======================================
| [    9.549035][   T82] softirqs last disabled at (403334): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.549038][   T82] Preemption disabled at:
| [    9.549039][   T82] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.549051][   T82] Tainted: [W]=WARN
[    9.549052][   T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.549054][   T82] Call Trace:
[    9.549056][   T82]  <TASK>
[    9.549058][   T82]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.549066][   T82]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.549069][   T82]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.549075][   T82]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.549080][   T82]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.549087][   T82]  __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))
[    9.549091][   T82]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.549099][   T82]  ? 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)
[    9.549102][   T82]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.549107][   T82]  put_chars (drivers/char/virtio_console.c:1176)
[    9.549111][   T82]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.549117][   T82]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.549126][   T82]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.549129][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549137][   T82]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.549142][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.549152][   T82]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.549158][   T82]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.549165][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.549168][   T82]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.549175][   T82]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.549181][   T82]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.549183][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549192][   T82]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.549196][   T82]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.549199][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.549202][   T82]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.549208][   T82]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.549210][   T82]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.549215][   T82]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.549220][   T82]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.549224][   T82]  ? write_profile (profile.c:?)
[    9.549228][   T82]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.549239][   T82]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.549246][   T82]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.549253][   T82]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    9.549263][   T82]  dev_printk_emit (drivers/base/core.c:5011)
[    9.549267][   T82]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.549274][   T82]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.549283][   T82]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.549292][   T82]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.549295][   T82]  ? netdev_notice (net/core/dev.c:13194)
[    9.549300][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.549306][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.549309][   T82]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.549315][   T82]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.549319][   T82]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.549323][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549326][   T82]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[    9.549330][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    9.549335][   T82]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.549339][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.549344][   T82]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.549353][   T82]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.549358][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549362][   T82]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.549365][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.549367][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.549371][   T82]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.549374][   T82]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.549382][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549390][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.549392][   T82]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.549397][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.549401][   T82]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.549403][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.549405][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.549409][   T82]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.549413][   T82]  ? __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)
[    9.549417][   T82]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.549419][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549422][   T82]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.549426][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.549431][   T82]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.549433][   T82]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.549442][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.549448][   T82]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.549461][   T82]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.549466][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.549469][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549511][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.549514][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.549519][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.549522][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.549525][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549533][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.549536][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.549543][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.549547][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.549553][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.549557][   T82]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.549563][   T82]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.549565][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549573][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.549576][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.549583][   T82]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.549587][   T82]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.549593][   T82]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.549605][   T82]  ? 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))
[    9.549607][   T82]  ? 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))
[    9.549616][   T82]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.549623][   T82]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.549627][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.549635][   T82]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.549642][   T82]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.549649][   T82]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.549653][   T82]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.549660][   T82]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    9.549665][   T82]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.549685][   T82]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.549695][   T82]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.549698][   T82]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.549703][   T82]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.549706][   T82]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.549708][   T82]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.549711][   T82]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.549715][   T82]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.549719][   T82] RIP: 0033:0x7f2e0e4a954e
[    9.549724][   T82] 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
[    9.549726][   T82] RSP: 002b:00007ffd7d84d530 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.549731][   T82] RAX: ffffffffffffffda RBX: 0000563afcfe1f50 RCX: 00007f2e0e4a954e
[    9.549733][   T82] RDX: 0000000000000030 RSI: 0000563afcfd20f0 RDI: 0000000000000011
[    9.549734][   T82] RBP: 00007ffd7d84d540 R08: 00007ffd7d84d590 R09: 0000000000000080
[    9.549735][   T82] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563afd133e90
[    9.549737][   T82] R13: 00007ffd7d84d674 R14: 0000000000000000 R15: 0000000000000000
| [   11.552667][   T82] softirqs last disabled at (627292): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.552669][   T82] Preemption disabled at:
| [   11.552670][   T82] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.552679][   T82] Tainted: [W]=WARN
[   11.552680][   T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.552681][   T82] Call Trace:
[   11.552683][   T82]  <TASK>
[   11.552684][   T82]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.552690][   T82]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.552692][   T82]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.552697][   T82]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.552700][   T82]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.552705][   T82]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.552707][   T82]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.552712][   T82]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.552715][   T82]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.552718][   T82]  put_chars (drivers/char/virtio_console.c:1176)
[   11.552721][   T82]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.552722][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.552727][   T82]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.552729][   T82]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.552734][   T82]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.552736][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552741][   T82]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.552744][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.552749][   T82]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.552753][   T82]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.552757][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.552759][   T82]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.552763][   T82]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.552767][   T82]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.552769][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552774][   T82]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.552776][   T82]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.552778][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.552780][   T82]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.552783][   T82]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.552785][   T82]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.552788][   T82]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.552792][   T82]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.552794][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552795][   T82]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   11.552802][   T82]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.552807][   T82]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.552813][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.552817][   T82]  dev_printk_emit (drivers/base/core.c:5011)
[   11.552819][   T82]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.552821][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.552824][   T82]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.552826][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552827][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552829][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.552831][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.552835][   T82]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.552840][   T82]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.552842][   T82]  ? netdev_notice (net/core/dev.c:13194)
[   11.552845][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.552848][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.552850][   T82]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.552853][   T82]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.552856][   T82]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.552859][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552861][   T82]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   11.552863][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   11.552866][   T82]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.552868][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.552871][   T82]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.552877][   T82]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.552880][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552883][   T82]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.552885][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.552886][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.552888][   T82]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.552890][   T82]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.552894][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552898][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.552900][   T82]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.552903][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.552905][   T82]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.552906][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.552908][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.552910][   T82]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.552912][   T82]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.552915][   T82]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.552916][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552918][   T82]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.552921][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.552923][   T82]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.552925][   T82]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.552931][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.552934][   T82]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.552942][   T82]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.552946][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.552948][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552971][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.552972][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.552975][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.552977][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.552982][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.552987][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.552988][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.552991][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.552993][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.552996][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.552998][   T82]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.553002][   T82]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.553003][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.553008][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.553009][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.553013][   T82]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.553017][   T82]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.553020][   T82]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.553026][   T82]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.553028][   T82]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.553033][   T82]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.553037][   T82]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.553039][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.553042][   T82]  ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123)
[   11.553045][   T82]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.553049][   T82]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.553053][   T82]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.553056][   T82]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.553060][   T82]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   11.553064][   T82]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.553074][   T82]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   11.553080][   T82]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.553082][   T82]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.553085][   T82]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.553087][   T82]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.553089][   T82]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.553090][   T82]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.553093][   T82]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.553095][   T82] RIP: 0033:0x7f2e0e4a954e
[   11.553099][   T82] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.553100][   T82] RSP: 002b:00007ffd7d84d530 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.553103][   T82] RAX: ffffffffffffffda RBX: 0000563afcfe1f50 RCX: 00007f2e0e4a954e
[   11.553105][   T82] RDX: 0000000000000030 RSI: 0000563afcfd1ed0 RDI: 0000000000000011
[   11.553105][   T82] RBP: 00007ffd7d84d540 R08: 00007ffd7d84d590 R09: 0000000000000080
[   11.553106][   T82] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563afd136510


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