======================================
| [   12.053489][  T242] softirqs last disabled at (24880): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.053492][  T242] Preemption disabled at:
| [   12.053492][  T242] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.053501][  T242] Tainted: [W]=WARN
[   12.053502][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.053503][  T242] Call Trace:
[   12.053505][  T242]  <TASK>
[   12.053506][  T242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.053511][  T242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.053513][  T242]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.053517][  T242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.053521][  T242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.053526][  T242]  __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))
[   12.053528][  T242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.053534][  T242]  ? 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)
[   12.053537][  T242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.053541][  T242]  put_chars (drivers/char/virtio_console.c:1176)
[   12.053543][  T242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.053547][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.053552][  T242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.053555][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.053557][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.053562][  T242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.053565][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053568][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.053573][  T242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.053576][  T242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.053577][  T242]  ? 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))
[   12.053580][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053582][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.053586][  T242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.053589][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.053591][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.053596][  T242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.053598][  T242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.053600][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053601][  T242]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.053605][  T242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.053607][  T242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.053610][  T242]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.053613][  T242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.053616][  T242]  ? save_trace (kernel/locking/lockdep.c:589)
[   12.053620][  T242]  _printk (kernel/printk/printk.c:2504)
[   12.053623][  T242]  ? snapshot_read.cold (user.c:?)
[   12.053627][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.053629][  T242]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.053632][  T242]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.053635][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.053637][  T242]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.053639][  T242]  ? netdev_notice (net/core/dev.c:13194)
[   12.053642][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.053645][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.053648][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.053651][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.053653][  T242]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.053656][  T242]  ? 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))
[   12.053662][  T242]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.053665][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   12.053668][  T242]  ? write_profile (profile.c:?)
[   12.053672][  T242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.053676][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.053680][  T242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.053682][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.053684][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.053687][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.053690][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.053693][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.053695][  T242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.053697][  T242]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.053700][  T242]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.053702][  T242]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.053705][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.053707][  T242]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   12.053709][  T242]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   12.053714][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.053716][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.053719][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053721][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.053722][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053724][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053725][  T242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.053728][  T242]  ? __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)
[   12.053731][  T242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.053734][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.053737][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.053739][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.053745][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.053750][  T242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.053755][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.053757][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.053762][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.053764][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.053766][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.053767][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.053771][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.053773][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.053776][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.053777][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.053782][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.053784][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.053788][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.053789][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.053792][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.053798][  T242]  ? 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))
[   12.053799][  T242]  ? 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))
[   12.053804][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.053807][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.053810][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   12.053814][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.053818][  T242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.053819][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.053822][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.053826][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.053830][  T242]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.053832][  T242]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.053834][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.053836][  T242]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   12.053840][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053842][  T242]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.053846][  T242]  ___sys_sendmsg (net/socket.c:2767)
[   12.053848][  T242]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.053850][  T242]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   12.053853][  T242]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.053855][  T242]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.053862][  T242]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:715 (discriminator 19))
[   12.053868][  T242]  ? rcu_core (kernel/rcu/tree.c:2927 (discriminator 1))
[   12.053870][  T242]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[   12.053873][  T242]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   12.053877][  T242]  __sys_sendmsg (net/socket.c:2799)
[   12.053881][  T242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.053886][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053888][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.053891][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.053893][  T242]  ? irq_exit_rcu (kernel/softirq.c:786)
[   12.053896][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.053898][  T242] RIP: 0033:0x7f0a4dc9254e
[   12.053902][  T242] 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
[   12.053904][  T242] RSP: 002b:00007fff8c9393d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.053906][  T242] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0a4dc9254e
[   12.053907][  T242] RDX: 0000000000000000 RSI: 00007fff8c939480 RDI: 0000000000000005
[   12.053908][  T242] RBP: 00007fff8c9393e0 R08: 0000000000000000 R09: 0000000000000000
[   12.053909][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91390f
[   12.053910][  T242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8c939b50
| [   13.103506][  T282] softirqs last disabled at (21414): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.103509][  T282] Preemption disabled at:
| [   13.103509][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.103519][  T282] Tainted: [W]=WARN
[   13.103520][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.103521][  T282] Call Trace:
[   13.103523][  T282]  <TASK>
[   13.103525][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.103530][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.103531][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.103536][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.103539][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.103544][  T282]  __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))
[   13.103547][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.103554][  T282]  ? 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)
[   13.103557][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.103560][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   13.103563][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.103567][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.103570][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.103575][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.103579][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.103580][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.103585][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.103589][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.103591][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.103596][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.103599][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.103601][  T282]  ? 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))
[   13.103603][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.103605][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.103610][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.103614][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.103615][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.103621][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.103623][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.103624][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.103626][  T282]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.103630][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.103632][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.103635][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.103639][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.103641][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.103643][  T282]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   13.103645][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   13.103649][  T282]  _printk (kernel/printk/printk.c:2504)
[   13.103653][  T282]  ? snapshot_read.cold (user.c:?)
[   13.103654][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.103657][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.103659][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.103662][  T282]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.103665][  T282]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.103668][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.103670][  T282]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.103673][  T282]  ? netdev_notice (net/core/dev.c:13194)
[   13.103675][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.103678][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.103681][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.103685][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.103687][  T282]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.103690][  T282]  ? 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))
[   13.103697][  T282]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.103699][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   13.103702][  T282]  ? write_profile (profile.c:?)
[   13.103707][  T282]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.103712][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.103717][  T282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.103719][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.103720][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.103722][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.103726][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.103728][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.103730][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.103733][  T282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.103736][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.103738][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.103741][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.103743][  T282]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   13.103746][  T282]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   13.103751][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.103753][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.103756][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.103757][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.103759][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.103761][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.103763][  T282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.103765][  T282]  ? __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)
[   13.103768][  T282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.103771][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.103774][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.103776][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.103782][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.103788][  T282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.103794][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.103796][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.103801][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.103803][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.103805][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.103807][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.103811][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.103813][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.103816][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.103817][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.103822][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.103824][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.103828][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.103830][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.103833][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.103840][  T282]  ? 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))
[   13.103841][  T282]  ? 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))
[   13.103845][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.103849][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.103852][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   13.103857][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.103861][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.103862][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.103865][  T282]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.103869][  T282]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.103873][  T282]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.103876][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.103878][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.103880][  T282]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   13.103887][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   13.103890][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.103907][  T282]  __sys_sendmsg (net/socket.c:2799)
[   13.103911][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.103917][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.103921][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.103923][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.103927][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.103929][  T282] RIP: 0033:0x7f9fb85e854e
[   13.103933][  T282] 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
[   13.103935][  T282] RSP: 002b:00007fffc976aff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.103938][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9fb85e854e
[   13.103939][  T282] RDX: 0000000000000000 RSI: 00007fffc976b0a0 RDI: 0000000000000005
[   13.103940][  T282] RBP: 00007fffc976b000 R08: 0000000000000000 R09: 0000000000000000
[   13.103941][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913910
[   13.103941][  T282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc976b770
| [   14.127876][  T291] softirqs last disabled at (15322): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.127879][  T291] Preemption disabled at:
| [   14.127879][  T291] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.127889][  T291] Tainted: [W]=WARN
[   14.127890][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.127891][  T291] Call Trace:
[   14.127893][  T291]  <TASK>
[   14.127894][  T291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.127900][  T291]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.127901][  T291]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.127906][  T291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.127909][  T291]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.127915][  T291]  __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))
[   14.127917][  T291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.127924][  T291]  ? 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)
[   14.127927][  T291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.127930][  T291]  put_chars (drivers/char/virtio_console.c:1176)
[   14.127933][  T291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.127937][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.127941][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.127945][  T291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.127949][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.127950][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.127955][  T291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.127959][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.127961][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.127966][  T291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.127970][  T291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.127971][  T291]  ? 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))
[   14.127974][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.127976][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.127980][  T291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.127984][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.127985][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.127991][  T291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.127993][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.127995][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.127997][  T291]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.128001][  T291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.128002][  T291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.128005][  T291]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.128009][  T291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.128011][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.128013][  T291]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   14.128015][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.128019][  T291]  _printk (kernel/printk/printk.c:2504)
[   14.128022][  T291]  ? snapshot_read.cold (user.c:?)
[   14.128024][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.128030][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.128032][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.128034][  T291]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.128038][  T291]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.128041][  T291]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.128043][  T291]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.128046][  T291]  ? netdev_notice (net/core/dev.c:13194)
[   14.128048][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.128051][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.128054][  T291]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.128057][  T291]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.128060][  T291]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.128063][  T291]  ? 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))
[   14.128069][  T291]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.128072][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.128075][  T291]  ? write_profile (profile.c:?)
[   14.128079][  T291]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.128084][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.128089][  T291]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.128091][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.128092][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.128094][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.128098][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.128100][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.128102][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.128105][  T291]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.128108][  T291]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.128109][  T291]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.128112][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.128114][  T291]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   14.128117][  T291]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   14.128122][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.128124][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.128127][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.128129][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.128131][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.128132][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.128134][  T291]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.128136][  T291]  ? __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)
[   14.128140][  T291]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.128142][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.128145][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.128147][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.128153][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.128159][  T291]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.128164][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.128166][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.128171][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.128173][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.128175][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.128177][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.128181][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.128183][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.128186][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.128188][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.128192][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.128194][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.128198][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.128200][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.128203][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.128209][  T291]  ? 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))
[   14.128210][  T291]  ? 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))
[   14.128215][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.128218][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.128221][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   14.128226][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.128229][  T291]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.128231][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.128234][  T291]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.128238][  T291]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.128242][  T291]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.128245][  T291]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.128247][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.128248][  T291]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   14.128261][  T291]  ___sys_sendmsg (net/socket.c:2767)
[   14.128264][  T291]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.128281][  T291]  __sys_sendmsg (net/socket.c:2799)
[   14.128285][  T291]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.128292][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.128295][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.128298][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.128301][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.128303][  T291] RIP: 0033:0x7f057450754e
[   14.128308][  T291] 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
[   14.128309][  T291] RSP: 002b:00007ffce8ef14d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.128312][  T291] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f057450754e
[   14.128313][  T291] RDX: 0000000000000000 RSI: 00007ffce8ef1580 RDI: 0000000000000005
[   14.128314][  T291] RBP: 00007ffce8ef14e0 R08: 0000000000000000 R09: 0000000000000000
[   14.128315][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913911
[   14.128316][  T291] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce8ef1c50
| [   15.186851][  T301] softirqs last disabled at (16866): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.186854][  T301] Preemption disabled at:
| [   15.186855][  T301] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.186864][  T301] Tainted: [W]=WARN
[   15.186865][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.186867][  T301] Call Trace:
[   15.186868][  T301]  <TASK>
[   15.186870][  T301]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.186875][  T301]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.186877][  T301]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.186882][  T301]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.186885][  T301]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.186890][  T301]  __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))
[   15.186893][  T301]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.186899][  T301]  ? 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)
[   15.186902][  T301]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.186906][  T301]  put_chars (drivers/char/virtio_console.c:1176)
[   15.186909][  T301]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.186913][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.186916][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.186921][  T301]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.186925][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.186927][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.186932][  T301]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.186935][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.186938][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.186942][  T301]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.186946][  T301]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.186947][  T301]  ? 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))
[   15.186950][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.186952][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.186956][  T301]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.186960][  T301]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.186961][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.186967][  T301]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.186970][  T301]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.186971][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.186973][  T301]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.186977][  T301]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.186979][  T301]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.186982][  T301]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.186986][  T301]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.186988][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.186990][  T301]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   15.186992][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   15.186996][  T301]  _printk (kernel/printk/printk.c:2504)
[   15.187000][  T301]  ? snapshot_read.cold (user.c:?)
[   15.187002][  T301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.187005][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.187007][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.187009][  T301]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.187013][  T301]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.187016][  T301]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.187018][  T301]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.187021][  T301]  ? netdev_notice (net/core/dev.c:13194)
[   15.187023][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.187028][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.187031][  T301]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.187035][  T301]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.187037][  T301]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.187040][  T301]  ? 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))
[   15.187046][  T301]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.187049][  T301]  ? __kernel_text_address (kernel/extable.c:79)
[   15.187052][  T301]  ? write_profile (profile.c:?)
[   15.187056][  T301]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.187062][  T301]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.187067][  T301]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.187069][  T301]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.187070][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.187072][  T301]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.187076][  T301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.187078][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.187080][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.187083][  T301]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.187086][  T301]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.187088][  T301]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.187091][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.187093][  T301]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   15.187096][  T301]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   15.187101][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.187103][  T301]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.187106][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.187108][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.187110][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.187111][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.187113][  T301]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.187116][  T301]  ? __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)
[   15.187119][  T301]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.187122][  T301]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.187125][  T301]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.187127][  T301]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.187134][  T301]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.187139][  T301]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.187145][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.187147][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.187152][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.187154][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.187156][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.187158][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.187162][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.187164][  T301]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.187167][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.187169][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.187173][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.187176][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.187179][  T301]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.187181][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.187184][  T301]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.187191][  T301]  ? 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))
[   15.187192][  T301]  ? 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))
[   15.187197][  T301]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.187201][  T301]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.187203][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   15.187208][  T301]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.187212][  T301]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.187213][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.187216][  T301]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.187220][  T301]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.187224][  T301]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.187227][  T301]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.187229][  T301]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.187231][  T301]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   15.187239][  T301]  ___sys_sendmsg (net/socket.c:2767)
[   15.187242][  T301]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.187263][  T301]  __sys_sendmsg (net/socket.c:2799)
[   15.187267][  T301]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.187274][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.187277][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.187280][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.187283][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.187285][  T301] RIP: 0033:0x7fde4a5ae54e
[   15.187289][  T301] 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
[   15.187291][  T301] RSP: 002b:00007ffc6a197e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.187293][  T301] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde4a5ae54e
[   15.187295][  T301] RDX: 0000000000000000 RSI: 00007ffc6a197f10 RDI: 0000000000000005
[   15.187296][  T301] RBP: 00007ffc6a197e70 R08: 0000000000000000 R09: 0000000000000000
[   15.187296][  T301] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913912
[   15.187297][  T301] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6a1985e0
| [   16.373437][  T311] softirqs last disabled at (25350): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.373440][  T311] Preemption disabled at:
| [   16.373441][  T311] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.373450][  T311] Tainted: [W]=WARN
[   16.373451][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.373452][  T311] Call Trace:
[   16.373454][  T311]  <TASK>
[   16.373456][  T311]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.373461][  T311]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.373463][  T311]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.373468][  T311]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.373473][  T311]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.373478][  T311]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.373481][  T311]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.373487][  T311]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.373490][  T311]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.373493][  T311]  put_chars (drivers/char/virtio_console.c:1176)
[   16.373496][  T311]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.373500][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.373504][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.373508][  T311]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.373512][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.373514][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.373519][  T311]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.373522][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.373524][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.373529][  T311]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.373532][  T311]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.373534][  T311]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.373537][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.373539][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.373543][  T311]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.373547][  T311]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.373548][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.373554][  T311]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.373556][  T311]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.373557][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.373559][  T311]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.373563][  T311]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.373565][  T311]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.373568][  T311]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.373571][  T311]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.373574][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.373576][  T311]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   16.373578][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   16.373582][  T311]  _printk (kernel/printk/printk.c:2504)
[   16.373585][  T311]  ? snapshot_read.cold (user.c:?)
[   16.373587][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.373590][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.373592][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.373594][  T311]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.373597][  T311]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.373600][  T311]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.373602][  T311]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.373605][  T311]  ? netdev_notice (net/core/dev.c:13194)
[   16.373608][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.373611][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.373613][  T311]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.373617][  T311]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.373619][  T311]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.373622][  T311]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   16.373629][  T311]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.373631][  T311]  ? __kernel_text_address (kernel/extable.c:79)
[   16.373634][  T311]  ? write_profile (profile.c:?)
[   16.373638][  T311]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.373643][  T311]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.373648][  T311]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.373650][  T311]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.373651][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.373654][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.373657][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.373659][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.373661][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.373664][  T311]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.373667][  T311]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.373669][  T311]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.373672][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.373674][  T311]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   16.373677][  T311]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   16.373682][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.373684][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.373687][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.373689][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.373691][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.373692][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.373694][  T311]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.373696][  T311]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.373700][  T311]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.373702][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.373705][  T311]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.373707][  T311]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.373713][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.373719][  T311]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.373724][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.373726][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.373731][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.373733][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.373735][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.373737][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.373741][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.373743][  T311]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.373746][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.373747][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.373752][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.373754][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.373758][  T311]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.373760][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.373763][  T311]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.373769][  T311]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.373770][  T311]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.373775][  T311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.373778][  T311]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.373781][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   16.373785][  T311]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.373789][  T311]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.373791][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.373794][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.373798][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.373802][  T311]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.373804][  T311]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.373806][  T311]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.373808][  T311]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   16.373815][  T311]  ___sys_sendmsg (net/socket.c:2767)
[   16.373818][  T311]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.373835][  T311]  __sys_sendmsg (net/socket.c:2799)
[   16.373838][  T311]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.373844][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.373847][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.373850][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.373853][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.373856][  T311] RIP: 0033:0x7f3a3bc0954e
[   16.373860][  T311] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.373862][  T311] RSP: 002b:00007ffc38bf6a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.373864][  T311] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3a3bc0954e
[   16.373865][  T311] RDX: 0000000000000000 RSI: 00007ffc38bf6ae0 RDI: 0000000000000005
[   16.373866][  T311] RBP: 00007ffc38bf6a40 R08: 0000000000000000 R09: 0000000000000000
[   16.373867][  T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913913
[   16.373868][  T311] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc38bf71b0
| [   17.374546][  T318] softirqs last disabled at (23604): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.374548][  T318] Preemption disabled at:
| [   17.374549][  T318] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.374558][  T318] Tainted: [W]=WARN
[   17.374559][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.374561][  T318] Call Trace:
[   17.374562][  T318]  <TASK>
[   17.374564][  T318]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.374569][  T318]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.374570][  T318]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.374575][  T318]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.374578][  T318]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.374584][  T318]  __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))
[   17.374586][  T318]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.374592][  T318]  ? 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)
[   17.374595][  T318]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.374599][  T318]  put_chars (drivers/char/virtio_console.c:1176)
[   17.374601][  T318]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.374605][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.374609][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.374613][  T318]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.374617][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.374619][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.374623][  T318]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.374627][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.374629][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.374634][  T318]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.374637][  T318]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.374638][  T318]  ? 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))
[   17.374641][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.374643][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.374647][  T318]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.374651][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.374652][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.374658][  T318]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.374660][  T318]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.374662][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.374664][  T318]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.374668][  T318]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.374670][  T318]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.374673][  T318]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.374676][  T318]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.374678][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.374680][  T318]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   17.374682][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   17.374686][  T318]  _printk (kernel/printk/printk.c:2504)
[   17.374689][  T318]  ? snapshot_read.cold (user.c:?)
[   17.374691][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.374694][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.374696][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.374698][  T318]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.374702][  T318]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.374704][  T318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.374707][  T318]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.374709][  T318]  ? netdev_notice (net/core/dev.c:13194)
[   17.374712][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.374715][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.374717][  T318]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.374721][  T318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.374723][  T318]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.374726][  T318]  ? 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))
[   17.374733][  T318]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.374735][  T318]  ? __kernel_text_address (kernel/extable.c:79)
[   17.374738][  T318]  ? write_profile (profile.c:?)
[   17.374742][  T318]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.374747][  T318]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.374751][  T318]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.374754][  T318]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.374755][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.374757][  T318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.374761][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.374763][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.374765][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.374768][  T318]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.374770][  T318]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.374772][  T318]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.374775][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.374777][  T318]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   17.374780][  T318]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   17.374785][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.374787][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.374790][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.374792][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.374793][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.374795][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.374797][  T318]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.374799][  T318]  ? __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)
[   17.374802][  T318]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.374805][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.374808][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.374810][  T318]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.374816][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.374821][  T318]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.374826][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.374828][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.374833][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.374835][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.374837][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.374839][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.374843][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.374845][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.374848][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.374849][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.374854][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.374856][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.374860][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.374861][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.374864][  T318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.374870][  T318]  ? 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))
[   17.374872][  T318]  ? 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))
[   17.374876][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.374880][  T318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.374883][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   17.374887][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.374891][  T318]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.374892][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.374895][  T318]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.374899][  T318]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.374903][  T318]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.374905][  T318]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.374907][  T318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.374909][  T318]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   17.374916][  T318]  ___sys_sendmsg (net/socket.c:2767)
[   17.374919][  T318]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.374935][  T318]  __sys_sendmsg (net/socket.c:2799)
[   17.374938][  T318]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.374944][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.374947][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.374950][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.374953][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.374956][  T318] RIP: 0033:0x7fb8293fb54e
[   17.374959][  T318] 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
[   17.374961][  T318] RSP: 002b:00007fffd0d432d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.374963][  T318] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb8293fb54e
[   17.374965][  T318] RDX: 0000000000000000 RSI: 00007fffd0d43380 RDI: 0000000000000005
[   17.374966][  T318] RBP: 00007fffd0d432e0 R08: 0000000000000000 R09: 0000000000000000
[   17.374966][  T318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913914
[   17.374967][  T318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd0d43a50
| [   18.396604][  T328] softirqs last disabled at (17364): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   18.396606][  T328] Preemption disabled at:
| [   18.396607][  T328] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.396616][  T328] Tainted: [W]=WARN
[   18.396617][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.396618][  T328] Call Trace:
[   18.396620][  T328]  <TASK>
[   18.396621][  T328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.396626][  T328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.396628][  T328]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.396633][  T328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.396636][  T328]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.396641][  T328]  __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))
[   18.396644][  T328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.396650][  T328]  ? 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)
[   18.396653][  T328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.396657][  T328]  put_chars (drivers/char/virtio_console.c:1176)
[   18.396660][  T328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.396663][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.396667][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.396672][  T328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.396675][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.396677][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.396682][  T328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.396685][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.396688][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.396692][  T328]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.396696][  T328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.396697][  T328]  ? 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))
[   18.396700][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.396702][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.396706][  T328]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.396710][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.396711][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.396717][  T328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.396719][  T328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.396721][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.396723][  T328]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.396726][  T328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.396728][  T328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.396731][  T328]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.396735][  T328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.396737][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.396739][  T328]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   18.396741][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   18.396745][  T328]  _printk (kernel/printk/printk.c:2504)
[   18.396748][  T328]  ? snapshot_read.cold (user.c:?)
