======================================
| [   11.080202][  T229] softirqs last disabled at (26274): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.080205][  T229] Preemption disabled at:
| [   11.080205][  T229] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.080214][  T229] Tainted: [W]=WARN
[   11.080215][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.080217][  T229] Call Trace:
[   11.080219][  T229]  <TASK>
[   11.080220][  T229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.080226][  T229]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.080228][  T229]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.080232][  T229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.080237][  T229]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.080241][  T229]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.080243][  T229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.080250][  T229]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.080253][  T229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.080257][  T229]  put_chars (drivers/char/virtio_console.c:1176)
[   11.080259][  T229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.080266][  T229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.080273][  T229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.080277][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.080281][  T229]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.080285][  T229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.080287][  T229]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.080290][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.080293][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.080297][  T229]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.080301][  T229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.080303][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.080308][  T229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.080311][  T229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.080313][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.080314][  T229]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.080318][  T229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.080320][  T229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.080323][  T229]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.080326][  T229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.080328][  T229]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.080332][  T229]  _printk (kernel/printk/printk.c:2504)
[   11.080336][  T229]  ? snapshot_read.cold (user.c:?)
[   11.080339][  T229]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.080342][  T229]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.080345][  T229]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.080348][  T229]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.080356][  T229]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.080359][  T229]  ? netdev_notice (net/core/dev.c:13194)
[   11.080361][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.080364][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.080367][  T229]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.080371][  T229]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.080373][  T229]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.080375][  T229]  ? register_netdev (net/core/dev.c:11618)
[   11.080376][  T229]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.080382][  T229]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.080384][  T229]  ? __kernel_text_address (kernel/extable.c:79)
[   11.080387][  T229]  ? write_profile (profile.c:?)
[   11.080391][  T229]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.080396][  T229]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.080400][  T229]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.080402][  T229]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.080403][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.080408][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.080412][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.080414][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.080416][  T229]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.080418][  T229]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.080420][  T229]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.080421][  T229]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.080422][  T229]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.080425][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.080427][  T229]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.080430][  T229]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.080433][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.080435][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.080438][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.080440][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.080441][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.080442][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.080444][  T229]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.080446][  T229]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.080449][  T229]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.080451][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.080454][  T229]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.080456][  T229]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.080461][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.080463][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.080468][  T229]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.080473][  T229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.080475][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.080480][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.080482][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.080484][  T229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.080485][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.080489][  T229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.080491][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.080494][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.080495][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.080500][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.080502][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.080505][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.080508][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.080511][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.080517][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.080519][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.080524][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.080528][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.080531][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.080535][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.080539][  T229]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.080542][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.080544][  T229]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.080550][  T229]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.080552][  T229]  ____sys_sendmsg (net/socket.c:2713)
[   11.080555][  T229]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.080557][  T229]  ? sock_write_iter (net/socket.c:1269)
[   11.080558][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   11.080566][  T229]  ___sys_sendmsg (net/socket.c:2767)
[   11.080568][  T229]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.080584][  T229]  __sys_sendmsg (net/socket.c:2799)
[   11.080587][  T229]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.080593][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.080596][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.080600][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.080603][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.080605][  T229] RIP: 0033:0x7ff59c30454e
[   11.080609][  T229] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.080611][  T229] RSP: 002b:00007ffeac0a4ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.080614][  T229] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff59c30454e
[   11.080615][  T229] RDX: 0000000000000000 RSI: 00007ffeac0a4b70 RDI: 0000000000000005
[   11.080616][  T229] RBP: 00007ffeac0a4ad0 R08: 0000000000000000 R09: 0000000000000000
[   11.080617][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91838e
[   11.080618][  T229] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeac0a5240
| [   16.283538][  T343] softirqs last disabled at (31332): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.283540][  T343] Preemption disabled at:
| [   16.283541][  T343] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.283550][  T343] Tainted: [W]=WARN
[   16.283550][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.283552][  T343] Call Trace:
[   16.283553][  T343]  <TASK>
[   16.283555][  T343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.283561][  T343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.283563][  T343]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.283567][  T343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.283571][  T343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.283576][  T343]  __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))
[   16.283578][  T343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.283584][  T343]  ? 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)
[   16.283587][  T343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.283591][  T343]  put_chars (drivers/char/virtio_console.c:1176)
[   16.283593][  T343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.283600][  T343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.283607][  T343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.283610][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.283615][  T343]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.283619][  T343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.283621][  T343]  ? 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))
[   16.283624][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.283627][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.283631][  T343]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.283635][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.283637][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.283642][  T343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.283645][  T343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.283647][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.283649][  T343]  ? 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)
[   16.283652][  T343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.283654][  T343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.283657][  T343]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.283660][  T343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.283662][  T343]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   16.283667][  T343]  _printk (kernel/printk/printk.c:2504)
[   16.283671][  T343]  ? snapshot_read.cold (user.c:?)
[   16.283673][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.283676][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.283679][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.283681][  T343]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.283684][  T343]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.283687][  T343]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.283689][  T343]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.283692][  T343]  ? netdev_notice (net/core/dev.c:13194)
[   16.283695][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.283698][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.283701][  T343]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.283704][  T343]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.283706][  T343]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.283708][  T343]  ? register_netdev (net/core/dev.c:11618)
[   16.283710][  T343]  ? 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))
[   16.283715][  T343]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.283718][  T343]  ? __kernel_text_address (kernel/extable.c:79)
[   16.283720][  T343]  ? write_profile (profile.c:?)
[   16.283724][  T343]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.283730][  T343]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.283733][  T343]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.283735][  T343]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.283736][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.283738][  T343]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.283741][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.283743][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.283745][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.283747][  T343]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.283749][  T343]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.283750][  T343]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.283752][  T343]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.283754][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.283756][  T343]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.283759][  T343]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.283762][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.283764][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.283767][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.283768][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.283770][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.283771][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.283773][  T343]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.283775][  T343]  ? __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)
[   16.283776][  T343]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.283778][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.283782][  T343]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.283783][  T343]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.283788][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.283790][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.283795][  T343]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.283800][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.283802][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.283807][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.283809][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.283810][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.283812][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.283816][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.283818][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.283821][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.283822][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.283827][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.283829][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.283832][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.283835][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.283838][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.283844][  T343]  ? 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))
[   16.283846][  T343]  ? 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))
[   16.283851][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.283855][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.283857][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.283862][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.283865][  T343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.283869][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.283871][  T343]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.283876][  T343]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.283879][  T343]  ____sys_sendmsg (net/socket.c:2713)
[   16.283881][  T343]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.283883][  T343]  ? sock_write_iter (net/socket.c:1269)
[   16.283885][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   16.283892][  T343]  ___sys_sendmsg (net/socket.c:2767)
[   16.283895][  T343]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.283911][  T343]  __sys_sendmsg (net/socket.c:2799)
[   16.283914][  T343]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.283920][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.283923][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.283926][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.283929][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.283931][  T343] RIP: 0033:0x7fa64f62f54e
[   16.283935][  T343] 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
[   16.283936][  T343] RSP: 002b:00007ffd36b20840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.283939][  T343] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa64f62f54e
[   16.283940][  T343] RDX: 0000000000000000 RSI: 00007ffd36b208f0 RDI: 0000000000000005
[   16.283941][  T343] RBP: 00007ffd36b20850 R08: 0000000000000000 R09: 0000000000000000
[   16.283942][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918393
[   16.283942][  T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd36b20fc0
| [   20.765079][  T456] softirqs last disabled at (28938): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.765082][  T456] Preemption disabled at:
| [   20.765083][  T456] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.765092][  T456] Tainted: [W]=WARN
[   20.765092][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.765094][  T456] Call Trace:
[   20.765096][  T456]  <TASK>
[   20.765097][  T456]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.765103][  T456]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.765105][  T456]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.765110][  T456]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.765114][  T456]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.765119][  T456]  __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))
[   20.765121][  T456]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.765127][  T456]  ? 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)
[   20.765130][  T456]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.765134][  T456]  put_chars (drivers/char/virtio_console.c:1176)
[   20.765137][  T456]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.765143][  T456]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.765151][  T456]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.765154][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.765159][  T456]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.765163][  T456]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.765165][  T456]  ? 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))
[   20.765168][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.765171][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.765175][  T456]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.765180][  T456]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.765181][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.765187][  T456]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.765190][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.765192][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.765193][  T456]  ? 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)
[   20.765197][  T456]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.765199][  T456]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.765202][  T456]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.765205][  T456]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.765208][  T456]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   20.765213][  T456]  _printk (kernel/printk/printk.c:2504)
[   20.765217][  T456]  ? snapshot_read.cold (user.c:?)
[   20.765219][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.765222][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.765225][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.765227][  T456]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.765232][  T456]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.765235][  T456]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.765237][  T456]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.765240][  T456]  ? netdev_notice (net/core/dev.c:13194)
[   20.765243][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.765246][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.765249][  T456]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.765252][  T456]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.765254][  T456]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.765257][  T456]  ? register_netdev (net/core/dev.c:11618)
[   20.765258][  T456]  ? 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))
[   20.765264][  T456]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.765267][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   20.765270][  T456]  ? write_profile (profile.c:?)
