======================================
| [   11.335118][  T259] softirqs last disabled at (43290): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.335120][  T259] Preemption disabled at:
| [   11.335121][  T259] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.335130][  T259] Tainted: [W]=WARN
[   11.335131][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.335132][  T259] Call Trace:
[   11.335134][  T259]  <TASK>
[   11.335135][  T259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.335141][  T259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.335143][  T259]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.335147][  T259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.335151][  T259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.335156][  T259]  __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))
[   11.335157][  T259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.335164][  T259]  ? 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)
[   11.335167][  T259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.335170][  T259]  put_chars (drivers/char/virtio_console.c:1176)
[   11.335173][  T259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.335179][  T259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.335187][  T259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.335190][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.335195][  T259]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.335198][  T259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.335200][  T259]  ? 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))
[   11.335203][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.335206][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.335210][  T259]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.335214][  T259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.335216][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.335221][  T259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.335224][  T259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.335226][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.335228][  T259]  ? 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)
[   11.335231][  T259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.335233][  T259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.335236][  T259]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.335239][  T259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.335241][  T259]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.335245][  T259]  _printk (kernel/printk/printk.c:2504)
[   11.335249][  T259]  ? snapshot_read.cold (user.c:?)
[   11.335252][  T259]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.335254][  T259]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.335258][  T259]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.335261][  T259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.335263][  T259]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.335265][  T259]  ? netdev_notice (net/core/dev.c:13194)
[   11.335268][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.335271][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.335274][  T259]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.335277][  T259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.335279][  T259]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.335281][  T259]  ? register_netdev (net/core/dev.c:11618)
[   11.335283][  T259]  ? 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))
[   11.335288][  T259]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.335290][  T259]  ? __kernel_text_address (kernel/extable.c:79)
[   11.335293][  T259]  ? write_profile (profile.c:?)
[   11.335297][  T259]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.335303][  T259]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.335306][  T259]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.335308][  T259]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.335309][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.335312][  T259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.335318][  T259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.335320][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.335322][  T259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.335325][  T259]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.335327][  T259]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.335328][  T259]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.335329][  T259]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.335332][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.335334][  T259]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.335337][  T259]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.335340][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.335342][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.335345][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.335347][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.335348][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.335349][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.335351][  T259]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.335353][  T259]  ? __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)
[   11.335356][  T259]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.335358][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.335361][  T259]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.335362][  T259]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.335367][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.335369][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.335375][  T259]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.335380][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.335386][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.335391][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.335392][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.335394][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.335396][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.335400][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.335402][  T259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.335405][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.335406][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.335411][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.335413][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.335416][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.335420][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.335423][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.335429][  T259]  ? 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))
[   11.335431][  T259]  ? 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))
[   11.335436][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.335440][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.335442][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.335446][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.335450][  T259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.335454][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.335456][  T259]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.335461][  T259]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.335464][  T259]  ____sys_sendmsg (net/socket.c:2713)
[   11.335466][  T259]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.335468][  T259]  ? sock_write_iter (net/socket.c:1269)
[   11.335470][  T259]  ? move_addr_to_kernel (net/socket.c:258)
[   11.335477][  T259]  ___sys_sendmsg (net/socket.c:2767)
[   11.335480][  T259]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.335496][  T259]  __sys_sendmsg (net/socket.c:2799)
[   11.335499][  T259]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.335506][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.335509][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.335511][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.335514][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.335516][  T259] RIP: 0033:0x7fa2270a454e
[   11.335520][  T259] 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
[   11.335522][  T259] RSP: 002b:00007fff45fff110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.335524][  T259] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa2270a454e
[   11.335526][  T259] RDX: 0000000000000000 RSI: 00007fff45fff1c0 RDI: 0000000000000005
[   11.335527][  T259] RBP: 00007fff45fff120 R08: 0000000000000000 R09: 0000000000000000
[   11.335527][  T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a35
[   11.335528][  T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff45fff880
| [   12.479710][  T280] softirqs last disabled at (40748): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.479712][  T280] Preemption disabled at:
| [   12.479713][  T280] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.479721][  T280] Tainted: [W]=WARN
[   12.479722][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.479724][  T280] Call Trace:
[   12.479725][  T280]  <TASK>
[   12.479727][  T280]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.479732][  T280]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.479734][  T280]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.479738][  T280]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.479742][  T280]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.479747][  T280]  __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))
[   12.479749][  T280]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.479755][  T280]  ? 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)
[   12.479758][  T280]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.479762][  T280]  put_chars (drivers/char/virtio_console.c:1176)
[   12.479764][  T280]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.479766][  T280]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.479769][  T280]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.479775][  T280]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.479782][  T280]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.479785][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479787][  T280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.479791][  T280]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.479795][  T280]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.479797][  T280]  ? 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))
[   12.479800][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479802][  T280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.479806][  T280]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.479810][  T280]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.479812][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479817][  T280]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.479820][  T280]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.479822][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479824][  T280]  ? 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)
[   12.479827][  T280]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.479829][  T280]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.479832][  T280]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.479835][  T280]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.479837][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.479839][  T280]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.479843][  T280]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.479847][  T280]  _printk (kernel/printk/printk.c:2504)
[   12.479850][  T280]  ? snapshot_read.cold (user.c:?)
[   12.479854][  T280]  ? br_multicast_flood (??:?)
[   12.479857][  T280]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.479858][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.479859][  T280]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.479864][  T280]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.479868][  T280]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.479871][  T280]  new_nbp (net/bridge/br_if.c:449)
[   12.479874][  T280]  br_add_if (net/bridge/br_if.c:592)
[   12.479877][  T280]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.479880][  T280]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.479886][  T280]  do_set_master (net/core/rtnetlink.c:3071)
[   12.479890][  T280]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.479893][  T280]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.479897][  T280]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.479898][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.479901][  T280]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.479904][  T280]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.479906][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.479908][  T280]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.479910][  T280]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.479912][  T280]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.479914][  T280]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.479915][  T280]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.479917][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479919][  T280]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.479922][  T280]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.479926][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.479928][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.479930][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479932][  T280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.479933][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479935][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479936][  T280]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.479938][  T280]  ? __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)
[   12.479940][  T280]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.479942][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.479945][  T280]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.479946][  T280]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.479951][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479953][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.479959][  T280]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.479964][  T280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.479966][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479971][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.479973][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.479975][  T280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.479977][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.479981][  T280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.479983][  T280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.479986][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.479987][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479992][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.479994][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.479997][  T280]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.480000][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.480003][  T280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.480010][  T280]  ? 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))
[   12.480012][  T280]  ? 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))
[   12.480016][  T280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.480020][  T280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.480023][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.480027][  T280]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.480031][  T280]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.480035][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.480037][  T280]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.480042][  T280]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.480045][  T280]  ____sys_sendmsg (net/socket.c:2713)
[   12.480047][  T280]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.480050][  T280]  ? sock_write_iter (net/socket.c:1269)
[   12.480051][  T280]  ? move_addr_to_kernel (net/socket.c:258)
[   12.480059][  T280]  ___sys_sendmsg (net/socket.c:2767)
[   12.480062][  T280]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.480078][  T280]  __sys_sendmsg (net/socket.c:2799)
[   12.480081][  T280]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.480088][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.480091][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.480094][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.480097][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.480099][  T280] RIP: 0033:0x7fbea3fb854e
[   12.480103][  T280] 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
[   12.480104][  T280] RSP: 002b:00007ffea4d65070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.480107][  T280] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbea3fb854e
[   12.480108][  T280] RDX: 0000000000000000 RSI: 00007ffea4d65120 RDI: 0000000000000005
[   12.480109][  T280] RBP: 00007ffea4d65080 R08: 0000000000000000 R09: 0000000000000000
[   12.480110][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a36
[   12.480111][  T280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea4d657e0
| [   17.280372][   T12] softirqs last disabled at (33108): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   17.280374][   T12] Preemption disabled at:
| [   17.280374][   T12] 0x0
| [   17.280384][   T12] Tainted: [W]=WARN
[   17.280385][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.280387][   T12] Workqueue: netns cleanup_net
[   17.280390][   T12] Call Trace:
[   17.280391][   T12]  <TASK>
[   17.280393][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.280400][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.280404][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.280408][   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)
[   17.280417][   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))
[   17.280419][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.280426][   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)
[   17.280429][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.280433][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   17.280435][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.280442][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.280450][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.280454][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.280459][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.280463][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.280465][   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))
[   17.280468][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.280471][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.280475][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.280480][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.280481][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.280488][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.280490][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.280492][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.280494][   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)
[   17.280498][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.280500][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.280503][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.280506][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.280507][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.280513][   T12]  _printk (kernel/printk/printk.c:2504)
[   17.280517][   T12]  ? snapshot_read.cold (user.c:?)