[   18.396750][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.396753][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.396755][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.396757][  T328]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.396761][  T328]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.396763][  T328]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.396766][  T328]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.396768][  T328]  ? netdev_notice (net/core/dev.c:13194)
[   18.396771][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.396774][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.396777][  T328]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.396781][  T328]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.396783][  T328]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   18.396786][  T328]  ? 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))
[   18.396792][  T328]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   18.396795][  T328]  ? __kernel_text_address (kernel/extable.c:79)
[   18.396798][  T328]  ? write_profile (profile.c:?)
[   18.396802][  T328]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   18.396807][  T328]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.396812][  T328]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.396814][  T328]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.396815][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.396817][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.396821][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.396823][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.396825][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.396828][  T328]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.396831][  T328]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.396833][  T328]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.396835][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.396837][  T328]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   18.396841][  T328]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   18.396846][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.396848][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.396850][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.396852][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.396854][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.396855][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.396857][  T328]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.396860][  T328]  ? __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)
[   18.396863][  T328]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.396865][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.396869][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.396871][  T328]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.396876][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.396882][  T328]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.396887][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.396889][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.396894][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.396896][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.396898][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.396900][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.396904][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.396906][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.396909][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.396911][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.396915][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.396917][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.396921][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.396923][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.396926][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.396932][  T328]  ? 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))
[   18.396934][  T328]  ? 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))
[   18.396938][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.396942][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.396945][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   18.396949][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.396953][  T328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.396954][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.396958][  T328]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.396961][  T328]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.396965][  T328]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.396968][  T328]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.396970][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.396972][  T328]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   18.396979][  T328]  ___sys_sendmsg (net/socket.c:2767)
[   18.396982][  T328]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.396998][  T328]  __sys_sendmsg (net/socket.c:2799)
[   18.397002][  T328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.397008][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.397011][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.397014][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.397017][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.397019][  T328] RIP: 0033:0x7f16b116954e
[   18.397023][  T328] 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
[   18.397027][  T328] RSP: 002b:00007fff30461d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.397030][  T328] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f16b116954e
[   18.397031][  T328] RDX: 0000000000000000 RSI: 00007fff30461e40 RDI: 0000000000000005
[   18.397032][  T328] RBP: 00007fff30461da0 R08: 0000000000000000 R09: 0000000000000000
[   18.397033][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913915
[   18.397033][  T328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff30462510
| [   19.432602][  T335] softirqs last disabled at (23228): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.432605][  T335] Preemption disabled at:
| [   19.432605][  T335] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.432615][  T335] Tainted: [W]=WARN
[   19.432616][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.432618][  T335] Call Trace:
[   19.432619][  T335]  <TASK>
[   19.432621][  T335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.432626][  T335]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.432628][  T335]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.432632][  T335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.432636][  T335]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.432641][  T335]  __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))
[   19.432643][  T335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.432650][  T335]  ? 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)
[   19.432653][  T335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.432656][  T335]  put_chars (drivers/char/virtio_console.c:1176)
[   19.432660][  T335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.432663][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.432667][  T335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.432671][  T335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.432675][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.432677][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.432682][  T335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.432685][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432688][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.432692][  T335]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.432696][  T335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.432697][  T335]  ? 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))
[   19.432700][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432702][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.432706][  T335]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.432710][  T335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.432711][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.432717][  T335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.432719][  T335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.432721][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432723][  T335]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.432727][  T335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.432729][  T335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.432732][  T335]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.432735][  T335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.432737][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.432739][  T335]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   19.432741][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.432745][  T335]  _printk (kernel/printk/printk.c:2504)
[   19.432749][  T335]  ? snapshot_read.cold (user.c:?)
[   19.432751][  T335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.432754][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.432756][  T335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.432758][  T335]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.432762][  T335]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.432764][  T335]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.432766][  T335]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.432769][  T335]  ? netdev_notice (net/core/dev.c:13194)
[   19.432772][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.432775][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.432778][  T335]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.432782][  T335]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.432784][  T335]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.432787][  T335]  ? 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))
[   19.432793][  T335]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.432796][  T335]  ? __kernel_text_address (kernel/extable.c:79)
[   19.432799][  T335]  ? write_profile (profile.c:?)
[   19.432803][  T335]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.432808][  T335]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.432813][  T335]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.432815][  T335]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.432817][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.432819][  T335]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.432822][  T335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.432824][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.432827][  T335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.432829][  T335]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.432832][  T335]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.432834][  T335]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.432837][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.432839][  T335]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   19.432842][  T335]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   19.432847][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.432850][  T335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.432852][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432854][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.432856][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432857][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432859][  T335]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.432862][  T335]  ? __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)
[   19.432865][  T335]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.432868][  T335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.432871][  T335]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.432873][  T335]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.432880][  T335]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.432885][  T335]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.432891][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.432893][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.432898][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.432900][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.432902][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.432904][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.432908][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.432910][  T335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.432913][  T335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.432915][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.432920][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.432922][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.432926][  T335]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.432928][  T335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.432931][  T335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.432937][  T335]  ? 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))
[   19.432939][  T335]  ? 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))
[   19.432943][  T335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.432947][  T335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.432950][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   19.432955][  T335]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.432959][  T335]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.432960][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.432963][  T335]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.432967][  T335]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.432972][  T335]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.432974][  T335]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.432977][  T335]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.432978][  T335]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   19.432986][  T335]  ___sys_sendmsg (net/socket.c:2767)
[   19.432989][  T335]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.433006][  T335]  __sys_sendmsg (net/socket.c:2799)
[   19.433009][  T335]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.433016][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.433019][  T335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.433022][  T335]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.433025][  T335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.433030][  T335] RIP: 0033:0x7f3e005c754e
[   19.433034][  T335] 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
[   19.433035][  T335] RSP: 002b:00007fffd9f08170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.433038][  T335] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e005c754e
[   19.433039][  T335] RDX: 0000000000000000 RSI: 00007fffd9f08220 RDI: 0000000000000005
[   19.433040][  T335] RBP: 00007fffd9f08180 R08: 0000000000000000 R09: 0000000000000000
[   19.433041][  T335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913916
[   19.433042][  T335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd9f088f0
| [   20.434231][  T344] softirqs last disabled at (18536): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.434234][  T344] Preemption disabled at:
| [   20.434234][  T344] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.434243][  T344] Tainted: [W]=WARN
[   20.434244][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.434245][  T344] Call Trace:
[   20.434247][  T344]  <TASK>
[   20.434248][  T344]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.434253][  T344]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.434255][  T344]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.434260][  T344]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.434263][  T344]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.434268][  T344]  __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))
[   20.434270][  T344]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.434276][  T344]  ? 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)
[   20.434285][  T344]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.434289][  T344]  put_chars (drivers/char/virtio_console.c:1176)
[   20.434291][  T344]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.434295][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.434298][  T344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.434303][  T344]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.434306][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.434308][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.434312][  T344]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.434315][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.434318][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.434322][  T344]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.434325][  T344]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.434326][  T344]  ? 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))
[   20.434329][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.434331][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.434335][  T344]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.434338][  T344]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.434340][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.434345][  T344]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.434347][  T344]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.434349][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.434350][  T344]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.434354][  T344]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.434356][  T344]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.434359][  T344]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.434362][  T344]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.434364][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.434366][  T344]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   20.434368][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   20.434372][  T344]  _printk (kernel/printk/printk.c:2504)
[   20.434375][  T344]  ? snapshot_read.cold (user.c:?)
[   20.434377][  T344]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.434380][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.434382][  T344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.434384][  T344]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.434387][  T344]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.434390][  T344]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.434392][  T344]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.434394][  T344]  ? netdev_notice (net/core/dev.c:13194)
[   20.434397][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.434400][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.434402][  T344]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.434406][  T344]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.434408][  T344]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.434412][  T344]  ? 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))
[   20.434420][  T344]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.434422][  T344]  ? __kernel_text_address (kernel/extable.c:79)
[   20.434425][  T344]  ? write_profile (profile.c:?)
[   20.434429][  T344]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.434434][  T344]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.434438][  T344]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.434440][  T344]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.434442][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.434444][  T344]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.434447][  T344]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.434449][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.434451][  T344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.434454][  T344]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.434457][  T344]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.434458][  T344]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.434461][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.434463][  T344]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   20.434466][  T344]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   20.434471][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.434473][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.434476][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.434477][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.434479][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.434480][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.434482][  T344]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.434485][  T344]  ? __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)
[   20.434488][  T344]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.434490][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.434493][  T344]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.434495][  T344]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.434501][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.434506][  T344]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.434511][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.434512][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.434517][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.434519][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.434521][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.434523][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.434527][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.434529][  T344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.434532][  T344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.434533][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.434537][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.434539][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.434543][  T344]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.434545][  T344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.434548][  T344]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.434554][  T344]  ? 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))
[   20.434555][  T344]  ? 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))
[   20.434559][  T344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.434563][  T344]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.434566][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   20.434570][  T344]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.434573][  T344]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.434575][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.434578][  T344]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.434581][  T344]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.434585][  T344]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.434588][  T344]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.434590][  T344]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.434591][  T344]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   20.434599][  T344]  ___sys_sendmsg (net/socket.c:2767)
[   20.434601][  T344]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.434617][  T344]  __sys_sendmsg (net/socket.c:2799)
[   20.434620][  T344]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.434626][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.434629][  T344]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.434632][  T344]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.434635][  T344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.434637][  T344] RIP: 0033:0x7f942938554e
[   20.434641][  T344] 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
[   20.434643][  T344] RSP: 002b:00007ffff6d32b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.434645][  T344] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f942938554e
[   20.434647][  T344] RDX: 0000000000000000 RSI: 00007ffff6d32c10 RDI: 0000000000000005
[   20.434647][  T344] RBP: 00007ffff6d32b70 R08: 0000000000000000 R09: 0000000000000000
[   20.434648][  T344] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913917
[   20.434649][  T344] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff6d332e0
| [   21.514871][  T353] softirqs last disabled at (17584): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.514874][  T353] Preemption disabled at:
| [   21.514874][  T353] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.514884][  T353] Tainted: [W]=WARN
[   21.514885][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.514887][  T353] Call Trace:
[   21.514888][  T353]  <TASK>
[   21.514890][  T353]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.514895][  T353]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.514897][  T353]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.514902][  T353]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.514905][  T353]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.514910][  T353]  __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))
[   21.514913][  T353]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.514919][  T353]  ? 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)
[   21.514922][  T353]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.514925][  T353]  put_chars (drivers/char/virtio_console.c:1176)
[   21.514928][  T353]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.514932][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.514936][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.514940][  T353]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.514944][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.514946][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.514950][  T353]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.514954][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.514956][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.514960][  T353]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.514964][  T353]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.514965][  T353]  ? 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))
[   21.514968][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.514970][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.514974][  T353]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.514978][  T353]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.514979][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.514985][  T353]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.514987][  T353]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.514988][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.514990][  T353]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.514994][  T353]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.514996][  T353]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.514999][  T353]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.515003][  T353]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.515005][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.515010][  T353]  _printk (kernel/printk/printk.c:2504)
[   21.515013][  T353]  ? snapshot_read.cold (user.c:?)
[   21.515015][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.515018][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.515020][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.515022][  T353]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.515027][  T353]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.515030][  T353]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.515032][  T353]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.515035][  T353]  ? netdev_notice (net/core/dev.c:13194)
[   21.515037][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.515041][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.515043][  T353]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.515047][  T353]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.515049][  T353]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.515053][  T353]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   21.515059][  T353]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.515061][  T353]  ? __kernel_text_address (kernel/extable.c:79)
[   21.515065][  T353]  ? write_profile (profile.c:?)
[   21.515068][  T353]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.515073][  T353]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.515078][  T353]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.515081][  T353]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.515082][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.515084][  T353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.515088][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.515090][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.515092][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.515095][  T353]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.515097][  T353]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.515099][  T353]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.515102][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.515104][  T353]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   21.515107][  T353]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   21.515112][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.515114][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.515117][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.515119][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.515121][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.515122][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.515124][  T353]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.515127][  T353]  ? __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)
[   21.515130][  T353]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.515132][  T353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.515136][  T353]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.515138][  T353]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.515144][  T353]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.515149][  T353]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.515154][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.515156][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.515161][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.515163][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.515165][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.515167][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.515171][  T353]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.515173][  T353]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.515176][  T353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.515178][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.515183][  T353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.515185][  T353]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.515188][  T353]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.515190][  T353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.515193][  T353]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.515199][  T353]  ? 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))
[   21.515201][  T353]  ? 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))
[   21.515205][  T353]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.515209][  T353]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.515211][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   21.515216][  T353]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.515219][  T353]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.515221][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.515224][  T353]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.515228][  T353]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.515232][  T353]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.515234][  T353]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.515236][  T353]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.515238][  T353]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   21.515246][  T353]  ___sys_sendmsg (net/socket.c:2767)
[   21.515248][  T353]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.515265][  T353]  __sys_sendmsg (net/socket.c:2799)
[   21.515268][  T353]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.515274][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.515278][  T353]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.515280][  T353]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.515289][  T353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.515291][  T353] RIP: 0033:0x7f4d1322a54e
[   21.515295][  T353] 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
[   21.515297][  T353] RSP: 002b:00007ffe19362da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.515299][  T353] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4d1322a54e
[   21.515301][  T353] RDX: 0000000000000000 RSI: 00007ffe19362e50 RDI: 0000000000000005
[   21.515301][  T353] RBP: 00007ffe19362db0 R08: 0000000000000000 R09: 0000000000000000
[   21.515302][  T353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913918
[   21.515303][  T353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe19363520
| [   22.619448][  T362] softirqs last disabled at (16990): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.619451][  T362] Preemption disabled at:
| [   22.619451][  T362] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.619460][  T362] Tainted: [W]=WARN
[   22.619461][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.619463][  T362] Call Trace:
[   22.619465][  T362]  <TASK>
[   22.619466][  T362]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.619471][  T362]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.619473][  T362]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.619478][  T362]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.619481][  T362]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.619486][  T362]  __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))
[   22.619489][  T362]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.619495][  T362]  ? 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)
[   22.619498][  T362]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.619502][  T362]  put_chars (drivers/char/virtio_console.c:1176)
[   22.619505][  T362]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.619509][  T362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.619512][  T362]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.619517][  T362]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.619520][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.619522][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.619527][  T362]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.619530][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.619533][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.619537][  T362]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.619541][  T362]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.619542][  T362]  ? 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))
[   22.619545][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.619547][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.619551][  T362]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.619555][  T362]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.619556][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.619562][  T362]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.619564][  T362]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.619565][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.619567][  T362]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.619571][  T362]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.619573][  T362]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.619576][  T362]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.619580][  T362]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.619582][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.619584][  T362]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   22.619586][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   22.619590][  T362]  _printk (kernel/printk/printk.c:2504)
[   22.619593][  T362]  ? snapshot_read.cold (user.c:?)
[   22.619595][  T362]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.619598][  T362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.619600][  T362]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.619602][  T362]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.619605][  T362]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.619608][  T362]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.619610][  T362]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.619613][  T362]  ? netdev_notice (net/core/dev.c:13194)
[   22.619615][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.619618][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.619621][  T362]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.619625][  T362]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.619627][  T362]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.619630][  T362]  ? 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))
[   22.619636][  T362]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.619639][  T362]  ? __kernel_text_address (kernel/extable.c:79)
[   22.619642][  T362]  ? write_profile (profile.c:?)
[   22.619646][  T362]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.619651][  T362]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.619656][  T362]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.619658][  T362]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.619659][  T362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.619661][  T362]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.619665][  T362]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.619667][  T362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.619669][  T362]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.619672][  T362]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.619675][  T362]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.619677][  T362]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.619680][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.619682][  T362]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   22.619685][  T362]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   22.619690][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.619692][  T362]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.619695][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.619697][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.619699][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.619700][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.619702][  T362]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.619704][  T362]  ? __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)
[   22.619708][  T362]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.619710][  T362]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.619714][  T362]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.619716][  T362]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.619722][  T362]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.619727][  T362]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.619733][  T362]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.619735][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.619740][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.619742][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.619744][  T362]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.619746][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.619750][  T362]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.619752][  T362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.619755][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.619756][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.619761][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.619763][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.619767][  T362]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.619769][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.619772][  T362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.619778][  T362]  ? 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))
[   22.619780][  T362]  ? 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))
[   22.619784][  T362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.619788][  T362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.619791][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   22.619795][  T362]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.619799][  T362]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.619801][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.619804][  T362]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.619808][  T362]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.619812][  T362]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.619814][  T362]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.619817][  T362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.619818][  T362]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   22.619826][  T362]  ___sys_sendmsg (net/socket.c:2767)
[   22.619829][  T362]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.619846][  T362]  __sys_sendmsg (net/socket.c:2799)
[   22.619849][  T362]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.619856][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.619859][  T362]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.619862][  T362]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.619865][  T362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.619868][  T362] RIP: 0033:0x7ff0fc74b54e
[   22.619872][  T362] 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
[   22.619874][  T362] RSP: 002b:00007ffccb31ae30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.619876][  T362] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff0fc74b54e
[   22.619878][  T362] RDX: 0000000000000000 RSI: 00007ffccb31aee0 RDI: 0000000000000005
[   22.619878][  T362] RBP: 00007ffccb31ae40 R08: 0000000000000000 R09: 0000000000000000
[   22.619879][  T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91391a
[   22.619880][  T362] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccb31b5b0
| [   23.737951][  T371] softirqs last disabled at (24464): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.737954][  T371] Preemption disabled at:
| [   23.737954][  T371] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.737963][  T371] Tainted: [W]=WARN
[   23.737964][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.737966][  T371] Call Trace:
[   23.737967][  T371]  <TASK>
[   23.737969][  T371]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.737974][  T371]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.737976][  T371]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.737980][  T371]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.737984][  T371]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.737989][  T371]  __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))
[   23.737991][  T371]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.737998][  T371]  ? 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)
[   23.738001][  T371]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.738004][  T371]  put_chars (drivers/char/virtio_console.c:1176)
[   23.738007][  T371]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.738011][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.738015][  T371]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.738020][  T371]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.738023][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.738028][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.738033][  T371]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.738036][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.738039][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.738043][  T371]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.738047][  T371]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.738048][  T371]  ? 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))
[   23.738051][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.738053][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.738057][  T371]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.738061][  T371]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.738062][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.738068][  T371]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.738070][  T371]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.738072][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.738074][  T371]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.738078][  T371]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.738080][  T371]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.738083][  T371]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.738086][  T371]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.738088][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.738090][  T371]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   23.738092][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   23.738096][  T371]  _printk (kernel/printk/printk.c:2504)
[   23.738100][  T371]  ? snapshot_read.cold (user.c:?)
[   23.738101][  T371]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.738104][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.738107][  T371]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.738109][  T371]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.738112][  T371]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.738115][  T371]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.738117][  T371]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.738120][  T371]  ? netdev_notice (net/core/dev.c:13194)
[   23.738123][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.738126][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.738128][  T371]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.738132][  T371]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.738134][  T371]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.738138][  T371]  ? 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))
[   23.738144][  T371]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.738146][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   23.738149][  T371]  ? write_profile (profile.c:?)