[   20.765274][  T456]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.765280][  T456]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.765284][  T456]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.765286][  T456]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.765287][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.765289][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.765293][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.765295][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.765297][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.765300][  T456]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.765302][  T456]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.765303][  T456]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.765305][  T456]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.765307][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.765309][  T456]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   20.765312][  T456]  ? ___sys_sendmsg (net/socket.c:2758)
[   20.765316][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.765318][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.765321][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.765323][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.765326][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.765327][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.765329][  T456]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.765331][  T456]  ? __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)
[   20.765333][  T456]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.765335][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.765338][  T456]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.765339][  T456]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.765344][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.765346][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.765352][  T456]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.765357][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.765359][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.765364][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.765365][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.765367][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.765369][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.765373][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.765375][  T456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.765383][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.765384][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.765389][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.765391][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.765394][  T456]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.765398][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.765400][  T456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.765410][  T456]  ? 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))
[   20.765412][  T456]  ? 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))
[   20.765416][  T456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.765420][  T456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.765423][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.765427][  T456]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.765431][  T456]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.765435][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.765437][  T456]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   20.765442][  T456]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.765445][  T456]  ____sys_sendmsg (net/socket.c:2713)
[   20.765448][  T456]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.765450][  T456]  ? sock_write_iter (net/socket.c:1269)
[   20.765452][  T456]  ? move_addr_to_kernel (net/socket.c:258)
[   20.765459][  T456]  ___sys_sendmsg (net/socket.c:2767)
[   20.765462][  T456]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.765478][  T456]  __sys_sendmsg (net/socket.c:2799)
[   20.765481][  T456]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.765488][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.765491][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.765494][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.765497][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.765499][  T456] RIP: 0033:0x7ff9ca0ee54e
[   20.765504][  T456] 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
[   20.765505][  T456] RSP: 002b:00007ffd93694f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.765508][  T456] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff9ca0ee54e
[   20.765510][  T456] RDX: 0000000000000000 RSI: 00007ffd93695020 RDI: 0000000000000005
[   20.765511][  T456] RBP: 00007ffd93694f80 R08: 0000000000000000 R09: 0000000000000000
[   20.765511][  T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918398
[   20.765512][  T456] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd936956f0
| [   26.263184][  T569] softirqs last disabled at (30056): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.263186][  T569] Preemption disabled at:
| [   26.263187][  T569] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.263196][  T569] Tainted: [W]=WARN
[   26.263197][  T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.263198][  T569] Call Trace:
[   26.263200][  T569]  <TASK>
[   26.263201][  T569]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.263207][  T569]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.263209][  T569]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.263213][  T569]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.263217][  T569]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.263222][  T569]  __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))
[   26.263224][  T569]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.263230][  T569]  ? 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)
[   26.263233][  T569]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.263237][  T569]  put_chars (drivers/char/virtio_console.c:1176)
[   26.263240][  T569]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.263246][  T569]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.263254][  T569]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.263257][  T569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.263261][  T569]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.263265][  T569]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.263267][  T569]  ? 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))
[   26.263271][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.263273][  T569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.263277][  T569]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.263282][  T569]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.263284][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.263289][  T569]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.263292][  T569]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.263294][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.263296][  T569]  ? 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)
[   26.263299][  T569]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.263301][  T569]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.263304][  T569]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.263307][  T569]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.263310][  T569]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   26.263315][  T569]  _printk (kernel/printk/printk.c:2504)
[   26.263319][  T569]  ? snapshot_read.cold (user.c:?)
[   26.263320][  T569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.263323][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.263326][  T569]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.263328][  T569]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.263333][  T569]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.263335][  T569]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.263338][  T569]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.263340][  T569]  ? netdev_notice (net/core/dev.c:13194)
[   26.263343][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.263346][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.263349][  T569]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.263353][  T569]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.263355][  T569]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.263357][  T569]  ? register_netdev (net/core/dev.c:11618)
[   26.263358][  T569]  ? 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))
[   26.263364][  T569]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.263366][  T569]  ? __kernel_text_address (kernel/extable.c:79)
[   26.263369][  T569]  ? write_profile (profile.c:?)
[   26.263373][  T569]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.263379][  T569]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.263382][  T569]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.263384][  T569]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.263386][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.263387][  T569]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.263391][  T569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.263393][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.263400][  T569]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.263403][  T569]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.263407][  T569]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.263408][  T569]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.263410][  T569]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.263412][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.263414][  T569]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   26.263417][  T569]  ? ___sys_sendmsg (net/socket.c:2758)
[   26.263421][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.263423][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.263426][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.263427][  T569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.263429][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.263430][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.263432][  T569]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.263434][  T569]  ? __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)
[   26.263436][  T569]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.263438][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.263441][  T569]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.263443][  T569]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.263448][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.263450][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.263455][  T569]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.263461][  T569]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.263463][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.263467][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.263469][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.263471][  T569]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.263473][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.263477][  T569]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.263479][  T569]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.263482][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.263483][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.263488][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.263490][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.263493][  T569]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.263497][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.263500][  T569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.263506][  T569]  ? 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))
[   26.263508][  T569]  ? 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))
[   26.263513][  T569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.263517][  T569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.263520][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.263524][  T569]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.263528][  T569]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.263532][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.263534][  T569]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.263539][  T569]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.263542][  T569]  ____sys_sendmsg (net/socket.c:2713)
[   26.263544][  T569]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.263547][  T569]  ? sock_write_iter (net/socket.c:1269)
[   26.263548][  T569]  ? move_addr_to_kernel (net/socket.c:258)
[   26.263556][  T569]  ___sys_sendmsg (net/socket.c:2767)
[   26.263559][  T569]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.263575][  T569]  __sys_sendmsg (net/socket.c:2799)
[   26.263578][  T569]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.263584][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.263587][  T569]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.263591][  T569]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.263593][  T569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.263596][  T569] RIP: 0033:0x7f03df40354e
[   26.263600][  T569] 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
[   26.263602][  T569] RSP: 002b:00007ffd72f231c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.263605][  T569] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f03df40354e
[   26.263606][  T569] RDX: 0000000000000000 RSI: 00007ffd72f23270 RDI: 0000000000000005
[   26.263607][  T569] RBP: 00007ffd72f231d0 R08: 0000000000000000 R09: 0000000000000000
[   26.263608][  T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91839d
[   26.263608][  T569] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd72f23940
| [   31.012145][  T681] softirqs last disabled at (25332): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.012148][  T681] Preemption disabled at:
| [   31.012148][  T681] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.012157][  T681] Tainted: [W]=WARN
[   31.012158][  T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.012160][  T681] Call Trace:
[   31.012162][  T681]  <TASK>
[   31.012163][  T681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.012170][  T681]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.012171][  T681]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.012176][  T681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.012180][  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)
[   31.012184][  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))
[   31.012186][  T681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.012192][  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)
[   31.012195][  T681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.012199][  T681]  put_chars (drivers/char/virtio_console.c:1176)
[   31.012201][  T681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.012207][  T681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.012215][  T681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.012218][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.012222][  T681]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.012226][  T681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.012228][  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))
[   31.012231][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.012234][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.012238][  T681]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.012242][  T681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.012244][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.012249][  T681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.012252][  T681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.012254][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.012256][  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)
[   31.012259][  T681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.012261][  T681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.012264][  T681]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.012267][  T681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.012269][  T681]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   31.012274][  T681]  _printk (kernel/printk/printk.c:2504)
[   31.012278][  T681]  ? snapshot_read.cold (user.c:?)
[   31.012280][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.012282][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.012285][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.012287][  T681]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.012291][  T681]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.012293][  T681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.012295][  T681]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.012298][  T681]  ? netdev_notice (net/core/dev.c:13194)
[   31.012301][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.012304][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.012307][  T681]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.012310][  T681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.012312][  T681]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.012314][  T681]  ? register_netdev (net/core/dev.c:11618)
[   31.012315][  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))
[   31.012320][  T681]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.012323][  T681]  ? __kernel_text_address (kernel/extable.c:79)
[   31.012326][  T681]  ? write_profile (profile.c:?)