[   17.280525][   T12]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   17.280530][   T12]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   17.280534][   T12]  br_device_event (net/bridge/br.c:111)
[   17.280536][   T12]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   17.280540][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[   17.280547][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   17.280553][   T12]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   17.280556][   T12]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   17.280559][   T12]  ? __dev_close_many (net/core/dev.c:1804)
[   17.280563][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   17.280567][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   17.280570][   T12]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   17.280572][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   17.280574][   T12]  ? kthread (kernel/kthread.c:436)
[   17.280576][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   17.280578][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   17.280581][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   17.280590][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   17.280593][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   17.280596][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.280599][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   17.280603][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   17.280607][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.280610][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.280611][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.280615][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   17.280620][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   17.280623][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.280627][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.280629][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.280633][   T12]  process_one_work (kernel/workqueue.c:3387)
[   17.280640][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   17.280643][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.280651][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   17.280659][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   17.280661][   T12]  kthread (kernel/kthread.c:436)
[   17.280663][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.280666][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   17.280670][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.280672][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   17.280676][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.280679][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   17.280682][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.426084][  T397] softirqs last disabled at (47444): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.426086][  T397] Preemption disabled at:
| [   20.426087][  T397] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.426095][  T397] Tainted: [W]=WARN
[   20.426096][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.426097][  T397] Call Trace:
[   20.426099][  T397]  <TASK>
[   20.426100][  T397]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.426106][  T397]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.426107][  T397]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.426112][  T397]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.426116][  T397]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.426120][  T397]  __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))
[   20.426122][  T397]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.426128][  T397]  ? 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)
[   20.426131][  T397]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.426135][  T397]  put_chars (drivers/char/virtio_console.c:1176)
[   20.426137][  T397]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.426144][  T397]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.426151][  T397]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.426154][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.426159][  T397]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.426163][  T397]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.426165][  T397]  ? 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))
[   20.426168][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.426170][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.426174][  T397]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.426179][  T397]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.426180][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.426186][  T397]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.426189][  T397]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.426191][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.426192][  T397]  ? 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)
[   20.426196][  T397]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.426198][  T397]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.426200][  T397]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.426204][  T397]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.426206][  T397]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   20.426211][  T397]  _printk (kernel/printk/printk.c:2504)
[   20.426215][  T397]  ? snapshot_read.cold (user.c:?)
[   20.426217][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.426219][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.426222][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.426224][  T397]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.426228][  T397]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.426230][  T397]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.426233][  T397]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.426235][  T397]  ? netdev_notice (net/core/dev.c:13194)
[   20.426238][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.426241][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.426244][  T397]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.426247][  T397]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.426249][  T397]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.426251][  T397]  ? register_netdev (net/core/dev.c:11618)
[   20.426253][  T397]  ? 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))
[   20.426258][  T397]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.426261][  T397]  ? __kernel_text_address (kernel/extable.c:79)
[   20.426263][  T397]  ? write_profile (profile.c:?)
[   20.426267][  T397]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.426273][  T397]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.426276][  T397]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.426278][  T397]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.426279][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.426281][  T397]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.426284][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.426286][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.426288][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.426290][  T397]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.426292][  T397]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.426293][  T397]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.426294][  T397]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.426297][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.426299][  T397]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   20.426302][  T397]  ? ___sys_sendmsg (net/socket.c:2758)
[   20.426305][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.426307][  T397]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.426310][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.426312][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.426313][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.426314][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.426318][  T397]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.426321][  T397]  ? __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)
[   20.426322][  T397]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.426324][  T397]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.426327][  T397]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.426328][  T397]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.426333][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.426335][  T397]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.426341][  T397]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.426346][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.426348][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.426353][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.426354][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.426356][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.426358][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.426362][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.426364][  T397]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.426367][  T397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.426368][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.426373][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.426375][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.426378][  T397]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.426381][  T397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.426384][  T397]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.426390][  T397]  ? 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))
[   20.426392][  T397]  ? 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))
[   20.426397][  T397]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.426401][  T397]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.426404][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.426408][  T397]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.426412][  T397]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.426416][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.426417][  T397]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   20.426423][  T397]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.426425][  T397]  ____sys_sendmsg (net/socket.c:2713)
[   20.426428][  T397]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.426433][  T397]  ? sock_write_iter (net/socket.c:1269)
[   20.426435][  T397]  ? move_addr_to_kernel (net/socket.c:258)
[   20.426442][  T397]  ___sys_sendmsg (net/socket.c:2767)
[   20.426445][  T397]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.426462][  T397]  __sys_sendmsg (net/socket.c:2799)
[   20.426464][  T397]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.426471][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.426474][  T397]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.426477][  T397]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.426480][  T397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.426482][  T397] RIP: 0033:0x7f7ee9c4c54e
[   20.426485][  T397] 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
[   20.426487][  T397] RSP: 002b:00007ffc0053ee50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.426489][  T397] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7ee9c4c54e
[   20.426491][  T397] RDX: 0000000000000000 RSI: 00007ffc0053ef00 RDI: 0000000000000005
[   20.426492][  T397] RBP: 00007ffc0053ee60 R08: 0000000000000000 R09: 0000000000000000
[   20.426493][  T397] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a3e
[   20.426493][  T397] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0053f5c0
| [   21.486739][  T420] softirqs last disabled at (16038): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.486741][  T420] Preemption disabled at:
| [   21.486742][  T420] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.486750][  T420] Tainted: [W]=WARN
[   21.486751][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.486752][  T420] Call Trace:
[   21.486754][  T420]  <TASK>
[   21.486755][  T420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.486761][  T420]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.486763][  T420]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.486767][  T420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.486771][  T420]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.486775][  T420]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.486777][  T420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.486784][  T420]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.486787][  T420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.486791][  T420]  put_chars (drivers/char/virtio_console.c:1176)
[   21.486793][  T420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.486794][  T420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.486798][  T420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.486803][  T420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.486811][  T420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.486814][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.486816][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.486820][  T420]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.486824][  T420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.486826][  T420]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.486829][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.486831][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.486835][  T420]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.486839][  T420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.486841][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.486846][  T420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.486849][  T420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.486851][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.486853][  T420]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.486857][  T420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.486858][  T420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.486861][  T420]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.486864][  T420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.486866][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.486869][  T420]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.486872][  T420]  _printk (kernel/printk/printk.c:2504)
[   21.486876][  T420]  ? snapshot_read.cold (user.c:?)
[   21.486880][  T420]  ? br_multicast_flood (??:?)
[   21.486883][  T420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.486884][  T420]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.486885][  T420]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.486890][  T420]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   21.486894][  T420]  br_init_port (net/bridge/br_stp_if.c:39)
[   21.486897][  T420]  new_nbp (net/bridge/br_if.c:449)
[   21.486900][  T420]  br_add_if (net/bridge/br_if.c:592)
[   21.486903][  T420]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.486906][  T420]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.486912][  T420]  do_set_master (net/core/rtnetlink.c:3071)
[   21.486915][  T420]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.486919][  T420]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.486922][  T420]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.486923][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.486926][  T420]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.486929][  T420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.486931][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.486933][  T420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.486935][  T420]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.486937][  T420]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.486938][  T420]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.486940][  T420]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.486942][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.486944][  T420]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   21.486946][  T420]  ? ___sys_sendmsg (net/socket.c:2758)
[   21.486950][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.486952][  T420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.486955][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.486956][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.486958][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.486959][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.486961][  T420]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.486963][  T420]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   21.486966][  T420]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.486967][  T420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.486971][  T420]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.486972][  T420]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.486977][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.486979][  T420]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.486985][  T420]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.486990][  T420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.486992][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.486997][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.486999][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.487001][  T420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.487003][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.487007][  T420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.487009][  T420]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.487012][  T420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.487013][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.487018][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.487020][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.487023][  T420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.487026][  T420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.487029][  T420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.487036][  T420]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.487038][  T420]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.487042][  T420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.487046][  T420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.487049][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.487053][  T420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.487057][  T420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.487061][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.487063][  T420]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   21.487068][  T420]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.487071][  T420]  ____sys_sendmsg (net/socket.c:2713)
[   21.487073][  T420]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.487076][  T420]  ? sock_write_iter (net/socket.c:1269)
[   21.487077][  T420]  ? move_addr_to_kernel (net/socket.c:258)
[   21.487085][  T420]  ___sys_sendmsg (net/socket.c:2767)
[   21.487088][  T420]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.487105][  T420]  __sys_sendmsg (net/socket.c:2799)
[   21.487107][  T420]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.487114][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.487117][  T420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.487120][  T420]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.487123][  T420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.487125][  T420] RIP: 0033:0x7f2aa06ca54e
[   21.487128][  T420] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.487130][  T420] RSP: 002b:00007fff3e2640a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.487132][  T420] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2aa06ca54e
[   21.487134][  T420] RDX: 0000000000000000 RSI: 00007fff3e264150 RDI: 0000000000000005
[   21.487135][  T420] RBP: 00007fff3e2640b0 R08: 0000000000000000 R09: 0000000000000000
[   21.487135][  T420] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a3f
[   21.487136][  T420] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3e264820
| [   26.148002][   T12] softirqs last disabled at (177420): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   26.148004][   T12] Preemption disabled at:
| [   26.148005][   T12] 0x0
| [   26.148014][   T12] Tainted: [W]=WARN
[   26.148015][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.148017][   T12] Workqueue: netns cleanup_net
[   26.148020][   T12] Call Trace:
[   26.148022][   T12]  <TASK>
[   26.148024][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.148031][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.148035][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.148039][   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)
[   26.148044][   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))
[   26.148046][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.148053][   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)
[   26.148055][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.148059][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   26.148062][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.148069][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.148077][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.148080][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.148085][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.148089][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.148091][   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))
[   26.148094][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.148097][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.148101][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.148105][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.148107][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.148113][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.148116][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.148118][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.148120][   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)
[   26.148124][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.148125][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.148128][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.148132][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.148133][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.148135][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.148137][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.148142][   T12]  _printk (kernel/printk/printk.c:2504)
[   26.148146][   T12]  ? snapshot_read.cold (user.c:?)