[   23.738153][  T371]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.738158][  T371]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.738163][  T371]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.738165][  T371]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.738167][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.738169][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.738173][  T371]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.738175][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.738177][  T371]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.738180][  T371]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.738183][  T371]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.738184][  T371]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.738187][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.738189][  T371]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   23.738192][  T371]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   23.738198][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.738200][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.738203][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.738205][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.738206][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.738208][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.738210][  T371]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.738213][  T371]  ? __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)
[   23.738216][  T371]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.738218][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.738222][  T371]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.738224][  T371]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.738230][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.738235][  T371]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.738241][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.738243][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.738248][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.738250][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.738252][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.738254][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.738258][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.738260][  T371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.738263][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.738264][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.738269][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.738271][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.738275][  T371]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.738277][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.738280][  T371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.738286][  T371]  ? 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))
[   23.738288][  T371]  ? 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))
[   23.738297][  T371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.738300][  T371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.738303][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   23.738308][  T371]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.738312][  T371]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.738313][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.738316][  T371]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.738320][  T371]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.738324][  T371]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.738327][  T371]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.738329][  T371]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.738331][  T371]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   23.738338][  T371]  ___sys_sendmsg (net/socket.c:2767)
[   23.738341][  T371]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.738358][  T371]  __sys_sendmsg (net/socket.c:2799)
[   23.738361][  T371]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.738368][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.738371][  T371]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.738374][  T371]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.738377][  T371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.738379][  T371] RIP: 0033:0x7f0da3c3e54e
[   23.738383][  T371] 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
[   23.738385][  T371] RSP: 002b:00007ffe53a672c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.738387][  T371] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0da3c3e54e
[   23.738388][  T371] RDX: 0000000000000000 RSI: 00007ffe53a67370 RDI: 0000000000000005
[   23.738389][  T371] RBP: 00007ffe53a672d0 R08: 0000000000000000 R09: 0000000000000000
[   23.738390][  T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91391b
[   23.738391][  T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe53a67a40
| [   24.799367][  T379] softirqs last disabled at (21774): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.799370][  T379] Preemption disabled at:
| [   24.799371][  T379] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.799380][  T379] Tainted: [W]=WARN
[   24.799381][  T379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.799382][  T379] Call Trace:
[   24.799384][  T379]  <TASK>
[   24.799385][  T379]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.799391][  T379]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.799392][  T379]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.799397][  T379]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.799400][  T379]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.799405][  T379]  __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))
[   24.799408][  T379]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.799416][  T379]  ? 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)
[   24.799419][  T379]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.799423][  T379]  put_chars (drivers/char/virtio_console.c:1176)
[   24.799426][  T379]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.799429][  T379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.799433][  T379]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.799438][  T379]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.799441][  T379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.799443][  T379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.799448][  T379]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.799451][  T379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.799454][  T379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.799458][  T379]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.799461][  T379]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.799463][  T379]  ? 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))
[   24.799465][  T379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.799467][  T379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.799471][  T379]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.799475][  T379]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.799476][  T379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.799482][  T379]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.799484][  T379]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.799485][  T379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.799487][  T379]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.799491][  T379]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.799493][  T379]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.799496][  T379]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.799500][  T379]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.799502][  T379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.799504][  T379]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   24.799506][  T379]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.799510][  T379]  _printk (kernel/printk/printk.c:2504)
[   24.799513][  T379]  ? snapshot_read.cold (user.c:?)
[   24.799515][  T379]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.799518][  T379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.799520][  T379]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.799522][  T379]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.799526][  T379]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.799528][  T379]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.799530][  T379]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.799533][  T379]  ? netdev_notice (net/core/dev.c:13194)
[   24.799536][  T379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.799539][  T379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.799541][  T379]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.799545][  T379]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.799547][  T379]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.799550][  T379]  ? 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))
[   24.799556][  T379]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.799559][  T379]  ? __kernel_text_address (kernel/extable.c:79)
[   24.799562][  T379]  ? write_profile (profile.c:?)
[   24.799566][  T379]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.799571][  T379]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.799576][  T379]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.799578][  T379]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.799580][  T379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.799582][  T379]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.799585][  T379]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.799587][  T379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.799589][  T379]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.799592][  T379]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.799595][  T379]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.799597][  T379]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.799599][  T379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.799601][  T379]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   24.799604][  T379]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   24.799610][  T379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.799612][  T379]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.799614][  T379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.799616][  T379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.799618][  T379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.799619][  T379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.799621][  T379]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.799624][  T379]  ? __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)
[   24.799628][  T379]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.799630][  T379]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.799633][  T379]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.799635][  T379]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.799641][  T379]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.799646][  T379]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.799652][  T379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.799654][  T379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.799659][  T379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.799661][  T379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.799663][  T379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.799664][  T379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.799669][  T379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.799671][  T379]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.799674][  T379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.799675][  T379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.799680][  T379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.799682][  T379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.799685][  T379]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.799687][  T379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.799690][  T379]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.799696][  T379]  ? 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))
[   24.799698][  T379]  ? 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))
[   24.799702][  T379]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.799706][  T379]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.799709][  T379]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   24.799713][  T379]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.799717][  T379]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.799718][  T379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.799721][  T379]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.799725][  T379]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.799729][  T379]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.799732][  T379]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.799734][  T379]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.799736][  T379]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   24.799743][  T379]  ___sys_sendmsg (net/socket.c:2767)
[   24.799746][  T379]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.799762][  T379]  __sys_sendmsg (net/socket.c:2799)
[   24.799766][  T379]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.799772][  T379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.799775][  T379]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.799778][  T379]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.799781][  T379]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.799784][  T379] RIP: 0033:0x7f9f6f7ff54e
[   24.799788][  T379] 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
[   24.799789][  T379] RSP: 002b:00007ffc6826f250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.799792][  T379] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9f6f7ff54e
[   24.799793][  T379] RDX: 0000000000000000 RSI: 00007ffc6826f300 RDI: 0000000000000005
[   24.799794][  T379] RBP: 00007ffc6826f260 R08: 0000000000000000 R09: 0000000000000000
[   24.799795][  T379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91391c
[   24.799796][  T379] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6826f9d0
| [   25.969904][  T388] softirqs last disabled at (27258): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.969906][  T388] Preemption disabled at:
| [   25.969907][  T388] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.969915][  T388] Tainted: [W]=WARN
[   25.969916][  T388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.969918][  T388] Call Trace:
[   25.969920][  T388]  <TASK>
[   25.969921][  T388]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.969927][  T388]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.969928][  T388]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.969933][  T388]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.969936][  T388]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.969942][  T388]  __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))
[   25.969944][  T388]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.969950][  T388]  ? 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)
[   25.969953][  T388]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.969957][  T388]  put_chars (drivers/char/virtio_console.c:1176)
[   25.969959][  T388]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.969963][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.969967][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.969971][  T388]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.969975][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.969977][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.969982][  T388]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.969985][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.969988][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.969992][  T388]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.969995][  T388]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.969997][  T388]  ? 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))
[   25.969999][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.970001][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.970006][  T388]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.970009][  T388]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.970011][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.970016][  T388]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.970019][  T388]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.970020][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.970022][  T388]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.970028][  T388]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.970030][  T388]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.970033][  T388]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.970036][  T388]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.970038][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.970040][  T388]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   25.970042][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   25.970046][  T388]  _printk (kernel/printk/printk.c:2504)
[   25.970050][  T388]  ? snapshot_read.cold (user.c:?)
[   25.970051][  T388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.970054][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.970056][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.970059][  T388]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.970062][  T388]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.970065][  T388]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.970067][  T388]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.970070][  T388]  ? netdev_notice (net/core/dev.c:13194)
[   25.970072][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.970075][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.970078][  T388]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.970082][  T388]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.970084][  T388]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.970087][  T388]  ? 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))
[   25.970093][  T388]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.970096][  T388]  ? __kernel_text_address (kernel/extable.c:79)
[   25.970099][  T388]  ? write_profile (profile.c:?)
[   25.970103][  T388]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.970108][  T388]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.970113][  T388]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.970116][  T388]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.970117][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.970119][  T388]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.970123][  T388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.970125][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.970127][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.970130][  T388]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.970133][  T388]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.970134][  T388]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.970137][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.970139][  T388]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   25.970142][  T388]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   25.970147][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.970149][  T388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.970152][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.970154][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.970156][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.970157][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.970159][  T388]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.970161][  T388]  ? __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)
[   25.970165][  T388]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.970167][  T388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.970171][  T388]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.970172][  T388]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.970179][  T388]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.970184][  T388]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.970189][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.970191][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.970196][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.970198][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.970200][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.970202][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.970206][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.970208][  T388]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.970211][  T388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.970212][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.970217][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.970219][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.970223][  T388]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.970225][  T388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.970227][  T388]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.970234][  T388]  ? 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))
[   25.970235][  T388]  ? 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))
[   25.970239][  T388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.970243][  T388]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.970246][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   25.970250][  T388]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.970254][  T388]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.970255][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.970258][  T388]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.970262][  T388]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.970266][  T388]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.970269][  T388]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.970271][  T388]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.970273][  T388]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   25.970280][  T388]  ___sys_sendmsg (net/socket.c:2767)
[   25.970283][  T388]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.970305][  T388]  __sys_sendmsg (net/socket.c:2799)
[   25.970308][  T388]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.970315][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.970318][  T388]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.970321][  T388]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.970324][  T388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.970327][  T388] RIP: 0033:0x7fb853d0a54e
[   25.970331][  T388] 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
[   25.970332][  T388] RSP: 002b:00007fff17e039c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.970335][  T388] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb853d0a54e
[   25.970336][  T388] RDX: 0000000000000000 RSI: 00007fff17e03a70 RDI: 0000000000000005
[   25.970337][  T388] RBP: 00007fff17e039d0 R08: 0000000000000000 R09: 0000000000000000
[   25.970338][  T388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91391d
[   25.970339][  T388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff17e04140
| [   27.106447][  T396] softirqs last disabled at (36278): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.106450][  T396] Preemption disabled at:
| [   27.106450][  T396] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.106460][  T396] Tainted: [W]=WARN
[   27.106461][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.106462][  T396] Call Trace:
[   27.106464][  T396]  <TASK>
[   27.106465][  T396]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.106470][  T396]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.106472][  T396]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.106476][  T396]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.106480][  T396]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.106485][  T396]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.106488][  T396]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.106494][  T396]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.106497][  T396]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.106500][  T396]  put_chars (drivers/char/virtio_console.c:1176)
[   27.106503][  T396]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.106507][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.106511][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.106516][  T396]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.106519][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.106521][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.106526][  T396]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.106529][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.106532][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.106537][  T396]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.106540][  T396]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.106541][  T396]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.106544][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.106546][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.106550][  T396]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.106554][  T396]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.106555][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.106561][  T396]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.106564][  T396]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.106565][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.106567][  T396]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.106571][  T396]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.106573][  T396]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.106576][  T396]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.106579][  T396]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.106581][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.106583][  T396]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   27.106585][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.106589][  T396]  _printk (kernel/printk/printk.c:2504)
[   27.106593][  T396]  ? snapshot_read.cold (user.c:?)
[   27.106595][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.106598][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.106600][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.106602][  T396]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.106606][  T396]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.106608][  T396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.106611][  T396]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.106613][  T396]  ? netdev_notice (net/core/dev.c:13194)
[   27.106616][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.106619][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.106622][  T396]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.106626][  T396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.106628][  T396]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.106631][  T396]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   27.106638][  T396]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.106640][  T396]  ? __kernel_text_address (kernel/extable.c:79)
[   27.106643][  T396]  ? write_profile (profile.c:?)
[   27.106648][  T396]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.106653][  T396]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.106658][  T396]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.106660][  T396]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.106661][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.106663][  T396]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.106667][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.106669][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.106671][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.106674][  T396]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.106677][  T396]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.106679][  T396]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.106682][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.106684][  T396]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   27.106687][  T396]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   27.106692][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.106694][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.106697][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.106699][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.106700][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.106702][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.106704][  T396]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.106706][  T396]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   27.106710][  T396]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.106712][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.106716][  T396]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.106718][  T396]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.106724][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.106729][  T396]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.106735][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.106737][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.106742][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.106744][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.106746][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.106748][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.106752][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.106754][  T396]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.106758][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.106759][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.106764][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.106766][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.106770][  T396]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.106772][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.106775][  T396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.106781][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.106782][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.106787][  T396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.106791][  T396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.106794][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   27.106798][  T396]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.106802][  T396]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.106803][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.106807][  T396]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.106811][  T396]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.106815][  T396]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.106817][  T396]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.106819][  T396]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.106821][  T396]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   27.106829][  T396]  ___sys_sendmsg (net/socket.c:2767)
[   27.106832][  T396]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.106849][  T396]  __sys_sendmsg (net/socket.c:2799)
[   27.106852][  T396]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.106859][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.106863][  T396]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.106865][  T396]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.106869][  T396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.106871][  T396] RIP: 0033:0x7fc673cc954e
[   27.106875][  T396] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.106877][  T396] RSP: 002b:00007ffd28f395f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.106879][  T396] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc673cc954e
[   27.106881][  T396] RDX: 0000000000000000 RSI: 00007ffd28f396a0 RDI: 0000000000000005
[   27.106882][  T396] RBP: 00007ffd28f39600 R08: 0000000000000000 R09: 0000000000000000
[   27.106882][  T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91391e
[   27.106883][  T396] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd28f39d70
| [   28.108214][  T403] softirqs last disabled at (24498): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.108218][  T403] Preemption disabled at:
| [   28.108218][  T403] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.108230][  T403] Tainted: [W]=WARN
[   28.108231][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.108234][  T403] Call Trace:
[   28.108236][  T403]  <TASK>
[   28.108238][  T403]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.108245][  T403]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.108247][  T403]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.108253][  T403]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.108258][  T403]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.108265][  T403]  __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))
[   28.108269][  T403]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.108278][  T403]  ? 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)
[   28.108282][  T403]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.108287][  T403]  put_chars (drivers/char/virtio_console.c:1176)
[   28.108291][  T403]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.108297][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.108302][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.108315][  T403]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.108320][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.108322][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.108330][  T403]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.108336][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.108340][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.108347][  T403]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.108352][  T403]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.108354][  T403]  ? 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))
[   28.108359][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.108362][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.108369][  T403]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.108375][  T403]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.108377][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.108387][  T403]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.108390][  T403]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.108392][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.108395][  T403]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.108402][  T403]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.108405][  T403]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.108411][  T403]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.108419][  T403]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.108422][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.108425][  T403]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   28.108428][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   28.108435][  T403]  _printk (kernel/printk/printk.c:2504)
[   28.108440][  T403]  ? snapshot_read.cold (user.c:?)
[   28.108442][  T403]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.108447][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.108450][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.108454][  T403]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.108458][  T403]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.108463][  T403]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.108467][  T403]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.108471][  T403]  ? netdev_notice (net/core/dev.c:13194)
[   28.108475][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.108480][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.108484][  T403]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.108490][  T403]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.108493][  T403]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.108498][  T403]  ? 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))
[   28.108507][  T403]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.108510][  T403]  ? __kernel_text_address (kernel/extable.c:79)
[   28.108514][  T403]  ? write_profile (profile.c:?)
[   28.108520][  T403]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.108529][  T403]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.108536][  T403]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.108539][  T403]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.108542][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.108545][  T403]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.108550][  T403]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.108553][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.108556][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.108561][  T403]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.108565][  T403]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.108567][  T403]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.108572][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.108575][  T403]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   28.108579][  T403]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   28.108586][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.108589][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.108594][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.108597][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.108600][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.108602][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.108605][  T403]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.108612][  T403]  ? __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)
[   28.108616][  T403]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.108620][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.108626][  T403]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.108629][  T403]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.108638][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.108647][  T403]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.108657][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.108660][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.108668][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.108671][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.108674][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.108677][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.108684][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.108687][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.108693][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.108695][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.108703][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.108706][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.108712][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.108715][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.108720][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.108731][  T403]  ? 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))
[   28.108733][  T403]  ? 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))
[   28.108740][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.108747][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.108752][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   28.108759][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.108765][  T403]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.108767][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.108773][  T403]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.108778][  T403]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.108784][  T403]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.108789][  T403]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.108792][  T403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.108794][  T403]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   28.108807][  T403]  ___sys_sendmsg (net/socket.c:2767)
[   28.108812][  T403]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.108841][  T403]  __sys_sendmsg (net/socket.c:2799)
[   28.108846][  T403]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.108857][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.108863][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.108867][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.108872][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.108876][  T403] RIP: 0033:0x7fd11030754e
[   28.108881][  T403] 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
[   28.108883][  T403] RSP: 002b:00007ffd0f919e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.108887][  T403] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd11030754e
[   28.108889][  T403] RDX: 0000000000000000 RSI: 00007ffd0f919ee0 RDI: 0000000000000005
[   28.108891][  T403] RBP: 00007ffd0f919e40 R08: 0000000000000000 R09: 0000000000000000
[   28.108892][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91391f
[   28.108893][  T403] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0f91a5b0
| [   29.151782][  T409] softirqs last disabled at (17556): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.151784][  T409] Preemption disabled at:
| [   29.151785][  T409] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.151794][  T409] Tainted: [W]=WARN
[   29.151795][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.151797][  T409] Call Trace:
[   29.151798][  T409]  <TASK>
[   29.151800][  T409]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.151805][  T409]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.151807][  T409]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.151811][  T409]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.151815][  T409]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.151820][  T409]  __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))
[   29.151823][  T409]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.151829][  T409]  ? 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)
[   29.151832][  T409]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.151835][  T409]  put_chars (drivers/char/virtio_console.c:1176)
[   29.151838][  T409]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.151842][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.151846][  T409]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.151850][  T409]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.151854][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.151856][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.151860][  T409]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.151864][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.151866][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.151871][  T409]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.151874][  T409]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.151875][  T409]  ? 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))
[   29.151878][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.151880][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.151884][  T409]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.151888][  T409]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.151889][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.151895][  T409]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.151897][  T409]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.151899][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.151901][  T409]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.151904][  T409]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.151906][  T409]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.151909][  T409]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.151913][  T409]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.151915][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.151917][  T409]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   29.151919][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.151923][  T409]  _printk (kernel/printk/printk.c:2504)
[   29.151926][  T409]  ? snapshot_read.cold (user.c:?)
[   29.151928][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.151931][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.151933][  T409]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.151935][  T409]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.151939][  T409]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.151941][  T409]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.151943][  T409]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.151946][  T409]  ? netdev_notice (net/core/dev.c:13194)
[   29.151949][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.151952][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.151954][  T409]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.151958][  T409]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.151960][  T409]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.151963][  T409]  ? 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))
[   29.151969][  T409]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.151972][  T409]  ? __kernel_text_address (kernel/extable.c:79)
[   29.151975][  T409]  ? write_profile (profile.c:?)
[   29.151979][  T409]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.151984][  T409]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.151989][  T409]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.151991][  T409]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.151993][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.151995][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.151998][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.152000][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.152002][  T409]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.152005][  T409]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.152008][  T409]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.152010][  T409]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.152013][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.152015][  T409]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   29.152018][  T409]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   29.152023][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.152028][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.152030][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.152032][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.152034][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.152035][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.152037][  T409]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.152040][  T409]  ? __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)
[   29.152043][  T409]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.152045][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.152048][  T409]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.152050][  T409]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.152056][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.152062][  T409]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.152067][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.152069][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.152074][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.152076][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.152078][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.152080][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.152084][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.152086][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.152089][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.152090][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.152095][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.152097][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.152101][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.152102][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.152105][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.152112][  T409]  ? 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))
[   29.152113][  T409]  ? 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))
[   29.152117][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.152121][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.152124][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   29.152128][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.152132][  T409]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.152133][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.152136][  T409]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.152140][  T409]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.152144][  T409]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.152146][  T409]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.152148][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.152150][  T409]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   29.152157][  T409]  ___sys_sendmsg (net/socket.c:2767)
[   29.152160][  T409]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.152176][  T409]  __sys_sendmsg (net/socket.c:2799)
[   29.152180][  T409]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.152186][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.152189][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.152192][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.152195][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.152197][  T409] RIP: 0033:0x7ff6763c654e
[   29.152201][  T409] 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
[   29.152203][  T409] RSP: 002b:00007ffc07b275a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.152206][  T409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff6763c654e
[   29.152207][  T409] RDX: 0000000000000000 RSI: 00007ffc07b27650 RDI: 0000000000000005
[   29.152208][  T409] RBP: 00007ffc07b275b0 R08: 0000000000000000 R09: 0000000000000000
[   29.152208][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913920
[   29.152209][  T409] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc07b27d20
| [   30.260916][  T418] softirqs last disabled at (16392): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.260919][  T418] Preemption disabled at:
| [   30.260919][  T418] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.260929][  T418] Tainted: [W]=WARN
[   30.260930][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.260931][  T418] Call Trace:
[   30.260933][  T418]  <TASK>
[   30.260934][  T418]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.260939][  T418]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.260941][  T418]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.260946][  T418]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.260949][  T418]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.260954][  T418]  __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))
[   30.260956][  T418]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.260963][  T418]  ? 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)
[   30.260965][  T418]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.260969][  T418]  put_chars (drivers/char/virtio_console.c:1176)
[   30.260972][  T418]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.260975][  T418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.260979][  T418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.260986][  T418]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.260989][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.260991][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.260996][  T418]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.260999][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.261001][  T418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.261006][  T418]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.261009][  T418]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.261011][  T418]  ? 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))
[   30.261013][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.261015][  T418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.261019][  T418]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.261023][  T418]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.261024][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.261030][  T418]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.261032][  T418]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.261034][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.261035][  T418]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.261039][  T418]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.261041][  T418]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.261044][  T418]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.261047][  T418]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.261049][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.261051][  T418]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   30.261053][  T418]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   30.261057][  T418]  _printk (kernel/printk/printk.c:2504)
[   30.261061][  T418]  ? snapshot_read.cold (user.c:?)
[   30.261063][  T418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.261066][  T418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.261068][  T418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.261070][  T418]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.261073][  T418]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.261076][  T418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.261078][  T418]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.261081][  T418]  ? netdev_notice (net/core/dev.c:13194)
[   30.261083][  T418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.261086][  T418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.261089][  T418]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.261093][  T418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.261095][  T418]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.261098][  T418]  ? 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))
[   30.261104][  T418]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.261106][  T418]  ? __kernel_text_address (kernel/extable.c:79)
[   30.261109][  T418]  ? write_profile (profile.c:?)
