.736733][ T1319]  ? 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))
[   61.736738][ T1319]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   61.736740][ T1319]  ? __kernel_text_address (kernel/extable.c:79)
[   61.736743][ T1319]  ? write_profile (profile.c:?)
[   61.736747][ T1319]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.736752][ T1319]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.736756][ T1319]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.736758][ T1319]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.736759][ T1319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.736761][ T1319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.736764][ T1319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.736766][ T1319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.736768][ T1319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.736770][ T1319]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.736772][ T1319]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.736774][ T1319]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.736775][ T1319]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.736777][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.736779][ T1319]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   61.736782][ T1319]  ? ___sys_sendmsg (net/socket.c:2758)
[   61.736786][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.736788][ T1319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.736790][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.736792][ T1319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.736794][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.736795][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.736796][ T1319]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.736799][ T1319]  ? __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)
[   61.736800][ T1319]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.736802][ T1319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.736805][ T1319]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.736806][ T1319]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.736811][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.736813][ T1319]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.736818][ T1319]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.736823][ T1319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.736825][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.736830][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.736831][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.736833][ T1319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.736835][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.736839][ T1319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.736841][ T1319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.736844][ T1319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.736845][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.736850][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.736851][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.736855][ T1319]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.736858][ T1319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.736861][ T1319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.736867][ T1319]  ? 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))
[   61.736869][ T1319]  ? 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))
[   61.736873][ T1319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.736877][ T1319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.736880][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.736889][ T1319]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.736893][ T1319]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.736897][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.736898][ T1319]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.736904][ T1319]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.736907][ T1319]  ____sys_sendmsg (net/socket.c:2713)
[   61.736909][ T1319]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.736911][ T1319]  ? sock_write_iter (net/socket.c:1269)
[   61.736913][ T1319]  ? move_addr_to_kernel (net/socket.c:258)
[   61.736923][ T1319]  ___sys_sendmsg (net/socket.c:2767)
[   61.736926][ T1319]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.736941][ T1319]  __sys_sendmsg (net/socket.c:2799)
[   61.736944][ T1319]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.736950][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.736953][ T1319]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.736956][ T1319]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.736959][ T1319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.736961][ T1319] RIP: 0033:0x7fdb51e0854e
[   61.736965][ T1319] 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
[   61.736967][ T1319] RSP: 002b:00007ffd8a4f9a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.736970][ T1319] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdb51e0854e
[   61.736971][ T1319] RDX: 0000000000000000 RSI: 00007ffd8a4f9ae0 RDI: 0000000000000005
[   61.736972][ T1319] RBP: 00007ffd8a4f9a40 R08: 0000000000000000 R09: 0000000000000000
[   61.736973][ T1319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912efb
[   61.736974][ T1319] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8a4fa1b0
| [   67.098583][ T1438] softirqs last disabled at (17790): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   67.098586][ T1438] Preemption disabled at:
| [   67.098586][ T1438] vprintk_emit (kernel/printk/printk.c:2471)
| [   67.098595][ T1438] Tainted: [W]=WARN
[   67.098596][ T1438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.098598][ T1438] Call Trace:
[   67.098600][ T1438]  <TASK>
[   67.098601][ T1438]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.098607][ T1438]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   67.098609][ T1438]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.098615][ T1438]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.098621][ T1438]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   67.098626][ T1438]  __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))
[   67.098628][ T1438]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.098635][ T1438]  ? 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)
[   67.098637][ T1438]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.098641][ T1438]  put_chars (drivers/char/virtio_console.c:1176)
[   67.098644][ T1438]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.098650][ T1438]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.098658][ T1438]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.098661][ T1438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.098666][ T1438]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.098670][ T1438]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.098672][ T1438]  ? 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))
[   67.098675][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.098678][ T1438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.098682][ T1438]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.098686][ T1438]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.098688][ T1438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.098694][ T1438]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.098697][ T1438]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.098699][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.098700][ T1438]  ? 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)
[   67.098704][ T1438]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.098706][ T1438]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.098709][ T1438]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.098712][ T1438]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.098715][ T1438]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   67.098720][ T1438]  _printk (kernel/printk/printk.c:2504)
[   67.098724][ T1438]  ? snapshot_read.cold (user.c:?)