[   26.148154][   T12]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   26.148159][   T12]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   26.148163][   T12]  br_device_event (net/bridge/br.c:111)
[   26.148165][   T12]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   26.148169][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[   26.148175][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   26.148181][   T12]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   26.148184][   T12]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   26.148188][   T12]  ? __dev_close_many (net/core/dev.c:1804)
[   26.148191][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   26.148195][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   26.148198][   T12]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   26.148200][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   26.148202][   T12]  ? kthread (kernel/kthread.c:436)
[   26.148203][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   26.148206][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   26.148209][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   26.148217][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   26.148221][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   26.148223][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.148226][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   26.148230][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   26.148234][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.148237][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   26.148239][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.148242][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   26.148247][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   26.148250][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.148254][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.148256][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.148259][   T12]  process_one_work (kernel/workqueue.c:3387)
[   26.148266][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   26.148269][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.148278][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   26.148285][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   26.148288][   T12]  kthread (kernel/kthread.c:436)
[   26.148289][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.148293][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   26.148296][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.148299][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   26.148302][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.148306][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   26.148309][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.645901][  T524] softirqs last disabled at (45248): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.645903][  T524] Preemption disabled at:
| [   28.645904][  T524] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.645912][  T524] Tainted: [W]=WARN
[   28.645913][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.645914][  T524] Call Trace:
[   28.645916][  T524]  <TASK>
[   28.645917][  T524]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.645923][  T524]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.645925][  T524]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.645929][  T524]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.645933][  T524]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.645938][  T524]  __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))
[   28.645939][  T524]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.645946][  T524]  ? 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)
[   28.645949][  T524]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.645952][  T524]  put_chars (drivers/char/virtio_console.c:1176)
[   28.645955][  T524]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.645961][  T524]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.645969][  T524]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.645972][  T524]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.645977][  T524]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.645981][  T524]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.645983][  T524]  ? 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))
[   28.645986][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.645988][  T524]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.645992][  T524]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.645997][  T524]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.645999][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.646004][  T524]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.646007][  T524]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.646009][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.646010][  T524]  ? 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)
[   28.646014][  T524]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.646016][  T524]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.646019][  T524]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.646022][  T524]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.646024][  T524]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   28.646029][  T524]  _printk (kernel/printk/printk.c:2504)
[   28.646033][  T524]  ? snapshot_read.cold (user.c:?)
[   28.646035][  T524]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.646037][  T524]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.646040][  T524]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.646042][  T524]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.646046][  T524]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.646049][  T524]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.646051][  T524]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.646054][  T524]  ? netdev_notice (net/core/dev.c:13194)
[   28.646056][  T524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.646059][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.646062][  T524]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.646065][  T524]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.646067][  T524]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.646069][  T524]  ? register_netdev (net/core/dev.c:11618)
[   28.646071][  T524]  ? 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))
[   28.646076][  T524]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.646079][  T524]  ? __kernel_text_address (kernel/extable.c:79)
[   28.646081][  T524]  ? write_profile (profile.c:?)
[   28.646085][  T524]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.646091][  T524]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.646094][  T524]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.646096][  T524]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.646098][  T524]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.646099][  T524]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.646103][  T524]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.646104][  T524]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.646106][  T524]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.646109][  T524]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.646110][  T524]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.646111][  T524]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.646113][  T524]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.646115][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.646117][  T524]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   28.646120][  T524]  ? ___sys_sendmsg (net/socket.c:2758)
[   28.646123][  T524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.646125][  T524]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.646128][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.646130][  T524]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.646131][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.646132][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.646134][  T524]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.646136][  T524]  ? __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)
[   28.646137][  T524]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.646139][  T524]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.646142][  T524]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.646144][  T524]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.646148][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.646150][  T524]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.646156][  T524]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.646161][  T524]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.646163][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.646168][  T524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.646169][  T524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.646171][  T524]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.646173][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.646177][  T524]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.646179][  T524]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.646182][  T524]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.646183][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.646188][  T524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.646190][  T524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.646193][  T524]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.646196][  T524]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.646199][  T524]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.646206][  T524]  ? 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))
[   28.646208][  T524]  ? 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))
[   28.646212][  T524]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.646216][  T524]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.646219][  T524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.646223][  T524]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.646227][  T524]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.646231][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.646233][  T524]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.646238][  T524]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.646241][  T524]  ____sys_sendmsg (net/socket.c:2713)
[   28.646243][  T524]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.646245][  T524]  ? sock_write_iter (net/socket.c:1269)
[   28.646247][  T524]  ? move_addr_to_kernel (net/socket.c:258)
[   28.646254][  T524]  ___sys_sendmsg (net/socket.c:2767)
[   28.646257][  T524]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.646273][  T524]  __sys_sendmsg (net/socket.c:2799)
[   28.646276][  T524]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.646282][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.646285][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.646288][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.646291][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.646293][  T524] RIP: 0033:0x7fd03f74354e
[   28.646297][  T524] 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
[   28.646299][  T524] RSP: 002b:00007ffefc4bc160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.646301][  T524] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd03f74354e
[   28.646303][  T524] RDX: 0000000000000000 RSI: 00007ffefc4bc210 RDI: 0000000000000005
[   28.646303][  T524] RBP: 00007ffefc4bc170 R08: 0000000000000000 R09: 0000000000000000
[   28.646304][  T524] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a47
[   28.646305][  T524] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefc4bc8d0
| [   34.382083][  T584] softirqs last disabled at (38580): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.382086][  T584] Preemption disabled at:
| [   34.382086][  T584] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.382094][  T584] Tainted: [W]=WARN
[   34.382095][  T584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.382097][  T584] Call Trace:
[   34.382098][  T584]  <TASK>
[   34.382100][  T584]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.382105][  T584]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.382107][  T584]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.382112][  T584]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.382116][  T584]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.382120][  T584]  __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))
[   34.382122][  T584]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.382129][  T584]  ? 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)
[   34.382132][  T584]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.382135][  T584]  put_chars (drivers/char/virtio_console.c:1176)
[   34.382138][  T584]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.382144][  T584]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.382152][  T584]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.382155][  T584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.382160][  T584]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.382164][  T584]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.382166][  T584]  ? 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))
[   34.382169][  T584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.382172][  T584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.382176][  T584]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.382180][  T584]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.382182][  T584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.382187][  T584]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.382190][  T584]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.382192][  T584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.382194][  T584]  ? 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)
[   34.382197][  T584]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.382199][  T584]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.382202][  T584]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.382205][  T584]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.382207][  T584]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.382209][  T584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.382210][  T584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.382214][  T584]  _printk (kernel/printk/printk.c:2504)
[   34.382218][  T584]  ? snapshot_read.cold (user.c:?)