[   30.261113][  T418]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.261118][  T418]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.261123][  T418]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.261125][  T418]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.261126][  T418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.261128][  T418]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.261132][  T418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.261134][  T418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.261136][  T418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.261139][  T418]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.261141][  T418]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.261143][  T418]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.261146][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.261148][  T418]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   30.261151][  T418]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   30.261156][  T418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.261158][  T418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.261161][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.261162][  T418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.261164][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.261166][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.261167][  T418]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.261170][  T418]  ? __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)
[   30.261173][  T418]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.261176][  T418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.261179][  T418]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.261181][  T418]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.261187][  T418]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.261192][  T418]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.261197][  T418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.261199][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.261204][  T418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.261206][  T418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.261208][  T418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.261210][  T418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.261214][  T418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.261216][  T418]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.261219][  T418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.261220][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.261225][  T418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.261227][  T418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.261231][  T418]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.261233][  T418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.261235][  T418]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.261242][  T418]  ? 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))
[   30.261243][  T418]  ? 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))
[   30.261247][  T418]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.261251][  T418]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.261254][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   30.261258][  T418]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.261262][  T418]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.261263][  T418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.261266][  T418]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.261270][  T418]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.261274][  T418]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.261276][  T418]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.261278][  T418]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.261280][  T418]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   30.261287][  T418]  ___sys_sendmsg (net/socket.c:2767)
[   30.261290][  T418]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.261306][  T418]  __sys_sendmsg (net/socket.c:2799)
[   30.261309][  T418]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.261321][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.261324][  T418]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.261327][  T418]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.261330][  T418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.261333][  T418] RIP: 0033:0x7f3045d9054e
[   30.261337][  T418] 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
[   30.261338][  T418] RSP: 002b:00007ffd7bf7dfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.261341][  T418] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3045d9054e
[   30.261342][  T418] RDX: 0000000000000000 RSI: 00007ffd7bf7e060 RDI: 0000000000000005
[   30.261343][  T418] RBP: 00007ffd7bf7dfc0 R08: 0000000000000000 R09: 0000000000000000
[   30.261344][  T418] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913921
[   30.261345][  T418] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7bf7e730
| [   31.369252][  T426] softirqs last disabled at (36082): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.369255][  T426] Preemption disabled at:
| [   31.369256][  T426] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.369265][  T426] Tainted: [W]=WARN
[   31.369266][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.369267][  T426] Call Trace:
[   31.369269][  T426]  <TASK>
[   31.369270][  T426]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.369276][  T426]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.369277][  T426]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.369282][  T426]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.369285][  T426]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.369290][  T426]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   31.369292][  T426]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.369299][  T426]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.369302][  T426]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.369305][  T426]  put_chars (drivers/char/virtio_console.c:1176)
[   31.369308][  T426]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.369312][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.369321][  T426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.369326][  T426]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.369330][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.369332][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.369336][  T426]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.369340][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.369342][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.369347][  T426]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.369350][  T426]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.369351][  T426]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   31.369354][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.369356][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.369360][  T426]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.369364][  T426]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.369365][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.369371][  T426]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.369373][  T426]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.369375][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.369377][  T426]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.369381][  T426]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.369383][  T426]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.369385][  T426]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.369389][  T426]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.369391][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.369393][  T426]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   31.369395][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   31.369399][  T426]  _printk (kernel/printk/printk.c:2504)
[   31.369403][  T426]  ? snapshot_read.cold (user.c:?)
[   31.369404][  T426]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.369408][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.369411][  T426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.369414][  T426]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.369417][  T426]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.369420][  T426]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.369422][  T426]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.369425][  T426]  ? netdev_notice (net/core/dev.c:13194)
[   31.369428][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.369431][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.369433][  T426]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.369437][  T426]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.369439][  T426]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.369442][  T426]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   31.369449][  T426]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.369451][  T426]  ? __kernel_text_address (kernel/extable.c:79)
[   31.369454][  T426]  ? write_profile (profile.c:?)
[   31.369458][  T426]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.369463][  T426]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.369468][  T426]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.369470][  T426]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.369472][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.369474][  T426]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.369477][  T426]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.369479][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.369481][  T426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.369484][  T426]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.369487][  T426]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.369489][  T426]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.369492][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.369494][  T426]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   31.369497][  T426]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   31.369502][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.369504][  T426]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.369507][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.369509][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.369511][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.369512][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.369514][  T426]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.369516][  T426]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   31.369519][  T426]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.369522][  T426]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.369525][  T426]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.369527][  T426]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.369533][  T426]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.369538][  T426]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.369544][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.369545][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.369550][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.369552][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.369554][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.369556][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.369560][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.369562][  T426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.369566][  T426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.369567][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.369572][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.369574][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.369577][  T426]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.369579][  T426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.369582][  T426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.369588][  T426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.369590][  T426]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.369594][  T426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.369598][  T426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.369601][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   31.369605][  T426]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.369609][  T426]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.369610][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.369613][  T426]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.369617][  T426]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.369621][  T426]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.369623][  T426]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.369626][  T426]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.369627][  T426]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   31.369635][  T426]  ___sys_sendmsg (net/socket.c:2767)
[   31.369638][  T426]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.369654][  T426]  __sys_sendmsg (net/socket.c:2799)
[   31.369657][  T426]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.369664][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.369667][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.369669][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.369673][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.369675][  T426] RIP: 0033:0x7f242ad3854e
[   31.369679][  T426] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.369681][  T426] RSP: 002b:00007fff55e2fba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.369683][  T426] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f242ad3854e
[   31.369685][  T426] RDX: 0000000000000000 RSI: 00007fff55e2fc50 RDI: 0000000000000005
[   31.369685][  T426] RBP: 00007fff55e2fbb0 R08: 0000000000000000 R09: 0000000000000000
[   31.369686][  T426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913922
[   31.369687][  T426] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff55e30320
| [   32.535984][  T436] softirqs last disabled at (20994): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.535987][  T436] Preemption disabled at:
| [   32.535987][  T436] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.535997][  T436] Tainted: [W]=WARN
[   32.535998][  T436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.536000][  T436] Call Trace:
[   32.536001][  T436]  <TASK>
[   32.536003][  T436]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.536008][  T436]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.536009][  T436]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.536014][  T436]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.536017][  T436]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.536023][  T436]  __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))
[   32.536028][  T436]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.536034][  T436]  ? 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)
[   32.536037][  T436]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.536041][  T436]  put_chars (drivers/char/virtio_console.c:1176)
[   32.536044][  T436]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.536047][  T436]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.536051][  T436]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.536056][  T436]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.536059][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.536061][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.536065][  T436]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.536069][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.536071][  T436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.536075][  T436]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.536079][  T436]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.536080][  T436]  ? 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))
[   32.536083][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.536085][  T436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.536089][  T436]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.536092][  T436]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.536094][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.536099][  T436]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.536101][  T436]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.536103][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.536104][  T436]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.536108][  T436]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.536110][  T436]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.536113][  T436]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.536116][  T436]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.536118][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.536120][  T436]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   32.536122][  T436]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   32.536126][  T436]  _printk (kernel/printk/printk.c:2504)
[   32.536130][  T436]  ? snapshot_read.cold (user.c:?)
[   32.536132][  T436]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.536135][  T436]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.536137][  T436]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.536139][  T436]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.536142][  T436]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.536145][  T436]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.536147][  T436]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.536150][  T436]  ? netdev_notice (net/core/dev.c:13194)
[   32.536152][  T436]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.536155][  T436]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.536158][  T436]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.536161][  T436]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.536163][  T436]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.536166][  T436]  ? 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))
[   32.536172][  T436]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.536175][  T436]  ? __kernel_text_address (kernel/extable.c:79)
[   32.536178][  T436]  ? write_profile (profile.c:?)
[   32.536182][  T436]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.536187][  T436]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.536192][  T436]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.536194][  T436]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.536195][  T436]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.536197][  T436]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.536201][  T436]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.536203][  T436]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.536205][  T436]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.536207][  T436]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.536210][  T436]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.536212][  T436]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.536215][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.536217][  T436]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   32.536220][  T436]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   32.536225][  T436]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.536227][  T436]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.536229][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.536231][  T436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.536233][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.536234][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.536236][  T436]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.536238][  T436]  ? __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)
[   32.536242][  T436]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.536244][  T436]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.536247][  T436]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.536249][  T436]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.536255][  T436]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.536260][  T436]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.536265][  T436]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.536267][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.536272][  T436]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.536274][  T436]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.536276][  T436]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.536278][  T436]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.536282][  T436]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.536284][  T436]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.536287][  T436]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.536288][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.536293][  T436]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.536295][  T436]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.536298][  T436]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.536300][  T436]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.536303][  T436]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.536309][  T436]  ? 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))
[   32.536311][  T436]  ? 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))
[   32.536315][  T436]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.536318][  T436]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.536325][  T436]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   32.536329][  T436]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.536333][  T436]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.536335][  T436]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.536338][  T436]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.536341][  T436]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.536345][  T436]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.536348][  T436]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.536350][  T436]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.536351][  T436]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   32.536359][  T436]  ___sys_sendmsg (net/socket.c:2767)
[   32.536361][  T436]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.536377][  T436]  __sys_sendmsg (net/socket.c:2799)
[   32.536380][  T436]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.536386][  T436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.536389][  T436]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.536391][  T436]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.536395][  T436]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.536397][  T436] RIP: 0033:0x7f30b6c6554e
[   32.536401][  T436] 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
[   32.536403][  T436] RSP: 002b:00007ffedc054130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.536406][  T436] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f30b6c6554e
[   32.536407][  T436] RDX: 0000000000000000 RSI: 00007ffedc0541e0 RDI: 0000000000000005
[   32.536409][  T436] RBP: 00007ffedc054140 R08: 0000000000000000 R09: 0000000000000000
[   32.536410][  T436] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913923
[   32.536411][  T436] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedc0548b0
| [   33.651333][  T447] softirqs last disabled at (21150): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.651335][  T447] Preemption disabled at:
| [   33.651336][  T447] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.651345][  T447] Tainted: [W]=WARN
[   33.651346][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.651348][  T447] Call Trace:
[   33.651350][  T447]  <TASK>
[   33.651351][  T447]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.651356][  T447]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.651358][  T447]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.651363][  T447]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.651366][  T447]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.651371][  T447]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.651374][  T447]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.651380][  T447]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.651383][  T447]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.651386][  T447]  put_chars (drivers/char/virtio_console.c:1176)
[   33.651389][  T447]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.651393][  T447]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.651396][  T447]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.651401][  T447]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.651405][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.651406][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.651413][  T447]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.651418][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.651420][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.651425][  T447]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.651428][  T447]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.651429][  T447]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   33.651432][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.651434][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.651438][  T447]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.651442][  T447]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.651443][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.651449][  T447]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.651451][  T447]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.651453][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.651455][  T447]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.651459][  T447]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.651461][  T447]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.651463][  T447]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.651467][  T447]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.651469][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.651471][  T447]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   33.651473][  T447]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   33.651477][  T447]  _printk (kernel/printk/printk.c:2504)
[   33.651480][  T447]  ? snapshot_read.cold (user.c:?)
[   33.651482][  T447]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.651485][  T447]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.651487][  T447]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.651489][  T447]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.651493][  T447]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.651495][  T447]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.651497][  T447]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.651500][  T447]  ? netdev_notice (net/core/dev.c:13194)
[   33.651503][  T447]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.651506][  T447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.651508][  T447]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.651512][  T447]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.651514][  T447]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.651517][  T447]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   33.651523][  T447]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.651526][  T447]  ? __kernel_text_address (kernel/extable.c:79)
[   33.651529][  T447]  ? write_profile (profile.c:?)
[   33.651533][  T447]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.651538][  T447]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.651543][  T447]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.651545][  T447]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.651546][  T447]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.651548][  T447]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.651552][  T447]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.651554][  T447]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.651556][  T447]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.651559][  T447]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.651562][  T447]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.651563][  T447]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.651566][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.651568][  T447]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   33.651571][  T447]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   33.651576][  T447]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.651578][  T447]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.651581][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.651583][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.651584][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.651586][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.651588][  T447]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.651590][  T447]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   33.651593][  T447]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.651596][  T447]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.651599][  T447]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.651601][  T447]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.651607][  T447]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.651612][  T447]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.651617][  T447]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.651619][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.651624][  T447]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.651626][  T447]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.651628][  T447]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.651630][  T447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.651634][  T447]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.651636][  T447]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.651639][  T447]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.651640][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.651645][  T447]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.651647][  T447]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.651651][  T447]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.651653][  T447]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.651656][  T447]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.651662][  T447]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.651663][  T447]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.651667][  T447]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.651671][  T447]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.651674][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   33.651678][  T447]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.651682][  T447]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.651683][  T447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.651686][  T447]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.651690][  T447]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.651694][  T447]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.651696][  T447]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.651699][  T447]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   33.651700][  T447]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   33.651708][  T447]  ___sys_sendmsg (net/socket.c:2767)
[   33.651710][  T447]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.651727][  T447]  __sys_sendmsg (net/socket.c:2799)
[   33.651730][  T447]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.651736][  T447]  ? 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)
[   33.651739][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.651742][  T447]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.651745][  T447]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.651749][  T447]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.651751][  T447] RIP: 0033:0x7fcbab0e854e
[   33.651755][  T447] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.651757][  T447] RSP: 002b:00007ffcfc52fbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.651759][  T447] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcbab0e854e
[   33.651761][  T447] RDX: 0000000000000000 RSI: 00007ffcfc52fc80 RDI: 0000000000000005
[   33.651762][  T447] RBP: 00007ffcfc52fbe0 R08: 0000000000000000 R09: 0000000000000000
[   33.651763][  T447] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913925
[   33.651764][  T447] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfc530350
| [   34.738166][  T458] softirqs last disabled at (16170): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.738169][  T458] Preemption disabled at:
| [   34.738169][  T458] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.738178][  T458] Tainted: [W]=WARN
[   34.738179][  T458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.738181][  T458] Call Trace:
[   34.738182][  T458]  <TASK>
[   34.738184][  T458]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.738189][  T458]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.738190][  T458]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.738195][  T458]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.738198][  T458]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.738204][  T458]  __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))
[   34.738206][  T458]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.738212][  T458]  ? 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)
[   34.738216][  T458]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.738219][  T458]  put_chars (drivers/char/virtio_console.c:1176)
[   34.738222][  T458]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.738226][  T458]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.738229][  T458]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.738234][  T458]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.738238][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.738239][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.738244][  T458]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.738248][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.738250][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.738255][  T458]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.738258][  T458]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.738260][  T458]  ? 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))
[   34.738263][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.738265][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.738269][  T458]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.738273][  T458]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.738274][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.738280][  T458]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.738283][  T458]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.738284][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.738286][  T458]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.738290][  T458]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.738292][  T458]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.738295][  T458]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.738298][  T458]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.738300][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.738302][  T458]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   34.738304][  T458]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.738309][  T458]  _printk (kernel/printk/printk.c:2504)
[   34.738312][  T458]  ? snapshot_read.cold (user.c:?)
[   34.738314][  T458]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.738317][  T458]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.738319][  T458]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.738321][  T458]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.738325][  T458]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.738332][  T458]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.738335][  T458]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.738337][  T458]  ? netdev_notice (net/core/dev.c:13194)
[   34.738340][  T458]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.738343][  T458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.738346][  T458]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.738350][  T458]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.738352][  T458]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.738355][  T458]  ? 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))
[   34.738362][  T458]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.738364][  T458]  ? __kernel_text_address (kernel/extable.c:79)
[   34.738367][  T458]  ? write_profile (profile.c:?)
[   34.738371][  T458]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.738377][  T458]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.738382][  T458]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.738384][  T458]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.738385][  T458]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.738387][  T458]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.738391][  T458]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.738393][  T458]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.738395][  T458]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.738398][  T458]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.738401][  T458]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.738403][  T458]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.738406][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.738408][  T458]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   34.738411][  T458]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   34.738417][  T458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.738419][  T458]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.738422][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.738424][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.738426][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.738427][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.738429][  T458]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.738432][  T458]  ? __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)
[   34.738435][  T458]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.738437][  T458]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.738441][  T458]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.738443][  T458]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.738449][  T458]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.738454][  T458]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.738460][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.738462][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.738467][  T458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.738469][  T458]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.738471][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.738473][  T458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.738477][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.738479][  T458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.738482][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.738483][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.738488][  T458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.738490][  T458]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.738494][  T458]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.738496][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.738499][  T458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.738505][  T458]  ? 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))
[   34.738507][  T458]  ? 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))
[   34.738511][  T458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.738515][  T458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.738518][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   34.738522][  T458]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.738526][  T458]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.738527][  T458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.738531][  T458]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.738535][  T458]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.738539][  T458]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.738541][  T458]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.738544][  T458]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.738545][  T458]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   34.738553][  T458]  ___sys_sendmsg (net/socket.c:2767)
[   34.738556][  T458]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.738572][  T458]  __sys_sendmsg (net/socket.c:2799)
[   34.738576][  T458]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.738582][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.738586][  T458]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.738588][  T458]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.738592][  T458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.738594][  T458] RIP: 0033:0x7fa51e7ad54e
[   34.738598][  T458] 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
[   34.738600][  T458] RSP: 002b:00007ffe69a76b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.738603][  T458] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa51e7ad54e
[   34.738604][  T458] RDX: 0000000000000000 RSI: 00007ffe69a76bb0 RDI: 0000000000000005
[   34.738605][  T458] RBP: 00007ffe69a76b10 R08: 0000000000000000 R09: 0000000000000000
[   34.738606][  T458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913926
[   34.738607][  T458] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe69a77280
| [   35.787763][  T467] softirqs last disabled at (18358): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.787766][  T467] Preemption disabled at:
| [   35.787766][  T467] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.787775][  T467] Tainted: [W]=WARN
[   35.787776][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.787778][  T467] Call Trace:
[   35.787780][  T467]  <TASK>
[   35.787781][  T467]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.787787][  T467]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.787788][  T467]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.787793][  T467]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.787796][  T467]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.787802][  T467]  __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))
[   35.787804][  T467]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.787811][  T467]  ? 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)
[   35.787814][  T467]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.787817][  T467]  put_chars (drivers/char/virtio_console.c:1176)
[   35.787820][  T467]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.787824][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.787827][  T467]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.787832][  T467]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.787836][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.787838][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.787842][  T467]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.787846][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.787849][  T467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.787854][  T467]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.787857][  T467]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.787859][  T467]  ? 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))
[   35.787861][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.787863][  T467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.787868][  T467]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.787871][  T467]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.787873][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.787878][  T467]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.787881][  T467]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.787882][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.787884][  T467]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.787888][  T467]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.787890][  T467]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.787893][  T467]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.787897][  T467]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.787899][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.787901][  T467]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   35.787903][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   35.787907][  T467]  _printk (kernel/printk/printk.c:2504)
[   35.787911][  T467]  ? snapshot_read.cold (user.c:?)
[   35.787913][  T467]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.787916][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.787918][  T467]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.787920][  T467]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.787924][  T467]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.787926][  T467]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.787928][  T467]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.787931][  T467]  ? netdev_notice (net/core/dev.c:13194)
[   35.787934][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.787937][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.787940][  T467]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.787943][  T467]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.787945][  T467]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.787949][  T467]  ? 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))
[   35.787955][  T467]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.787957][  T467]  ? __kernel_text_address (kernel/extable.c:79)
[   35.787961][  T467]  ? write_profile (profile.c:?)
[   35.787965][  T467]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.787970][  T467]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.787975][  T467]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.787977][  T467]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.787978][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.787980][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.787984][  T467]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.787986][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.787988][  T467]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.787991][  T467]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.787994][  T467]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.787996][  T467]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.787999][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.788001][  T467]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   35.788004][  T467]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   35.788009][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.788011][  T467]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.788014][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.788016][  T467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.788018][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.788019][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.788021][  T467]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.788023][  T467]  ? __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)
[   35.788029][  T467]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.788031][  T467]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.788035][  T467]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.788037][  T467]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.788043][  T467]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.788048][  T467]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.788053][  T467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.788055][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.788060][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.788062][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.788064][  T467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.788066][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.788070][  T467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.788072][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.788075][  T467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.788076][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.788081][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.788083][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.788087][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.788089][  T467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.788092][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.788098][  T467]  ? 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))
[   35.788099][  T467]  ? 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))
[   35.788104][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.788107][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.788110][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   35.788115][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.788118][  T467]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.788120][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.788123][  T467]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.788127][  T467]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.788131][  T467]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.788133][  T467]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.788136][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.788137][  T467]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   35.788145][  T467]  ___sys_sendmsg (net/socket.c:2767)
[   35.788148][  T467]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.788164][  T467]  __sys_sendmsg (net/socket.c:2799)
[   35.788167][  T467]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.788174][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.788177][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.788180][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.788183][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.788186][  T467] RIP: 0033:0x7f67f729554e
[   35.788190][  T467] 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
[   35.788192][  T467] RSP: 002b:00007ffe6b0d5660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.788194][  T467] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f67f729554e
[   35.788196][  T467] RDX: 0000000000000000 RSI: 00007ffe6b0d5710 RDI: 0000000000000005
[   35.788197][  T467] RBP: 00007ffe6b0d5670 R08: 0000000000000000 R09: 0000000000000000
[   35.788197][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913927
[   35.788198][  T467] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6b0d5de0
| [   36.881606][  T477] softirqs last disabled at (21462): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   36.881608][  T477] Preemption disabled at:
| [   36.881609][  T477] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.881617][  T477] Tainted: [W]=WARN
[   36.881618][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.881620][  T477] Call Trace:
[   36.881621][  T477]  <TASK>
[   36.881623][  T477]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.881628][  T477]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.881630][  T477]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.881634][  T477]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.881638][  T477]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.881643][  T477]  __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))
[   36.881645][  T477]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.881651][  T477]  ? 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)
[   36.881655][  T477]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.881658][  T477]  put_chars (drivers/char/virtio_console.c:1176)
[   36.881661][  T477]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.881664][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.881668][  T477]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.881673][  T477]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.881676][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.881678][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.881683][  T477]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.881686][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.881689][  T477]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.881693][  T477]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.881696][  T477]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.881698][  T477]  ? 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))
[   36.881700][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.881702][  T477]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.881706][  T477]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.881710][  T477]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.881711][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.881717][  T477]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.881719][  T477]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.881720][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.881722][  T477]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.881726][  T477]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.881728][  T477]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.881731][  T477]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.881734][  T477]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.881736][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.881738][  T477]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   36.881740][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   36.881744][  T477]  _printk (kernel/printk/printk.c:2504)
[   36.881748][  T477]  ? snapshot_read.cold (user.c:?)