[   31.012330][  T681]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.012336][  T681]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.012339][  T681]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.012341][  T681]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.012342][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.012344][  T681]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.012347][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.012349][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.012351][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.012353][  T681]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.012355][  T681]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.012356][  T681]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.012358][  T681]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.012360][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.012362][  T681]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   31.012365][  T681]  ? ___sys_sendmsg (net/socket.c:2758)
[   31.012369][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.012371][  T681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.012373][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.012375][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.012376][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.012378][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.012379][  T681]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.012381][  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)
[   31.012383][  T681]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.012385][  T681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.012388][  T681]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.012389][  T681]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.012394][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.012396][  T681]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.012401][  T681]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.012414][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.012416][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.012421][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.012423][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.012424][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.012426][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.012430][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.012432][  T681]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.012435][  T681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.012436][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.012441][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.012443][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.012446][  T681]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.012449][  T681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.012452][  T681]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.012458][  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))
[   31.012460][  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))
[   31.012465][  T681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.012468][  T681]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.012471][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.012475][  T681]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.012479][  T681]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.012483][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.012484][  T681]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   31.012489][  T681]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.012492][  T681]  ____sys_sendmsg (net/socket.c:2713)
[   31.012494][  T681]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.012497][  T681]  ? sock_write_iter (net/socket.c:1269)
[   31.012498][  T681]  ? move_addr_to_kernel (net/socket.c:258)
[   31.012505][  T681]  ___sys_sendmsg (net/socket.c:2767)
[   31.012508][  T681]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.012523][  T681]  __sys_sendmsg (net/socket.c:2799)
[   31.012526][  T681]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.012532][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.012535][  T681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.012539][  T681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.012541][  T681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.012543][  T681] RIP: 0033:0x7f3c4236d54e
[   31.012548][  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
[   31.012550][  T681] RSP: 002b:00007ffeea533a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.012552][  T681] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3c4236d54e
[   31.012554][  T681] RDX: 0000000000000000 RSI: 00007ffeea533af0 RDI: 0000000000000005
[   31.012555][  T681] RBP: 00007ffeea533a50 R08: 0000000000000000 R09: 0000000000000000
[   31.012555][  T681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183a2
[   31.012556][  T681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeea5341c0
| [   37.172993][  T797] softirqs last disabled at (22806): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.172996][  T797] Preemption disabled at:
| [   37.172997][  T797] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.173005][  T797] Tainted: [W]=WARN
[   37.173006][  T797] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.173008][  T797] Call Trace:
[   37.173010][  T797]  <TASK>
[   37.173011][  T797]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.173017][  T797]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.173019][  T797]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.173023][  T797]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.173027][  T797]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.173032][  T797]  __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))
[   37.173034][  T797]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.173040][  T797]  ? 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)
[   37.173043][  T797]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.173047][  T797]  put_chars (drivers/char/virtio_console.c:1176)
[   37.173049][  T797]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.173055][  T797]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.173063][  T797]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.173066][  T797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.173071][  T797]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.173075][  T797]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.173076][  T797]  ? 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))
[   37.173080][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.173082][  T797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.173086][  T797]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.173091][  T797]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.173092][  T797]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.173098][  T797]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.173101][  T797]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.173102][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.173104][  T797]  ? 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)
[   37.173108][  T797]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.173110][  T797]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.173112][  T797]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.173116][  T797]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.173118][  T797]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   37.173123][  T797]  _printk (kernel/printk/printk.c:2504)
[   37.173127][  T797]  ? snapshot_read.cold (user.c:?)
[   37.173129][  T797]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.173132][  T797]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.173134][  T797]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.173136][  T797]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.173140][  T797]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.173143][  T797]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.173145][  T797]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.173148][  T797]  ? netdev_notice (net/core/dev.c:13194)
[   37.173151][  T797]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.173154][  T797]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.173156][  T797]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.173160][  T797]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.173162][  T797]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.173164][  T797]  ? register_netdev (net/core/dev.c:11618)
[   37.173165][  T797]  ? 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))
[   37.173171][  T797]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.173173][  T797]  ? __kernel_text_address (kernel/extable.c:79)
[   37.173175][  T797]  ? write_profile (profile.c:?)
[   37.173179][  T797]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.173185][  T797]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.173189][  T797]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.173191][  T797]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.173192][  T797]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.173194][  T797]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.173197][  T797]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.173199][  T797]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.173201][  T797]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.173203][  T797]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.173205][  T797]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.173206][  T797]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.173207][  T797]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.173210][  T797]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.173212][  T797]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   37.173214][  T797]  ? ___sys_sendmsg (net/socket.c:2758)
[   37.173218][  T797]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.173220][  T797]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.173223][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.173224][  T797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.173226][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.173227][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.173229][  T797]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.173231][  T797]  ? __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)
[   37.173233][  T797]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.173234][  T797]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.173238][  T797]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.173239][  T797]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.173244][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.173246][  T797]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.173251][  T797]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.173257][  T797]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.173258][  T797]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.173263][  T797]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.173265][  T797]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.173267][  T797]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.173269][  T797]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.173272][  T797]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.173274][  T797]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.173277][  T797]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.173279][  T797]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.173283][  T797]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.173285][  T797]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.173288][  T797]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.173292][  T797]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.173295][  T797]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.173301][  T797]  ? 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))
[   37.173303][  T797]  ? 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))
[   37.173308][  T797]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.173312][  T797]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.173314][  T797]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.173318][  T797]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.173322][  T797]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.173326][  T797]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.173328][  T797]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.173333][  T797]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.173336][  T797]  ____sys_sendmsg (net/socket.c:2713)
[   37.173338][  T797]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.173340][  T797]  ? sock_write_iter (net/socket.c:1269)
[   37.173342][  T797]  ? move_addr_to_kernel (net/socket.c:258)
[   37.173349][  T797]  ___sys_sendmsg (net/socket.c:2767)
[   37.173352][  T797]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.173368][  T797]  __sys_sendmsg (net/socket.c:2799)
[   37.173371][  T797]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.173377][  T797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.173380][  T797]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.173384][  T797]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.173386][  T797]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.173389][  T797] RIP: 0033:0x7fce099eb54e
[   37.173393][  T797] 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
[   37.173394][  T797] RSP: 002b:00007fff459bbad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.173397][  T797] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fce099eb54e
[   37.173398][  T797] RDX: 0000000000000000 RSI: 00007fff459bbb80 RDI: 0000000000000005
[   37.173399][  T797] RBP: 00007fff459bbae0 R08: 0000000000000000 R09: 0000000000000000
[   37.173400][  T797] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183a8
[   37.173401][  T797] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff459bc250
| [   42.901000][  T921] softirqs last disabled at (29230): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   42.901003][  T921] Preemption disabled at:
| [   42.901003][  T921] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.901011][  T921] Tainted: [W]=WARN
[   42.901012][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.901014][  T921] Call Trace:
[   42.901015][  T921]  <TASK>
[   42.901017][  T921]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.901024][  T921]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.901026][  T921]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.901030][  T921]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.901034][  T921]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.901038][  T921]  __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))
[   42.901040][  T921]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.901047][  T921]  ? 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)
[   42.901050][  T921]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.901053][  T921]  put_chars (drivers/char/virtio_console.c:1176)
[   42.901056][  T921]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.901062][  T921]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.901070][  T921]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.901073][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.901078][  T921]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.901082][  T921]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.901084][  T921]  ? 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))
[   42.901087][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.901089][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.901093][  T921]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.901098][  T921]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.901100][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.901105][  T921]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.901108][  T921]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.901109][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.901111][  T921]  ? 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)
[   42.901115][  T921]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.901117][  T921]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.901119][  T921]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.901123][  T921]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.901125][  T921]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   42.901130][  T921]  _printk (kernel/printk/printk.c:2504)
[   42.901134][  T921]  ? snapshot_read.cold (user.c:?)
[   42.901136][  T921]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.901138][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.901141][  T921]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.901143][  T921]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.901147][  T921]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.901150][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.901152][  T921]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.901155][  T921]  ? netdev_notice (net/core/dev.c:13194)
[   42.901158][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.901161][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.901163][  T921]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.901167][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.901169][  T921]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   42.901171][  T921]  ? register_netdev (net/core/dev.c:11618)
[   42.901173][  T921]  ? 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))
[   42.901178][  T921]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   42.901180][  T921]  ? __kernel_text_address (kernel/extable.c:79)
[   42.901183][  T921]  ? write_profile (profile.c:?)
[   42.901187][  T921]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   42.901193][  T921]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.901196][  T921]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.901198][  T921]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.901200][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.901202][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.901205][  T921]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.901207][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.901209][  T921]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.901211][  T921]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.901213][  T921]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.901214][  T921]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.901215][  T921]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.901218][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.901219][  T921]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   42.901222][  T921]  ? ___sys_sendmsg (net/socket.c:2758)
[   42.901226][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.901228][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.901231][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.901233][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.901234][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.901235][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.901237][  T921]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.901239][  T921]  ? __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)
[   42.901241][  T921]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.901242][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.901246][  T921]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.901247][  T921]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.901252][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.901254][  T921]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.901259][  T921]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.901264][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.901266][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.901271][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.901273][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.901274][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.901276][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.901280][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.901282][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.901285][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.901286][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.901291][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.901293][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.901296][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.901299][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.901302][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.901308][  T921]  ? 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))
[   42.901311][  T921]  ? 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))
[   42.901315][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.901319][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.901322][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.901326][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.901330][  T921]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.901334][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.901335][  T921]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   42.901341][  T921]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   42.901344][  T921]  ____sys_sendmsg (net/socket.c:2713)
[   42.901346][  T921]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.901348][  T921]  ? sock_write_iter (net/socket.c:1269)
[   42.901350][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   42.901357][  T921]  ___sys_sendmsg (net/socket.c:2767)
[   42.901360][  T921]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.901376][  T921]  __sys_sendmsg (net/socket.c:2799)
[   42.901379][  T921]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.901385][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.901388][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.901391][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.901394][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.901396][  T921] RIP: 0033:0x7effa737d54e
[   42.901400][  T921] 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
[   42.901402][  T921] RSP: 002b:00007fffc039f0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.901407][  T921] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007effa737d54e
[   42.901408][  T921] RDX: 0000000000000000 RSI: 00007fffc039f170 RDI: 0000000000000005
[   42.901409][  T921] RBP: 00007fffc039f0d0 R08: 0000000000000000 R09: 0000000000000000
[   42.901410][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183ae
[   42.901411][  T921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc039f840
| [   46.194849][   T12] softirqs last disabled at (704797): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   46.194852][   T12] Preemption disabled at:
| [   46.194853][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.194864][   T12] Tainted: [W]=WARN
[   46.194866][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.194868][   T12] Workqueue: netns cleanup_net
[   46.194872][   T12] Call Trace:
[   46.194874][   T12]  <TASK>
[   46.194877][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.194885][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.194888][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.194894][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.194900][   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)
[   46.194907][   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))
[   46.194910][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.194920][   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)
[   46.194924][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.194930][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   46.194934][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.194939][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   46.194948][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.194954][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.194963][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.194968][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.194978][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.194985][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.194988][   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))
[   46.194993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.194996][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.195004][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.195011][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.195014][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.195024][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.195028][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.195031][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.195034][   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)
[   46.195041][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.195044][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.195049][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.195055][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.195057][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   46.195060][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   46.195062][   T12]  ? kthread (kernel/kthread.c:436)
[   46.195065][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   46.195069][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   46.195078][   T12]  _printk (kernel/printk/printk.c:2504)
[   46.195083][   T12]  ? snapshot_read.cold (user.c:?)
[   46.195091][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.195096][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.195103][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.195107][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   46.195115][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.195118][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   46.195122][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   46.195125][   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)
[   46.195130][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   46.195137][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   46.195142][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   46.195147][   T12]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   46.195150][   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))
[   46.195158][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   46.195164][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   46.195170][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   46.195176][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   46.195182][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   46.195184][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.195190][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   46.195198][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   46.195203][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   46.195210][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.195213][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.195220][   T12]  process_one_work (kernel/workqueue.c:3387)
[   46.195232][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   46.195237][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.195251][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   46.195264][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   46.195267][   T12]  kthread (kernel/kthread.c:436)
[   46.195270][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.195274][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   46.195279][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.195284][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   46.195290][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.195295][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   46.195300][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.262278][ T1067] softirqs last disabled at (19332): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.262281][ T1067] Preemption disabled at:
| [   48.262281][ T1067] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.262291][ T1067] Tainted: [W]=WARN
[   48.262291][ T1067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.262293][ T1067] Call Trace:
[   48.262295][ T1067]  <TASK>
[   48.262296][ T1067]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.262302][ T1067]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.262304][ T1067]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.262308][ T1067]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.262313][ 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)
[   48.262317][ 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))
[   48.262319][ T1067]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.262326][ 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)
[   48.262329][ T1067]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.262333][ T1067]  put_chars (drivers/char/virtio_console.c:1176)
[   48.262335][ T1067]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.262342][ T1067]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.262350][ T1067]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.262353][ T1067]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.262357][ T1067]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.262361][ T1067]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.262363][ 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))
[   48.262366][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.262369][ T1067]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.262373][ T1067]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.262377][ T1067]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.262379][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.262384][ T1067]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.262387][ T1067]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.262389][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.262391][ 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)
[   48.262395][ T1067]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.262396][ T1067]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.262399][ T1067]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.262402][ T1067]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.262408][ T1067]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   48.262413][ T1067]  _printk (kernel/printk/printk.c:2504)
[   48.262417][ T1067]  ? snapshot_read.cold (user.c:?)
[   48.262419][ T1067]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.262421][ T1067]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.262424][ T1067]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.262426][ T1067]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.262430][ T1067]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.262433][ T1067]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.262435][ T1067]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.262438][ T1067]  ? netdev_notice (net/core/dev.c:13194)
[   48.262441][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.262444][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.262446][ T1067]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.262450][ T1067]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.262452][ T1067]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.262454][ T1067]  ? register_netdev (net/core/dev.c:11618)
[   48.262456][ 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))
[   48.262467][ T1067]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.262469][ T1067]  ? __kernel_text_address (kernel/extable.c:79)
[   48.262472][ T1067]  ? write_profile (profile.c:?)
[   48.262476][ T1067]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.262482][ T1067]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.262485][ T1067]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.262487][ T1067]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.262489][ T1067]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.262491][ T1067]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.262494][ T1067]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.262496][ T1067]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.262498][ T1067]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.262500][ T1067]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.262502][ T1067]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.262503][ T1067]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.262504][ T1067]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.262507][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.262509][ T1067]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   48.262512][ T1067]  ? ___sys_sendmsg (net/socket.c:2758)
[   48.262515][ T1067]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.262517][ T1067]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.262520][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.262522][ T1067]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.262523][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.262524][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.262526][ T1067]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.262529][ 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)
[   48.262530][ T1067]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.262532][ T1067]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.262535][ T1067]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.262536][ T1067]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.262541][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.262543][ T1067]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.262548][ T1067]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.262554][ T1067]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.262556][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.262560][ T1067]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.262562][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.262564][ T1067]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.262566][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.262569][ T1067]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.262571][ T1067]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.262575][ T1067]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.262576][ T1067]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.262580][ T1067]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.262582][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.262586][ T1067]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.262589][ T1067]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.262592][ T1067]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.262598][ 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))
[   48.262600][ 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))
[   48.262605][ T1067]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.262609][ T1067]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.262611][ T1067]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.262615][ T1067]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.262619][ T1067]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.262623][ T1067]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.262625][ T1067]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   48.262630][ T1067]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.262633][ T1067]  ____sys_sendmsg (net/socket.c:2713)
[   48.262635][ T1067]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.262637][ T1067]  ? sock_write_iter (net/socket.c:1269)
[   48.262639][ T1067]  ? move_addr_to_kernel (net/socket.c:258)
[   48.262646][ T1067]  ___sys_sendmsg (net/socket.c:2767)
[   48.262649][ T1067]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.262664][ T1067]  __sys_sendmsg (net/socket.c:2799)
[   48.262667][ T1067]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.262674][ T1067]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.262677][ T1067]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.262679][ T1067]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.262682][ T1067]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.262684][ T1067] RIP: 0033:0x7ff9f4edb54e
[   48.262689][ 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
[   48.262690][ T1067] RSP: 002b:00007ffde4264aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.262693][ T1067] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff9f4edb54e
[   48.262694][ T1067] RDX: 0000000000000000 RSI: 00007ffde4264b50 RDI: 0000000000000005
[   48.262695][ T1067] RBP: 00007ffde4264ab0 R08: 0000000000000000 R09: 0000000000000000
[   48.262696][ T1067] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183b3
[   48.262697][ T1067] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde4265220
| [   52.791748][   T12] softirqs last disabled at (880516): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   52.791751][   T12] Preemption disabled at:
| [   52.791751][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.791760][   T12] Tainted: [W]=WARN
[   52.791761][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.791762][   T12] Workqueue: netns cleanup_net
[   52.791766][   T12] Call Trace:
[   52.791767][   T12]  <TASK>
[   52.791769][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.791775][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.791777][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.791782][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.791786][   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)
[   52.791790][   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))
[   52.791792][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.791799][   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)
[   52.791802][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.791806][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   52.791808][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.791810][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.791813][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.791816][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.791822][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.791825][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.791831][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.791834][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.791839][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.791843][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.791845][   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))
[   52.791849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.791851][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.791855][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.791859][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.791861][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.791867][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.791870][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.791872][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.791874][   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)
[   52.791878][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.791880][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.791883][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.791886][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.791888][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   52.791890][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   52.791891][   T12]  ? kthread (kernel/kthread.c:436)
[   52.791894][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   52.791897][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   52.791902][   T12]  _printk (kernel/printk/printk.c:2504)
[   52.791906][   T12]  ? snapshot_read.cold (user.c:?)