[   34.382220][  T584]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.382222][  T584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.382225][  T584]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.382227][  T584]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.382231][  T584]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.382234][  T584]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.382236][  T584]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.382239][  T584]  ? netdev_notice (net/core/dev.c:13194)
[   34.382241][  T584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.382244][  T584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.382247][  T584]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.382250][  T584]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.382252][  T584]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.382255][  T584]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   34.382259][  T584]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.382264][  T584]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.382270][  T584]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.382273][  T584]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.382276][  T584]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.382278][  T584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.382280][  T584]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.382283][  T584]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.382285][  T584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.382287][  T584]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.382289][  T584]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.382291][  T584]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.382292][  T584]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.382293][  T584]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.382296][  T584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.382297][  T584]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   34.382300][  T584]  ? ___sys_sendmsg (net/socket.c:2758)
[   34.382304][  T584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.382306][  T584]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.382309][  T584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.382311][  T584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.382312][  T584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.382313][  T584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.382315][  T584]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.382320][  T584]  ? __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)
[   34.382322][  T584]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.382324][  T584]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.382328][  T584]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.382329][  T584]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.382334][  T584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.382336][  T584]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.382341][  T584]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.382347][  T584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.382349][  T584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.382353][  T584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.382355][  T584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.382357][  T584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.382359][  T584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.382363][  T584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.382365][  T584]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.382368][  T584]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.382369][  T584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.382374][  T584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.382376][  T584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.382379][  T584]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.382382][  T584]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.382385][  T584]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.382392][  T584]  ? 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))
[   34.382394][  T584]  ? 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))
[   34.382398][  T584]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.382402][  T584]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.382405][  T584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.382409][  T584]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.382413][  T584]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.382417][  T584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.382419][  T584]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   34.382424][  T584]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.382427][  T584]  ____sys_sendmsg (net/socket.c:2713)
[   34.382429][  T584]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.382431][  T584]  ? sock_write_iter (net/socket.c:1269)
[   34.382433][  T584]  ? move_addr_to_kernel (net/socket.c:258)
[   34.382440][  T584]  ___sys_sendmsg (net/socket.c:2767)
[   34.382443][  T584]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.382460][  T584]  __sys_sendmsg (net/socket.c:2799)
[   34.382463][  T584]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.382469][  T584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.382472][  T584]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.382475][  T584]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.382478][  T584]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.382480][  T584] RIP: 0033:0x7fc481d3854e
[   34.382484][  T584] 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
[   34.382486][  T584] RSP: 002b:00007ffdc48b9100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.382488][  T584] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc481d3854e
[   34.382490][  T584] RDX: 0000000000000000 RSI: 00007ffdc48b91b0 RDI: 0000000000000005
[   34.382490][  T584] RBP: 00007ffdc48b9110 R08: 0000000000000000 R09: 0000000000000000
[   34.382491][  T584] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a4c
[   34.382492][  T584] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc48b9870
| [   35.420409][  T631] softirqs last disabled at (43524): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.420412][  T631] Preemption disabled at:
| [   35.420412][  T631] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.420421][  T631] Tainted: [W]=WARN
[   35.420422][  T631] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.420423][  T631] Call Trace:
[   35.420425][  T631]  <TASK>
[   35.420426][  T631]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.420432][  T631]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.420434][  T631]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.420438][  T631]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.420442][  T631]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.420447][  T631]  __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))
[   35.420448][  T631]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.420455][  T631]  ? 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)
[   35.420458][  T631]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.420462][  T631]  put_chars (drivers/char/virtio_console.c:1176)
[   35.420464][  T631]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.420471][  T631]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.420478][  T631]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.420481][  T631]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.420486][  T631]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.420490][  T631]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.420492][  T631]  ? 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))
[   35.420495][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.420498][  T631]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.420502][  T631]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.420506][  T631]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.420512][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.420518][  T631]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.420520][  T631]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.420522][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.420524][  T631]  ? 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)
[   35.420528][  T631]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.420529][  T631]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.420532][  T631]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.420535][  T631]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.420537][  T631]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.420539][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.420541][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.420545][  T631]  _printk (kernel/printk/printk.c:2504)
[   35.420548][  T631]  ? snapshot_read.cold (user.c:?)
[   35.420550][  T631]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.420552][  T631]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.420555][  T631]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.420557][  T631]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.420561][  T631]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.420564][  T631]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.420566][  T631]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.420569][  T631]  ? netdev_notice (net/core/dev.c:13194)
[   35.420572][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.420574][  T631]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.420577][  T631]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.420580][  T631]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.420582][  T631]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.420585][  T631]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   35.420589][  T631]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.420593][  T631]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.420599][  T631]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.420602][  T631]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.420606][  T631]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.420607][  T631]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.420609][  T631]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.420612][  T631]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.420614][  T631]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.420616][  T631]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.420618][  T631]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.420620][  T631]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.420621][  T631]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.420622][  T631]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.420624][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.420626][  T631]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   35.420629][  T631]  ? ___sys_sendmsg (net/socket.c:2758)
[   35.420633][  T631]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.420635][  T631]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.420638][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.420640][  T631]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.420641][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.420642][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.420644][  T631]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.420646][  T631]  ? __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)
[   35.420649][  T631]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.420650][  T631]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.420654][  T631]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.420655][  T631]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.420660][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.420662][  T631]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.420667][  T631]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.420673][  T631]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.420674][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.420679][  T631]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.420681][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.420683][  T631]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.420684][  T631]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.420688][  T631]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.420690][  T631]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.420694][  T631]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.420695][  T631]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.420699][  T631]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.420701][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.420705][  T631]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.420708][  T631]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.420711][  T631]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.420717][  T631]  ? 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))
[   35.420719][  T631]  ? 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))
[   35.420724][  T631]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.420728][  T631]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.420730][  T631]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.420734][  T631]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.420738][  T631]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.420742][  T631]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.420744][  T631]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   35.420749][  T631]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.420752][  T631]  ____sys_sendmsg (net/socket.c:2713)
[   35.420754][  T631]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.420756][  T631]  ? sock_write_iter (net/socket.c:1269)
[   35.420758][  T631]  ? move_addr_to_kernel (net/socket.c:258)
[   35.420765][  T631]  ___sys_sendmsg (net/socket.c:2767)
[   35.420768][  T631]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.420785][  T631]  __sys_sendmsg (net/socket.c:2799)
[   35.420787][  T631]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.420794][  T631]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.420797][  T631]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.420800][  T631]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.420802][  T631]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.420805][  T631] RIP: 0033:0x7f28d1c7e54e
[   35.420808][  T631] 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
[   35.420810][  T631] RSP: 002b:00007fff8d0c1040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.420813][  T631] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f28d1c7e54e
[   35.420814][  T631] RDX: 0000000000000000 RSI: 00007fff8d0c10f0 RDI: 0000000000000005
[   35.420815][  T631] RBP: 00007fff8d0c1050 R08: 0000000000000000 R09: 0000000000000000
[   35.420816][  T631] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a4d
[   35.420816][  T631] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8d0c17b0
| [   36.477900][  T678] softirqs last disabled at (28896): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   36.477903][  T678] Preemption disabled at:
| [   36.477903][  T678] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.477912][  T678] Tainted: [W]=WARN
[   36.477912][  T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.477914][  T678] Call Trace:
[   36.477916][  T678]  <TASK>
[   36.477917][  T678]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.477923][  T678]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.477924][  T678]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.477929][  T678]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.477933][  T678]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.477937][  T678]  __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))
[   36.477939][  T678]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.477945][  T678]  ? 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)
[   36.477948][  T678]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.477952][  T678]  put_chars (drivers/char/virtio_console.c:1176)
[   36.477954][  T678]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.477961][  T678]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.477968][  T678]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.477972][  T678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.477976][  T678]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.477980][  T678]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.477982][  T678]  ? 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))
[   36.477985][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.477987][  T678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.477991][  T678]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.477996][  T678]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.477997][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.478003][  T678]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.478006][  T678]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.478007][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.478009][  T678]  ? 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)
[   36.478013][  T678]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.478015][  T678]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.478017][  T678]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.478021][  T678]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.478022][  T678]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.478024][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.478026][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.478030][  T678]  _printk (kernel/printk/printk.c:2504)
[   36.478033][  T678]  ? snapshot_read.cold (user.c:?)