[   36.881749][  T477]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.881752][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.881754][  T477]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.881757][  T477]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.881760][  T477]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.881763][  T477]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.881765][  T477]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.881768][  T477]  ? netdev_notice (net/core/dev.c:13194)
[   36.881770][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.881773][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.881776][  T477]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.881780][  T477]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.881782][  T477]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   36.881785][  T477]  ? 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))
[   36.881791][  T477]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   36.881793][  T477]  ? __kernel_text_address (kernel/extable.c:79)
[   36.881796][  T477]  ? write_profile (profile.c:?)
[   36.881800][  T477]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   36.881805][  T477]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.881810][  T477]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.881812][  T477]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.881814][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.881816][  T477]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.881819][  T477]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.881821][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.881823][  T477]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.881826][  T477]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.881829][  T477]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.881831][  T477]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.881834][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.881836][  T477]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   36.881838][  T477]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   36.881843][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.881846][  T477]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.881848][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.881850][  T477]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.881852][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.881853][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.881855][  T477]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.881857][  T477]  ? __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)
[   36.881861][  T477]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.881863][  T477]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.881866][  T477]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.881868][  T477]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.881874][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.881879][  T477]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.881885][  T477]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.881887][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.881892][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.881894][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.881896][  T477]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.881898][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.881902][  T477]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.881904][  T477]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.881907][  T477]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.881908][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.881913][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.881915][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.881919][  T477]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.881920][  T477]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.881923][  T477]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.881930][  T477]  ? 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))
[   36.881931][  T477]  ? 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))
[   36.881935][  T477]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.881939][  T477]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.881942][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   36.881946][  T477]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.881950][  T477]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.881951][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.881954][  T477]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.881958][  T477]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.881962][  T477]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.881965][  T477]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.881967][  T477]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.881968][  T477]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   36.881976][  T477]  ___sys_sendmsg (net/socket.c:2767)
[   36.881979][  T477]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.881995][  T477]  __sys_sendmsg (net/socket.c:2799)
[   36.881999][  T477]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.882005][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.882008][  T477]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.882011][  T477]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.882014][  T477]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.882016][  T477] RIP: 0033:0x7f700397e54e
[   36.882020][  T477] 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
[   36.882022][  T477] RSP: 002b:00007ffeb9ef6e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.882025][  T477] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f700397e54e
[   36.882028][  T477] RDX: 0000000000000000 RSI: 00007ffeb9ef6f20 RDI: 0000000000000005
[   36.882029][  T477] RBP: 00007ffeb9ef6e80 R08: 0000000000000000 R09: 0000000000000000
[   36.882030][  T477] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913928
[   36.882030][  T477] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb9ef75f0
| [   38.078943][  T486] softirqs last disabled at (17864): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.078947][  T486] Preemption disabled at:
| [   38.078948][  T486] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.078960][  T486] Tainted: [W]=WARN
[   38.078961][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.078963][  T486] Call Trace:
[   38.078966][  T486]  <TASK>
[   38.078968][  T486]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.078975][  T486]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.078977][  T486]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.078984][  T486]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.078989][  T486]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.078996][  T486]  __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))
[   38.079000][  T486]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.079010][  T486]  ? 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)
[   38.079014][  T486]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.079019][  T486]  put_chars (drivers/char/virtio_console.c:1176)
[   38.079024][  T486]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.079033][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.079038][  T486]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.079045][  T486]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.079050][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.079053][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.079061][  T486]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.079067][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.079071][  T486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.079078][  T486]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.079084][  T486]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.079086][  T486]  ? 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))
[   38.079091][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.079094][  T486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.079101][  T486]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.079108][  T486]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.079110][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.079120][  T486]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.079124][  T486]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.079126][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.079129][  T486]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.079136][  T486]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.079139][  T486]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.079144][  T486]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.079149][  T486]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.079153][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.079156][  T486]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   38.079159][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   38.079166][  T486]  _printk (kernel/printk/printk.c:2504)
[   38.079171][  T486]  ? snapshot_read.cold (user.c:?)
[   38.079173][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.079178][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.079181][  T486]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.079185][  T486]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.079190][  T486]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.079194][  T486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.079198][  T486]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.079202][  T486]  ? netdev_notice (net/core/dev.c:13194)
[   38.079207][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.079211][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.079216][  T486]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.079222][  T486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.079226][  T486]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.079230][  T486]  ? 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))
[   38.079239][  T486]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.079243][  T486]  ? __kernel_text_address (kernel/extable.c:79)
[   38.079247][  T486]  ? write_profile (profile.c:?)
[   38.079253][  T486]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.079262][  T486]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.079269][  T486]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.079273][  T486]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.079275][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.079278][  T486]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.079283][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.079287][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.079290][  T486]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.079294][  T486]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.079298][  T486]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.079300][  T486]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.079305][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.079308][  T486]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   38.079312][  T486]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   38.079320][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.079323][  T486]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.079328][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.079331][  T486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.079333][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.079336][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.079339][  T486]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.079346][  T486]  ? __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)
[   38.079351][  T486]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.079355][  T486]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.079361][  T486]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.079364][  T486]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.079374][  T486]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.079384][  T486]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.079394][  T486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.079397][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.079405][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.079410][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.079416][  T486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.079419][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.079426][  T486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.079429][  T486]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.079435][  T486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.079437][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.079445][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.079448][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.079455][  T486]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.079458][  T486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.079463][  T486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.079474][  T486]  ? 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))
[   38.079476][  T486]  ? 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))
[   38.079484][  T486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.079491][  T486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.079496][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   38.079503][  T486]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.079510][  T486]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.079512][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.079517][  T486]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.079522][  T486]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.079529][  T486]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.079533][  T486]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.079537][  T486]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.079539][  T486]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   38.079553][  T486]  ___sys_sendmsg (net/socket.c:2767)
[   38.079558][  T486]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.079589][  T486]  __sys_sendmsg (net/socket.c:2799)
[   38.079594][  T486]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.079605][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.079611][  T486]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.079614][  T486]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.079620][  T486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.079623][  T486] RIP: 0033:0x7efde2d2754e
[   38.079628][  T486] 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
[   38.079631][  T486] RSP: 002b:00007fffced205f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.079634][  T486] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efde2d2754e
[   38.079636][  T486] RDX: 0000000000000000 RSI: 00007fffced206a0 RDI: 0000000000000005
[   38.079638][  T486] RBP: 00007fffced20600 R08: 0000000000000000 R09: 0000000000000000
[   38.079639][  T486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913929
[   38.079641][  T486] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffced20d70
| [   39.112857][  T493] softirqs last disabled at (17836): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   39.112861][  T493] Preemption disabled at:
| [   39.112862][  T493] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.112873][  T493] Tainted: [W]=WARN
[   39.112874][  T493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.112876][  T493] Call Trace:
[   39.112879][  T493]  <TASK>
[   39.112881][  T493]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.112887][  T493]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.112890][  T493]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.112896][  T493]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.112900][  T493]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.112908][  T493]  __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))
[   39.112912][  T493]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.112921][  T493]  ? 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)
[   39.112924][  T493]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.112930][  T493]  put_chars (drivers/char/virtio_console.c:1176)
[   39.112934][  T493]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.112940][  T493]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.112945][  T493]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.112952][  T493]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.112957][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.112959][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.112967][  T493]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.112973][  T493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.112977][  T493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.112984][  T493]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.112990][  T493]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.112992][  T493]  ? 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))
[   39.112996][  T493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.112999][  T493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.113006][  T493]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.113013][  T493]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.113015][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.113027][  T493]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.113031][  T493]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.113033][  T493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.113036][  T493]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.113043][  T493]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.113045][  T493]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.113050][  T493]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.113056][  T493]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.113059][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.113062][  T493]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   39.113065][  T493]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.113072][  T493]  _printk (kernel/printk/printk.c:2504)
[   39.113077][  T493]  ? snapshot_read.cold (user.c:?)
[   39.113079][  T493]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.113084][  T493]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.113087][  T493]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.113090][  T493]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.113095][  T493]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.113099][  T493]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.113103][  T493]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.113107][  T493]  ? netdev_notice (net/core/dev.c:13194)
[   39.113111][  T493]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.113116][  T493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.113120][  T493]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.113126][  T493]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.113130][  T493]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.113134][  T493]  ? 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))
[   39.113142][  T493]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.113146][  T493]  ? __kernel_text_address (kernel/extable.c:79)
[   39.113150][  T493]  ? write_profile (profile.c:?)
[   39.113156][  T493]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.113164][  T493]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.113172][  T493]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.113175][  T493]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.113177][  T493]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.113180][  T493]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.113185][  T493]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.113188][  T493]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.113191][  T493]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.113196][  T493]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.113199][  T493]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.113202][  T493]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.113206][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.113209][  T493]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   39.113213][  T493]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   39.113220][  T493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.113223][  T493]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.113228][  T493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.113231][  T493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.113233][  T493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.113235][  T493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.113238][  T493]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.113243][  T493]  ? __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)
[   39.113247][  T493]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.113250][  T493]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.113256][  T493]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.113259][  T493]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.113269][  T493]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.113278][  T493]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.113288][  T493]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.113291][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.113299][  T493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.113302][  T493]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.113306][  T493]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.113309][  T493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.113315][  T493]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.113319][  T493]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.113324][  T493]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.113326][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.113334][  T493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.113337][  T493]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.113347][  T493]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.113350][  T493]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.113355][  T493]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.113367][  T493]  ? 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))
[   39.113369][  T493]  ? 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))
[   39.113377][  T493]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.113383][  T493]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.113388][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   39.113395][  T493]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.113401][  T493]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.113403][  T493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.113409][  T493]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.113416][  T493]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.113423][  T493]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.113427][  T493]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.113430][  T493]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.113432][  T493]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   39.113445][  T493]  ___sys_sendmsg (net/socket.c:2767)
[   39.113450][  T493]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.113480][  T493]  __sys_sendmsg (net/socket.c:2799)
[   39.113485][  T493]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.113496][  T493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.113502][  T493]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.113506][  T493]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.113511][  T493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.113514][  T493] RIP: 0033:0x7f60471a454e
[   39.113519][  T493] 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
[   39.113522][  T493] RSP: 002b:00007ffffb35a3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.113525][  T493] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f60471a454e
[   39.113527][  T493] RDX: 0000000000000000 RSI: 00007ffffb35a480 RDI: 0000000000000005
[   39.113529][  T493] RBP: 00007ffffb35a3e0 R08: 0000000000000000 R09: 0000000000000000
[   39.113530][  T493] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91392a
[   39.113531][  T493] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffb35ab50
| [   40.124356][  T499] softirqs last disabled at (33960): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.124359][  T499] Preemption disabled at:
| [   40.124360][  T499] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.124372][  T499] Tainted: [W]=WARN
[   40.124373][  T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.124375][  T499] Call Trace:
[   40.124377][  T499]  <TASK>
[   40.124379][  T499]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.124386][  T499]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.124388][  T499]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.124395][  T499]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.124399][  T499]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.124407][  T499]  __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))
[   40.124414][  T499]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.124423][  T499]  ? 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)
[   40.124427][  T499]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.124432][  T499]  put_chars (drivers/char/virtio_console.c:1176)
[   40.124437][  T499]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.124443][  T499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.124448][  T499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.124455][  T499]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.124460][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.124462][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.124471][  T499]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.124477][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.124480][  T499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.124487][  T499]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.124493][  T499]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.124495][  T499]  ? 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))
[   40.124500][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.124503][  T499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.124510][  T499]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.124517][  T499]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.124519][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.124528][  T499]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.124532][  T499]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.124534][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.124537][  T499]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.124544][  T499]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.124547][  T499]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.124552][  T499]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.124557][  T499]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.124561][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.124564][  T499]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   40.124567][  T499]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   40.124573][  T499]  _printk (kernel/printk/printk.c:2504)
[   40.124578][  T499]  ? snapshot_read.cold (user.c:?)
[   40.124581][  T499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.124586][  T499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.124589][  T499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.124592][  T499]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.124597][  T499]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.124601][  T499]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.124605][  T499]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.124609][  T499]  ? netdev_notice (net/core/dev.c:13194)
[   40.124614][  T499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.124619][  T499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.124623][  T499]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.124629][  T499]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.124633][  T499]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.124637][  T499]  ? 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))
[   40.124646][  T499]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.124650][  T499]  ? __kernel_text_address (kernel/extable.c:79)
[   40.124654][  T499]  ? write_profile (profile.c:?)
[   40.124660][  T499]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.124669][  T499]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.124676][  T499]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.124679][  T499]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.124681][  T499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.124684][  T499]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.124689][  T499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.124693][  T499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.124696][  T499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.124700][  T499]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.124704][  T499]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.124706][  T499]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.124710][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.124713][  T499]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   40.124718][  T499]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   40.124725][  T499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.124728][  T499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.124733][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.124736][  T499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.124738][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.124740][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.124743][  T499]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.124747][  T499]  ? __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)
[   40.124752][  T499]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.124756][  T499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.124762][  T499]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.124765][  T499]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.124775][  T499]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.124784][  T499]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.124794][  T499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.124797][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.124805][  T499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.124808][  T499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.124812][  T499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.124815][  T499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.124822][  T499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.124825][  T499]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.124831][  T499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.124832][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.124840][  T499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.124844][  T499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.124850][  T499]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.124853][  T499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.124858][  T499]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.124869][  T499]  ? 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))
[   40.124872][  T499]  ? 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))
[   40.124879][  T499]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.124886][  T499]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.124891][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   40.124898][  T499]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.124904][  T499]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.124906][  T499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.124911][  T499]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.124917][  T499]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.124924][  T499]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.124927][  T499]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.124931][  T499]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.124933][  T499]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   40.124947][  T499]  ___sys_sendmsg (net/socket.c:2767)
[   40.124951][  T499]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.124981][  T499]  __sys_sendmsg (net/socket.c:2799)
[   40.124986][  T499]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.124997][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.125003][  T499]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.125006][  T499]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.125011][  T499]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.125015][  T499] RIP: 0033:0x7ff17ed3554e
[   40.125020][  T499] 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
[   40.125022][  T499] RSP: 002b:00007ffe9bb52740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.125028][  T499] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff17ed3554e
[   40.125030][  T499] RDX: 0000000000000000 RSI: 00007ffe9bb527f0 RDI: 0000000000000005
[   40.125031][  T499] RBP: 00007ffe9bb52750 R08: 0000000000000000 R09: 0000000000000000
[   40.125033][  T499] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91392b
[   40.125034][  T499] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9bb52ec0
| [   41.178100][  T509] softirqs last disabled at (22001): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   41.178103][  T509] Preemption disabled at:
| [   41.178103][  T509] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.178112][  T509] Tainted: [W]=WARN
[   41.178113][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.178115][  T509] Call Trace:
[   41.178116][  T509]  <TASK>
[   41.178118][  T509]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.178123][  T509]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.178125][  T509]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.178130][  T509]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.178133][  T509]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.178138][  T509]  __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))
[   41.178140][  T509]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.178147][  T509]  ? 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)
[   41.178150][  T509]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.178153][  T509]  put_chars (drivers/char/virtio_console.c:1176)
[   41.178156][  T509]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.178159][  T509]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.178163][  T509]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.178168][  T509]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.178171][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.178173][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.178178][  T509]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.178181][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.178184][  T509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.178188][  T509]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.178191][  T509]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.178193][  T509]  ? 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))
[   41.178195][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.178197][  T509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.178201][  T509]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.178205][  T509]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.178206][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.178212][  T509]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.178214][  T509]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.178215][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.178217][  T509]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.178221][  T509]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.178224][  T509]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.178227][  T509]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.178230][  T509]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.178232][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.178234][  T509]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   41.178236][  T509]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   41.178240][  T509]  _printk (kernel/printk/printk.c:2504)
[   41.178243][  T509]  ? snapshot_read.cold (user.c:?)
[   41.178245][  T509]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.178248][  T509]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.178250][  T509]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.178252][  T509]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.178256][  T509]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.178258][  T509]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.178260][  T509]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.178263][  T509]  ? netdev_notice (net/core/dev.c:13194)
[   41.178266][  T509]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.178269][  T509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.178271][  T509]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.178275][  T509]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.178277][  T509]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   41.178280][  T509]  ? 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))
[   41.178286][  T509]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   41.178290][  T509]  ? __kernel_text_address (kernel/extable.c:79)
[   41.178293][  T509]  ? write_profile (profile.c:?)
[   41.178297][  T509]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.178302][  T509]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.178306][  T509]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.178309][  T509]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.178310][  T509]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.178312][  T509]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.178316][  T509]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.178318][  T509]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.178320][  T509]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.178322][  T509]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.178325][  T509]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.178327][  T509]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.178330][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.178332][  T509]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   41.178335][  T509]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   41.178340][  T509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.178342][  T509]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.178345][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.178347][  T509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.178348][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.178350][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.178356][  T509]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.178358][  T509]  ? __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)
[   41.178360][  T509]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.178363][  T509]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.178366][  T509]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.178368][  T509]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.178374][  T509]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.178379][  T509]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.178384][  T509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.178386][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.178391][  T509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.178393][  T509]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.178395][  T509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.178397][  T509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.178401][  T509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.178403][  T509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.178406][  T509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.178408][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.178416][  T509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.178418][  T509]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.178422][  T509]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.178424][  T509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.178427][  T509]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.178433][  T509]  ? 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))
[   41.178434][  T509]  ? 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))
[   41.178438][  T509]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.178442][  T509]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.178445][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   41.178449][  T509]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.178453][  T509]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.178454][  T509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.178457][  T509]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.178461][  T509]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.178465][  T509]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.178467][  T509]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.178469][  T509]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.178471][  T509]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   41.178479][  T509]  ___sys_sendmsg (net/socket.c:2767)
[   41.178481][  T509]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.178497][  T509]  __sys_sendmsg (net/socket.c:2799)
[   41.178500][  T509]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.178507][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.178510][  T509]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.178512][  T509]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.178515][  T509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.178517][  T509] RIP: 0033:0x7f9287b9954e
[   41.178521][  T509] 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
[   41.178523][  T509] RSP: 002b:00007fff8ecb76a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.178526][  T509] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9287b9954e
[   41.178527][  T509] RDX: 0000000000000000 RSI: 00007fff8ecb7750 RDI: 0000000000000005
[   41.178528][  T509] RBP: 00007fff8ecb76b0 R08: 0000000000000000 R09: 0000000000000000
[   41.178529][  T509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91392c
[   41.178530][  T509] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8ecb7e20
| [   42.231173][  T519] softirqs last disabled at (22952): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   42.231176][  T519] Preemption disabled at:
| [   42.231177][  T519] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.231186][  T519] Tainted: [W]=WARN
[   42.231187][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.231188][  T519] Call Trace:
[   42.231190][  T519]  <TASK>
[   42.231192][  T519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.231197][  T519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.231199][  T519]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.231204][  T519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.231207][  T519]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.231212][  T519]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   42.231215][  T519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.231221][  T519]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.231224][  T519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.231227][  T519]  put_chars (drivers/char/virtio_console.c:1176)
[   42.231230][  T519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.231234][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.231238][  T519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.231242][  T519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.231246][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.231248][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.231252][  T519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.231256][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.231258][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.231263][  T519]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.231266][  T519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.231267][  T519]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   42.231270][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.231272][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.231276][  T519]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.231280][  T519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.231281][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.231287][  T519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.231289][  T519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.231291][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.231293][  T519]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.231296][  T519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.231298][  T519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.231301][  T519]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.231305][  T519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.231307][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.231309][  T519]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   42.231311][  T519]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   42.231315][  T519]  _printk (kernel/printk/printk.c:2504)
[   42.231319][  T519]  ? snapshot_read.cold (user.c:?)
[   42.231321][  T519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.231323][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.231326][  T519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.231328][  T519]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.231331][  T519]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.231334][  T519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.231336][  T519]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.231339][  T519]  ? netdev_notice (net/core/dev.c:13194)
[   42.231342][  T519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.231345][  T519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.231347][  T519]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.231351][  T519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.231353][  T519]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   42.231362][  T519]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   42.231369][  T519]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   42.231371][  T519]  ? __kernel_text_address (kernel/extable.c:79)
[   42.231375][  T519]  ? write_profile (profile.c:?)