[   52.791911][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.791914][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.791919][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.791921][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   52.791926][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.791928][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   52.791931][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   52.791933][   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)
[   52.791936][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   52.791940][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   52.791944][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   52.791947][   T12]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   52.791949][   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))
[   52.791954][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   52.791958][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   52.791962][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   52.791966][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   52.791970][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   52.791971][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.791975][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   52.791980][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   52.791983][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   52.791987][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.791989][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.791993][   T12]  process_one_work (kernel/workqueue.c:3387)
[   52.792000][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   52.792003][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.792011][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   52.792018][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   52.792021][   T12]  kthread (kernel/kthread.c:436)
[   52.792023][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.792026][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.792029][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.792032][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   52.792036][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.792039][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.792042][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.488220][ T1199] softirqs last disabled at (19564): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.488223][ T1199] Preemption disabled at:
| [   54.488224][ T1199] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.488232][ T1199] Tainted: [W]=WARN
[   54.488233][ T1199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.488235][ T1199] Call Trace:
[   54.488236][ T1199]  <TASK>
[   54.488238][ T1199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.488244][ T1199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.488246][ T1199]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.488250][ T1199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.488255][ 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)
[   54.488259][ 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))
[   54.488261][ T1199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.488268][ 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)
[   54.488271][ T1199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.488275][ T1199]  put_chars (drivers/char/virtio_console.c:1176)
[   54.488277][ T1199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.488283][ T1199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.488291][ T1199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.488294][ T1199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.488299][ T1199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.488303][ T1199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.488305][ 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))
[   54.488308][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.488311][ T1199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.488315][ T1199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.488319][ T1199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.488321][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.488326][ T1199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.488329][ T1199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.488331][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.488332][ 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)
[   54.488336][ T1199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.488338][ T1199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.488341][ T1199]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.488345][ T1199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.488347][ T1199]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   54.488353][ T1199]  _printk (kernel/printk/printk.c:2504)
[   54.488356][ T1199]  ? snapshot_read.cold (user.c:?)
[   54.488358][ T1199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.488361][ T1199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.488363][ T1199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.488366][ T1199]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.488370][ T1199]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.488372][ T1199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.488374][ T1199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.488377][ T1199]  ? netdev_notice (net/core/dev.c:13194)
[   54.488380][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.488383][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.488386][ T1199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.488389][ T1199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.488391][ T1199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.488393][ T1199]  ? register_netdev (net/core/dev.c:11618)
[   54.488395][ 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))
[   54.488400][ T1199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.488403][ T1199]  ? __kernel_text_address (kernel/extable.c:79)
[   54.488409][ T1199]  ? write_profile (profile.c:?)
[   54.488413][ T1199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.488419][ T1199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.488422][ T1199]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.488424][ T1199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.488425][ T1199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.488427][ T1199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.488431][ T1199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.488432][ T1199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.488434][ T1199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.488437][ T1199]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.488439][ T1199]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.488440][ T1199]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.488441][ T1199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   54.488443][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.488445][ T1199]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   54.488448][ T1199]  ? ___sys_sendmsg (net/socket.c:2758)
[   54.488452][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.488454][ T1199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.488456][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.488458][ T1199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.488460][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.488461][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.488463][ T1199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.488465][ 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)
[   54.488466][ T1199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.488468][ T1199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.488472][ T1199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.488473][ T1199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.488482][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.488485][ T1199]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.488490][ T1199]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.488495][ T1199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.488497][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.488502][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.488504][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.488506][ T1199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.488507][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.488511][ T1199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.488513][ T1199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.488517][ T1199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.488518][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.488522][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.488524][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.488528][ T1199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.488531][ T1199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.488534][ T1199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.488540][ 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))
[   54.488542][ 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))
[   54.488547][ T1199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.488551][ T1199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.488553][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.488558][ T1199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.488562][ T1199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.488565][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.488567][ T1199]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   54.488572][ T1199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   54.488575][ T1199]  ____sys_sendmsg (net/socket.c:2713)
[   54.488577][ T1199]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.488580][ T1199]  ? sock_write_iter (net/socket.c:1269)
[   54.488581][ T1199]  ? move_addr_to_kernel (net/socket.c:258)
[   54.488589][ T1199]  ___sys_sendmsg (net/socket.c:2767)
[   54.488591][ T1199]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.488607][ T1199]  __sys_sendmsg (net/socket.c:2799)
[   54.488610][ T1199]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.488616][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.488619][ T1199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.488623][ T1199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.488626][ T1199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.488628][ T1199] RIP: 0033:0x7f71cdf0554e
[   54.488632][ 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
[   54.488634][ T1199] RSP: 002b:00007ffdeb8fa1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.488637][ T1199] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f71cdf0554e
[   54.488638][ T1199] RDX: 0000000000000000 RSI: 00007ffdeb8fa2a0 RDI: 0000000000000005
[   54.488639][ T1199] RBP: 00007ffdeb8fa200 R08: 0000000000000000 R09: 0000000000000000
[   54.488640][ T1199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183b9
[   54.488641][ T1199] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdeb8fa970
| [   60.281699][ T1319] softirqs last disabled at (25992): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   60.281703][ T1319] Preemption disabled at:
| [   60.281703][ T1319] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.281715][ T1319] Tainted: [W]=WARN
[   60.281716][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.281718][ T1319] Call Trace:
[   60.281720][ T1319]  <TASK>
[   60.281722][ T1319]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.281730][ T1319]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.281733][ T1319]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.281739][ T1319]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.281745][ 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)
[   60.281751][ 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))
[   60.281755][ T1319]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.281764][ 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)
[   60.281768][ T1319]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.281773][ T1319]  put_chars (drivers/char/virtio_console.c:1176)
[   60.281777][ T1319]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.281789][ T1319]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.281800][ T1319]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.281806][ T1319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.281813][ T1319]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.281819][ T1319]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.281822][ 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))
[   60.281827][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.281830][ T1319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.281837][ T1319]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.281844][ T1319]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.281847][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.281856][ T1319]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.281860][ T1319]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.281863][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.281865][ 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)
[   60.281872][ T1319]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.281874][ T1319]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.281879][ T1319]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.281884][ T1319]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.281889][ T1319]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   60.281897][ T1319]  _printk (kernel/printk/printk.c:2504)
[   60.281902][ T1319]  ? snapshot_read.cold (user.c:?)
[   60.281904][ T1319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.281909][ T1319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.281913][ T1319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.281916][ T1319]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   60.281921][ T1319]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   60.281926][ T1319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.281929][ T1319]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   60.281933][ T1319]  ? netdev_notice (net/core/dev.c:13194)
[   60.281937][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.281942][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.281946][ T1319]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   60.281952][ T1319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.281955][ T1319]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   60.281959][ T1319]  ? register_netdev (net/core/dev.c:11618)
[   60.281961][ 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))
[   60.281969][ T1319]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   60.281973][ T1319]  ? __kernel_text_address (kernel/extable.c:79)
[   60.281976][ T1319]  ? write_profile (profile.c:?)
[   60.281982][ T1319]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   60.281991][ T1319]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.281996][ T1319]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   60.282000][ T1319]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   60.282002][ T1319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.282005][ T1319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.282009][ T1319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.282012][ T1319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.282015][ T1319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.282019][ T1319]  ? kasan_save_stack (mm/kasan/common.c:58)
[   60.282022][ T1319]  ? kasan_save_stack (mm/kasan/common.c:57)
[   60.282024][ T1319]  ? kasan_save_track (mm/kasan/common.c:78)
[   60.282026][ T1319]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   60.282029][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.282032][ T1319]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   60.282036][ T1319]  ? ___sys_sendmsg (net/socket.c:2758)
[   60.282043][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.282046][ T1319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.282050][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.282053][ T1319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.282055][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.282057][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.282060][ T1319]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   60.282064][ 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)
[   60.282066][ T1319]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   60.282069][ T1319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.282075][ T1319]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   60.282077][ T1319]  ? nla_get_range_signed (lib/nlattr.c:270)
[   60.282084][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.282088][ T1319]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   60.282098][ T1319]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.282107][ T1319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.282110][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.282118][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.282121][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.282124][ T1319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.282127][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.282133][ T1319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.282137][ T1319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.282142][ T1319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.282144][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.282152][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.282155][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.282161][ T1319]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.282165][ T1319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.282170][ T1319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.282181][ 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))
[   60.282183][ 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))
[   60.282191][ T1319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.282198][ T1319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.282202][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.282209][ T1319]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.282216][ T1319]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.282222][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.282225][ T1319]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   60.282233][ T1319]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   60.282237][ T1319]  ____sys_sendmsg (net/socket.c:2713)
[   60.282241][ T1319]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.282245][ T1319]  ? sock_write_iter (net/socket.c:1269)
[   60.282247][ T1319]  ? move_addr_to_kernel (net/socket.c:258)
[   60.282260][ T1319]  ___sys_sendmsg (net/socket.c:2767)
[   60.282264][ T1319]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.282293][ T1319]  __sys_sendmsg (net/socket.c:2799)
[   60.282298][ T1319]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.282309][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.282314][ T1319]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.282318][ T1319]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.282323][ T1319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.282326][ T1319] RIP: 0033:0x7fa8cba8854e
[   60.282332][ 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
[   60.282334][ T1319] RSP: 002b:00007fff145e05e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.282337][ T1319] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa8cba8854e
[   60.282339][ T1319] RDX: 0000000000000000 RSI: 00007fff145e0690 RDI: 0000000000000005
[   60.282341][ T1319] RBP: 00007fff145e05f0 R08: 0000000000000000 R09: 0000000000000000
[   60.282342][ T1319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183bf
[   60.282343][ T1319] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff145e0d60
| [   65.133599][ T1438] softirqs last disabled at (23270): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   65.133603][ T1438] Preemption disabled at:
| [   65.133604][ T1438] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.133615][ T1438] Tainted: [W]=WARN
[   65.133617][ T1438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.133619][ T1438] Call Trace:
[   65.133621][ T1438]  <TASK>
[   65.133624][ T1438]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.133631][ T1438]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.133634][ T1438]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.133641][ T1438]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.133647][ 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)
[   65.133654][ 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))
[   65.133657][ T1438]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.133667][ 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)
[   65.133671][ T1438]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.133677][ T1438]  put_chars (drivers/char/virtio_console.c:1176)
[   65.133681][ T1438]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.133693][ T1438]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.133705][ T1438]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.133711][ T1438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.133719][ T1438]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.133725][ T1438]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.133728][ 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))
[   65.133734][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.133738][ T1438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.133745][ T1438]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.133753][ T1438]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.133756][ T1438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.133766][ T1438]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.133771][ T1438]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.133774][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.133777][ 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)
[   65.133784][ T1438]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.133787][ T1438]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.133792][ T1438]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.133798][ T1438]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.133803][ T1438]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   65.133811][ T1438]  _printk (kernel/printk/printk.c:2504)
[   65.133816][ T1438]  ? snapshot_read.cold (user.c:?)