[   36.478035][  T678]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.478037][  T678]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.478040][  T678]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.478042][  T678]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.478046][  T678]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.478049][  T678]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.478051][  T678]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.478054][  T678]  ? netdev_notice (net/core/dev.c:13194)
[   36.478056][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.478059][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.478062][  T678]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.478065][  T678]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.478067][  T678]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   36.478070][  T678]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   36.478074][  T678]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   36.478078][  T678]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   36.478084][  T678]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.478087][  T678]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.478091][  T678]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.478092][  T678]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.478094][  T678]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.478097][  T678]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.478099][  T678]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.478100][  T678]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.478103][  T678]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.478105][  T678]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.478106][  T678]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.478107][  T678]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.478109][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.478111][  T678]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   36.478114][  T678]  ? ___sys_sendmsg (net/socket.c:2758)
[   36.478118][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.478120][  T678]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.478122][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.478124][  T678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.478126][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.478127][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.478128][  T678]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.478130][  T678]  ? __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)
[   36.478133][  T678]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.478135][  T678]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.478139][  T678]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.478140][  T678]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.478145][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.478147][  T678]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.478152][  T678]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.478158][  T678]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.478159][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.478164][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.478166][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.478168][  T678]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.478170][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.478173][  T678]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.478175][  T678]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.478179][  T678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.478180][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.478184][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.478186][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.478190][  T678]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.478193][  T678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.478196][  T678]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.478202][  T678]  ? 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))
[   36.478205][  T678]  ? 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))
[   36.478209][  T678]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.478213][  T678]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.478216][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.478220][  T678]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.478224][  T678]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.478228][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.478229][  T678]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   36.478235][  T678]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   36.478237][  T678]  ____sys_sendmsg (net/socket.c:2713)
[   36.478240][  T678]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.478242][  T678]  ? sock_write_iter (net/socket.c:1269)
[   36.478243][  T678]  ? move_addr_to_kernel (net/socket.c:258)
[   36.478251][  T678]  ___sys_sendmsg (net/socket.c:2767)
[   36.478254][  T678]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.478270][  T678]  __sys_sendmsg (net/socket.c:2799)
[   36.478273][  T678]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.478280][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.478283][  T678]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.478286][  T678]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.478289][  T678]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.478291][  T678] RIP: 0033:0x7f1060c3154e
[   36.478294][  T678] 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
[   36.478296][  T678] RSP: 002b:00007ffe92afd2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.478299][  T678] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1060c3154e
[   36.478300][  T678] RDX: 0000000000000000 RSI: 00007ffe92afd3a0 RDI: 0000000000000005
[   36.478301][  T678] RBP: 00007ffe92afd300 R08: 0000000000000000 R09: 0000000000000000
[   36.478302][  T678] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a4e
[   36.478303][  T678] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe92afda60
| [   37.516440][  T725] softirqs last disabled at (29116): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.516443][  T725] Preemption disabled at:
| [   37.516444][  T725] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.516452][  T725] Tainted: [W]=WARN
[   37.516453][  T725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.516455][  T725] Call Trace:
[   37.516456][  T725]  <TASK>
[   37.516458][  T725]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.516463][  T725]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.516465][  T725]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.516469][  T725]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.516474][  T725]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.516478][  T725]  __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))
[   37.516480][  T725]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.516486][  T725]  ? 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)
[   37.516489][  T725]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.516493][  T725]  put_chars (drivers/char/virtio_console.c:1176)
[   37.516495][  T725]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.516502][  T725]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.516510][  T725]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.516513][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.516517][  T725]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.516526][  T725]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.516528][  T725]  ? 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))
[   37.516531][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.516534][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.516538][  T725]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.516542][  T725]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.516544][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.516550][  T725]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.516553][  T725]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.516554][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.516556][  T725]  ? 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)
[   37.516560][  T725]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.516562][  T725]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.516564][  T725]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.516567][  T725]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.516569][  T725]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   37.516571][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.516573][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.516577][  T725]  _printk (kernel/printk/printk.c:2504)
[   37.516581][  T725]  ? snapshot_read.cold (user.c:?)
[   37.516582][  T725]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.516585][  T725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.516588][  T725]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.516590][  T725]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.516594][  T725]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.516596][  T725]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.516599][  T725]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.516602][  T725]  ? netdev_notice (net/core/dev.c:13194)
[   37.516604][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.516607][  T725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.516610][  T725]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.516613][  T725]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.516615][  T725]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.516618][  T725]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   37.516622][  T725]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.516626][  T725]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.516632][  T725]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.516636][  T725]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.516639][  T725]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.516641][  T725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.516643][  T725]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.516646][  T725]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.516648][  T725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.516650][  T725]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.516652][  T725]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.516654][  T725]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.516655][  T725]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.516656][  T725]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.516659][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.516661][  T725]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   37.516664][  T725]  ? ___sys_sendmsg (net/socket.c:2758)
[   37.516668][  T725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.516669][  T725]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.516672][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.516674][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.516675][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.516677][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.516678][  T725]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.516680][  T725]  ? __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)
[   37.516683][  T725]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.516685][  T725]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.516688][  T725]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.516690][  T725]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.516694][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.516697][  T725]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.516702][  T725]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.516708][  T725]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.516709][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.516714][  T725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.516716][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.516718][  T725]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.516720][  T725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.516724][  T725]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.516726][  T725]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.516729][  T725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.516730][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.516735][  T725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.516737][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.516741][  T725]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.516744][  T725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.516747][  T725]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.516753][  T725]  ? 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))
[   37.516755][  T725]  ? 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))
[   37.516760][  T725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.516764][  T725]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.516767][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.516771][  T725]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.516775][  T725]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.516779][  T725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.516781][  T725]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.516786][  T725]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.516789][  T725]  ____sys_sendmsg (net/socket.c:2713)
[   37.516791][  T725]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.516793][  T725]  ? sock_write_iter (net/socket.c:1269)
[   37.516795][  T725]  ? move_addr_to_kernel (net/socket.c:258)
[   37.516802][  T725]  ___sys_sendmsg (net/socket.c:2767)
[   37.516805][  T725]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.516822][  T725]  __sys_sendmsg (net/socket.c:2799)
[   37.516824][  T725]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.516831][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.516834][  T725]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.516837][  T725]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.516840][  T725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.516842][  T725] RIP: 0033:0x7f632720754e
[   37.516845][  T725] 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
[   37.516847][  T725] RSP: 002b:00007ffdfca04340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.516850][  T725] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f632720754e
[   37.516851][  T725] RDX: 0000000000000000 RSI: 00007ffdfca043f0 RDI: 0000000000000005
[   37.516852][  T725] RBP: 00007ffdfca04350 R08: 0000000000000000 R09: 0000000000000000
[   37.516853][  T725] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a4f
[   37.516854][  T725] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfca04ab0
| [   40.257894][  T821] softirqs last disabled at (50672): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.257896][  T821] Preemption disabled at:
| [   40.257897][  T821] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.257905][  T821] Tainted: [W]=WARN
[   40.257906][  T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.257908][  T821] Call Trace:
[   40.257909][  T821]  <TASK>
[   40.257911][  T821]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.257917][  T821]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.257918][  T821]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.257923][  T821]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.257927][  T821]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.257932][  T821]  __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))
[   40.257934][  T821]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.257941][  T821]  ? 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)
[   40.257943][  T821]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.257947][  T821]  put_chars (drivers/char/virtio_console.c:1176)
[   40.257950][  T821]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.257956][  T821]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.257964][  T821]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.257967][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.257972][  T821]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.257976][  T821]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.257978][  T821]  ? 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))
[   40.257981][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.257984][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.257988][  T821]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.257993][  T821]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.257995][  T821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.258000][  T821]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.258003][  T821]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.258005][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.258007][  T821]  ? 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)
[   40.258011][  T821]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.258012][  T821]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.258015][  T821]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.258018][  T821]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.258021][  T821]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   40.258026][  T821]  _printk (kernel/printk/printk.c:2504)
[   40.258030][  T821]  ? snapshot_read.cold (user.c:?)
[   40.258032][  T821]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.258034][  T821]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.258037][  T821]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.258039][  T821]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.258043][  T821]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.258046][  T821]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.258048][  T821]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.258051][  T821]  ? netdev_notice (net/core/dev.c:13194)
[   40.258054][  T821]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.258057][  T821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.258060][  T821]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.258063][  T821]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.258066][  T821]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.258068][  T821]  ? register_netdev (net/core/dev.c:11618)
[   40.258069][  T821]  ? 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))
[   40.258075][  T821]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.258077][  T821]  ? __kernel_text_address (kernel/extable.c:79)
[   40.258080][  T821]  ? write_profile (profile.c:?)