[   42.231379][  T519]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   42.231384][  T519]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.231388][  T519]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.231391][  T519]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.231392][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.231394][  T519]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.231398][  T519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.231400][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.231402][  T519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.231405][  T519]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.231408][  T519]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.231410][  T519]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.231415][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.231418][  T519]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   42.231421][  T519]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   42.231426][  T519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.231428][  T519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.231430][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.231432][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.231434][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.231435][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.231437][  T519]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.231440][  T519]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   42.231443][  T519]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.231445][  T519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.231449][  T519]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.231450][  T519]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.231456][  T519]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.231461][  T519]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.231467][  T519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.231469][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.231473][  T519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.231475][  T519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.231478][  T519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.231479][  T519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.231483][  T519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.231485][  T519]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.231488][  T519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.231490][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.231494][  T519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.231496][  T519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.231500][  T519]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.231502][  T519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.231504][  T519]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.231511][  T519]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.231512][  T519]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.231516][  T519]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.231520][  T519]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.231523][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   42.231527][  T519]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.231531][  T519]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.231532][  T519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.231535][  T519]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.231539][  T519]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.231543][  T519]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.231545][  T519]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.231547][  T519]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.231549][  T519]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   42.231556][  T519]  ___sys_sendmsg (net/socket.c:2767)
[   42.231559][  T519]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.231575][  T519]  __sys_sendmsg (net/socket.c:2799)
[   42.231578][  T519]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.231584][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.231588][  T519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.231590][  T519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.231594][  T519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.231596][  T519] RIP: 0033:0x7f6dd600854e
[   42.231600][  T519] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.231602][  T519] RSP: 002b:00007fff4f629a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.231604][  T519] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6dd600854e
[   42.231606][  T519] RDX: 0000000000000000 RSI: 00007fff4f629b10 RDI: 0000000000000005
[   42.231607][  T519] RBP: 00007fff4f629a70 R08: 0000000000000000 R09: 0000000000000000
[   42.231607][  T519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91392d
[   42.231608][  T519] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4f62a1e0
| [   43.305535][  T529] softirqs last disabled at (23098): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   43.305538][  T529] Preemption disabled at:
| [   43.305538][  T529] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.305547][  T529] Tainted: [W]=WARN
[   43.305549][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.305550][  T529] Call Trace:
[   43.305552][  T529]  <TASK>
[   43.305554][  T529]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.305559][  T529]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.305561][  T529]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.305566][  T529]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.305569][  T529]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.305574][  T529]  __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))
[   43.305577][  T529]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.305583][  T529]  ? 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)
[   43.305586][  T529]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.305590][  T529]  put_chars (drivers/char/virtio_console.c:1176)
[   43.305593][  T529]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.305597][  T529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.305601][  T529]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.305605][  T529]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.305609][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.305611][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.305616][  T529]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.305619][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.305622][  T529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.305626][  T529]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.305630][  T529]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.305631][  T529]  ? 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))
[   43.305634][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.305636][  T529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.305640][  T529]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.305644][  T529]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.305646][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.305651][  T529]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.305654][  T529]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.305655][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.305657][  T529]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.305661][  T529]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.305663][  T529]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.305666][  T529]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.305669][  T529]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.305671][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.305674][  T529]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   43.305676][  T529]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   43.305679][  T529]  _printk (kernel/printk/printk.c:2504)
[   43.305683][  T529]  ? snapshot_read.cold (user.c:?)
[   43.305685][  T529]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.305687][  T529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.305689][  T529]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.305692][  T529]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.305695][  T529]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.305698][  T529]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.305700][  T529]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.305703][  T529]  ? netdev_notice (net/core/dev.c:13194)
[   43.305705][  T529]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.305708][  T529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.305711][  T529]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.305715][  T529]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.305717][  T529]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   43.305720][  T529]  ? 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))
[   43.305726][  T529]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   43.305729][  T529]  ? __kernel_text_address (kernel/extable.c:79)
[   43.305732][  T529]  ? write_profile (profile.c:?)
[   43.305736][  T529]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   43.305741][  T529]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.305746][  T529]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.305748][  T529]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.305749][  T529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.305751][  T529]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.305755][  T529]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.305757][  T529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.305759][  T529]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.305762][  T529]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.305765][  T529]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.305767][  T529]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.305770][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.305772][  T529]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   43.305775][  T529]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   43.305780][  T529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.305782][  T529]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.305785][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.305787][  T529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.305788][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.305790][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.305792][  T529]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.305794][  T529]  ? __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)
[   43.305797][  T529]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.305800][  T529]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.305803][  T529]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.305805][  T529]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.305811][  T529]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.305816][  T529]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.305822][  T529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.305824][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.305828][  T529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.305830][  T529]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.305833][  T529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.305834][  T529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.305838][  T529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.305840][  T529]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.305844][  T529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.305845][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.305850][  T529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.305852][  T529]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.305856][  T529]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.305858][  T529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.305860][  T529]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.305867][  T529]  ? 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))
[   43.305868][  T529]  ? 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))
[   43.305873][  T529]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.305876][  T529]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.305879][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   43.305883][  T529]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.305887][  T529]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.305889][  T529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.305892][  T529]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.305896][  T529]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.305900][  T529]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.305902][  T529]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.305904][  T529]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.305906][  T529]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   43.305913][  T529]  ___sys_sendmsg (net/socket.c:2767)
[   43.305916][  T529]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.305933][  T529]  __sys_sendmsg (net/socket.c:2799)
[   43.305936][  T529]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.305942][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.305946][  T529]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.305948][  T529]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.305952][  T529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.305954][  T529] RIP: 0033:0x7f2caefbb54e
[   43.305958][  T529] 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
[   43.305960][  T529] RSP: 002b:00007ffd08f28610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.305962][  T529] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2caefbb54e
[   43.305964][  T529] RDX: 0000000000000000 RSI: 00007ffd08f286c0 RDI: 0000000000000005
[   43.305965][  T529] RBP: 00007ffd08f28620 R08: 0000000000000000 R09: 0000000000000000
[   43.305965][  T529] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91392e
[   43.305966][  T529] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd08f28d90
| [   44.483711][  T539] softirqs last disabled at (31390): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.483714][  T539] Preemption disabled at:
| [   44.483715][  T539] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.483724][  T539] Tainted: [W]=WARN
[   44.483725][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.483726][  T539] Call Trace:
[   44.483728][  T539]  <TASK>
[   44.483729][  T539]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.483734][  T539]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.483736][  T539]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.483741][  T539]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.483744][  T539]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.483750][  T539]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.483752][  T539]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.483759][  T539]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.483762][  T539]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.483765][  T539]  put_chars (drivers/char/virtio_console.c:1176)
[   44.483768][  T539]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.483772][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.483776][  T539]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.483781][  T539]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.483784][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.483786][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.483791][  T539]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.483794][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.483797][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.483801][  T539]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.483805][  T539]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.483806][  T539]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   44.483809][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.483811][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.483815][  T539]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.483819][  T539]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.483821][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.483826][  T539]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.483829][  T539]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.483830][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.483832][  T539]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.483836][  T539]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.483838][  T539]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.483841][  T539]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.483844][  T539]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.483846][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.483849][  T539]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   44.483851][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.483855][  T539]  _printk (kernel/printk/printk.c:2504)
[   44.483858][  T539]  ? snapshot_read.cold (user.c:?)
[   44.483860][  T539]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.483863][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.483865][  T539]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.483868][  T539]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.483871][  T539]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.483874][  T539]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.483876][  T539]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.483879][  T539]  ? netdev_notice (net/core/dev.c:13194)
[   44.483882][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.483885][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.483888][  T539]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.483891][  T539]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.483893][  T539]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.483897][  T539]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   44.483903][  T539]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.483906][  T539]  ? __kernel_text_address (kernel/extable.c:79)
[   44.483909][  T539]  ? write_profile (profile.c:?)
[   44.483913][  T539]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.483918][  T539]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.483923][  T539]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.483925][  T539]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.483927][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.483929][  T539]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.483932][  T539]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.483935][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.483937][  T539]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.483940][  T539]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.483943][  T539]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.483944][  T539]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.483947][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.483949][  T539]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   44.483952][  T539]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   44.483957][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.483960][  T539]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.483962][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.483964][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.483966][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.483967][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.483969][  T539]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.483972][  T539]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   44.483975][  T539]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.483977][  T539]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.483981][  T539]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.483983][  T539]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.483989][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.483994][  T539]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.484000][  T539]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.484002][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.484007][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.484009][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.484011][  T539]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.484013][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.484017][  T539]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.484019][  T539]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.484022][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.484024][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.484030][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.484033][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.484036][  T539]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.484038][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.484041][  T539]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.484048][  T539]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.484049][  T539]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.484053][  T539]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.484057][  T539]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.484060][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   44.484064][  T539]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.484068][  T539]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.484070][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.484073][  T539]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.484077][  T539]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.484081][  T539]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.484083][  T539]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.484086][  T539]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.484087][  T539]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   44.484095][  T539]  ___sys_sendmsg (net/socket.c:2767)
[   44.484098][  T539]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.484114][  T539]  __sys_sendmsg (net/socket.c:2799)
[   44.484117][  T539]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.484124][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.484127][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.484130][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.484133][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.484136][  T539] RIP: 0033:0x7f76223b154e
[   44.484140][  T539] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.484142][  T539] RSP: 002b:00007ffc514ae920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.484144][  T539] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f76223b154e
[   44.484146][  T539] RDX: 0000000000000000 RSI: 00007ffc514ae9d0 RDI: 0000000000000005
[   44.484147][  T539] RBP: 00007ffc514ae930 R08: 0000000000000000 R09: 0000000000000000
[   44.484147][  T539] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91392f
[   44.484148][  T539] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc514af0a0
| [   45.524658][  T548] softirqs last disabled at (22660): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.524660][  T548] Preemption disabled at:
| [   45.524661][  T548] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.524670][  T548] Tainted: [W]=WARN
[   45.524671][  T548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.524672][  T548] Call Trace:
[   45.524674][  T548]  <TASK>
[   45.524675][  T548]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.524680][  T548]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.524682][  T548]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.524687][  T548]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.524690][  T548]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.524695][  T548]  __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))
[   45.524697][  T548]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.524704][  T548]  ? 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)
[   45.524707][  T548]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.524710][  T548]  put_chars (drivers/char/virtio_console.c:1176)
[   45.524713][  T548]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.524717][  T548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.524720][  T548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.524725][  T548]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.524729][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.524731][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.524735][  T548]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.524739][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.524741][  T548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.524746][  T548]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.524749][  T548]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.524751][  T548]  ? 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))
[   45.524753][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.524755][  T548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.524759][  T548]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.524763][  T548]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.524764][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.524770][  T548]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.524772][  T548]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.524774][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.524776][  T548]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.524780][  T548]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.524782][  T548]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.524785][  T548]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.524788][  T548]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.524790][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.524792][  T548]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   45.524794][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   45.524798][  T548]  _printk (kernel/printk/printk.c:2504)
[   45.524802][  T548]  ? snapshot_read.cold (user.c:?)
[   45.524804][  T548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.524807][  T548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.524809][  T548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.524811][  T548]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.524814][  T548]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.524817][  T548]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.524819][  T548]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.524821][  T548]  ? netdev_notice (net/core/dev.c:13194)
[   45.524824][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.524827][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.524830][  T548]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.524833][  T548]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.524835][  T548]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.524839][  T548]  ? 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))
[   45.524845][  T548]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.524848][  T548]  ? __kernel_text_address (kernel/extable.c:79)
[   45.524851][  T548]  ? write_profile (profile.c:?)
[   45.524855][  T548]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.524860][  T548]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.524865][  T548]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.524867][  T548]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.524868][  T548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.524870][  T548]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.524874][  T548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.524876][  T548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.524878][  T548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.524881][  T548]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.524884][  T548]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.524885][  T548]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.524888][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.524890][  T548]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   45.524893][  T548]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   45.524898][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.524900][  T548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.524903][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.524905][  T548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.524906][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.524908][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.524910][  T548]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.524912][  T548]  ? __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)
[   45.524916][  T548]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.524918][  T548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.524921][  T548]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.524923][  T548]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.524929][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.524935][  T548]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.524940][  T548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.524942][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.524947][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.524949][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.524951][  T548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.524953][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.524957][  T548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.524959][  T548]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.524962][  T548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.524963][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.524968][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.524970][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.524974][  T548]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.524975][  T548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.524978][  T548]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.524985][  T548]  ? 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))
[   45.524986][  T548]  ? 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))
[   45.524990][  T548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.524994][  T548]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.524997][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   45.525001][  T548]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.525005][  T548]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.525006][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.525009][  T548]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.525013][  T548]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.525017][  T548]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.525019][  T548]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.525021][  T548]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.525023][  T548]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   45.525032][  T548]  ___sys_sendmsg (net/socket.c:2767)
[   45.525035][  T548]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.525051][  T548]  __sys_sendmsg (net/socket.c:2799)
[   45.525055][  T548]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.525061][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.525064][  T548]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.525067][  T548]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.525070][  T548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.525072][  T548] RIP: 0033:0x7f6ed189b54e
[   45.525076][  T548] 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
[   45.525078][  T548] RSP: 002b:00007ffc156f94e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.525081][  T548] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6ed189b54e
[   45.525082][  T548] RDX: 0000000000000000 RSI: 00007ffc156f9590 RDI: 0000000000000005
[   45.525083][  T548] RBP: 00007ffc156f94f0 R08: 0000000000000000 R09: 0000000000000000
[   45.525084][  T548] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913930
[   45.525085][  T548] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc156f9c60
| [   46.639247][  T559] softirqs last disabled at (17040): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   46.639250][  T559] Preemption disabled at:
| [   46.639251][  T559] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.639260][  T559] Tainted: [W]=WARN
[   46.639261][  T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.639262][  T559] Call Trace:
[   46.639264][  T559]  <TASK>
[   46.639265][  T559]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.639270][  T559]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.639272][  T559]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.639277][  T559]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.639280][  T559]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.639285][  T559]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.639288][  T559]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.639294][  T559]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.639297][  T559]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.639301][  T559]  put_chars (drivers/char/virtio_console.c:1176)
[   46.639304][  T559]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.639308][  T559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.639312][  T559]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.639316][  T559]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.639320][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.639322][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.639327][  T559]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.639331][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.639333][  T559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.639338][  T559]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.639341][  T559]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.639343][  T559]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   46.639346][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.639348][  T559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.639352][  T559]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.639356][  T559]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.639357][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.639363][  T559]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.639366][  T559]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.639367][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.639369][  T559]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.639378][  T559]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.639380][  T559]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.639383][  T559]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.639386][  T559]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.639388][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.639390][  T559]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   46.639392][  T559]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   46.639397][  T559]  _printk (kernel/printk/printk.c:2504)
[   46.639400][  T559]  ? snapshot_read.cold (user.c:?)
[   46.639402][  T559]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.639405][  T559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.639408][  T559]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.639411][  T559]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.639417][  T559]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.639420][  T559]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.639422][  T559]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.639425][  T559]  ? netdev_notice (net/core/dev.c:13194)
[   46.639427][  T559]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.639431][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.639433][  T559]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.639437][  T559]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.639439][  T559]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   46.639442][  T559]  ? 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))
[   46.639449][  T559]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   46.639451][  T559]  ? __kernel_text_address (kernel/extable.c:79)
[   46.639455][  T559]  ? write_profile (profile.c:?)
[   46.639459][  T559]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   46.639464][  T559]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.639468][  T559]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.639471][  T559]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.639472][  T559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.639474][  T559]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.639478][  T559]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.639480][  T559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.639483][  T559]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.639485][  T559]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.639488][  T559]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.639490][  T559]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.639493][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.639495][  T559]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   46.639498][  T559]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   46.639503][  T559]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.639505][  T559]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.639508][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.639510][  T559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.639512][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.639513][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.639515][  T559]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.639518][  T559]  ? __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)
[   46.639521][  T559]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.639524][  T559]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.639527][  T559]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.639529][  T559]  ? nla_get_range_signed (lib/nlattr.c:270)
[   46.639535][  T559]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.639540][  T559]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.639546][  T559]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.639548][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.639553][  T559]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.639555][  T559]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.639557][  T559]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.639559][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.639563][  T559]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.639565][  T559]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.639568][  T559]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.639569][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.639574][  T559]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.639576][  T559]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.639580][  T559]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.639582][  T559]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.639585][  T559]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.639591][  T559]  ? 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))
[   46.639593][  T559]  ? 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))
[   46.639597][  T559]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.639601][  T559]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.639604][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   46.639608][  T559]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.639612][  T559]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.639614][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.639617][  T559]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.639621][  T559]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.639625][  T559]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.639627][  T559]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.639630][  T559]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.639631][  T559]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   46.639639][  T559]  ___sys_sendmsg (net/socket.c:2767)
[   46.639642][  T559]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.639658][  T559]  __sys_sendmsg (net/socket.c:2799)
[   46.639662][  T559]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.639668][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.639671][  T559]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.639674][  T559]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.639678][  T559]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.639680][  T559] RIP: 0033:0x7f8b07c3654e
[   46.639684][  T559] 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
[   46.639686][  T559] RSP: 002b:00007ffc77bf2f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.639689][  T559] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8b07c3654e
[   46.639690][  T559] RDX: 0000000000000000 RSI: 00007ffc77bf3010 RDI: 0000000000000005
[   46.639691][  T559] RBP: 00007ffc77bf2f70 R08: 0000000000000000 R09: 0000000000000000
[   46.639692][  T559] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913932
[   46.639693][  T559] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc77bf36e0
| [   47.679297][  T570] softirqs last disabled at (20788): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.679299][  T570] Preemption disabled at:
| [   47.679300][  T570] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.679308][  T570] Tainted: [W]=WARN
[   47.679309][  T570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.679311][  T570] Call Trace:
[   47.679312][  T570]  <TASK>
[   47.679314][  T570]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.679319][  T570]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.679321][  T570]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.679325][  T570]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.679328][  T570]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.679334][  T570]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.679336][  T570]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.679342][  T570]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.679345][  T570]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.679349][  T570]  put_chars (drivers/char/virtio_console.c:1176)
[   47.679352][  T570]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.679355][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.679359][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.679364][  T570]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.679367][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.679369][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.679378][  T570]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.679382][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.679384][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.679389][  T570]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.679392][  T570]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.679393][  T570]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   47.679396][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.679398][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.679402][  T570]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.679406][  T570]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.679407][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.679417][  T570]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.679420][  T570]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.679421][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.679423][  T570]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.679427][  T570]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.679429][  T570]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.679432][  T570]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.679435][  T570]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.679437][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.679439][  T570]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   47.679441][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   47.679445][  T570]  _printk (kernel/printk/printk.c:2504)
[   47.679449][  T570]  ? snapshot_read.cold (user.c:?)
[   47.679450][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.679453][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.679455][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.679458][  T570]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.679461][  T570]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.679464][  T570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.679466][  T570]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.679469][  T570]  ? netdev_notice (net/core/dev.c:13194)
[   47.679471][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.679474][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.679477][  T570]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.679480][  T570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.679483][  T570]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.679486][  T570]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   47.679492][  T570]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.679495][  T570]  ? __kernel_text_address (kernel/extable.c:79)
[   47.679498][  T570]  ? write_profile (profile.c:?)
[   47.679502][  T570]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.679507][  T570]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.679512][  T570]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.679514][  T570]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.679515][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.679517][  T570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.679521][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.679523][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.679525][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.679528][  T570]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.679530][  T570]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.679532][  T570]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.679535][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.679537][  T570]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   47.679540][  T570]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   47.679545][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.679547][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.679550][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.679551][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.679553][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.679555][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.679556][  T570]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.679559][  T570]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   47.679562][  T570]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.679564][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.679568][  T570]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.679570][  T570]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.679575][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.679581][  T570]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.679586][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.679588][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.679593][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.679595][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.679597][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.679599][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.679602][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.679604][  T570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.679608][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.679609][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.679613][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.679615][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.679619][  T570]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.679621][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.679624][  T570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.679630][  T570]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.679631][  T570]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.679635][  T570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.679639][  T570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.679642][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   47.679646][  T570]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.679650][  T570]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.679651][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.679654][  T570]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.679658][  T570]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.679662][  T570]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.679664][  T570]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.679666][  T570]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.679668][  T570]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   47.679675][  T570]  ___sys_sendmsg (net/socket.c:2767)
[   47.679678][  T570]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.679694][  T570]  __sys_sendmsg (net/socket.c:2799)
[   47.679697][  T570]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.679703][  T570]  ? 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)
[   47.679706][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.679710][  T570]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.679712][  T570]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.679716][  T570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.679718][  T570] RIP: 0033:0x7fa1f397754e
[   47.679722][  T570] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.679724][  T570] RSP: 002b:00007ffc082521e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.679726][  T570] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa1f397754e
[   47.679728][  T570] RDX: 0000000000000000 RSI: 00007ffc08252290 RDI: 0000000000000005
[   47.679729][  T570] RBP: 00007ffc082521f0 R08: 0000000000000000 R09: 0000000000000000
[   47.679730][  T570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913933
[   47.679731][  T570] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc08252960
| [   48.778072][  T580] softirqs last disabled at (22438): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.778075][  T580] Preemption disabled at:
| [   48.778076][  T580] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.778085][  T580] Tainted: [W]=WARN
[   48.778086][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.778088][  T580] Call Trace:
[   48.778090][  T580]  <TASK>
[   48.778091][  T580]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.778096][  T580]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.778098][  T580]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.778103][  T580]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.778106][  T580]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.778111][  T580]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.778114][  T580]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.778120][  T580]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.778123][  T580]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.778127][  T580]  put_chars (drivers/char/virtio_console.c:1176)
[   48.778130][  T580]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.778133][  T580]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.778137][  T580]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.778142][  T580]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.778145][  T580]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.778147][  T580]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.778152][  T580]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.778156][  T580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.778158][  T580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.778163][  T580]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.778166][  T580]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.778168][  T580]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.778171][  T580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.778173][  T580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.778177][  T580]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.778181][  T580]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.778182][  T580]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.778188][  T580]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.778190][  T580]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.778192][  T580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.778194][  T580]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.778198][  T580]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.778200][  T580]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.778203][  T580]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.778206][  T580]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.778208][  T580]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.778210][  T580]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   48.778212][  T580]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   48.778217][  T580]  _printk (kernel/printk/printk.c:2504)
[   48.778220][  T580]  ? snapshot_read.cold (user.c:?)