[   65.133819][ T1438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.133823][ T1438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.133827][ T1438]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.133831][ T1438]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.133836][ T1438]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.133841][ T1438]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.133845][ T1438]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.133849][ T1438]  ? netdev_notice (net/core/dev.c:13194)
[   65.133853][ T1438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.133859][ T1438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.133863][ T1438]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.133869][ T1438]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.133872][ T1438]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   65.133876][ T1438]  ? register_netdev (net/core/dev.c:11618)
[   65.133878][ 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))
[   65.133886][ T1438]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   65.133890][ T1438]  ? __kernel_text_address (kernel/extable.c:79)
[   65.133894][ T1438]  ? write_profile (profile.c:?)
[   65.133901][ T1438]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   65.133910][ T1438]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.133916][ T1438]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.133920][ T1438]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.133922][ T1438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.133925][ T1438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.133930][ T1438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.133934][ T1438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.133937][ T1438]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.133941][ T1438]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.133944][ T1438]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.133946][ T1438]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.133948][ T1438]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.133952][ T1438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.133955][ T1438]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   65.133959][ T1438]  ? ___sys_sendmsg (net/socket.c:2758)
[   65.133966][ T1438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.133969][ T1438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.133974][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.133977][ T1438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.133980][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.133982][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.133985][ T1438]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.133989][ 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)
[   65.133991][ T1438]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.133994][ T1438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.134001][ T1438]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.134003][ T1438]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.134011][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134015][ T1438]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.134025][ T1438]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.134035][ T1438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.134038][ T1438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.134046][ T1438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.134050][ T1438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.134053][ T1438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.134056][ T1438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.134063][ T1438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.134066][ T1438]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.134072][ T1438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.134075][ T1438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.134083][ T1438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.134086][ T1438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.134092][ T1438]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.134097][ T1438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.134102][ T1438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.134114][ 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))
[   65.134117][ 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))
[   65.134125][ T1438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.134132][ T1438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.134136][ T1438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.134144][ T1438]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.134151][ T1438]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.134158][ T1438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.134160][ T1438]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   65.134169][ T1438]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   65.134174][ T1438]  ____sys_sendmsg (net/socket.c:2713)
[   65.134178][ T1438]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.134181][ T1438]  ? sock_write_iter (net/socket.c:1269)
[   65.134184][ T1438]  ? move_addr_to_kernel (net/socket.c:258)
[   65.134198][ T1438]  ___sys_sendmsg (net/socket.c:2767)
[   65.134203][ T1438]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.134234][ T1438]  __sys_sendmsg (net/socket.c:2799)
[   65.134238][ T1438]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.134250][ T1438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134256][ T1438]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.134260][ T1438]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.134265][ T1438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.134268][ T1438] RIP: 0033:0x7f442107254e
[   65.134274][ 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
[   65.134276][ T1438] RSP: 002b:00007ffedcb6e790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.134280][ T1438] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f442107254e
[   65.134282][ T1438] RDX: 0000000000000000 RSI: 00007ffedcb6e840 RDI: 0000000000000005
[   65.134284][ T1438] RBP: 00007ffedcb6e7a0 R08: 0000000000000000 R09: 0000000000000000
[   65.134286][ T1438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183c4
[   65.134287][ T1438] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedcb6ef10
| [   70.835066][ T1555] softirqs last disabled at (21590): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   70.835069][ T1555] Preemption disabled at:
| [   70.835069][ T1555] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.835078][ T1555] Tainted: [W]=WARN
[   70.835079][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.835080][ T1555] Call Trace:
[   70.835082][ T1555]  <TASK>
[   70.835083][ T1555]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.835090][ T1555]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.835091][ T1555]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.835096][ T1555]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.835100][ 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)
[   70.835104][ 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))
[   70.835106][ T1555]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.835112][ 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)
[   70.835115][ T1555]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.835118][ T1555]  put_chars (drivers/char/virtio_console.c:1176)
[   70.835121][ T1555]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.835128][ T1555]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.835135][ T1555]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.835138][ T1555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.835143][ T1555]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.835147][ T1555]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.835149][ 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))
[   70.835152][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.835155][ T1555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.835158][ T1555]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.835163][ T1555]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.835164][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.835170][ T1555]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.835172][ T1555]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.835174][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.835176][ 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)
[   70.835180][ T1555]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.835181][ T1555]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.835184][ T1555]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.835187][ T1555]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.835190][ T1555]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   70.835195][ T1555]  _printk (kernel/printk/printk.c:2504)
[   70.835199][ T1555]  ? snapshot_read.cold (user.c:?)
[   70.835201][ T1555]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.835203][ T1555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.835206][ T1555]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.835208][ T1555]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.835212][ T1555]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.835215][ T1555]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.835217][ T1555]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.835220][ T1555]  ? netdev_notice (net/core/dev.c:13194)
[   70.835222][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.835225][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.835228][ T1555]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   70.835231][ T1555]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.835233][ T1555]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   70.835236][ T1555]  ? register_netdev (net/core/dev.c:11618)
[   70.835237][ 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))
[   70.835242][ T1555]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   70.835245][ T1555]  ? __kernel_text_address (kernel/extable.c:79)
[   70.835247][ T1555]  ? write_profile (profile.c:?)
[   70.835251][ T1555]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.835257][ T1555]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.835260][ T1555]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   70.835262][ T1555]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   70.835264][ T1555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.835265][ T1555]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.835269][ T1555]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.835271][ T1555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.835272][ T1555]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.835275][ T1555]  ? kasan_save_stack (mm/kasan/common.c:58)
[   70.835277][ T1555]  ? kasan_save_stack (mm/kasan/common.c:57)
[   70.835278][ T1555]  ? kasan_save_track (mm/kasan/common.c:78)
[   70.835279][ T1555]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.835281][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.835283][ T1555]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   70.835286][ T1555]  ? ___sys_sendmsg (net/socket.c:2758)
[   70.835290][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.835292][ T1555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.835294][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.835296][ T1555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.835297][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.835299][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.835300][ T1555]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.835303][ 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)
[   70.835304][ T1555]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.835306][ T1555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.835309][ T1555]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.835310][ T1555]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.835315][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.835317][ T1555]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   70.835322][ T1555]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.835328][ T1555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.835330][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.835334][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.835336][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.835338][ T1555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.835340][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.835343][ T1555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.835345][ T1555]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.835348][ T1555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.835350][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.835354][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.835356][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.835359][ T1555]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.835363][ T1555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.835366][ T1555]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.835372][ 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))
[   70.835374][ 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))
[   70.835378][ T1555]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.835382][ T1555]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.835385][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.835389][ T1555]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.835393][ T1555]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.835396][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.835398][ T1555]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   70.835403][ T1555]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   70.835410][ T1555]  ____sys_sendmsg (net/socket.c:2713)
[   70.835412][ T1555]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.835414][ T1555]  ? sock_write_iter (net/socket.c:1269)
[   70.835416][ T1555]  ? move_addr_to_kernel (net/socket.c:258)
[   70.835423][ T1555]  ___sys_sendmsg (net/socket.c:2767)
[   70.835426][ T1555]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.835442][ T1555]  __sys_sendmsg (net/socket.c:2799)
[   70.835444][ T1555]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.835451][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.835454][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.835457][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.835460][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.835462][ T1555] RIP: 0033:0x7f7e1966754e
[   70.835466][ 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
[   70.835467][ T1555] RSP: 002b:00007ffff255dee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.835470][ T1555] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7e1966754e
[   70.835471][ T1555] RDX: 0000000000000000 RSI: 00007ffff255df90 RDI: 0000000000000005
[   70.835472][ T1555] RBP: 00007ffff255def0 R08: 0000000000000000 R09: 0000000000000000
[   70.835473][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183ca
[   70.835474][ T1555] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff255e660
| [   77.530068][ T1676] softirqs last disabled at (18448): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   77.530070][ T1676] Preemption disabled at:
| [   77.530071][ T1676] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.530080][ T1676] Tainted: [W]=WARN
[   77.530080][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.530082][ T1676] Call Trace:
[   77.530084][ T1676]  <TASK>
[   77.530085][ T1676]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.530092][ T1676]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.530094][ T1676]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.530098][ T1676]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.530102][ 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)
[   77.530106][ 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))
[   77.530108][ T1676]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.530115][ 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)
[   77.530118][ T1676]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.530122][ T1676]  put_chars (drivers/char/virtio_console.c:1176)
[   77.530124][ T1676]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.530130][ T1676]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.530138][ T1676]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.530141][ T1676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.530145][ T1676]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.530149][ T1676]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.530151][ 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))
[   77.530155][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.530157][ T1676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.530161][ T1676]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.530165][ T1676]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.530167][ T1676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.530173][ T1676]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.530175][ T1676]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.530177][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.530179][ 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)
[   77.530183][ T1676]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.530184][ T1676]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.530187][ T1676]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.530190][ T1676]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.530193][ T1676]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   77.530198][ T1676]  _printk (kernel/printk/printk.c:2504)
[   77.530202][ T1676]  ? snapshot_read.cold (user.c:?)
[   77.530204][ T1676]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.530206][ T1676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.530209][ T1676]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.530211][ T1676]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.530215][ T1676]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.530218][ T1676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.530220][ T1676]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.530223][ T1676]  ? netdev_notice (net/core/dev.c:13194)
[   77.530226][ T1676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.530229][ T1676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.530231][ T1676]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   77.530235][ T1676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.530237][ T1676]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   77.530239][ T1676]  ? register_netdev (net/core/dev.c:11618)
[   77.530240][ 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))
[   77.530246][ T1676]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   77.530248][ T1676]  ? __kernel_text_address (kernel/extable.c:79)
[   77.530251][ T1676]  ? write_profile (profile.c:?)
[   77.530255][ T1676]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   77.530260][ T1676]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.530264][ T1676]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   77.530266][ T1676]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   77.530267][ T1676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.530269][ T1676]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.530272][ T1676]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.530274][ T1676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.530276][ T1676]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.530278][ T1676]  ? kasan_save_stack (mm/kasan/common.c:58)
[   77.530280][ T1676]  ? kasan_save_stack (mm/kasan/common.c:57)
[   77.530281][ T1676]  ? kasan_save_track (mm/kasan/common.c:78)
[   77.530283][ T1676]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.530285][ T1676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.530287][ T1676]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   77.530290][ T1676]  ? ___sys_sendmsg (net/socket.c:2758)
[   77.530294][ T1676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.530296][ T1676]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.530298][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.530300][ T1676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.530302][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.530303][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.530304][ T1676]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   77.530307][ 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)
[   77.530308][ T1676]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   77.530310][ T1676]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.530313][ T1676]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   77.530314][ T1676]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.530319][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.530321][ T1676]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   77.530326][ T1676]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.530332][ T1676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.530334][ T1676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.530338][ T1676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.530340][ T1676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.530342][ T1676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.530344][ T1676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.530347][ T1676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.530349][ T1676]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.530352][ T1676]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.530354][ T1676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.530358][ T1676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.530360][ T1676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.530363][ T1676]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.530367][ T1676]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.530370][ T1676]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.530376][ 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))
[   77.530378][ 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))
[   77.530383][ T1676]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.530387][ T1676]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.530389][ T1676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.530394][ T1676]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.530397][ T1676]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.530401][ T1676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.530403][ T1676]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   77.530412][ T1676]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.530415][ T1676]  ____sys_sendmsg (net/socket.c:2713)
[   77.530417][ T1676]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.530419][ T1676]  ? sock_write_iter (net/socket.c:1269)
[   77.530421][ T1676]  ? move_addr_to_kernel (net/socket.c:258)
[   77.530428][ T1676]  ___sys_sendmsg (net/socket.c:2767)
[   77.530431][ T1676]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.530447][ T1676]  __sys_sendmsg (net/socket.c:2799)
[   77.530450][ T1676]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.530456][ T1676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.530459][ T1676]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.530462][ T1676]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.530465][ T1676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.530467][ T1676] RIP: 0033:0x7f01f413054e
[   77.530471][ 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
[   77.530473][ T1676] RSP: 002b:00007ffdbf9aded0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.530475][ T1676] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f01f413054e
[   77.530477][ T1676] RDX: 0000000000000000 RSI: 00007ffdbf9adf80 RDI: 0000000000000005
[   77.530478][ T1676] RBP: 00007ffdbf9adee0 R08: 0000000000000000 R09: 0000000000000000
[   77.530479][ T1676] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183d0
[   77.530479][ T1676] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbf9ae650
| [   83.721183][ T1811] softirqs last disabled at (20434): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   83.721186][ T1811] Preemption disabled at:
| [   83.721186][ T1811] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.721195][ T1811] Tainted: [W]=WARN
[   83.721196][ T1811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.721198][ T1811] Call Trace:
[   83.721200][ T1811]  <TASK>
[   83.721202][ T1811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.721208][ T1811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.721210][ T1811]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.721214][ T1811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.721219][ 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)
[   83.721223][ 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))
[   83.721225][ T1811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.721233][ 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)
[   83.721236][ T1811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.721240][ T1811]  put_chars (drivers/char/virtio_console.c:1176)
[   83.721242][ T1811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.721248][ T1811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.721256][ T1811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.721259][ T1811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.721263][ T1811]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.721267][ T1811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.721269][ 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))
[   83.721272][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.721275][ T1811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.721279][ T1811]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.721283][ T1811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.721285][ T1811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.721290][ T1811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.721293][ T1811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.721295][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.721296][ 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)
[   83.721300][ T1811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.721302][ T1811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.721304][ T1811]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.721307][ T1811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.721310][ T1811]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   83.721315][ T1811]  _printk (kernel/printk/printk.c:2504)
[   83.721319][ T1811]  ? snapshot_read.cold (user.c:?)
[   83.721320][ T1811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.721323][ T1811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.721325][ T1811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.721327][ T1811]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   83.721331][ T1811]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   83.721334][ T1811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   83.721336][ T1811]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   83.721339][ T1811]  ? netdev_notice (net/core/dev.c:13194)
[   83.721342][ T1811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.721345][ T1811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.721347][ T1811]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   83.721351][ T1811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   83.721353][ T1811]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   83.721355][ T1811]  ? register_netdev (net/core/dev.c:11618)
[   83.721356][ 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))
[   83.721361][ T1811]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   83.721364][ T1811]  ? __kernel_text_address (kernel/extable.c:79)
[   83.721366][ T1811]  ? write_profile (profile.c:?)
[   83.721370][ T1811]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   83.721376][ T1811]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   83.721379][ T1811]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   83.721381][ T1811]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   83.721383][ T1811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.721385][ T1811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.721388][ T1811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.721390][ T1811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.721392][ T1811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.721394][ T1811]  ? kasan_save_stack (mm/kasan/common.c:58)
[   83.721396][ T1811]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.721397][ T1811]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.721398][ T1811]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   83.721401][ T1811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.721402][ T1811]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   83.721409][ T1811]  ? ___sys_sendmsg (net/socket.c:2758)
[   83.721413][ T1811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.721415][ T1811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.721417][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.721419][ T1811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.721421][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.721422][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.721423][ T1811]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   83.721425][ 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)
[   83.721427][ T1811]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   83.721429][ T1811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.721432][ T1811]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   83.721433][ T1811]  ? nla_get_range_signed (lib/nlattr.c:270)
[   83.721438][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.721440][ T1811]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   83.721446][ T1811]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.721451][ T1811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.721453][ T1811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.721457][ T1811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.721459][ T1811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.721461][ T1811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.721463][ T1811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.721466][ T1811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.721468][ T1811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.721471][ T1811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.721473][ T1811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.721477][ T1811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.721479][ T1811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.721482][ T1811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.721486][ T1811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.721488][ T1811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.721495][ 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))
[   83.721497][ 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))
[   83.721501][ T1811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.721505][ T1811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.721507][ T1811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.721512][ T1811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.721515][ T1811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   83.721519][ T1811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.721521][ T1811]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   83.721526][ T1811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   83.721529][ T1811]  ____sys_sendmsg (net/socket.c:2713)
[   83.721531][ T1811]  ? copy_msghdr_from_user (net/socket.c:2650)
[   83.721533][ T1811]  ? sock_write_iter (net/socket.c:1269)
[   83.721535][ T1811]  ? move_addr_to_kernel (net/socket.c:258)
[   83.721542][ T1811]  ___sys_sendmsg (net/socket.c:2767)
[   83.721545][ T1811]  ? copy_msghdr_from_user (net/socket.c:2619)
[   83.721564][ T1811]  __sys_sendmsg (net/socket.c:2799)
[   83.721567][ T1811]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   83.721573][ T1811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.721576][ T1811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.721579][ T1811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   83.721582][ T1811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.721584][ T1811] RIP: 0033:0x7fdf54f1b54e
[   83.721588][ 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
[   83.721590][ T1811] RSP: 002b:00007ffdb9922c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.721593][ T1811] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdf54f1b54e
[   83.721594][ T1811] RDX: 0000000000000000 RSI: 00007ffdb9922d20 RDI: 0000000000000005
[   83.721595][ T1811] RBP: 00007ffdb9922c80 R08: 0000000000000000 R09: 0000000000000000
[   83.721596][ T1811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183d7
[   83.721597][ T1811] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb99233f0
| [   87.216235][   T12] softirqs last disabled at (1631132): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   87.216237][   T12] Preemption disabled at:
| [   87.216238][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.216247][   T12] Tainted: [W]=WARN
[   87.216248][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.216250][   T12] Workqueue: netns cleanup_net
[   87.216253][   T12] Call Trace:
[   87.216254][   T12]  <TASK>
[   87.216256][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.216263][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.216264][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.216269][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.216274][   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)
[   87.216279][   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))
[   87.216281][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.216288][   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)
[   87.216291][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.216295][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   87.216297][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.216299][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.216302][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.216305][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.216311][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.216315][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.216320][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.216324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.216329][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.216333][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.216335][   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))
[   87.216339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.216340][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.216345][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.216349][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.216351][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.216357][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.216360][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.216362][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.216364][   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)
[   87.216368][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.216369][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.216372][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.216376][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.216377][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   87.216379][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   87.216381][   T12]  ? kthread (kernel/kthread.c:436)
[   87.216383][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   87.216387][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   87.216392][   T12]  _printk (kernel/printk/printk.c:2504)
[   87.216396][   T12]  ? snapshot_read.cold (user.c:?)
[   87.216400][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   87.216408][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   87.216413][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   87.216416][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   87.216421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.216422][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   87.216425][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   87.216427][   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)
[   87.216430][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   87.216434][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   87.216438][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   87.216442][   T12]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   87.216444][   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))
[   87.216449][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   87.216453][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   87.216456][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   87.216460][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   87.216464][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.216465][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.216469][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   87.216474][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   87.216477][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.216481][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.216483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.216486][   T12]  process_one_work (kernel/workqueue.c:3387)
[   87.216493][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   87.216496][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.216505][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   87.216512][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   87.216514][   T12]  kthread (kernel/kthread.c:436)
[   87.216516][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.216520][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   87.216523][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.216526][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   87.216529][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.216533][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   87.216536][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.320353][ T1957] softirqs last disabled at (24338): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   89.320356][ T1957] Preemption disabled at:
| [   89.320357][ T1957] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.320365][ T1957] Tainted: [W]=WARN
[   89.320366][ T1957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.320368][ T1957] Call Trace:
[   89.320369][ T1957]  <TASK>
[   89.320371][ T1957]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.320377][ T1957]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.320379][ T1957]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.320383][ T1957]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.320387][ 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)
[   89.320392][ 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))
[   89.320394][ T1957]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.320400][ 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)
[   89.320403][ T1957]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.320410][ T1957]  put_chars (drivers/char/virtio_console.c:1176)
[   89.320413][ T1957]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.320419][ T1957]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.320427][ T1957]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.320430][ T1957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.320434][ T1957]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.320438][ T1957]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.320440][ 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))
[   89.320444][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.320446][ T1957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.320450][ T1957]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.320454][ T1957]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.320456][ T1957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.320462][ T1957]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.320465][ T1957]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.320466][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.320468][ 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)
[   89.320472][ T1957]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.320474][ T1957]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.320476][ T1957]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.320479][ T1957]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.320482][ T1957]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   89.320487][ T1957]  _printk (kernel/printk/printk.c:2504)
[   89.320491][ T1957]  ? snapshot_read.cold (user.c:?)
[   89.320493][ T1957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.320495][ T1957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.320498][ T1957]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.320500][ T1957]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.320504][ T1957]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.320507][ T1957]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.320509][ T1957]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.320512][ T1957]  ? netdev_notice (net/core/dev.c:13194)
[   89.320515][ T1957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.320518][ T1957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.320521][ T1957]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   89.320524][ T1957]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.320526][ T1957]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   89.320528][ T1957]  ? register_netdev (net/core/dev.c:11618)
[   89.320530][ 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))
[   89.320535][ T1957]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   89.320538][ T1957]  ? __kernel_text_address (kernel/extable.c:79)
[   89.320540][ T1957]  ? write_profile (profile.c:?)
[   89.320544][ T1957]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   89.320551][ T1957]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.320554][ T1957]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.320556][ T1957]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.320558][ T1957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.320559][ T1957]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.320563][ T1957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.320565][ T1957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.320567][ T1957]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.320569][ T1957]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.320571][ T1957]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.320572][ T1957]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.320574][ T1957]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.320582][ T1957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.320584][ T1957]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   89.320587][ T1957]  ? ___sys_sendmsg (net/socket.c:2758)
[   89.320591][ T1957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.320593][ T1957]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.320595][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.320597][ T1957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.320599][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.320600][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.320602][ T1957]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.320604][ 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)
[   89.320605][ T1957]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.320607][ T1957]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.320611][ T1957]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.320612][ T1957]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.320617][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.320619][ T1957]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.320624][ T1957]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.320630][ T1957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.320632][ T1957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.320636][ T1957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.320638][ T1957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.320640][ T1957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.320642][ T1957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.320645][ T1957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.320648][ T1957]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.320651][ T1957]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.320652][ T1957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.320657][ T1957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.320658][ T1957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.320662][ T1957]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.320665][ T1957]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.320668][ T1957]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.320674][ 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))
[   89.320676][ 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))
[   89.320681][ T1957]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.320685][ T1957]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.320687][ T1957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.320692][ T1957]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.320696][ T1957]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.320699][ T1957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.320701][ T1957]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   89.320706][ T1957]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.320709][ T1957]  ____sys_sendmsg (net/socket.c:2713)
[   89.320711][ T1957]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.320714][ T1957]  ? sock_write_iter (net/socket.c:1269)
[   89.320715][ T1957]  ? move_addr_to_kernel (net/socket.c:258)
[   89.320723][ T1957]  ___sys_sendmsg (net/socket.c:2767)
[   89.320725][ T1957]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.320741][ T1957]  __sys_sendmsg (net/socket.c:2799)
[   89.320744][ T1957]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.320750][ T1957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.320753][ T1957]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.320756][ T1957]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.320759][ T1957]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.320761][ T1957] RIP: 0033:0x7f33b44ae54e
[   89.320765][ 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
[   89.320767][ T1957] RSP: 002b:00007fffd7f49b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.320769][ T1957] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f33b44ae54e
[   89.320771][ T1957] RDX: 0000000000000000 RSI: 00007fffd7f49bd0 RDI: 0000000000000005
[   89.320772][ T1957] RBP: 00007fffd7f49b30 R08: 0000000000000000 R09: 0000000000000000
[   89.320773][ T1957] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183dc
[   89.320773][ T1957] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd7f4a2a0
| [   93.629698][   T12] softirqs last disabled at (1808794): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   93.629701][   T12] Preemption disabled at:
| [   93.629701][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.629710][   T12] Tainted: [W]=WARN
[   93.629711][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.629713][   T12] Workqueue: netns cleanup_net
[   93.629717][   T12] Call Trace:
[   93.629718][   T12]  <TASK>
[   93.629720][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.629726][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.629728][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.629733][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.629737][   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)
[   93.629742][   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))
[   93.629744][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.629750][   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)
[   93.629753][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.629757][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   93.629760][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.629761][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   93.629765][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.629767][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   93.629773][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.629777][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.629782][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.629785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.629790][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.629794][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.629796][   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))
[   93.629799][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.629801][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.629805][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.629810][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.629812][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.629817][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.629820][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.629822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.629824][   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)
[   93.629828][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.629829][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.629832][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.629836][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.629837][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   93.629839][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   93.629841][   T12]  ? kthread (kernel/kthread.c:436)
[   93.629843][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   93.629846][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   93.629851][   T12]  _printk (kernel/printk/printk.c:2504)
[   93.629855][   T12]  ? snapshot_read.cold (user.c:?)
[   93.629862][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.629867][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.629871][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.629874][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   93.629878][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.629880][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   93.629883][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   93.629885][   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)
[   93.629888][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   93.629892][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   93.629896][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   93.629899][   T12]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   93.629901][   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))
[   93.629906][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   93.629910][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   93.629913][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   93.629917][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   93.629921][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   93.629922][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.629925][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   93.629930][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   93.629933][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   93.629937][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.629939][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.629943][   T12]  process_one_work (kernel/workqueue.c:3387)
[   93.629950][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   93.629953][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   93.629961][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   93.629968][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   93.629970][   T12]  kthread (kernel/kthread.c:436)
[   93.629972][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.629975][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   93.629978][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   93.629981][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   93.629985][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   93.629988][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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