[   67.098726][ T1438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.098728][ T1438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.098731][ T1438]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.098734][ T1438]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   67.098737][ T1438]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   67.098740][ T1438]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.098742][ T1438]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   67.098745][ T1438]  ? netdev_notice (net/core/dev.c:13194)
[   67.098748][ T1438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.098751][ T1438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.098754][ T1438]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   67.098758][ T1438]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.098761][ T1438]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   67.098765][ T1438]  ? register_netdev (net/core/dev.c:11618)
[   67.098767][ T1438]  ? 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))
[   67.098773][ T1438]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   67.098776][ T1438]  ? __kernel_text_address (kernel/extable.c:79)
[   67.098778][ T1438]  ? write_profile (profile.c:?)
[   67.098782][ T1438]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.098788][ T1438]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.098792][ T1438]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   67.098794][ T1438]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   67.098795][ T1438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.098797][ T1438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.098801][ T1438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.098803][ T1438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.098805][ T1438]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.098807][ T1438]  ? kasan_save_stack (mm/kasan/common.c:58)
[   67.098809][ T1438]  ? kasan_save_stack (mm/kasan/common.c:57)
[   67.098810][ T1438]  ? kasan_save_track (mm/kasan/common.c:78)
[   67.098812][ T1438]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   67.098814][ T1438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.098816][ T1438]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   67.098819][ T1438]  ? ___sys_sendmsg (net/socket.c:2758)
[   67.098823][ T1438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.098825][ T1438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.098828][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.098830][ T1438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.098831][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.098832][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.098834][ T1438]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   67.098836][ T1438]  ? __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)
[   67.098838][ T1438]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   67.098840][ T1438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.098843][ T1438]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   67.098844][ T1438]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.098850][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.098852][ T1438]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   67.098857][ T1438]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   67.098863][ T1438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.098865][ T1438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.098869][ T1438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.098871][ T1438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.098873][ T1438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.098875][ T1438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.098879][ T1438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.098881][ T1438]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.098884][ T1438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.098886][ T1438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.098890][ T1438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.098892][ T1438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.098901][ T1438]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.098905][ T1438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.098908][ T1438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.098914][ T1438]  ? 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))
[   67.098917][ T1438]  ? 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))
[   67.098924][ T1438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.098929][ T1438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.098931][ T1438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.098936][ T1438]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.098940][ T1438]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.098944][ T1438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.098945][ T1438]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   67.098951][ T1438]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   67.098954][ T1438]  ____sys_sendmsg (net/socket.c:2713)
[   67.098956][ T1438]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.098958][ T1438]  ? sock_write_iter (net/socket.c:1269)
[   67.098960][ T1438]  ? move_addr_to_kernel (net/socket.c:258)
[   67.098967][ T1438]  ___sys_sendmsg (net/socket.c:2767)
[   67.098970][ T1438]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.098987][ T1438]  __sys_sendmsg (net/socket.c:2799)
[   67.098990][ T1438]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.099000][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.099005][ T1438]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.099009][ T1438]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.099012][ T1438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.099014][ T1438] RIP: 0033:0x7f725050e54e
[   67.099018][ T1438] 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
[   67.099020][ T1438] RSP: 002b:00007ffe0f41a330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.099023][ T1438] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f725050e54e
[   67.099025][ T1438] RDX: 0000000000000000 RSI: 00007ffe0f41a3e0 RDI: 0000000000000005
[   67.099025][ T1438] RBP: 00007ffe0f41a340 R08: 0000000000000000 R09: 0000000000000000
[   67.099026][ T1438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f00
[   67.099027][ T1438] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0f41aab0
| [   72.708939][ T1555] softirqs last disabled at (19314): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   72.708942][ T1555] Preemption disabled at:
| [   72.708944][ T1555] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.708955][ T1555] Tainted: [W]=WARN
[   72.708956][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.708959][ T1555] Call Trace:
[   72.708961][ T1555]  <TASK>
[   72.708964][ T1555]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.708972][ T1555]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.708975][ T1555]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.708981][ T1555]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.708987][ T1555]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.708993][ T1555]  __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))