[   48.778222][  T580]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.778225][  T580]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.778227][  T580]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.778230][  T580]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.778233][  T580]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.778236][  T580]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.778238][  T580]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.778241][  T580]  ? netdev_notice (net/core/dev.c:13194)
[   48.778243][  T580]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.778246][  T580]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.778249][  T580]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.778253][  T580]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.778255][  T580]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.778258][  T580]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   48.778264][  T580]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.778267][  T580]  ? __kernel_text_address (kernel/extable.c:79)
[   48.778270][  T580]  ? write_profile (profile.c:?)
[   48.778274][  T580]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.778279][  T580]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.778284][  T580]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.778287][  T580]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.778288][  T580]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.778290][  T580]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.778294][  T580]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.778296][  T580]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.778298][  T580]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.778301][  T580]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.778304][  T580]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.778306][  T580]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.778309][  T580]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.778311][  T580]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   48.778314][  T580]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   48.778319][  T580]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.778321][  T580]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.778324][  T580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.778326][  T580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.778328][  T580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.778329][  T580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.778331][  T580]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.778334][  T580]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.778337][  T580]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.778339][  T580]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.778343][  T580]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.778345][  T580]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.778351][  T580]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.778356][  T580]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.778362][  T580]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.778364][  T580]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.778369][  T580]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.778371][  T580]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.778373][  T580]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.778375][  T580]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.778384][  T580]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.778386][  T580]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.778390][  T580]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.778391][  T580]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.778396][  T580]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.778398][  T580]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.778402][  T580]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.778404][  T580]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.778406][  T580]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.778417][  T580]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.778418][  T580]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.778423][  T580]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.778426][  T580]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.778429][  T580]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   48.778434][  T580]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.778437][  T580]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.778439][  T580]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.778442][  T580]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.778446][  T580]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.778450][  T580]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.778452][  T580]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.778455][  T580]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.778456][  T580]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   48.778464][  T580]  ___sys_sendmsg (net/socket.c:2767)
[   48.778467][  T580]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.778482][  T580]  __sys_sendmsg (net/socket.c:2799)
[   48.778486][  T580]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.778492][  T580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.778496][  T580]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.778498][  T580]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.778502][  T580]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.778504][  T580] RIP: 0033:0x7f596e7c354e
[   48.778508][  T580] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.778510][  T580] RSP: 002b:00007ffd8c139b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.778512][  T580] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f596e7c354e
[   48.778514][  T580] RDX: 0000000000000000 RSI: 00007ffd8c139c10 RDI: 0000000000000005
[   48.778515][  T580] RBP: 00007ffd8c139b70 R08: 0000000000000000 R09: 0000000000000000
[   48.778516][  T580] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913934
[   48.778516][  T580] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8c13a2e0
| [   49.793715][  T590] softirqs last disabled at (28160): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   49.793718][  T590] Preemption disabled at:
| [   49.793718][  T590] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.793728][  T590] Tainted: [W]=WARN
[   49.793729][  T590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.793730][  T590] Call Trace:
[   49.793732][  T590]  <TASK>
[   49.793734][  T590]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.793739][  T590]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.793740][  T590]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.793745][  T590]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.793749][  T590]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.793754][  T590]  __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))
[   49.793757][  T590]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.793763][  T590]  ? 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)
[   49.793766][  T590]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.793770][  T590]  put_chars (drivers/char/virtio_console.c:1176)
[   49.793773][  T590]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.793777][  T590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.793780][  T590]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.793785][  T590]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.793789][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.793791][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.793796][  T590]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.793799][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.793802][  T590]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.793806][  T590]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.793810][  T590]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.793811][  T590]  ? 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))
[   49.793814][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.793816][  T590]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.793820][  T590]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.793824][  T590]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.793826][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.793831][  T590]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.793834][  T590]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.793835][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.793837][  T590]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.793841][  T590]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.793843][  T590]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.793846][  T590]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.793850][  T590]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.793852][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.793854][  T590]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   49.793856][  T590]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   49.793860][  T590]  _printk (kernel/printk/printk.c:2504)
[   49.793864][  T590]  ? snapshot_read.cold (user.c:?)
[   49.793865][  T590]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.793869][  T590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.793871][  T590]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.793873][  T590]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.793876][  T590]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.793879][  T590]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.793883][  T590]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.793886][  T590]  ? netdev_notice (net/core/dev.c:13194)
[   49.793889][  T590]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.793892][  T590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.793895][  T590]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.793899][  T590]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.793901][  T590]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   49.793904][  T590]  ? 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))
[   49.793911][  T590]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   49.793914][  T590]  ? __kernel_text_address (kernel/extable.c:79)
[   49.793917][  T590]  ? write_profile (profile.c:?)
[   49.793921][  T590]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   49.793926][  T590]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.793931][  T590]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.793934][  T590]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.793935][  T590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.793937][  T590]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.793941][  T590]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.793943][  T590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.793945][  T590]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.793948][  T590]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.793951][  T590]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.793953][  T590]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.793956][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.793958][  T590]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   49.793961][  T590]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   49.793966][  T590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.793968][  T590]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.793971][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.793973][  T590]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.793975][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.793976][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.793978][  T590]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.793981][  T590]  ? __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)
[   49.793984][  T590]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.793987][  T590]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.793990][  T590]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.793992][  T590]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.793998][  T590]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.794004][  T590]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.794010][  T590]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.794012][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.794017][  T590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.794019][  T590]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.794021][  T590]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.794023][  T590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.794027][  T590]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.794029][  T590]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.794032][  T590]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.794034][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.794039][  T590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.794041][  T590]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.794045][  T590]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.794047][  T590]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.794050][  T590]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.794056][  T590]  ? 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))
[   49.794058][  T590]  ? 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))
[   49.794062][  T590]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.794066][  T590]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.794069][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   49.794073][  T590]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.794077][  T590]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.794079][  T590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.794082][  T590]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.794086][  T590]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.794090][  T590]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.794093][  T590]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.794095][  T590]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   49.794097][  T590]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   49.794104][  T590]  ___sys_sendmsg (net/socket.c:2767)
[   49.794107][  T590]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.794124][  T590]  __sys_sendmsg (net/socket.c:2799)
[   49.794128][  T590]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.794134][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.794138][  T590]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.794140][  T590]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.794144][  T590]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.794146][  T590] RIP: 0033:0x7ffa61ab054e
[   49.794150][  T590] 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
[   49.794153][  T590] RSP: 002b:00007ffc2c9545f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.794155][  T590] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffa61ab054e
[   49.794157][  T590] RDX: 0000000000000000 RSI: 00007ffc2c9546a0 RDI: 0000000000000005
[   49.794158][  T590] RBP: 00007ffc2c954600 R08: 0000000000000000 R09: 0000000000000000
[   49.794159][  T590] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913935
[   49.794159][  T590] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2c954d70
| [   50.833488][  T600] softirqs last disabled at (32258): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.833490][  T600] Preemption disabled at:
| [   50.833491][  T600] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.833500][  T600] Tainted: [W]=WARN
[   50.833501][  T600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.833503][  T600] Call Trace:
[   50.833504][  T600]  <TASK>
[   50.833506][  T600]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.833511][  T600]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.833513][  T600]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.833517][  T600]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.833520][  T600]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.833526][  T600]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.833528][  T600]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.833534][  T600]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.833537][  T600]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.833540][  T600]  put_chars (drivers/char/virtio_console.c:1176)
[   50.833544][  T600]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.833547][  T600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.833551][  T600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.833556][  T600]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.833559][  T600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833561][  T600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833566][  T600]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.833569][  T600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833572][  T600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.833576][  T600]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.833580][  T600]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.833581][  T600]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   50.833584][  T600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833586][  T600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.833590][  T600]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.833594][  T600]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.833595][  T600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833601][  T600]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.833603][  T600]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.833604][  T600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833606][  T600]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.833610][  T600]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.833612][  T600]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.833615][  T600]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.833619][  T600]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.833621][  T600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833623][  T600]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   50.833625][  T600]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   50.833628][  T600]  _printk (kernel/printk/printk.c:2504)
[   50.833632][  T600]  ? snapshot_read.cold (user.c:?)
[   50.833634][  T600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.833637][  T600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.833639][  T600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.833641][  T600]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.833644][  T600]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.833647][  T600]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.833649][  T600]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.833652][  T600]  ? netdev_notice (net/core/dev.c:13194)
[   50.833654][  T600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.833657][  T600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.833660][  T600]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.833664][  T600]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.833666][  T600]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.833669][  T600]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   50.833675][  T600]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.833678][  T600]  ? __kernel_text_address (kernel/extable.c:79)
[   50.833681][  T600]  ? write_profile (profile.c:?)
[   50.833685][  T600]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.833690][  T600]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.833694][  T600]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.833697][  T600]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.833698][  T600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.833700][  T600]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.833703][  T600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.833706][  T600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.833708][  T600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.833710][  T600]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.833713][  T600]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.833715][  T600]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.833718][  T600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833720][  T600]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   50.833723][  T600]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   50.833728][  T600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.833730][  T600]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.833733][  T600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833734][  T600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.833736][  T600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833737][  T600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833739][  T600]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.833742][  T600]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   50.833745][  T600]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.833747][  T600]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.833751][  T600]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.833753][  T600]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.833759][  T600]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.833764][  T600]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.833769][  T600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.833771][  T600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833776][  T600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.833778][  T600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.833780][  T600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.833782][  T600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.833786][  T600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.833788][  T600]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.833791][  T600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.833793][  T600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833797][  T600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.833799][  T600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.833803][  T600]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.833805][  T600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.833808][  T600]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.833814][  T600]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.833816][  T600]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.833820][  T600]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.833823][  T600]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.833826][  T600]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   50.833830][  T600]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.833834][  T600]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.833836][  T600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.833839][  T600]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.833842][  T600]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.833846][  T600]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.833849][  T600]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.833851][  T600]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.833853][  T600]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   50.833860][  T600]  ___sys_sendmsg (net/socket.c:2767)
[   50.833863][  T600]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.833879][  T600]  __sys_sendmsg (net/socket.c:2799)
[   50.833882][  T600]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.833889][  T600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833892][  T600]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.833894][  T600]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.833898][  T600]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.833900][  T600] RIP: 0033:0x7f9e4817254e
[   50.833904][  T600] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.833906][  T600] RSP: 002b:00007ffda1a8d400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.833908][  T600] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9e4817254e
[   50.833910][  T600] RDX: 0000000000000000 RSI: 00007ffda1a8d4b0 RDI: 0000000000000005
[   50.833911][  T600] RBP: 00007ffda1a8d410 R08: 0000000000000000 R09: 0000000000000000
[   50.833911][  T600] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913936
[   50.833912][  T600] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda1a8db80
| [   51.876094][  T610] softirqs last disabled at (14676): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.876097][  T610] Preemption disabled at:
| [   51.876097][  T610] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.876107][  T610] Tainted: [W]=WARN
[   51.876108][  T610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.876110][  T610] Call Trace:
[   51.876111][  T610]  <TASK>
[   51.876113][  T610]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.876118][  T610]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.876120][  T610]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.876125][  T610]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.876128][  T610]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.876133][  T610]  __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))
[   51.876135][  T610]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.876141][  T610]  ? 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)
[   51.876145][  T610]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.876148][  T610]  put_chars (drivers/char/virtio_console.c:1176)
[   51.876151][  T610]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.876154][  T610]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.876158][  T610]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.876163][  T610]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.876166][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.876168][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.876173][  T610]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.876177][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.876180][  T610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.876184][  T610]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.876187][  T610]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.876189][  T610]  ? 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))
[   51.876192][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.876193][  T610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.876198][  T610]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.876202][  T610]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.876203][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.876208][  T610]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.876211][  T610]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.876212][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.876214][  T610]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   51.876218][  T610]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.876221][  T610]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.876224][  T610]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.876228][  T610]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.876230][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.876232][  T610]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   51.876234][  T610]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   51.876238][  T610]  _printk (kernel/printk/printk.c:2504)
[   51.876241][  T610]  ? snapshot_read.cold (user.c:?)
[   51.876243][  T610]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.876246][  T610]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.876248][  T610]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.876251][  T610]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.876254][  T610]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.876257][  T610]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.876259][  T610]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.876262][  T610]  ? netdev_notice (net/core/dev.c:13194)
[   51.876264][  T610]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.876267][  T610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.876270][  T610]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.876274][  T610]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.876276][  T610]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.876279][  T610]  ? 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))
[   51.876286][  T610]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.876288][  T610]  ? __kernel_text_address (kernel/extable.c:79)
[   51.876291][  T610]  ? write_profile (profile.c:?)
[   51.876296][  T610]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.876301][  T610]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.876306][  T610]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.876308][  T610]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.876309][  T610]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.876312][  T610]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.876315][  T610]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.876318][  T610]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.876320][  T610]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.876323][  T610]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.876326][  T610]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.876327][  T610]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.876330][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.876332][  T610]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   51.876335][  T610]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   51.876340][  T610]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.876343][  T610]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.876345][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.876347][  T610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.876349][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.876350][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.876352][  T610]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.876355][  T610]  ? __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)
[   51.876357][  T610]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.876360][  T610]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.876363][  T610]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.876365][  T610]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.876371][  T610]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.876376][  T610]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.876382][  T610]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.876384][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.876394][  T610]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.876397][  T610]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.876399][  T610]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.876401][  T610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.876405][  T610]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.876407][  T610]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.876412][  T610]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.876414][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.876420][  T610]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.876422][  T610]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.876426][  T610]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.876427][  T610]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.876430][  T610]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.876437][  T610]  ? 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))
[   51.876438][  T610]  ? 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))
[   51.876443][  T610]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.876446][  T610]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.876449][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   51.876454][  T610]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.876458][  T610]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.876459][  T610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.876462][  T610]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.876466][  T610]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.876470][  T610]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.876473][  T610]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.876475][  T610]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   51.876477][  T610]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   51.876484][  T610]  ___sys_sendmsg (net/socket.c:2767)
[   51.876487][  T610]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.876504][  T610]  __sys_sendmsg (net/socket.c:2799)
[   51.876507][  T610]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.876514][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.876517][  T610]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.876519][  T610]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.876522][  T610]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.876525][  T610] RIP: 0033:0x7f562caee54e
[   51.876528][  T610] 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
[   51.876530][  T610] RSP: 002b:00007fff939d1ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.876533][  T610] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f562caee54e
[   51.876534][  T610] RDX: 0000000000000000 RSI: 00007fff939d1b70 RDI: 0000000000000005
[   51.876535][  T610] RBP: 00007fff939d1ad0 R08: 0000000000000000 R09: 0000000000000000
[   51.876536][  T610] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913937
[   51.876537][  T610] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff939d2240
| [   52.918041][  T619] softirqs last disabled at (22218): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.918044][  T619] Preemption disabled at:
| [   52.918044][  T619] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.918053][  T619] Tainted: [W]=WARN
[   52.918054][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.918056][  T619] Call Trace:
[   52.918058][  T619]  <TASK>
[   52.918059][  T619]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.918065][  T619]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.918067][  T619]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.918071][  T619]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.918075][  T619]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.918080][  T619]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.918083][  T619]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.918089][  T619]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.918093][  T619]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.918096][  T619]  put_chars (drivers/char/virtio_console.c:1176)
[   52.918100][  T619]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.918103][  T619]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.918107][  T619]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.918112][  T619]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.918116][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.918118][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.918123][  T619]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.918126][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.918129][  T619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.918133][  T619]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.918137][  T619]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.918138][  T619]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.918141][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.918143][  T619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.918148][  T619]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.918152][  T619]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.918153][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.918159][  T619]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.918161][  T619]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.918163][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.918165][  T619]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.918169][  T619]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.918171][  T619]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.918174][  T619]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.918177][  T619]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.918179][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.918181][  T619]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   52.918184][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   52.918188][  T619]  _printk (kernel/printk/printk.c:2504)
[   52.918191][  T619]  ? snapshot_read.cold (user.c:?)
[   52.918193][  T619]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.918196][  T619]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.918199][  T619]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.918201][  T619]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.918204][  T619]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.918207][  T619]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.918209][  T619]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.918212][  T619]  ? netdev_notice (net/core/dev.c:13194)
[   52.918215][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.918218][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.918221][  T619]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.918225][  T619]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.918227][  T619]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.918230][  T619]  ? 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))
[   52.918237][  T619]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.918239][  T619]  ? __kernel_text_address (kernel/extable.c:79)
[   52.918243][  T619]  ? write_profile (profile.c:?)
[   52.918247][  T619]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.918252][  T619]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.918257][  T619]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.918259][  T619]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.918261][  T619]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.918263][  T619]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.918267][  T619]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.918269][  T619]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.918271][  T619]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.918274][  T619]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.918277][  T619]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.918279][  T619]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.918282][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.918284][  T619]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   52.918287][  T619]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   52.918292][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.918295][  T619]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.918297][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.918299][  T619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.918301][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.918302][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.918304][  T619]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.918307][  T619]  ? __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)
[   52.918310][  T619]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.918313][  T619]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.918316][  T619]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.918318][  T619]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.918325][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.918330][  T619]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.918336][  T619]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.918338][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.918343][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.918345][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.918347][  T619]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.918349][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.918353][  T619]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.918356][  T619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.918359][  T619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.918360][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.918365][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.918367][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.918371][  T619]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.918373][  T619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.918376][  T619]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.918382][  T619]  ? 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))
[   52.918384][  T619]  ? 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))
[   52.918388][  T619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.918397][  T619]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.918400][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   52.918404][  T619]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.918408][  T619]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.918410][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.918413][  T619]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.918417][  T619]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.918421][  T619]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.918424][  T619]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.918426][  T619]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.918428][  T619]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   52.918436][  T619]  ___sys_sendmsg (net/socket.c:2767)
[   52.918438][  T619]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.918455][  T619]  __sys_sendmsg (net/socket.c:2799)
[   52.918459][  T619]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.918465][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.918469][  T619]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.918471][  T619]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.918475][  T619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.918477][  T619] RIP: 0033:0x7f75711d254e
[   52.918481][  T619] 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
[   52.918483][  T619] RSP: 002b:00007ffe0ee16a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.918486][  T619] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f75711d254e
[   52.918487][  T619] RDX: 0000000000000000 RSI: 00007ffe0ee16b10 RDI: 0000000000000005
[   52.918489][  T619] RBP: 00007ffe0ee16a70 R08: 0000000000000000 R09: 0000000000000000
[   52.918489][  T619] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913938
[   52.918490][  T619] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ee171e0
| [   54.083182][  T629] softirqs last disabled at (22336): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.083185][  T629] Preemption disabled at:
| [   54.083185][  T629] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.083195][  T629] Tainted: [W]=WARN
[   54.083196][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.083198][  T629] Call Trace:
[   54.083199][  T629]  <TASK>
[   54.083201][  T629]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.083206][  T629]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.083208][  T629]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.083213][  T629]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.083216][  T629]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.083221][  T629]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.083224][  T629]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.083230][  T629]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.083234][  T629]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.083237][  T629]  put_chars (drivers/char/virtio_console.c:1176)
[   54.083240][  T629]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.083244][  T629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.083248][  T629]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.083253][  T629]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.083256][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.083258][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.083263][  T629]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.083267][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.083269][  T629]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.083274][  T629]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.083277][  T629]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.083279][  T629]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   54.083281][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.083283][  T629]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.083288][  T629]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.083292][  T629]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.083293][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.083299][  T629]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.083301][  T629]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.083303][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.083305][  T629]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.083309][  T629]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.083311][  T629]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.083314][  T629]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.083318][  T629]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.083320][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.083322][  T629]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   54.083324][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   54.083328][  T629]  _printk (kernel/printk/printk.c:2504)
[   54.083332][  T629]  ? snapshot_read.cold (user.c:?)
[   54.083334][  T629]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.083337][  T629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.083339][  T629]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.083342][  T629]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.083345][  T629]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.083348][  T629]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.083350][  T629]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.083353][  T629]  ? netdev_notice (net/core/dev.c:13194)
[   54.083356][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.083359][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.083362][  T629]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.083366][  T629]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.083368][  T629]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.083371][  T629]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   54.083377][  T629]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.083380][  T629]  ? __kernel_text_address (kernel/extable.c:79)
[   54.083383][  T629]  ? write_profile (profile.c:?)
[   54.083387][  T629]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.083393][  T629]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.083402][  T629]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.083404][  T629]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.083406][  T629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.083408][  T629]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.083411][  T629]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.083414][  T629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.083416][  T629]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.083419][  T629]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.083422][  T629]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.083424][  T629]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.083427][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.083429][  T629]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   54.083432][  T629]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   54.083437][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.083439][  T629]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.083442][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.083444][  T629]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.083446][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.083447][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.083449][  T629]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.083452][  T629]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   54.083454][  T629]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.083456][  T629]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.083460][  T629]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.083462][  T629]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.083468][  T629]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.083473][  T629]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.083479][  T629]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.083480][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.083485][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.083488][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.083490][  T629]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.083492][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.083496][  T629]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.083498][  T629]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.083501][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.083503][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.083508][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.083510][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.083513][  T629]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.083515][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.083518][  T629]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.083525][  T629]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.083526][  T629]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.083531][  T629]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.083535][  T629]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.083537][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   54.083542][  T629]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.083546][  T629]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.083547][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.083550][  T629]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.083554][  T629]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.083558][  T629]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   54.083561][  T629]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.083563][  T629]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   54.083565][  T629]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   54.083572][  T629]  ___sys_sendmsg (net/socket.c:2767)
[   54.083575][  T629]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.083592][  T629]  __sys_sendmsg (net/socket.c:2799)
[   54.083596][  T629]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.083602][  T629]  ? 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)
[   54.083605][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.083608][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.083610][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.083614][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.083616][  T629] RIP: 0033:0x7f8d9e21b54e
[   54.083620][  T629] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.083622][  T629] RSP: 002b:00007ffe0e8da580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.083625][  T629] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8d9e21b54e
[   54.083626][  T629] RDX: 0000000000000000 RSI: 00007ffe0e8da630 RDI: 0000000000000005
[   54.083627][  T629] RBP: 00007ffe0e8da590 R08: 0000000000000000 R09: 0000000000000000
[   54.083628][  T629] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913939
[   54.083629][  T629] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0e8dad00
| [   55.168080][  T639] softirqs last disabled at (20156): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   55.168083][  T639] Preemption disabled at:
| [   55.168083][  T639] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.168092][  T639] Tainted: [W]=WARN
[   55.168093][  T639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.168095][  T639] Call Trace:
[   55.168097][  T639]  <TASK>
[   55.168098][  T639]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.168103][  T639]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.168105][  T639]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.168110][  T639]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.168113][  T639]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.168119][  T639]  __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))
[   55.168121][  T639]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.168128][  T639]  ? 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)
[   55.168131][  T639]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.168134][  T639]  put_chars (drivers/char/virtio_console.c:1176)
[   55.168137][  T639]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.168141][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.168145][  T639]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.168150][  T639]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.168153][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.168155][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.168160][  T639]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.168164][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.168166][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.168171][  T639]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.168174][  T639]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.168176][  T639]  ? 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))
[   55.168179][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.168180][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.168185][  T639]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.168189][  T639]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.168190][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.168196][  T639]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.168199][  T639]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.168200][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.168202][  T639]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.168206][  T639]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.168208][  T639]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.168211][  T639]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.168215][  T639]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.168217][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.168219][  T639]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   55.168221][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   55.168225][  T639]  _printk (kernel/printk/printk.c:2504)
[   55.168229][  T639]  ? snapshot_read.cold (user.c:?)
[   55.168231][  T639]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.168234][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.168236][  T639]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.168238][  T639]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.168242][  T639]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.168244][  T639]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.168247][  T639]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.168249][  T639]  ? netdev_notice (net/core/dev.c:13194)
[   55.168252][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.168255][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.168258][  T639]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.168262][  T639]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.168264][  T639]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   55.168268][  T639]  ? 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))
[   55.168274][  T639]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   55.168276][  T639]  ? __kernel_text_address (kernel/extable.c:79)
[   55.168280][  T639]  ? write_profile (profile.c:?)
[   55.168284][  T639]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   55.168289][  T639]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.168294][  T639]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.168296][  T639]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.168298][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.168300][  T639]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.168304][  T639]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.168306][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.168308][  T639]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.168311][  T639]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.168314][  T639]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.168315][  T639]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.168319][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.168321][  T639]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   55.168324][  T639]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   55.168329][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.168331][  T639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.168334][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.168336][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.168338][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.168339][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.168341][  T639]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.168344][  T639]  ? __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)
[   55.168347][  T639]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.168349][  T639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.168353][  T639]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.168355][  T639]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.168361][  T639]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.168367][  T639]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.168373][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.168375][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.168380][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.168382][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.168384][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.168386][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.168390][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.168392][  T639]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.168396][  T639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.168397][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.168408][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.168410][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.168414][  T639]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.168415][  T639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.168418][  T639]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.168425][  T639]  ? 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))
[   55.168426][  T639]  ? 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))
[   55.168431][  T639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.168435][  T639]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.168438][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   55.168442][  T639]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.168446][  T639]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.168447][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.168450][  T639]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.168454][  T639]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.168458][  T639]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.168461][  T639]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.168463][  T639]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.168465][  T639]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   55.168472][  T639]  ___sys_sendmsg (net/socket.c:2767)
[   55.168475][  T639]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.168491][  T639]  __sys_sendmsg (net/socket.c:2799)
[   55.168495][  T639]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.168501][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.168504][  T639]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.168507][  T639]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.168510][  T639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.168512][  T639] RIP: 0033:0x7f0d0264854e
[   55.168517][  T639] 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
[   55.168519][  T639] RSP: 002b:00007fff9a1efdf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.168521][  T639] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d0264854e
[   55.168523][  T639] RDX: 0000000000000000 RSI: 00007fff9a1efea0 RDI: 0000000000000005
[   55.168524][  T639] RBP: 00007fff9a1efe00 R08: 0000000000000000 R09: 0000000000000000
[   55.168524][  T639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91393a
[   55.168525][  T639] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9a1f0570
| [   56.194061][  T649] softirqs last disabled at (19962): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   56.194064][  T649] Preemption disabled at:
| [   56.194064][  T649] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.194073][  T649] Tainted: [W]=WARN
[   56.194074][  T649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.194076][  T649] Call Trace:
[   56.194078][  T649]  <TASK>
[   56.194079][  T649]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.194084][  T649]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.194086][  T649]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.194091][  T649]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.194094][  T649]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.194100][  T649]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.194102][  T649]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.194108][  T649]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.194111][  T649]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.194115][  T649]  put_chars (drivers/char/virtio_console.c:1176)
[   56.194118][  T649]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.194122][  T649]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.194125][  T649]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.194130][  T649]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.194134][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.194136][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.194141][  T649]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.194144][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.194146][  T649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.194151][  T649]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.194154][  T649]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.194156][  T649]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   56.194159][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.194160][  T649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.194165][  T649]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.194169][  T649]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.194170][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.194176][  T649]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.194178][  T649]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.194180][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.194181][  T649]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.194185][  T649]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.194187][  T649]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.194191][  T649]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.194194][  T649]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.194196][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.194198][  T649]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   56.194200][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   56.194204][  T649]  _printk (kernel/printk/printk.c:2504)
[   56.194208][  T649]  ? snapshot_read.cold (user.c:?)
[   56.194210][  T649]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.194213][  T649]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.194215][  T649]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.194217][  T649]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.194220][  T649]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.194223][  T649]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.194225][  T649]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.194228][  T649]  ? netdev_notice (net/core/dev.c:13194)
[   56.194231][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.194234][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.194237][  T649]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.194241][  T649]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.194243][  T649]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.194246][  T649]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   56.194253][  T649]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.194255][  T649]  ? __kernel_text_address (kernel/extable.c:79)
[   56.194258][  T649]  ? write_profile (profile.c:?)
[   56.194262][  T649]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.194268][  T649]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.194272][  T649]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.194274][  T649]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.194276][  T649]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.194278][  T649]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.194282][  T649]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.194284][  T649]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.194286][  T649]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.194289][  T649]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.194292][  T649]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.194293][  T649]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.194296][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.194298][  T649]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   56.194302][  T649]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   56.194307][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.194309][  T649]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.194312][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.194314][  T649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.194316][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.194317][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.194319][  T649]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.194321][  T649]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   56.194324][  T649]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.194327][  T649]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.194330][  T649]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.194332][  T649]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.194338][  T649]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.194344][  T649]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.194350][  T649]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.194352][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.194357][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.194359][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.194361][  T649]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.194363][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.194367][  T649]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.194369][  T649]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.194372][  T649]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.194374][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.194379][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.194381][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.194385][  T649]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.194386][  T649]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.194389][  T649]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.194396][  T649]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.194397][  T649]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.194402][  T649]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.194410][  T649]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.194413][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   56.194418][  T649]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.194422][  T649]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.194423][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.194427][  T649]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.194430][  T649]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.194435][  T649]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.194437][  T649]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.194439][  T649]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.194441][  T649]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   56.194449][  T649]  ___sys_sendmsg (net/socket.c:2767)
[   56.194452][  T649]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.194468][  T649]  __sys_sendmsg (net/socket.c:2799)
[   56.194472][  T649]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.194478][  T649]  ? 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)
[   56.194482][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.194485][  T649]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.194488][  T649]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.194491][  T649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.194494][  T649] RIP: 0033:0x7fe33d37f54e
[   56.194498][  T649] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.194500][  T649] RSP: 002b:00007ffffe77d610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.194503][  T649] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe33d37f54e
[   56.194504][  T649] RDX: 0000000000000000 RSI: 00007ffffe77d6c0 RDI: 0000000000000005
[   56.194505][  T649] RBP: 00007ffffe77d620 R08: 0000000000000000 R09: 0000000000000000
[   56.194506][  T649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91393b
[   56.194507][  T649] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffe77dd90
| [   57.311013][  T659] softirqs last disabled at (20240): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   57.311015][  T659] Preemption disabled at:
| [   57.311016][  T659] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.311028][  T659] Tainted: [W]=WARN
[   57.311029][  T659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.311031][  T659] Call Trace:
[   57.311032][  T659]  <TASK>
[   57.311034][  T659]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.311039][  T659]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.311041][  T659]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.311046][  T659]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.311049][  T659]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.311054][  T659]  __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))
[   57.311057][  T659]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.311063][  T659]  ? 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)
[   57.311066][  T659]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.311069][  T659]  put_chars (drivers/char/virtio_console.c:1176)
[   57.311072][  T659]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.311076][  T659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.311080][  T659]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.311085][  T659]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.311088][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.311090][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.311095][  T659]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.311099][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.311101][  T659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.311106][  T659]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.311109][  T659]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.311111][  T659]  ? 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))
[   57.311113][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.311115][  T659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.311120][  T659]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.311124][  T659]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.311125][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.311131][  T659]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.311133][  T659]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.311135][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.311137][  T659]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.311141][  T659]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.311143][  T659]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.311146][  T659]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.311149][  T659]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.311151][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.311154][  T659]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   57.311156][  T659]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   57.311160][  T659]  _printk (kernel/printk/printk.c:2504)
[   57.311163][  T659]  ? snapshot_read.cold (user.c:?)
[   57.311165][  T659]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   57.311168][  T659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.311170][  T659]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.311173][  T659]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   57.311176][  T659]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   57.311179][  T659]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.311181][  T659]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   57.311184][  T659]  ? netdev_notice (net/core/dev.c:13194)
[   57.311187][  T659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.311190][  T659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.311192][  T659]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.311196][  T659]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.311198][  T659]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   57.311202][  T659]  ? 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))
[   57.311208][  T659]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   57.311211][  T659]  ? __kernel_text_address (kernel/extable.c:79)
[   57.311214][  T659]  ? write_profile (profile.c:?)
[   57.311218][  T659]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.311223][  T659]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.311228][  T659]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   57.311230][  T659]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   57.311231][  T659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.311233][  T659]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.311237][  T659]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   57.311239][  T659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.311241][  T659]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.311244][  T659]  ? kasan_save_stack (mm/kasan/common.c:58)
[   57.311247][  T659]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.311249][  T659]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.311252][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.311254][  T659]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   57.311257][  T659]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   57.311262][  T659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.311264][  T659]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.311267][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.311269][  T659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.311271][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.311272][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.311274][  T659]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   57.311276][  T659]  ? __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)
[   57.311280][  T659]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.311282][  T659]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.311286][  T659]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   57.311288][  T659]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.311294][  T659]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   57.311299][  T659]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.311304][  T659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.311306][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.311311][  T659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.311313][  T659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.311316][  T659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.311317][  T659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.311322][  T659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.311324][  T659]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.311327][  T659]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.311328][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.311333][  T659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.311335][  T659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.311339][  T659]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.311341][  T659]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.311344][  T659]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.311350][  T659]  ? 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))
[   57.311352][  T659]  ? 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))
[   57.311356][  T659]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.311360][  T659]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.311363][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   57.311367][  T659]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.311371][  T659]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.311373][  T659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.311376][  T659]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.311380][  T659]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.311384][  T659]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.311386][  T659]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.311389][  T659]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.311390][  T659]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   57.311398][  T659]  ___sys_sendmsg (net/socket.c:2767)
[   57.311401][  T659]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.311423][  T659]  __sys_sendmsg (net/socket.c:2799)
[   57.311427][  T659]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.311433][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.311436][  T659]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.311439][  T659]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.311443][  T659]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.311445][  T659] RIP: 0033:0x7ff8020e454e
[   57.311449][  T659] 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
[   57.311451][  T659] RSP: 002b:00007ffc69a4df90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.311453][  T659] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff8020e454e
[   57.311455][  T659] RDX: 0000000000000000 RSI: 00007ffc69a4e040 RDI: 0000000000000005
[   57.311456][  T659] RBP: 00007ffc69a4dfa0 R08: 0000000000000000 R09: 0000000000000000
[   57.311457][  T659] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91393c
[   57.311458][  T659] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc69a4e710
| [   58.438002][  T669] softirqs last disabled at (22254): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   58.438005][  T669] Preemption disabled at:
| [   58.438006][  T669] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.438015][  T669] Tainted: [W]=WARN
[   58.438016][  T669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.438018][  T669] Call Trace:
[   58.438019][  T669]  <TASK>
[   58.438021][  T669]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.438028][  T669]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.438030][  T669]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.438035][  T669]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.438038][  T669]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.438043][  T669]  __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))
[   58.438046][  T669]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.438052][  T669]  ? 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)
[   58.438055][  T669]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.438059][  T669]  put_chars (drivers/char/virtio_console.c:1176)
[   58.438062][  T669]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.438066][  T669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.438070][  T669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.438075][  T669]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.438078][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.438080][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.438085][  T669]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.438089][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.438091][  T669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.438096][  T669]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.438100][  T669]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.438101][  T669]  ? 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))
[   58.438104][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.438106][  T669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.438110][  T669]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.438114][  T669]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.438116][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.438122][  T669]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.438124][  T669]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.438126][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.438128][  T669]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.438132][  T669]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.438134][  T669]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.438137][  T669]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.438140][  T669]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.438142][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.438145][  T669]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   58.438147][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   58.438151][  T669]  _printk (kernel/printk/printk.c:2504)
[   58.438155][  T669]  ? snapshot_read.cold (user.c:?)
[   58.438156][  T669]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.438159][  T669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.438162][  T669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.438164][  T669]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.438168][  T669]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.438170][  T669]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.438173][  T669]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.438175][  T669]  ? netdev_notice (net/core/dev.c:13194)
[   58.438178][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.438181][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.438184][  T669]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.438188][  T669]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.438190][  T669]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   58.438194][  T669]  ? 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))
[   58.438200][  T669]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   58.438203][  T669]  ? __kernel_text_address (kernel/extable.c:79)
[   58.438206][  T669]  ? write_profile (profile.c:?)
[   58.438210][  T669]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   58.438215][  T669]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.438220][  T669]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.438222][  T669]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.438224][  T669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.438226][  T669]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.438230][  T669]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.438232][  T669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.438234][  T669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.438237][  T669]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.438240][  T669]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.438242][  T669]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.438245][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.438247][  T669]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   58.438250][  T669]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   58.438255][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.438257][  T669]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.438260][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.438262][  T669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.438264][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.438265][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.438267][  T669]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.438270][  T669]  ? __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)
[   58.438273][  T669]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.438276][  T669]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.438279][  T669]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.438281][  T669]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.438287][  T669]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.438293][  T669]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.438299][  T669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.438301][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.438306][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.438308][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.438310][  T669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.438312][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.438316][  T669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.438318][  T669]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.438322][  T669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.438323][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.438328][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.438330][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.438334][  T669]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.438336][  T669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.438339][  T669]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.438346][  T669]  ? 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))
[   58.438347][  T669]  ? 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))
[   58.438352][  T669]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.438356][  T669]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.438359][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   58.438363][  T669]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.438367][  T669]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.438369][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.438372][  T669]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.438376][  T669]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.438380][  T669]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.438383][  T669]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.438385][  T669]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.438387][  T669]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   58.438395][  T669]  ___sys_sendmsg (net/socket.c:2767)
[   58.438398][  T669]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.438421][  T669]  __sys_sendmsg (net/socket.c:2799)
[   58.438425][  T669]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.438432][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.438435][  T669]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.438438][  T669]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.438441][  T669]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.438444][  T669] RIP: 0033:0x7fcfb109854e
[   58.438448][  T669] 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
[   58.438450][  T669] RSP: 002b:00007ffe527a9c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.438453][  T669] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcfb109854e
[   58.438454][  T669] RDX: 0000000000000000 RSI: 00007ffe527a9cd0 RDI: 0000000000000005
[   58.438455][  T669] RBP: 00007ffe527a9c30 R08: 0000000000000000 R09: 0000000000000000
[   58.438456][  T669] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91393d
[   58.438457][  T669] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe527aa3a0
| [   59.452299][  T677] softirqs last disabled at (22284): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   59.452302][  T677] Preemption disabled at:
| [   59.452302][  T677] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.452311][  T677] Tainted: [W]=WARN
[   59.452312][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.452314][  T677] Call Trace:
[   59.452316][  T677]  <TASK>
[   59.452317][  T677]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.452323][  T677]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.452325][  T677]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.452329][  T677]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.452333][  T677]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.452338][  T677]  __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))
[   59.452341][  T677]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.452348][  T677]  ? 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)
[   59.452351][  T677]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.452354][  T677]  put_chars (drivers/char/virtio_console.c:1176)
[   59.452357][  T677]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.452361][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.452365][  T677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.452370][  T677]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.452374][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.452376][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.452381][  T677]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.452384][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.452387][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.452391][  T677]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.452395][  T677]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.452396][  T677]  ? 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))
[   59.452399][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.452401][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.452405][  T677]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.452410][  T677]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.452411][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.452422][  T677]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.452424][  T677]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.452426][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.452428][  T677]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.452432][  T677]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.452434][  T677]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.452437][  T677]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.452440][  T677]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.452443][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.452445][  T677]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   59.452447][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   59.452451][  T677]  _printk (kernel/printk/printk.c:2504)
[   59.452454][  T677]  ? snapshot_read.cold (user.c:?)
[   59.452456][  T677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.452459][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.452462][  T677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.452464][  T677]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.452468][  T677]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.452470][  T677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.452473][  T677]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.452475][  T677]  ? netdev_notice (net/core/dev.c:13194)
[   59.452478][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.452481][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.452484][  T677]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.452488][  T677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.452490][  T677]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   59.452493][  T677]  ? 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))
[   59.452500][  T677]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   59.452503][  T677]  ? __kernel_text_address (kernel/extable.c:79)
[   59.452506][  T677]  ? write_profile (profile.c:?)
[   59.452510][  T677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   59.452515][  T677]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.452520][  T677]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.452523][  T677]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.452524][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.452526][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.452530][  T677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.452532][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.452534][  T677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.452537][  T677]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.452540][  T677]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.452542][  T677]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.452544][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.452547][  T677]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   59.452549][  T677]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   59.452555][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.452557][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.452559][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.452561][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.452563][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.452565][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.452566][  T677]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.452569][  T677]  ? __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)
[   59.452572][  T677]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.452575][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.452578][  T677]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.452580][  T677]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.452586][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.452592][  T677]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.452598][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.452600][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.452605][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.452607][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.452609][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.452611][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.452615][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.452617][  T677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.452621][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.452622][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.452627][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.452629][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.452633][  T677]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.452635][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.452637][  T677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.452644][  T677]  ? 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))
[   59.452645][  T677]  ? 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))
[   59.452650][  T677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.452654][  T677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.452657][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   59.452661][  T677]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.452665][  T677]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.452666][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.452670][  T677]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.452673][  T677]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.452678][  T677]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.452680][  T677]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.452682][  T677]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.452684][  T677]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   59.452692][  T677]  ___sys_sendmsg (net/socket.c:2767)
[   59.452695][  T677]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.452711][  T677]  __sys_sendmsg (net/socket.c:2799)
[   59.452715][  T677]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.452721][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.452725][  T677]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.452727][  T677]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.452731][  T677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.452733][  T677] RIP: 0033:0x7f4a61f8e54e
[   59.452738][  T677] 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
[   59.452739][  T677] RSP: 002b:00007ffdfa399fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.452742][  T677] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4a61f8e54e
[   59.452744][  T677] RDX: 0000000000000000 RSI: 00007ffdfa39a060 RDI: 0000000000000005
[   59.452744][  T677] RBP: 00007ffdfa399fc0 R08: 0000000000000000 R09: 0000000000000000
[   59.452745][  T677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91393e


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