[   40.258084][  T821]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.258090][  T821]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.258093][  T821]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.258095][  T821]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.258097][  T821]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.258099][  T821]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.258102][  T821]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.258104][  T821]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.258106][  T821]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.258108][  T821]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.258110][  T821]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.258111][  T821]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.258113][  T821]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   40.258115][  T821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.258117][  T821]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   40.258120][  T821]  ? ___sys_sendmsg (net/socket.c:2758)
[   40.258124][  T821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.258126][  T821]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.258129][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.258131][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.258132][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.258133][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.258135][  T821]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.258138][  T821]  ? __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)
[   40.258139][  T821]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.258141][  T821]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.258145][  T821]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.258146][  T821]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.258151][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.258154][  T821]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.258159][  T821]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.258165][  T821]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.258167][  T821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.258171][  T821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.258173][  T821]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.258175][  T821]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.258177][  T821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.258181][  T821]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.258183][  T821]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.258187][  T821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.258188][  T821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.258193][  T821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.258195][  T821]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.258198][  T821]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.258202][  T821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.258205][  T821]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.258211][  T821]  ? 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))
[   40.258213][  T821]  ? 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))
[   40.258218][  T821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.258222][  T821]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.258225][  T821]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.258229][  T821]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.258234][  T821]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.258238][  T821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.258239][  T821]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.258245][  T821]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.258248][  T821]  ____sys_sendmsg (net/socket.c:2713)
[   40.258250][  T821]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.258252][  T821]  ? sock_write_iter (net/socket.c:1269)
[   40.258254][  T821]  ? move_addr_to_kernel (net/socket.c:258)
[   40.258262][  T821]  ___sys_sendmsg (net/socket.c:2767)
[   40.258265][  T821]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.258282][  T821]  __sys_sendmsg (net/socket.c:2799)
[   40.258285][  T821]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.258292][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.258295][  T821]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.258298][  T821]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.258301][  T821]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.258303][  T821] RIP: 0033:0x7f2316a3a54e
[   40.258307][  T821] 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
[   40.258308][  T821] RSP: 002b:00007ffc9d6a5a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.258311][  T821] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2316a3a54e
[   40.258312][  T821] RDX: 0000000000000000 RSI: 00007ffc9d6a5ad0 RDI: 0000000000000005
[   40.258313][  T821] RBP: 00007ffc9d6a5a30 R08: 0000000000000000 R09: 0000000000000000
[   40.258314][  T821] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a52
[   40.258318][  T821] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9d6a6190
| [   47.673070][  T923] softirqs last disabled at (37714): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.673073][  T923] Preemption disabled at:
| [   47.673073][  T923] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.673081][  T923] Tainted: [W]=WARN
[   47.673082][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.673084][  T923] Call Trace:
[   47.673085][  T923]  <TASK>
[   47.673087][  T923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.673092][  T923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.673094][  T923]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.673098][  T923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.673102][  T923]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.673107][  T923]  __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))
[   47.673108][  T923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.673115][  T923]  ? 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)
[   47.673118][  T923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.673121][  T923]  put_chars (drivers/char/virtio_console.c:1176)
[   47.673124][  T923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.673130][  T923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.673138][  T923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.673141][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.673146][  T923]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.673150][  T923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.673152][  T923]  ? 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))
[   47.673155][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.673158][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.673162][  T923]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.673166][  T923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.673168][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.673173][  T923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.673176][  T923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.673177][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.673179][  T923]  ? 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)
[   47.673183][  T923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.673185][  T923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.673187][  T923]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.673190][  T923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.673193][  T923]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   47.673198][  T923]  _printk (kernel/printk/printk.c:2504)
[   47.673202][  T923]  ? snapshot_read.cold (user.c:?)
[   47.673203][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.673206][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.673209][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.673211][  T923]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.673215][  T923]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.673218][  T923]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.673220][  T923]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.673223][  T923]  ? netdev_notice (net/core/dev.c:13194)
[   47.673225][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.673228][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.673231][  T923]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.673234][  T923]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.673236][  T923]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.673238][  T923]  ? register_netdev (net/core/dev.c:11618)
[   47.673240][  T923]  ? 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))
[   47.673245][  T923]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.673248][  T923]  ? __kernel_text_address (kernel/extable.c:79)
[   47.673250][  T923]  ? write_profile (profile.c:?)
[   47.673254][  T923]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.673260][  T923]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.673263][  T923]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.673265][  T923]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.673266][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.673268][  T923]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.673271][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.673273][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.673275][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.673278][  T923]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.673279][  T923]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.673281][  T923]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.673282][  T923]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.673284][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.673286][  T923]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   47.673289][  T923]  ? ___sys_sendmsg (net/socket.c:2758)
[   47.673293][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.673295][  T923]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.673297][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.673299][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.673301][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.673302][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.673303][  T923]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.673306][  T923]  ? __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)
[   47.673307][  T923]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.673309][  T923]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.673312][  T923]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.673313][  T923]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.673321][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.673323][  T923]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.673329][  T923]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.673334][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.673336][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.673340][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.673342][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.673344][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.673346][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.673350][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.673352][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.673355][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.673356][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.673361][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.673362][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.673366][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.673369][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.673372][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.673378][  T923]  ? 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))
[   47.673381][  T923]  ? 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))
[   47.673385][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.673389][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.673391][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.673396][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.673400][  T923]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.673404][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.673405][  T923]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   47.673411][  T923]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.673413][  T923]  ____sys_sendmsg (net/socket.c:2713)
[   47.673416][  T923]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.673418][  T923]  ? sock_write_iter (net/socket.c:1269)
[   47.673419][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   47.673427][  T923]  ___sys_sendmsg (net/socket.c:2767)
[   47.673430][  T923]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.673446][  T923]  __sys_sendmsg (net/socket.c:2799)
[   47.673449][  T923]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.673455][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.673458][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.673461][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.673463][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.673465][  T923] RIP: 0033:0x7f6e7cc9554e
[   47.673469][  T923] 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
[   47.673471][  T923] RSP: 002b:00007ffff7aa9c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.673473][  T923] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e7cc9554e
[   47.673475][  T923] RDX: 0000000000000000 RSI: 00007ffff7aa9ce0 RDI: 0000000000000005
[   47.673476][  T923] RBP: 00007ffff7aa9c40 R08: 0000000000000000 R09: 0000000000000000
[   47.673476][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a5a
[   47.673477][  T923] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff7aaa3a0
| [   55.086193][ T1032] softirqs last disabled at (39346): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   55.086195][ T1032] Preemption disabled at:
| [   55.086196][ T1032] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.086204][ T1032] Tainted: [W]=WARN
[   55.086205][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.086207][ T1032] Call Trace:
[   55.086209][ T1032]  <TASK>
[   55.086210][ T1032]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.086216][ T1032]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.086217][ T1032]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.086222][ T1032]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.086226][ T1032]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.086230][ T1032]  __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))
[   55.086232][ T1032]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.086238][ T1032]  ? 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)
[   55.086241][ T1032]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.086245][ T1032]  put_chars (drivers/char/virtio_console.c:1176)
[   55.086248][ T1032]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.086254][ T1032]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.086262][ T1032]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.086265][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.086269][ T1032]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.086273][ T1032]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.086275][ T1032]  ? 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))
[   55.086279][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.086281][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.086285][ T1032]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.086289][ T1032]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.086291][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.086297][ T1032]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.086299][ T1032]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.086301][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.086303][ T1032]  ? 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)
[   55.086307][ T1032]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.086308][ T1032]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.086311][ T1032]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.086314][ T1032]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.086319][ T1032]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   55.086324][ T1032]  _printk (kernel/printk/printk.c:2504)
[   55.086328][ T1032]  ? snapshot_read.cold (user.c:?)
[   55.086330][ T1032]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.086332][ T1032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.086335][ T1032]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.086337][ T1032]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.086341][ T1032]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.086344][ T1032]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.086346][ T1032]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.086349][ T1032]  ? netdev_notice (net/core/dev.c:13194)
[   55.086351][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.086354][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.086357][ T1032]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.086360][ T1032]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.086363][ T1032]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   55.086365][ T1032]  ? register_netdev (net/core/dev.c:11618)
[   55.086366][ T1032]  ? 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))
[   55.086371][ T1032]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   55.086374][ T1032]  ? __kernel_text_address (kernel/extable.c:79)
[   55.086376][ T1032]  ? write_profile (profile.c:?)
[   55.086380][ T1032]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   55.086386][ T1032]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.086390][ T1032]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.086392][ T1032]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.086393][ T1032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.086395][ T1032]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.086398][ T1032]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.086400][ T1032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.086402][ T1032]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.086404][ T1032]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.086406][ T1032]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.086407][ T1032]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.086409][ T1032]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.086411][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.086413][ T1032]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   55.086416][ T1032]  ? ___sys_sendmsg (net/socket.c:2758)
[   55.086420][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.086421][ T1032]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.086424][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.086426][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.086427][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.086428][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.086430][ T1032]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.086432][ T1032]  ? __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)
[   55.086434][ T1032]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.086435][ T1032]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.086439][ T1032]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.086440][ T1032]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.086445][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.086447][ T1032]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.086452][ T1032]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.086458][ T1032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.086459][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.086464][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.086466][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.086468][ T1032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.086470][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.086473][ T1032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.086475][ T1032]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.086478][ T1032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.086480][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.086485][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.086486][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.086490][ T1032]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.086493][ T1032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.086496][ T1032]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.086502][ T1032]  ? 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))
[   55.086505][ T1032]  ? 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))
[   55.086509][ T1032]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.086513][ T1032]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.086516][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.086520][ T1032]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.086524][ T1032]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.086528][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.086529][ T1032]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   55.086535][ T1032]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   55.086537][ T1032]  ____sys_sendmsg (net/socket.c:2713)
[   55.086540][ T1032]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.086542][ T1032]  ? sock_write_iter (net/socket.c:1269)
[   55.086543][ T1032]  ? move_addr_to_kernel (net/socket.c:258)
[   55.086551][ T1032]  ___sys_sendmsg (net/socket.c:2767)
[   55.086554][ T1032]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.086570][ T1032]  __sys_sendmsg (net/socket.c:2799)
[   55.086573][ T1032]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.086579][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.086582][ T1032]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.086585][ T1032]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.086588][ T1032]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.086590][ T1032] RIP: 0033:0x7f0432f2054e
[   55.086594][ T1032] 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
[   55.086595][ T1032] RSP: 002b:00007ffcf52683b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.086598][ T1032] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0432f2054e
[   55.086599][ T1032] RDX: 0000000000000000 RSI: 00007ffcf5268460 RDI: 0000000000000005
[   55.086600][ T1032] RBP: 00007ffcf52683c0 R08: 0000000000000000 R09: 0000000000000000
[   55.086601][ T1032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a61
[   55.086601][ T1032] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf5268b20
| [   60.920128][ T1094] softirqs last disabled at (47812): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   60.920131][ T1094] Preemption disabled at:
| [   60.920131][ T1094] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.920140][ T1094] Tainted: [W]=WARN
[   60.920141][ T1094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.920142][ T1094] Call Trace:
[   60.920144][ T1094]  <TASK>
[   60.920145][ T1094]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.920151][ T1094]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.920153][ T1094]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.920157][ T1094]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.920161][ T1094]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.920166][ T1094]  __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))
[   60.920167][ T1094]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.920174][ T1094]  ? 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)
[   60.920177][ T1094]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.920181][ T1094]  put_chars (drivers/char/virtio_console.c:1176)
[   60.920183][ T1094]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.920189][ T1094]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.920197][ T1094]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.920200][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.920204][ T1094]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.920209][ T1094]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.920210][ T1094]  ? 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))
[   60.920214][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.920216][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.920220][ T1094]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.920225][ T1094]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.920226][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.920232][ T1094]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.920235][ T1094]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.920236][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.920238][ T1094]  ? 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)
[   60.920242][ T1094]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.920243][ T1094]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.920246][ T1094]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.920249][ T1094]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.920251][ T1094]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   60.920253][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.920255][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.920259][ T1094]  _printk (kernel/printk/printk.c:2504)
[   60.920262][ T1094]  ? snapshot_read.cold (user.c:?)