[   72.708997][ T1555]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.709007][ T1555]  ? 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)
[   72.709011][ T1555]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.709017][ T1555]  put_chars (drivers/char/virtio_console.c:1176)
[   72.709021][ T1555]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.709033][ T1555]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.709045][ T1555]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.709050][ T1555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.709058][ T1555]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.709065][ T1555]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.709068][ T1555]  ? 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))
[   72.709074][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.709078][ T1555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.709085][ T1555]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.709092][ T1555]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.709095][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.709105][ T1555]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.709109][ T1555]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.709112][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.709116][ T1555]  ? 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)
[   72.709122][ T1555]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.709124][ T1555]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.709130][ T1555]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.709135][ T1555]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.709140][ T1555]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.709148][ T1555]  _printk (kernel/printk/printk.c:2504)
[   72.709154][ T1555]  ? snapshot_read.cold (user.c:?)
[   72.709157][ T1555]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.709161][ T1555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.709165][ T1555]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.709169][ T1555]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.709174][ T1555]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.709179][ T1555]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.709184][ T1555]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.709188][ T1555]  ? netdev_notice (net/core/dev.c:13194)
[   72.709193][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.709198][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.709203][ T1555]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   72.709209][ T1555]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.709213][ T1555]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   72.709217][ T1555]  ? register_netdev (net/core/dev.c:11618)
[   72.709219][ T1555]  ? 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))
[   72.709228][ T1555]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   72.709232][ T1555]  ? __kernel_text_address (kernel/extable.c:79)
[   72.709236][ T1555]  ? write_profile (profile.c:?)
[   72.709242][ T1555]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   72.709251][ T1555]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.709257][ T1555]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.709261][ T1555]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.709263][ T1555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.709266][ T1555]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.709271][ T1555]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.709275][ T1555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.709278][ T1555]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.709282][ T1555]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.709285][ T1555]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.709287][ T1555]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.709289][ T1555]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.709293][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.709296][ T1555]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   72.709300][ T1555]  ? ___sys_sendmsg (net/socket.c:2758)
[   72.709307][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.709310][ T1555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.709315][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.709318][ T1555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.709320][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.709322][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.709325][ T1555]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.709329][ T1555]  ? __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)
[   72.709332][ T1555]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.709335][ T1555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.709342][ T1555]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.709344][ T1555]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.709352][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.709356][ T1555]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.709366][ T1555]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.709376][ T1555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.709379][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.709387][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.709391][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.709394][ T1555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.709397][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.709404][ T1555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.709408][ T1555]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.709414][ T1555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.709416][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.709424][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.709427][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.709433][ T1555]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.709438][ T1555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.709443][ T1555]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.709455][ T1555]  ? 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))
[   72.709458][ T1555]  ? 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))
[   72.709466][ T1555]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.709473][ T1555]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.709477][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.709486][ T1555]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.709493][ T1555]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.709500][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.709502][ T1555]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   72.709511][ T1555]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.709516][ T1555]  ____sys_sendmsg (net/socket.c:2713)
[   72.709520][ T1555]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.709524][ T1555]  ? sock_write_iter (net/socket.c:1269)
[   72.709527][ T1555]  ? move_addr_to_kernel (net/socket.c:258)
[   72.709540][ T1555]  ___sys_sendmsg (net/socket.c:2767)
[   72.709545][ T1555]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.709575][ T1555]  __sys_sendmsg (net/socket.c:2799)
[   72.709580][ T1555]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.709592][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.709598][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.709602][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.709607][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.709611][ T1555] RIP: 0033:0x7f9c9025c54e
[   72.709617][ T1555] 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
[   72.709619][ T1555] RSP: 002b:00007fffd6934520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.709623][ T1555] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9c9025c54e
[   72.709625][ T1555] RDX: 0000000000000000 RSI: 00007fffd69345d0 RDI: 0000000000000005
[   72.709627][ T1555] RBP: 00007fffd6934530 R08: 0000000000000000 R09: 0000000000000000
[   72.709629][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f06
[   72.709630][ T1555] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd6934ca0
| [   79.721754][ T1676] softirqs last disabled at (26314): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   79.721757][ T1676] Preemption disabled at:
| [   79.721757][ T1676] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.721766][ T1676] Tainted: [W]=WARN
[   79.721767][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.721769][ T1676] Call Trace:
[   79.721771][ T1676]  <TASK>
[   79.721772][ T1676]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.721778][ T1676]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.721780][ T1676]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.721785][ T1676]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.721789][ T1676]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   79.721796][ T1676]  __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))
[   79.721799][ T1676]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.721806][ T1676]  ? 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)
[   79.721809][ T1676]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.721813][ T1676]  put_chars (drivers/char/virtio_console.c:1176)
[   79.721816][ T1676]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.721822][ T1676]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.721830][ T1676]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.721833][ T1676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.721838][ T1676]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.721842][ T1676]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.721844][ T1676]  ? 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))
[   79.721848][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.721851][ T1676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.721855][ T1676]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.721859][ T1676]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.721861][ T1676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.721867][ T1676]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.721870][ T1676]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.721872][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.721873][ T1676]  ? 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)
[   79.721877][ T1676]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.721879][ T1676]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.721882][ T1676]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.721885][ T1676]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.721888][ T1676]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   79.721893][ T1676]  _printk (kernel/printk/printk.c:2504)
[   79.721896][ T1676]  ? snapshot_read.cold (user.c:?)
[   79.721898][ T1676]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   79.721901][ T1676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.721904][ T1676]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   79.721906][ T1676]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   79.721910][ T1676]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   79.721913][ T1676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.721915][ T1676]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   79.721921][ T1676]  ? netdev_notice (net/core/dev.c:13194)
[   79.721930][ T1676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.721933][ T1676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.721936][ T1676]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   79.721940][ T1676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.721942][ T1676]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   79.721944][ T1676]  ? register_netdev (net/core/dev.c:11618)
[   79.721945][ T1676]  ? 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))
[   79.721951][ T1676]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   79.721953][ T1676]  ? __kernel_text_address (kernel/extable.c:79)
[   79.721956][ T1676]  ? write_profile (profile.c:?)
[   79.721960][ T1676]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   79.721966][ T1676]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.721969][ T1676]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   79.721971][ T1676]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   79.721973][ T1676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   79.721975][ T1676]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.721978][ T1676]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   79.721980][ T1676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.721982][ T1676]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   79.721984][ T1676]  ? kasan_save_stack (mm/kasan/common.c:58)
[   79.721986][ T1676]  ? kasan_save_stack (mm/kasan/common.c:57)
[   79.721988][ T1676]  ? kasan_save_track (mm/kasan/common.c:78)
[   79.721989][ T1676]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   79.721991][ T1676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.721993][ T1676]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   79.721996][ T1676]  ? ___sys_sendmsg (net/socket.c:2758)
[   79.722000][ T1676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.722002][ T1676]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.722005][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.722007][ T1676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.722009][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.722010][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.722011][ T1676]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   79.722014][ T1676]  ? __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)
[   79.722015][ T1676]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   79.722017][ T1676]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.722021][ T1676]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   79.722022][ T1676]  ? nla_get_range_signed (lib/nlattr.c:270)
[   79.722027][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.722029][ T1676]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   79.722034][ T1676]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.722040][ T1676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.722042][ T1676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.722046][ T1676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.722048][ T1676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.722050][ T1676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.722052][ T1676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.722056][ T1676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.722058][ T1676]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.722062][ T1676]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.722063][ T1676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.722067][ T1676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.722069][ T1676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.722073][ T1676]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.722076][ T1676]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.722079][ T1676]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.722086][ T1676]  ? 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))
[   79.722088][ T1676]  ? 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))
[   79.722093][ T1676]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.722097][ T1676]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.722099][ T1676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.722104][ T1676]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.722108][ T1676]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.722112][ T1676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.722113][ T1676]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   79.722119][ T1676]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   79.722122][ T1676]  ____sys_sendmsg (net/socket.c:2713)
[   79.722124][ T1676]  ? copy_msghdr_from_user (net/socket.c:2650)
[   79.722127][ T1676]  ? sock_write_iter (net/socket.c:1269)
[   79.722128][ T1676]  ? move_addr_to_kernel (net/socket.c:258)
[   79.722136][ T1676]  ___sys_sendmsg (net/socket.c:2767)
[   79.722139][ T1676]  ? copy_msghdr_from_user (net/socket.c:2619)
[   79.722155][ T1676]  __sys_sendmsg (net/socket.c:2799)
[   79.722158][ T1676]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   79.722165][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.722168][ T1676]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.722171][ T1676]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.722173][ T1676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.722176][ T1676] RIP: 0033:0x7f3bd1e6f54e
[   79.722180][ T1676] 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
[   79.722182][ T1676] RSP: 002b:00007ffd10a1f4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.722185][ T1676] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3bd1e6f54e
[   79.722186][ T1676] RDX: 0000000000000000 RSI: 00007ffd10a1f550 RDI: 0000000000000005
[   79.722187][ T1676] RBP: 00007ffd10a1f4b0 R08: 0000000000000000 R09: 0000000000000000
[   79.722188][ T1676] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f0d
[   79.722189][ T1676] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd10a1fc20
| [   85.946582][ T1811] softirqs last disabled at (22236): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   85.946585][ T1811] Preemption disabled at:
| [   85.946586][ T1811] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.946595][ T1811] Tainted: [W]=WARN
[   85.946596][ T1811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.946598][ T1811] Call Trace:
[   85.946599][ T1811]  <TASK>
[   85.946601][ T1811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.946607][ T1811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.946609][ T1811]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.946613][ T1811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.946618][ T1811]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.946622][ T1811]  __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))
[   85.946624][ T1811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.946631][ T1811]  ? 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)
[   85.946634][ T1811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.946638][ T1811]  put_chars (drivers/char/virtio_console.c:1176)
[   85.946640][ T1811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.946647][ T1811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.946655][ T1811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.946658][ T1811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.946663][ T1811]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.946667][ T1811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.946669][ T1811]  ? 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))
[   85.946672][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.946675][ T1811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.946679][ T1811]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.946683][ T1811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.946685][ T1811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.946691][ T1811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.946694][ T1811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.946695][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.946697][ T1811]  ? 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)
[   85.946701][ T1811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.946703][ T1811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.946705][ T1811]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.946709][ T1811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.946711][ T1811]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   85.946716][ T1811]  _printk (kernel/printk/printk.c:2504)
[   85.946720][ T1811]  ? snapshot_read.cold (user.c:?)
[   85.946722][ T1811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.946725][ T1811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.946728][ T1811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.946730][ T1811]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.946734][ T1811]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.946737][ T1811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.946739][ T1811]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.946742][ T1811]  ? netdev_notice (net/core/dev.c:13194)
[   85.946745][ T1811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.946748][ T1811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.946750][ T1811]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   85.946754][ T1811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.946756][ T1811]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   85.946758][ T1811]  ? register_netdev (net/core/dev.c:11618)
[   85.946760][ T1811]  ? 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))
[   85.946765][ T1811]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   85.946768][ T1811]  ? __kernel_text_address (kernel/extable.c:79)
[   85.946770][ T1811]  ? write_profile (profile.c:?)
[   85.946775][ T1811]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   85.946780][ T1811]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.946784][ T1811]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   85.946786][ T1811]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   85.946787][ T1811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   85.946789][ T1811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   85.946793][ T1811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.946795][ T1811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.946797][ T1811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.946799][ T1811]  ? kasan_save_stack (mm/kasan/common.c:58)
[   85.946801][ T1811]  ? kasan_save_stack (mm/kasan/common.c:57)
[   85.946802][ T1811]  ? kasan_save_track (mm/kasan/common.c:78)
[   85.946804][ T1811]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   85.946806][ T1811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.946808][ T1811]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   85.946811][ T1811]  ? ___sys_sendmsg (net/socket.c:2758)
[   85.946815][ T1811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.946817][ T1811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.946820][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.946821][ T1811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.946823][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.946824][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.946826][ T1811]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   85.946828][ T1811]  ? __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)
[   85.946829][ T1811]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   85.946831][ T1811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.946835][ T1811]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   85.946836][ T1811]  ? nla_get_range_signed (lib/nlattr.c:270)
[   85.946841][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.946843][ T1811]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   85.946849][ T1811]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.946854][ T1811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.946856][ T1811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.946860][ T1811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.946862][ T1811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.946864][ T1811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.946866][ T1811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.946870][ T1811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.946872][ T1811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.946875][ T1811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.946877][ T1811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.946881][ T1811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.946883][ T1811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.946887][ T1811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.946890][ T1811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.946893][ T1811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.946899][ T1811]  ? 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))
[   85.946901][ T1811]  ? 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))
[   85.946906][ T1811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.946910][ T1811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.946912][ T1811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.946917][ T1811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.946924][ T1811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.946928][ T1811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.946930][ T1811]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   85.946935][ T1811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   85.946943][ T1811]  ____sys_sendmsg (net/socket.c:2713)
[   85.946946][ T1811]  ? copy_msghdr_from_user (net/socket.c:2650)
[   85.946948][ T1811]  ? sock_write_iter (net/socket.c:1269)
[   85.946950][ T1811]  ? move_addr_to_kernel (net/socket.c:258)
[   85.946957][ T1811]  ___sys_sendmsg (net/socket.c:2767)
[   85.946960][ T1811]  ? copy_msghdr_from_user (net/socket.c:2619)
[   85.946976][ T1811]  __sys_sendmsg (net/socket.c:2799)
[   85.946979][ T1811]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   85.946986][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.946989][ T1811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.946992][ T1811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.946995][ T1811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.946997][ T1811] RIP: 0033:0x7f3a0d11c54e
[   85.947002][ T1811] 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
[   85.947004][ T1811] RSP: 002b:00007ffc0175b460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.947006][ T1811] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3a0d11c54e
[   85.947008][ T1811] RDX: 0000000000000000 RSI: 00007ffc0175b510 RDI: 0000000000000005
[   85.947009][ T1811] RBP: 00007ffc0175b470 R08: 0000000000000000 R09: 0000000000000000
[   85.947010][ T1811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f13
[   85.947010][ T1811] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0175bbe0
| [   90.278621][   T12] softirqs last disabled at (1636278): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   90.278624][   T12] Preemption disabled at:
| [   90.278624][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.278634][   T12] Tainted: [W]=WARN
[   90.278635][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.278637][   T12] Workqueue: netns cleanup_net
[   90.278640][   T12] Call Trace:
[   90.278642][   T12]  <TASK>
[   90.278644][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.278650][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.278652][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.278656][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.278661][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   90.278665][   T12]  __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))
[   90.278668][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.278675][   T12]  ? 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)
[   90.278678][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.278682][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   90.278684][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.278686][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   90.278689][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.278693][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   90.278698][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.278702][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.278708][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.278711][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.278716][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.278721][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.278723][   T12]  ? 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))
[   90.278726][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.278728][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.278733][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.278737][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.278739][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.278745][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.278748][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.278750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.278752][   T12]  ? 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)
[   90.278756][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.278758][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.278761][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.278764][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.278765][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   90.278767][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   90.278769][   T12]  ? kthread (kernel/kthread.c:436)
[   90.278772][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   90.278775][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   90.278780][   T12]  _printk (kernel/printk/printk.c:2504)
[   90.278784][   T12]  ? snapshot_read.cold (user.c:?)
[   90.278788][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   90.278792][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   90.278796][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   90.278799][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   90.278804][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.278806][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   90.278809][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   90.278811][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   90.278814][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   90.278818][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   90.278822][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   90.278825][   T12]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   90.278827][   T12]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.278832][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   90.278836][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   90.278840][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   90.278844][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   90.278847][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   90.278849][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.278852][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   90.278858][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   90.278861][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   90.278865][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.278867][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.278871][   T12]  process_one_work (kernel/workqueue.c:3387)
[   90.278878][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   90.278881][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   90.278889][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   90.278897][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   90.278899][   T12]  kthread (kernel/kthread.c:436)
[   90.278901][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   90.278905][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   90.278908][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   90.278910][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   90.278914][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   90.278921][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   90.278924][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   92.606671][ T1957] softirqs last disabled at (19210): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   92.606674][ T1957] Preemption disabled at:
| [   92.606675][ T1957] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.606683][ T1957] Tainted: [W]=WARN
[   92.606684][ T1957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.606686][ T1957] Call Trace:
[   92.606688][ T1957]  <TASK>
[   92.606690][ T1957]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.606696][ T1957]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.606698][ T1957]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.606702][ T1957]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.606707][ T1957]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.606711][ T1957]  __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))
[   92.606713][ T1957]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.606720][ T1957]  ? 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)
[   92.606723][ T1957]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.606727][ T1957]  put_chars (drivers/char/virtio_console.c:1176)
[   92.606729][ T1957]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.606739][ T1957]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.606749][ T1957]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.606752][ T1957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.606757][ T1957]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.606761][ T1957]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.606763][ T1957]  ? 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))
[   92.606766][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.606769][ T1957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.606773][ T1957]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.606778][ T1957]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.606780][ T1957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.606785][ T1957]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.606788][ T1957]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.606790][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.606792][ T1957]  ? 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)
[   92.606796][ T1957]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.606797][ T1957]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.606800][ T1957]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.606803][ T1957]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.606806][ T1957]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   92.606811][ T1957]  _printk (kernel/printk/printk.c:2504)
[   92.606815][ T1957]  ? snapshot_read.cold (user.c:?)
[   92.606817][ T1957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.606819][ T1957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.606822][ T1957]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.606824][ T1957]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.606829][ T1957]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.606832][ T1957]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   92.606834][ T1957]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.606837][ T1957]  ? netdev_notice (net/core/dev.c:13194)
[   92.606840][ T1957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.606843][ T1957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.606846][ T1957]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   92.606850][ T1957]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   92.606852][ T1957]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   92.606854][ T1957]  ? register_netdev (net/core/dev.c:11618)
[   92.606855][ T1957]  ? 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))
[   92.606861][ T1957]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   92.606864][ T1957]  ? __kernel_text_address (kernel/extable.c:79)
[   92.606866][ T1957]  ? write_profile (profile.c:?)
[   92.606870][ T1957]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   92.606876][ T1957]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   92.606880][ T1957]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   92.606882][ T1957]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   92.606883][ T1957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   92.606885][ T1957]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.606889][ T1957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.606890][ T1957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.606892][ T1957]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.606895][ T1957]  ? kasan_save_stack (mm/kasan/common.c:58)
[   92.606897][ T1957]  ? kasan_save_stack (mm/kasan/common.c:57)
[   92.606898][ T1957]  ? kasan_save_track (mm/kasan/common.c:78)
[   92.606899][ T1957]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   92.606901][ T1957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.606903][ T1957]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   92.606907][ T1957]  ? ___sys_sendmsg (net/socket.c:2758)
[   92.606911][ T1957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.606913][ T1957]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   92.606915][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.606917][ T1957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.606922][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.606923][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.606925][ T1957]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   92.606927][ T1957]  ? __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)
[   92.606929][ T1957]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   92.606931][ T1957]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   92.606934][ T1957]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   92.606935][ T1957]  ? nla_get_range_signed (lib/nlattr.c:270)
[   92.606941][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.606943][ T1957]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   92.606948][ T1957]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   92.606959][ T1957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.606961][ T1957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.606965][ T1957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.606967][ T1957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.606969][ T1957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.606971][ T1957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.606975][ T1957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.606977][ T1957]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   92.606981][ T1957]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.606982][ T1957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.606987][ T1957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.606989][ T1957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.606992][ T1957]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.606995][ T1957]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.606998][ T1957]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.607005][ T1957]  ? 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))
[   92.607007][ T1957]  ? 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))
[   92.607012][ T1957]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.607016][ T1957]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.607019][ T1957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.607023][ T1957]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.607027][ T1957]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.607031][ T1957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.607033][ T1957]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   92.607038][ T1957]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.607041][ T1957]  ____sys_sendmsg (net/socket.c:2713)
[   92.607043][ T1957]  ? copy_msghdr_from_user (net/socket.c:2650)
[   92.607046][ T1957]  ? sock_write_iter (net/socket.c:1269)
[   92.607047][ T1957]  ? move_addr_to_kernel (net/socket.c:258)
[   92.607055][ T1957]  ___sys_sendmsg (net/socket.c:2767)
[   92.607058][ T1957]  ? copy_msghdr_from_user (net/socket.c:2619)
[   92.607074][ T1957]  __sys_sendmsg (net/socket.c:2799)
[   92.607077][ T1957]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   92.607084][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.607087][ T1957]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.607090][ T1957]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.607093][ T1957]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.607096][ T1957] RIP: 0033:0x7f25d745b54e
[   92.607101][ T1957] 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
[   92.607104][ T1957] RSP: 002b:00007ffc11a38290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.607108][ T1957] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f25d745b54e
[   92.607110][ T1957] RDX: 0000000000000000 RSI: 00007ffc11a38340 RDI: 0000000000000005
[   92.607111][ T1957] RBP: 00007ffc11a382a0 R08: 0000000000000000 R09: 0000000000000000
[   92.607112][ T1957] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f19
[   92.607113][ T1957] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc11a38a10
| [   96.985409][   T12] softirqs last disabled at (1825783): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   96.985412][   T12] Preemption disabled at:
| [   96.985412][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.985422][   T12] Tainted: [W]=WARN
[   96.985423][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.985426][   T12] Workqueue: netns cleanup_net
[   96.985429][   T12] Call Trace:
[   96.985431][   T12]  <TASK>
[   96.985433][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.985439][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.985441][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.985445][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.985450][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   96.985454][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   96.985456][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.985463][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   96.985466][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.985470][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   96.985473][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.985474][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.985478][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.985481][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.985486][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.985491][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.985496][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.985500][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.985505][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.985509][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.985511][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   96.985514][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.985516][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.985521][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.985525][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.985527][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.985533][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.985536][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.985538][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.985540][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   96.985544][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.985546][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.985549][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.985553][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.985554][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   96.985556][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   96.985558][   T12]  ? kthread (kernel/kthread.c:436)
[   96.985560][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   96.985563][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   96.985568][   T12]  _printk (kernel/printk/printk.c:2504)
[   96.985572][   T12]  ? snapshot_read.cold (user.c:?)
[   96.985577][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   96.985581][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   96.985585][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   96.985588][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   96.985593][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.985595][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   96.985598][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   96.985600][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   96.985603][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   96.985607][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   96.985611][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   96.985618][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   96.985622][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   96.985625][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   96.985629][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   96.985633][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   96.985635][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.985638][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   96.985643][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   96.985647][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   96.985651][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.985653][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.985656][   T12]  process_one_work (kernel/workqueue.c:3387)
[   96.985664][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   96.985667][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.985675][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   96.985683][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   96.985685][   T12]  kthread (kernel/kthread.c:436)
[   96.985687][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   96.985690][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   96.985694][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   96.985696][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   96.985700][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   96.985704][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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