[   60.920264][ T1094]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.920266][ T1094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.920269][ T1094]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.920271][ T1094]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   60.920275][ T1094]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   60.920277][ T1094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.920280][ T1094]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   60.920282][ T1094]  ? netdev_notice (net/core/dev.c:13194)
[   60.920285][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.920288][ T1094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.920290][ T1094]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   60.920294][ T1094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.920296][ T1094]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   60.920299][ T1094]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   60.920302][ T1094]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   60.920307][ T1094]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   60.920312][ T1094]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.920318][ T1094]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   60.920321][ T1094]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   60.920323][ T1094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.920324][ T1094]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.920328][ T1094]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.920330][ T1094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.920331][ T1094]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.920334][ T1094]  ? kasan_save_stack (mm/kasan/common.c:58)
[   60.920336][ T1094]  ? kasan_save_stack (mm/kasan/common.c:57)
[   60.920337][ T1094]  ? kasan_save_track (mm/kasan/common.c:78)
[   60.920338][ T1094]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   60.920340][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.920342][ T1094]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   60.920345][ T1094]  ? ___sys_sendmsg (net/socket.c:2758)
[   60.920349][ T1094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.920351][ T1094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.920353][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.920355][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.920357][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.920358][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.920359][ T1094]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   60.920362][ T1094]  ? __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)
[   60.920364][ T1094]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   60.920366][ T1094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.920369][ T1094]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   60.920370][ T1094]  ? nla_get_range_signed (lib/nlattr.c:270)
[   60.920375][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.920377][ T1094]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   60.920382][ T1094]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.920388][ T1094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.920389][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.920394][ T1094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.920396][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.920398][ T1094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.920399][ T1094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.920403][ T1094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.920405][ T1094]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.920408][ T1094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.920409][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.920414][ T1094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.920416][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.920419][ T1094]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.920422][ T1094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.920425][ T1094]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.920432][ T1094]  ? 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))
[   60.920434][ T1094]  ? 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))
[   60.920439][ T1094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.920443][ T1094]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.920445][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.920450][ T1094]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.920454][ T1094]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.920458][ T1094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.920459][ T1094]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   60.920464][ T1094]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   60.920467][ T1094]  ____sys_sendmsg (net/socket.c:2713)
[   60.920469][ T1094]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.920472][ T1094]  ? sock_write_iter (net/socket.c:1269)
[   60.920473][ T1094]  ? move_addr_to_kernel (net/socket.c:258)
[   60.920481][ T1094]  ___sys_sendmsg (net/socket.c:2767)
[   60.920483][ T1094]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.920500][ T1094]  __sys_sendmsg (net/socket.c:2799)
[   60.920503][ T1094]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.920509][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.920512][ T1094]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.920515][ T1094]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.920518][ T1094]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.920520][ T1094] RIP: 0033:0x7fb715c4854e
[   60.920523][ T1094] 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
[   60.920525][ T1094] RSP: 002b:00007ffcaf9a2ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.920527][ T1094] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb715c4854e
[   60.920529][ T1094] RDX: 0000000000000000 RSI: 00007ffcaf9a30a0 RDI: 0000000000000005
[   60.920529][ T1094] RBP: 00007ffcaf9a3000 R08: 0000000000000000 R09: 0000000000000000
[   60.920530][ T1094] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a67
[   60.920531][ T1094] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaf9a3760
| [   62.009116][ T1143] softirqs last disabled at (40006): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   62.009119][ T1143] Preemption disabled at:
| [   62.009119][ T1143] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.009127][ T1143] Tainted: [W]=WARN
[   62.009128][ T1143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.009130][ T1143] Call Trace:
[   62.009131][ T1143]  <TASK>
[   62.009133][ T1143]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.009139][ T1143]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.009140][ T1143]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.009145][ T1143]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.009149][ T1143]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   62.009153][ T1143]  __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))
[   62.009155][ T1143]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.009162][ T1143]  ? 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)
[   62.009164][ T1143]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.009168][ T1143]  put_chars (drivers/char/virtio_console.c:1176)
[   62.009171][ T1143]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.009177][ T1143]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.009185][ T1143]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.009188][ T1143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.009192][ T1143]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.009196][ T1143]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.009198][ T1143]  ? 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))
[   62.009201][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.009204][ T1143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.009208][ T1143]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.009212][ T1143]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.009214][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.009219][ T1143]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.009222][ T1143]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.009224][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.009226][ T1143]  ? 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)
[   62.009229][ T1143]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.009231][ T1143]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.009234][ T1143]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.009237][ T1143]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.009238][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   62.009240][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.009242][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.009246][ T1143]  _printk (kernel/printk/printk.c:2504)
[   62.009249][ T1143]  ? snapshot_read.cold (user.c:?)
[   62.009251][ T1143]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.009254][ T1143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.009257][ T1143]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.009259][ T1143]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   62.009262][ T1143]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   62.009265][ T1143]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.009267][ T1143]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   62.009270][ T1143]  ? netdev_notice (net/core/dev.c:13194)
[   62.009273][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.009275][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.009278][ T1143]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   62.009281][ T1143]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.009283][ T1143]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   62.009286][ T1143]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   62.009290][ T1143]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   62.009294][ T1143]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   62.009300][ T1143]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.009303][ T1143]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.009306][ T1143]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.009308][ T1143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.009309][ T1143]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.009313][ T1143]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.009315][ T1143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.009318][ T1143]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.009321][ T1143]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.009323][ T1143]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.009324][ T1143]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.009325][ T1143]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.009327][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.009329][ T1143]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   62.009332][ T1143]  ? ___sys_sendmsg (net/socket.c:2758)
[   62.009336][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.009338][ T1143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.009340][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.009342][ T1143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.009344][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.009345][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.009346][ T1143]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.009348][ T1143]  ? __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)
[   62.009351][ T1143]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.009353][ T1143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.009356][ T1143]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.009357][ T1143]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.009362][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.009365][ T1143]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.009370][ T1143]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.009375][ T1143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.009377][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.009382][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.009383][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.009385][ T1143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.009387][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.009391][ T1143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.009393][ T1143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.009396][ T1143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.009397][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.009402][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.009404][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.009407][ T1143]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.009410][ T1143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.009413][ T1143]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.009419][ T1143]  ? 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))
[   62.009421][ T1143]  ? 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))
[   62.009426][ T1143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.009430][ T1143]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.009432][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.009437][ T1143]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.009441][ T1143]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.009445][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.009446][ T1143]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   62.009451][ T1143]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   62.009454][ T1143]  ____sys_sendmsg (net/socket.c:2713)
[   62.009456][ T1143]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.009459][ T1143]  ? sock_write_iter (net/socket.c:1269)
[   62.009460][ T1143]  ? move_addr_to_kernel (net/socket.c:258)
[   62.009468][ T1143]  ___sys_sendmsg (net/socket.c:2767)
[   62.009470][ T1143]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.009487][ T1143]  __sys_sendmsg (net/socket.c:2799)
[   62.009490][ T1143]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.009496][ T1143]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   62.009499][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.009502][ T1143]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.009505][ T1143]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.009508][ T1143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.009510][ T1143] RIP: 0033:0x7ff44a49554e
[   62.009513][ T1143] 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
[   62.009515][ T1143] RSP: 002b:00007fff3e0c7de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.009517][ T1143] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff44a49554e
[   62.009519][ T1143] RDX: 0000000000000000 RSI: 00007fff3e0c7e90 RDI: 0000000000000005
[   62.009520][ T1143] RBP: 00007fff3e0c7df0 R08: 0000000000000000 R09: 0000000000000000
[   62.009520][ T1143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a68
[   62.009521][ T1143] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3e0c8550
| [   63.099428][ T1192] softirqs last disabled at (46344): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   63.099430][ T1192] Preemption disabled at:
| [   63.099431][ T1192] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.099439][ T1192] Tainted: [W]=WARN
[   63.099440][ T1192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.099441][ T1192] Call Trace:
[   63.099443][ T1192]  <TASK>
[   63.099444][ T1192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.099450][ T1192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.099452][ T1192]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.099456][ T1192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.099461][ T1192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.099465][ T1192]  __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))
[   63.099467][ T1192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.099474][ T1192]  ? 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)
[   63.099477][ T1192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.099481][ T1192]  put_chars (drivers/char/virtio_console.c:1176)
[   63.099483][ T1192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.099489][ T1192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.099497][ T1192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.099500][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.099504][ T1192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.099508][ T1192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.099510][ T1192]  ? 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))
[   63.099514][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.099516][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.099520][ T1192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.099525][ T1192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.099526][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.099532][ T1192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.099535][ T1192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.099536][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.099538][ T1192]  ? 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)
[   63.099542][ T1192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.099543][ T1192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.099546][ T1192]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.099549][ T1192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.099551][ T1192]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   63.099553][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.099554][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.099558][ T1192]  _printk (kernel/printk/printk.c:2504)
[   63.099562][ T1192]  ? snapshot_read.cold (user.c:?)
[   63.099563][ T1192]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.099566][ T1192]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.099569][ T1192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.099571][ T1192]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.099575][ T1192]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.099577][ T1192]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.099580][ T1192]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.099582][ T1192]  ? netdev_notice (net/core/dev.c:13194)
[   63.099585][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.099588][ T1192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.099590][ T1192]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   63.099594][ T1192]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.099596][ T1192]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   63.099599][ T1192]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   63.099603][ T1192]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   63.099607][ T1192]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.099613][ T1192]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.099616][ T1192]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   63.099619][ T1192]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   63.099621][ T1192]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.099622][ T1192]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.099626][ T1192]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.099628][ T1192]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.099629][ T1192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.099632][ T1192]  ? kasan_save_stack (mm/kasan/common.c:58)
[   63.099634][ T1192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.099635][ T1192]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.099636][ T1192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.099638][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.099640][ T1192]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   63.099643][ T1192]  ? ___sys_sendmsg (net/socket.c:2758)
[   63.099647][ T1192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.099649][ T1192]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.099652][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.099653][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.099655][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.099656][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.099658][ T1192]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   63.099663][ T1192]  ? __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)
[   63.099666][ T1192]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   63.099668][ T1192]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.099671][ T1192]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.099672][ T1192]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.099677][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.099679][ T1192]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   63.099685][ T1192]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.099690][ T1192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.099692][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.099696][ T1192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.099698][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.099700][ T1192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.099702][ T1192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.099706][ T1192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.099708][ T1192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.099711][ T1192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.099712][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.099717][ T1192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.099718][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.099722][ T1192]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.099725][ T1192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.099728][ T1192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.099734][ T1192]  ? 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))
[   63.099736][ T1192]  ? 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))
[   63.099741][ T1192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.099745][ T1192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.099747][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.099752][ T1192]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.099755][ T1192]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.099759][ T1192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.099761][ T1192]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   63.099766][ T1192]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.099769][ T1192]  ____sys_sendmsg (net/socket.c:2713)
[   63.099771][ T1192]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.099773][ T1192]  ? sock_write_iter (net/socket.c:1269)
[   63.099775][ T1192]  ? move_addr_to_kernel (net/socket.c:258)
[   63.099782][ T1192]  ___sys_sendmsg (net/socket.c:2767)
[   63.099785][ T1192]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.099801][ T1192]  __sys_sendmsg (net/socket.c:2799)
[   63.099804][ T1192]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.099810][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.099813][ T1192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.099816][ T1192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.099819][ T1192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.099821][ T1192] RIP: 0033:0x7f372241554e
[   63.099825][ T1192] 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
[   63.099826][ T1192] RSP: 002b:00007fff75fdcfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.099829][ T1192] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f372241554e
[   63.099830][ T1192] RDX: 0000000000000000 RSI: 00007fff75fdd060 RDI: 0000000000000005
[   63.099831][ T1192] RBP: 00007fff75fdcfc0 R08: 0000000000000000 R09: 0000000000000000
[   63.099832][ T1192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a69
[   63.099833][ T1192] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff75fdd720
| [   64.191758][ T1241] softirqs last disabled at (41146): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   64.191761][ T1241] Preemption disabled at:
| [   64.191761][ T1241] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.191769][ T1241] Tainted: [W]=WARN
[   64.191770][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.191772][ T1241] Call Trace:
[   64.191773][ T1241]  <TASK>
[   64.191775][ T1241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.191781][ T1241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.191783][ T1241]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.191787][ T1241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.191791][ T1241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.191795][ T1241]  __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))
[   64.191797][ T1241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.191804][ T1241]  ? 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)
[   64.191807][ T1241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.191810][ T1241]  put_chars (drivers/char/virtio_console.c:1176)
[   64.191813][ T1241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.191819][ T1241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.191827][ T1241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.191830][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.191835][ T1241]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.191839][ T1241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.191841][ T1241]  ? 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))
[   64.191844][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.191847][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.191851][ T1241]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.191855][ T1241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.191857][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.191862][ T1241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.191865][ T1241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.191867][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.191869][ T1241]  ? 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)
[   64.191873][ T1241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.191874][ T1241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.191877][ T1241]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.191880][ T1241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.191882][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   64.191884][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.191886][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.191890][ T1241]  _printk (kernel/printk/printk.c:2504)
[   64.191893][ T1241]  ? snapshot_read.cold (user.c:?)
[   64.191895][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.191898][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.191901][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.191903][ T1241]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.191907][ T1241]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.191909][ T1241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.191912][ T1241]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.191914][ T1241]  ? netdev_notice (net/core/dev.c:13194)
[   64.191917][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.191920][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.191923][ T1241]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   64.191926][ T1241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.191928][ T1241]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   64.191932][ T1241]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   64.191936][ T1241]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   64.191940][ T1241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   64.191946][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.191949][ T1241]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   64.191953][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   64.191954][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.191956][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.191959][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.191961][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.191963][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.191965][ T1241]  ? kasan_save_stack (mm/kasan/common.c:58)
[   64.191967][ T1241]  ? kasan_save_stack (mm/kasan/common.c:57)
[   64.191968][ T1241]  ? kasan_save_track (mm/kasan/common.c:78)
[   64.191969][ T1241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   64.191972][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.191974][ T1241]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   64.191976][ T1241]  ? ___sys_sendmsg (net/socket.c:2758)
[   64.191980][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.191982][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.191985][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.191987][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.191988][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.191989][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.191991][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.191993][ T1241]  ? __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)
[   64.191996][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   64.191998][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.192001][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.192002][ T1241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   64.192007][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.192009][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   64.192015][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.192020][ T1241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.192022][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.192026][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.192028][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.192030][ T1241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.192032][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.192036][ T1241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.192038][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.192041][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.192042][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.192047][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.192049][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.192052][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.192055][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.192058][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.192065][ T1241]  ? 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))
[   64.192067][ T1241]  ? 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))
[   64.192072][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.192076][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.192078][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.192083][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.192087][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.192091][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.192092][ T1241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   64.192098][ T1241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   64.192100][ T1241]  ____sys_sendmsg (net/socket.c:2713)
[   64.192103][ T1241]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.192105][ T1241]  ? sock_write_iter (net/socket.c:1269)
[   64.192106][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   64.192114][ T1241]  ___sys_sendmsg (net/socket.c:2767)
[   64.192117][ T1241]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.192134][ T1241]  __sys_sendmsg (net/socket.c:2799)
[   64.192137][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.192143][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.192146][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.192149][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.192152][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.192154][ T1241] RIP: 0033:0x7fdf7a0ae54e
[   64.192158][ T1241] 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
[   64.192159][ T1241] RSP: 002b:00007ffc1f62b7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.192162][ T1241] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdf7a0ae54e
[   64.192163][ T1241] RDX: 0000000000000000 RSI: 00007ffc1f62b8a0 RDI: 0000000000000005
[   64.192164][ T1241] RBP: 00007ffc1f62b800 R08: 0000000000000000 R09: 0000000000000000
[   64.192165][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911a6a


Finger prints:
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars