======================================
| [   11.070310][  T200] softirqs last disabled at (37010): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.070312][  T200] Preemption disabled at:
| [   11.070313][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.070321][  T200] Tainted: [W]=WARN
[   11.070322][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.070324][  T200] Call Trace:
[   11.070326][  T200]  <TASK>
[   11.070327][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.070333][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.070335][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.070340][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.070344][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.070349][  T200]  __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))
[   11.070351][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.070357][  T200]  ? 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)
[   11.070360][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.070364][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   11.070366][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.070369][  T200]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.070374][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.070378][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070383][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.070387][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.070392][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.070396][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.070398][  T200]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.070401][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.070403][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.070407][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.070411][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.070413][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070418][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.070421][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.070423][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.070425][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.070429][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.070430][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.070433][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.070436][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.070437][  T200]  ? __kernel_text_address (kernel/extable.c:79)
[   11.070440][  T200]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.070444][  T200]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   11.070449][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.070454][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.070462][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   11.070465][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.070469][  T200]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.070474][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.070480][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.070483][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   11.070485][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.070489][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.070491][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.070495][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.070497][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.070500][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.070503][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.070506][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.070509][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.070515][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.070517][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070520][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.070521][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.070523][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.070525][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.070528][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.070533][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070535][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.070536][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   11.070540][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.070542][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.070545][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.070546][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.070548][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.070549][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.070551][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.070553][  T200]  ? __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)
[   11.070556][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.070558][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.070559][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.070563][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.070564][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.070568][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070571][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.070578][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.070581][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.070582][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070606][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.070607][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.070610][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.070612][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.070614][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070619][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.070621][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.070623][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.070624][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.070628][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.070630][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.070633][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.070635][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070639][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.070641][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.070644][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.070648][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.070651][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.070657][  T200]  ? 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))
[   11.070659][  T200]  ? 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))
[   11.070664][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.070668][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.070671][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.070675][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.070679][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.070681][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.070683][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.070688][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.070691][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   11.070695][  T200]  __sys_sendto (net/socket.c:2281)
[   11.070698][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.070709][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   11.070714][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.070716][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.070720][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.070722][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.070725][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.070727][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.070729][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.070731][  T200] RIP: 0033:0x7f7f6928854e
[   11.070735][  T200] 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
[   11.070737][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.070739][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   11.070741][  T200] RDX: 0000000000000030 RSI: 00005565223e6c20 RDI: 0000000000000012
[   11.070741][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   11.070742][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00005565223f0830
[   11.070743][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   12.825543][  T200] softirqs last disabled at (354094): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.825546][  T200] Preemption disabled at:
| [   12.825547][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.825555][  T200] Tainted: [W]=WARN
[   12.825556][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.825558][  T200] Call Trace:
[   12.825560][  T200]  <TASK>
[   12.825561][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.825568][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.825569][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.825574][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.825578][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.825583][  T200]  __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))
[   12.825585][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.825592][  T200]  ? 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)
[   12.825595][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.825599][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   12.825601][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.825602][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.825606][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.825609][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.825614][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.825618][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825624][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.825627][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825632][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.825636][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.825638][  T200]  ? 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))
[   12.825642][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825643][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.825648][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.825652][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.825654][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825660][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.825663][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.825664][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825666][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.825670][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.825672][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.825675][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.825678][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.825679][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.825682][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.825687][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.825693][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.825698][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.825700][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825704][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   12.825707][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.825710][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.825712][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825714][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825716][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.825717][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.825721][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.825728][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.825731][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   12.825734][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825737][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.825739][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.825743][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.825745][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.825748][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.825752][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.825755][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825758][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.825764][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.825767][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825770][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.825771][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.825773][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.825775][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.825777][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.825782][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825784][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.825786][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.825789][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.825792][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.825794][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825796][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.825798][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825799][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825800][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.825803][  T200]  ? __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)
[   12.825805][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.825808][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.825809][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.825812][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.825814][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.825818][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825821][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825833][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.825837][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.825838][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825862][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.825864][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825867][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.825869][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.825871][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825876][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.825878][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825880][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.825888][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.825892][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.825894][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.825898][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.825899][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825904][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.825906][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825909][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.825912][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.825915][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.825922][  T200]  ? 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))
[   12.825924][  T200]  ? 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))
[   12.825929][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.825933][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.825937][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825940][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.825944][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.825946][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825949][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.825954][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.825957][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.825961][  T200]  __sys_sendto (net/socket.c:2281)
[   12.825964][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.825975][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.825981][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.825983][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.825987][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.825988][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.825991][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.825993][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.825996][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.825998][  T200] RIP: 0033:0x7f7f6928854e
[   12.826002][  T200] 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
[   12.826004][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.826006][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   12.826008][  T200] RDX: 0000000000000030 RSI: 0000556522281390 RDI: 0000000000000012
[   12.826008][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   12.826009][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00005565223f1fe0
[   12.826010][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   14.115278][  T200] softirqs last disabled at (665426): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.115281][  T200] Preemption disabled at:
| [   14.115282][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.115290][  T200] Tainted: [W]=WARN
[   14.115291][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.115293][  T200] Call Trace:
[   14.115294][  T200]  <TASK>
[   14.115296][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.115302][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.115303][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.115308][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.115312][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.115316][  T200]  __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))
[   14.115318][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.115325][  T200]  ? 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)
[   14.115328][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.115332][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   14.115334][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.115335][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.115339][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.115342][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.115347][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.115351][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115356][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.115359][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.115364][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.115368][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.115370][  T200]  ? 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))
[   14.115373][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.115374][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.115378][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.115383][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.115384][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115390][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.115393][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.115395][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.115396][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.115400][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.115402][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.115404][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.115408][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.115409][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.115411][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.115416][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   14.115422][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   14.115427][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.115429][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115433][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   14.115435][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   14.115438][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.115440][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115442][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115444][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.115445][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.115449][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   14.115455][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.115458][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   14.115461][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.115464][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.115466][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.115470][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.115472][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.115475][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.115479][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.115482][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.115484][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.115490][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.115493][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115496][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.115497][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.115499][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.115501][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.115506][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.115510][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115512][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.115514][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   14.115517][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.115519][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.115522][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.115524][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.115525][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.115526][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.115528][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.115530][  T200]  ? __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)
[   14.115533][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.115535][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.115537][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.115540][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.115541][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.115545][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115548][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.115555][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   14.115558][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.115560][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115582][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.115584][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.115587][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.115589][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.115591][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115595][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.115597][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.115599][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.115601][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.115604][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.115606][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.115609][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.115611][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115615][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.115617][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.115621][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.115624][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.115627][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.115633][  T200]  ? 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))
[   14.115635][  T200]  ? 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))
[   14.115640][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.115644][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.115647][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.115651][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.115655][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.115656][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.115659][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.115664][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.115667][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   14.115670][  T200]  __sys_sendto (net/socket.c:2281)
[   14.115673][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.115687][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.115689][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.115693][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.115695][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.115698][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.115700][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.115703][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.115705][  T200] RIP: 0033:0x7f7f6928854e
[   14.115709][  T200] 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
[   14.115710][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   14.115713][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   14.115714][  T200] RDX: 0000000000000030 RSI: 0000556522401630 RDI: 0000000000000012
[   14.115715][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   14.115716][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055652240f3c0
[   14.115717][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   15.295593][  T200] softirqs last disabled at (932844): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.295596][  T200] Preemption disabled at:
| [   15.295596][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.295605][  T200] Tainted: [W]=WARN
[   15.295606][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.295607][  T200] Call Trace:
[   15.295609][  T200]  <TASK>
[   15.295611][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.295617][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.295618][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.295623][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.295628][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.295632][  T200]  __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))
[   15.295634][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.295641][  T200]  ? 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)
[   15.295644][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.295647][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   15.295650][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.295651][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.295655][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.295657][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.295662][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.295666][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295671][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.295675][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.295680][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.295684][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.295686][  T200]  ? 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))
[   15.295689][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.295691][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.295695][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.295699][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.295701][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295706][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.295709][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.295711][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.295713][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.295717][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.295719][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.295722][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.295725][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.295726][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.295728][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.295734][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   15.295739][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   15.295744][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.295747][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295750][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   15.295753][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   15.295756][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.295758][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295760][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295761][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.295763][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.295767][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   15.295773][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.295776][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   15.295779][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.295782][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.295784][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.295788][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.295790][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.295793][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.295797][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.295799][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.295802][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.295808][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.295811][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295815][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.295816][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.295819][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.295822][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.295827][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.295831][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295833][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.295835][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   15.295839][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.295841][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.295843][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.295845][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.295847][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.295848][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.295850][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.295852][  T200]  ? __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)
[   15.295855][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.295857][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.295858][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.295861][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.295863][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.295866][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295870][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.295877][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   15.295880][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.295881][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295910][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.295912][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.295915][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.295917][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.295919][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295924][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.295926][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.295928][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.295929][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.295933][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.295935][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.295938][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.295940][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295944][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.295946][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.295950][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.295953][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.295956][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.295963][  T200]  ? 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))
[   15.295965][  T200]  ? 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))
[   15.295969][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.295973][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.295977][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.295981][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.295985][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.295987][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.295989][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.295994][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.295997][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   15.296001][  T200]  __sys_sendto (net/socket.c:2281)
[   15.296004][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   15.296018][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   15.296020][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.296024][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.296026][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   15.296029][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.296031][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.296033][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.296036][  T200] RIP: 0033:0x7f7f6928854e
[   15.296040][  T200] 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
[   15.296041][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   15.296044][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   15.296045][  T200] RDX: 0000000000000030 RSI: 0000556522408ff0 RDI: 0000000000000012
[   15.296046][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   15.296047][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556522432f70
[   15.296048][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   16.435497][  T358] softirqs last disabled at (15210): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.435499][  T358] Preemption disabled at:
| [   16.435500][  T358] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.435508][  T358] Tainted: [W]=WARN
[   16.435510][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.435511][  T358] Call Trace:
[   16.435513][  T358]  <TASK>
[   16.435515][  T358]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.435521][  T358]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.435523][  T358]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.435527][  T358]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.435531][  T358]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.435536][  T358]  __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))
[   16.435538][  T358]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.435544][  T358]  ? 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)
[   16.435547][  T358]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.435551][  T358]  put_chars (drivers/char/virtio_console.c:1176)
[   16.435553][  T358]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.435556][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.435559][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.435562][  T358]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.435566][  T358]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.435570][  T358]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.435572][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.435574][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.435578][  T358]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.435580][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.435584][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.435588][  T358]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.435592][  T358]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.435594][  T358]  ? 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))
[   16.435597][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.435599][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.435603][  T358]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.435607][  T358]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.435609][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.435614][  T358]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.435617][  T358]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.435619][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.435621][  T358]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   16.435624][  T358]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.435626][  T358]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.435629][  T358]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.435632][  T358]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.435634][  T358]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.435638][  T358]  _printk (kernel/printk/printk.c:2504)
[   16.435642][  T358]  ? snapshot_read.cold (user.c:?)
[   16.435645][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.435647][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.435651][  T358]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   16.435654][  T358]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   16.435659][  T358]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   16.435664][  T358]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   16.435668][  T358]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   16.435674][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.435675][  T358]  notifier_call_chain (kernel/notifier.c:85)
[   16.435680][  T358]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   16.435685][  T358]  ? netif_change_name (net/core/dev.c:1517)
[   16.435689][  T358]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.435692][  T358]  ? write_profile (profile.c:?)
[   16.435697][  T358]  netif_change_flags (net/core/dev.c:9882)
[   16.435701][  T358]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.435705][  T358]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.435707][  T358]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.435708][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.435710][  T358]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.435713][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.435715][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.435717][  T358]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.435719][  T358]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.435722][  T358]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.435723][  T358]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.435724][  T358]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.435726][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.435728][  T358]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.435731][  T358]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.435735][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.435737][  T358]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.435739][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.435741][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.435743][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.435744][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.435745][  T358]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.435748][  T358]  ? __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)
[   16.435750][  T358]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.435752][  T358]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.435755][  T358]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.435759][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.435761][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.435766][  T358]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.435772][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.435773][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.435778][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.435780][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.435782][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.435783][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.435787][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.435789][  T358]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.435792][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.435794][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.435798][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.435800][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.435803][  T358]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.435805][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.435808][  T358]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.435815][  T358]  ? 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))
[   16.435817][  T358]  ? 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))
[   16.435821][  T358]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.435828][  T358]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.435831][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.435835][  T358]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.435839][  T358]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.435842][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.435844][  T358]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.435849][  T358]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.435852][  T358]  ____sys_sendmsg (net/socket.c:2713)
[   16.435854][  T358]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.435857][  T358]  ? sock_write_iter (net/socket.c:1269)
[   16.435858][  T358]  ? move_addr_to_kernel (net/socket.c:258)
[   16.435866][  T358]  ___sys_sendmsg (net/socket.c:2767)
[   16.435868][  T358]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.435884][  T358]  __sys_sendmsg (net/socket.c:2799)
[   16.435887][  T358]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.435898][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.435901][  T358]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.435904][  T358]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.435907][  T358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.435909][  T358] RIP: 0033:0x7f27ed17354e
[   16.435913][  T358] 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
[   16.435915][  T358] RSP: 002b:00007ffe313ad750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.435917][  T358] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f27ed17354e
[   16.435919][  T358] RDX: 0000000000000000 RSI: 00007ffe313ad800 RDI: 0000000000000003
[   16.435920][  T358] RBP: 00007ffe313ad760 R08: 0000000000000000 R09: 0000000000000000
[   16.435921][  T358] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915d07
[   16.435922][  T358] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe313adec0
| [   17.458161][  T201] softirqs last disabled at (703924): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.458163][  T201] Preemption disabled at:
| [   17.458164][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.458172][  T201] Tainted: [W]=WARN
[   17.458173][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.458175][  T201] Call Trace:
[   17.458176][  T201]  <TASK>
[   17.458178][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.458184][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.458185][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.458190][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.458194][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.458199][  T201]  __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))
[   17.458201][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.458208][  T201]  ? 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)
[   17.458211][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.458214][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   17.458217][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.458218][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.458222][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.458225][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.458230][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.458234][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458239][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.458242][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.458247][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.458251][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.458253][  T201]  ? 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))
[   17.458256][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.458258][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.458262][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.458266][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.458268][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458274][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.458276][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.458278][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.458280][  T201]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   17.458284][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.458285][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.458288][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.458291][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.458293][  T201]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.458295][  T201]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.458300][  T201]  dev_vprintk_emit (drivers/base/core.c:5000)
[   17.458306][  T201]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   17.458311][  T201]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.458313][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458316][  T201]  dev_printk_emit (drivers/base/core.c:5011)
[   17.458319][  T201]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   17.458322][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.458324][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458325][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458327][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.458329][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.458333][  T201]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   17.458339][  T201]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.458342][  T201]  ? netdev_notice (net/core/dev.c:13194)
[   17.458345][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.458348][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.458350][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.458354][  T201]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.458356][  T201]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.458359][  T201]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.458362][  T201]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.458365][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.458368][  T201]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.458374][  T201]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.458376][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458379][  T201]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.458381][  T201]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.458383][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.458385][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.458386][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.458391][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458393][  T201]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.458395][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   17.458398][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.458400][  T201]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.458403][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.458405][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.458406][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.458407][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.458409][  T201]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.458411][  T201]  ? __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)
[   17.458414][  T201]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.458416][  T201]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.458418][  T201]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.458421][  T201]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.458422][  T201]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.458426][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458429][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.458437][  T201]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   17.458440][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.458441][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458465][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.458466][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.458469][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.458471][  T201]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.458473][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458478][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.458480][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.458482][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.458484][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.458487][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.458489][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.458493][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.458494][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458498][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.458500][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.458504][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.458507][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.458510][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.458517][  T201]  ? 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))
[   17.458519][  T201]  ? 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))
[   17.458523][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.458527][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.458531][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.458534][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.458538][  T201]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.458540][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.458543][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.458548][  T201]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.458551][  T201]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   17.458554][  T201]  __sys_sendto (net/socket.c:2281)
[   17.458557][  T201]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   17.458568][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   17.458574][  T201]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   17.458576][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.458580][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.458581][  T201]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   17.458584][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.458586][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.458588][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.458590][  T201] RIP: 0033:0x7f7f6928854e
[   17.458594][  T201] 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
[   17.458596][  T201] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.458599][  T201] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   17.458600][  T201] RDX: 0000000000000030 RSI: 000055652229bce0 RDI: 0000000000000014
[   17.458601][  T201] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   17.458602][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00005565223e5a10
[   17.458603][  T201] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   18.501573][  T200] softirqs last disabled at (1542088): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   18.501576][  T200] Preemption disabled at:
| [   18.501576][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.501585][  T200] Tainted: [W]=WARN
[   18.501586][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.501587][  T200] Call Trace:
[   18.501589][  T200]  <TASK>
[   18.501591][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.501596][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.501598][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.501603][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.501607][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.501612][  T200]  __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))
[   18.501614][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.501621][  T200]  ? 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)
[   18.501623][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.501627][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   18.501629][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.501631][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.501634][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.501637][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.501642][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.501646][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501651][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.501655][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.501659][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.501663][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.501665][  T200]  ? 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))
[   18.501668][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.501670][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.501674][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.501678][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.501680][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501686][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.501689][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.501690][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.501692][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   18.501696][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.501698][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.501701][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.501704][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.501705][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.501707][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   18.501712][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   18.501718][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   18.501723][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.501725][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501729][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   18.501731][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   18.501734][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.501736][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501738][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501740][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.501741][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.501745][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   18.501752][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.501754][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   18.501757][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.501760][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.501763][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.501766][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.501768][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   18.501771][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   18.501775][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   18.501778][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.501780][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   18.501786][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.501789][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501792][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.501794][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.501796][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.501797][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.501799][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.501804][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501806][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   18.501808][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   18.501811][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.501813][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   18.501816][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.501818][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.501820][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.501821][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.501822][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.501828][  T200]  ? __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)
[   18.501831][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.501833][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   18.501835][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.501838][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.501839][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.501843][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501847][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.501854][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   18.501857][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   18.501858][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501881][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.501883][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.501886][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.501887][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.501890][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501894][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.501896][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.501898][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   18.501905][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.501909][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   18.501911][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.501914][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.501915][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501920][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.501922][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.501925][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.501929][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.501931][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.501938][  T200]  ? 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))
[   18.501940][  T200]  ? 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))
[   18.501945][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.501949][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.501952][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.501956][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.501960][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.501962][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.501964][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.501969][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.501972][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   18.501976][  T200]  __sys_sendto (net/socket.c:2281)
[   18.501979][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   18.501989][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   18.501995][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   18.501997][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.502001][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.502002][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   18.502005][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.502007][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.502009][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.502011][  T200] RIP: 0033:0x7f7f6928854e
[   18.502016][  T200] 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
[   18.502017][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   18.502020][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   18.502021][  T200] RDX: 0000000000000030 RSI: 0000556522438dd0 RDI: 0000000000000012
[   18.502022][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   18.502023][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00005565224306a0
[   18.502024][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   20.230481][  T200] softirqs last disabled at (1832960): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.230484][  T200] Preemption disabled at:
| [   20.230485][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.230494][  T200] Tainted: [W]=WARN
[   20.230495][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.230496][  T200] Call Trace:
[   20.230498][  T200]  <TASK>
[   20.230500][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.230506][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.230508][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.230512][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.230517][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.230521][  T200]  __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))
[   20.230523][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.230529][  T200]  ? 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)
[   20.230532][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.230536][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   20.230538][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.230539][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.230543][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.230546][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.230550][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.230554][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230560][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.230563][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.230567][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.230571][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.230573][  T200]  ? 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))
[   20.230576][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.230578][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.230582][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.230586][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.230588][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230593][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.230596][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.230598][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.230600][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.230603][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.230605][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.230608][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.230611][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.230612][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.230614][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.230620][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   20.230626][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   20.230631][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.230633][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230636][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   20.230639][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   20.230642][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.230644][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230645][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230647][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.230649][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.230652][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   20.230659][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.230662][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   20.230665][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.230668][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.230670][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.230673][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.230676][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.230678][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.230682][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.230685][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.230687][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.230693][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.230696][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230699][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.230700][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.230702][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.230704][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.230706][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.230710][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230712][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.230714][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   20.230717][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.230719][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.230722][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.230724][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.230725][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.230726][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.230728][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.230730][  T200]  ? __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)
[   20.230733][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.230735][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.230736][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.230739][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.230740][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.230745][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230748][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.230755][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   20.230758][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.230759][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230782][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.230784][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.230787][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.230789][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.230791][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230795][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.230797][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.230799][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.230801][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.230805][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.230807][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.230810][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.230811][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230815][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.230817][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.230821][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.230827][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.230831][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.230837][  T200]  ? 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))
[   20.230840][  T200]  ? 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))
[   20.230844][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.230848][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.230852][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.230855][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.230859][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.230861][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.230863][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.230868][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.230871][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   20.230875][  T200]  __sys_sendto (net/socket.c:2281)
[   20.230878][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.230892][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.230894][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.230898][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.230900][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.230903][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.230910][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.230913][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.230915][  T200] RIP: 0033:0x7f7f6928854e
[   20.230919][  T200] 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
[   20.230921][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.230923][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   20.230925][  T200] RDX: 0000000000000030 RSI: 0000556522418460 RDI: 0000000000000012
[   20.230926][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   20.230926][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055652241c020
[   20.230927][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   21.450225][  T200] softirqs last disabled at (1961272): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.450228][  T200] Preemption disabled at:
| [   21.450229][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.450237][  T200] Tainted: [W]=WARN
[   21.450238][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.450240][  T200] Call Trace:
[   21.450242][  T200]  <TASK>
[   21.450243][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.450249][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.450251][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.450256][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.450260][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.450265][  T200]  __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))
[   21.450267][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.450274][  T200]  ? 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)
[   21.450277][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.450281][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   21.450283][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.450285][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.450288][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.450291][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.450296][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.450300][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450306][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.450309][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.450314][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.450318][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.450320][  T200]  ? 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))
[   21.450323][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.450325][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.450329][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.450334][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.450336][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450341][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.450344][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.450346][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.450348][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.450352][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.450354][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.450357][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.450360][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.450361][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.450363][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.450369][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   21.450374][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   21.450380][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.450382][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450386][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   21.450388][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   21.450391][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.450394][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450395][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450397][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.450399][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.450403][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   21.450409][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.450413][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   21.450417][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.450422][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.450426][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.450432][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.450436][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.450441][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.450447][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.450450][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.450453][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.450459][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.450462][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450465][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.450467][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.450469][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.450471][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.450473][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.450478][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450480][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.450481][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   21.450485][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.450487][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.450490][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.450491][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.450493][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.450494][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.450496][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.450498][  T200]  ? __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)
[   21.450501][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.450503][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.450505][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.450508][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.450509][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.450513][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450516][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.450524][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   21.450527][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.450529][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450552][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.450554][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.450557][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.450559][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.450561][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450566][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.450568][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.450570][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.450572][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.450576][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.450578][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.450581][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.450582][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450587][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.450589][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.450593][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.450596][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.450599][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.450605][  T200]  ? 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))
[   21.450608][  T200]  ? 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))
[   21.450612][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.450616][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.450620][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.450624][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.450628][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.450630][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.450633][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.450637][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.450640][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   21.450644][  T200]  __sys_sendto (net/socket.c:2281)
[   21.450647][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.450662][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.450664][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.450668][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.450670][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.450673][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.450675][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.450678][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.450680][  T200] RIP: 0033:0x7f7f6928854e
[   21.450684][  T200] 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
[   21.450686][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   21.450688][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   21.450690][  T200] RDX: 0000000000000030 RSI: 0000556522291120 RDI: 0000000000000012
[   21.450690][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   21.450691][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055652241e680
[   21.450692][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   22.725000][  T200] softirqs last disabled at (2187978): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.725003][  T200] Preemption disabled at:
| [   22.725004][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.725014][  T200] Tainted: [W]=WARN
[   22.725015][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.725017][  T200] Call Trace:
[   22.725019][  T200]  <TASK>
[   22.725021][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.725028][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.725031][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.725036][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.725041][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.725047][  T200]  __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))
[   22.725050][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.725059][  T200]  ? 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)
[   22.725062][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.725067][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   22.725071][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.725072][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.725077][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.725081][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.725088][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.725093][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725101][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.725105][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.725112][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.725118][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.725120][  T200]  ? 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))
[   22.725125][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.725128][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.725134][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.725140][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.725142][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725151][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.725155][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.725157][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.725159][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.725165][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.725167][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.725172][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.725177][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.725178][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.725181][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.725189][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   22.725195][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   22.725203][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.725206][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725211][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   22.725215][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   22.725219][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.725222][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725225][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725227][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.725230][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.725235][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   22.725244][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.725248][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   22.725252][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.725256][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.725260][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.725265][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.725268][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.725273][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.725278][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.725281][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.725286][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.725294][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.725298][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725302][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.725304][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.725307][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.725309][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.725312][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.725319][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725322][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.725324][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   22.725329][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.725332][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.725336][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.725339][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.725341][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.725342][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.725345][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.725348][  T200]  ? __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)
[   22.725351][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.725354][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.725357][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.725361][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.725363][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.725367][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725372][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.725384][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   22.725389][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.725390][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725428][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.725430][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.725435][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.725437][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.725440][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725447][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.725450][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.725453][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.725455][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.725461][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.725464][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.725469][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.725471][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725478][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.725480][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.725486][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.725489][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.725494][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.725504][  T200]  ? 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))
[   22.725507][  T200]  ? 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))
[   22.725514][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.725520][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.725525][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.725530][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.725536][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.725538][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.725542][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.725550][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.725553][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   22.725558][  T200]  __sys_sendto (net/socket.c:2281)
[   22.725562][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.725580][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   22.725588][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.725591][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.725595][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.725597][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.725601][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.725603][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.725607][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.725610][  T200] RIP: 0033:0x7f7f6928854e
[   22.725614][  T200] 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
[   22.725616][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   22.725619][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   22.725621][  T200] RDX: 0000000000000030 RSI: 0000556522291bc0 RDI: 0000000000000012
[   22.725622][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   22.725623][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556522421310
[   22.725624][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   23.739832][  T200] softirqs last disabled at (2385656): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.739835][  T200] Preemption disabled at:
| [   23.739835][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.739844][  T200] Tainted: [W]=WARN
[   23.739845][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.739847][  T200] Call Trace:
[   23.739849][  T200]  <TASK>
[   23.739851][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.739857][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.739859][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.739863][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.739868][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.739873][  T200]  __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))
[   23.739875][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.739883][  T200]  ? 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)
[   23.739886][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.739890][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   23.739893][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.739895][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.739899][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.739902][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.739907][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.739911][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.739922][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.739926][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.739931][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.739936][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.739938][  T200]  ? 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))
[   23.739941][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.739943][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.739947][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.739952][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.739954][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.739960][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.739963][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.739965][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.739967][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.739971][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.739973][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.739976][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.739979][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.739980][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.739983][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.739988][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   23.739994][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   23.739999][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.740001][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740005][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   23.740007][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   23.740010][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.740013][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740014][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740016][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.740018][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.740022][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   23.740028][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.740031][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   23.740034][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.740037][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.740040][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.740044][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.740046][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.740049][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.740052][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.740055][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.740058][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.740064][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.740067][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740070][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.740071][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.740073][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.740075][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.740077][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.740082][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740084][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.740086][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   23.740089][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.740091][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.740094][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.740096][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.740097][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.740099][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.740100][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.740103][  T200]  ? __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)
[   23.740105][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.740107][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.740109][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.740112][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.740113][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.740117][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740121][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.740128][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   23.740132][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.740133][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740157][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.740159][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.740161][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.740163][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.740166][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740170][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.740172][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.740174][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.740176][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.740180][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.740182][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.740185][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.740187][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740191][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.740193][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.740197][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.740200][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.740203][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.740210][  T200]  ? 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))
[   23.740212][  T200]  ? 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))
[   23.740217][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.740221][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.740225][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.740228][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.740232][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.740234][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.740237][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.740242][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.740245][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   23.740249][  T200]  __sys_sendto (net/socket.c:2281)
[   23.740252][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   23.740263][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   23.740269][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   23.740271][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.740275][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.740276][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   23.740279][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.740281][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.740283][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.740286][  T200] RIP: 0033:0x7f7f6928854e
[   23.740290][  T200] 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
[   23.740291][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   23.740294][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   23.740295][  T200] RDX: 0000000000000030 RSI: 000055652241c3c0 RDI: 0000000000000012
[   23.740296][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   23.740297][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556522423bd0
[   23.740298][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   24.892854][  T200] softirqs last disabled at (2660088): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.892858][  T200] Preemption disabled at:
| [   24.892858][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.892869][  T200] Tainted: [W]=WARN
[   24.892870][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.892872][  T200] Call Trace:
[   24.892874][  T200]  <TASK>
[   24.892876][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.892883][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.892886][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.892891][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.892897][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.892903][  T200]  __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))
[   24.892906][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.892915][  T200]  ? 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)
[   24.892918][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.892929][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   24.892933][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.892935][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.892940][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.892943][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.892951][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.892956][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.892964][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.892969][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.892976][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.892982][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.892984][  T200]  ? 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))
[   24.892989][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.892992][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.892998][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.893005][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.893007][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893016][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.893020][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.893023][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.893025][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.893031][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.893034][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.893038][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.893043][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.893045][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.893048][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.893056][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   24.893063][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   24.893071][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.893074][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893079][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   24.893083][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   24.893087][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.893091][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893093][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893095][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.893098][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.893104][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   24.893113][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.893117][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   24.893121][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.893125][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.893129][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.893134][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.893138][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.893142][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.893148][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.893152][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.893156][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.893164][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.893169][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893173][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.893175][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.893178][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.893181][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.893183][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.893191][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893193][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.893196][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   24.893201][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.893204][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.893208][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.893211][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.893213][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.893215][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.893217][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.893221][  T200]  ? __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)
[   24.893224][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.893227][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.893230][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.893235][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.893236][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.893241][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893246][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.893258][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   24.893263][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.893265][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893304][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.893307][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.893311][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.893314][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.893317][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893324][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.893327][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.893329][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.893332][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.893338][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.893341][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.893346][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.893348][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893355][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.893358][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.893364][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.893368][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.893372][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.893383][  T200]  ? 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))
[   24.893385][  T200]  ? 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))
[   24.893393][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.893399][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.893404][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.893410][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.893416][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.893418][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.893423][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.893430][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.893434][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   24.893439][  T200]  __sys_sendto (net/socket.c:2281)
[   24.893443][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   24.893461][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   24.893469][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   24.893472][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.893477][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.893479][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   24.893482][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.893485][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.893489][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.893491][  T200] RIP: 0033:0x7f7f6928854e
[   24.893497][  T200] 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
[   24.893499][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   24.893502][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   24.893504][  T200] RDX: 0000000000000030 RSI: 000055652227f300 RDI: 0000000000000012
[   24.893505][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   24.893506][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556522426860
[   24.893507][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   26.314686][  T200] softirqs last disabled at (2900066): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.314689][  T200] Preemption disabled at:
| [   26.314689][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.314698][  T200] Tainted: [W]=WARN
[   26.314699][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.314700][  T200] Call Trace:
[   26.314702][  T200]  <TASK>
[   26.314703][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.314709][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.314711][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.314715][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.314720][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.314724][  T200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.314726][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.314733][  T200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.314736][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.314739][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   26.314742][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.314743][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.314747][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.314750][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.314755][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.314759][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314764][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.314767][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.314772][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.314776][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.314778][  T200]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.314781][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.314782][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.314787][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.314791][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.314793][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314798][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.314801][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.314803][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.314804][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.314808][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.314810][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.314813][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.314816][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.314817][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.314819][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.314828][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   26.314833][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   26.314838][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.314840][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314844][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   26.314846][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   26.314849][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.314851][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314853][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314855][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.314856][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.314860][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   26.314867][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.314870][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   26.314872][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.314875][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.314878][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.314881][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.314883][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.314886][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.314890][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.314892][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.314895][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.314901][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.314904][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314907][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.314908][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.314910][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.314912][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.314914][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.314918][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314920][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.314922][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   26.314933][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.314935][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.314937][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.314939][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.314940][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.314942][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.314943][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.314946][  T200]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   26.314948][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.314950][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.314952][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.314955][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.314956][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.314960][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314964][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.314971][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   26.314974][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.314975][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.314997][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.314999][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.315002][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.315004][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.315006][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.315011][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.315012][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.315014][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.315016][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.315020][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.315022][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.315025][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.315026][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.315031][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.315033][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.315036][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.315040][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.315042][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.315049][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.315051][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.315056][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.315060][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.315063][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.315067][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.315071][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.315072][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.315075][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.315080][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.315083][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   26.315086][  T200]  __sys_sendto (net/socket.c:2281)
[   26.315089][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   26.315100][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   26.315105][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   26.315108][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.315111][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.315113][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.315115][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.315117][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.315120][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.315122][  T200] RIP: 0033:0x7f7f6928854e
[   26.315126][  T200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.315128][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   26.315130][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   26.315132][  T200] RDX: 0000000000000030 RSI: 00005565223ddfd0 RDI: 0000000000000012
[   26.315133][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   26.315133][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055652243a890
[   26.315134][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   27.627747][  T200] softirqs last disabled at (3160298): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.627750][  T200] Preemption disabled at:
| [   27.627751][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.627759][  T200] Tainted: [W]=WARN
[   27.627760][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.627762][  T200] Call Trace:
[   27.627763][  T200]  <TASK>
[   27.627765][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.627771][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.627773][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.627778][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.627782][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.627787][  T200]  __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))
[   27.627788][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.627795][  T200]  ? 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)
[   27.627798][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.627802][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   27.627804][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.627805][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.627809][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.627812][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.627818][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.627822][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.627830][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.627834][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.627838][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.627842][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.627844][  T200]  ? 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))
[   27.627848][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.627849][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.627853][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.627857][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.627859][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.627865][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.627868][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.627870][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.627872][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.627875][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.627877][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.627880][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.627883][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.627884][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.627886][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.627892][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   27.627897][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   27.627902][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.627905][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.627908][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   27.627911][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   27.627913][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.627916][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.627917][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.627919][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.627921][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.627925][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   27.627937][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.627940][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   27.627943][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.627946][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.627948][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.627952][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.627954][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.627957][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.627961][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.627964][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.627966][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.627972][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.627975][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.627978][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.627979][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.627981][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.627983][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.627985][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.627989][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.627991][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.627993][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   27.627996][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.627998][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.628001][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.628003][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.628004][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.628005][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.628007][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.628009][  T200]  ? __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)
[   27.628012][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.628014][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.628016][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.628019][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.628020][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.628024][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.628028][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.628035][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   27.628038][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.628039][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.628061][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.628063][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.628066][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.628068][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.628070][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.628075][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.628076][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.628078][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.628080][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.628084][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.628086][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.628089][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.628090][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.628095][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.628097][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.628100][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.628104][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.628106][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.628113][  T200]  ? 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))
[   27.628115][  T200]  ? 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))
[   27.628119][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.628123][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.628127][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.628130][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.628134][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.628136][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.628139][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.628143][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.628146][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.628150][  T200]  __sys_sendto (net/socket.c:2281)
[   27.628153][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.628164][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   27.628169][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.628171][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.628175][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.628177][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.628179][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.628181][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.628184][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.628186][  T200] RIP: 0033:0x7f7f6928854e
[   27.628190][  T200] 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
[   27.628192][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.628194][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   27.628196][  T200] RDX: 0000000000000030 RSI: 0000556522297cd0 RDI: 0000000000000012
[   27.628196][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   27.628197][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055652243d240
[   27.628198][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   28.706803][  T200] softirqs last disabled at (3424530): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.706806][  T200] Preemption disabled at:
| [   28.706806][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.706815][  T200] Tainted: [W]=WARN
[   28.706816][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.706818][  T200] Call Trace:
[   28.706819][  T200]  <TASK>
[   28.706821][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.706830][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.706832][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.706836][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.706841][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.706845][  T200]  __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))
[   28.706847][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.706854][  T200]  ? 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)
[   28.706857][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.706860][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   28.706863][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.706864][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.706868][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.706871][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.706876][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.706880][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706885][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.706888][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706893][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.706897][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.706899][  T200]  ? 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))
[   28.706902][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706904][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.706908][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.706912][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.706914][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706920][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.706923][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.706925][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706926][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   28.706930][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.706932][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.706940][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.706944][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.706945][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.706947][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   28.706952][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   28.706958][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   28.706963][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.706965][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706968][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   28.706971][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   28.706974][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.706976][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706978][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706979][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.706981][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.706985][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   28.706991][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.706994][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   28.706997][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.707000][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.707002][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.707006][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.707008][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.707011][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   28.707014][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.707017][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.707020][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.707026][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.707029][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.707032][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.707033][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.707035][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.707037][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.707039][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.707043][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.707045][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   28.707047][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   28.707050][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.707052][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   28.707055][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.707057][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.707058][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.707059][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.707061][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.707063][  T200]  ? __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)
[   28.707066][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.707068][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   28.707070][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.707072][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.707074][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.707077][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.707081][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.707088][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   28.707091][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.707093][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.707116][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.707117][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.707120][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.707122][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.707124][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.707129][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.707131][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.707132][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.707134][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.707138][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.707140][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.707143][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.707145][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.707149][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.707151][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.707154][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.707157][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.707160][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.707167][  T200]  ? 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))
[   28.707169][  T200]  ? 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))
[   28.707174][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.707178][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.707181][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.707185][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.707189][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.707190][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.707193][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.707198][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.707201][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   28.707204][  T200]  __sys_sendto (net/socket.c:2281)
[   28.707207][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   28.707218][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   28.707224][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   28.707226][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.707230][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.707231][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   28.707234][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.707236][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.707238][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.707240][  T200] RIP: 0033:0x7f7f6928854e
[   28.707244][  T200] 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
[   28.707246][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   28.707248][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   28.707250][  T200] RDX: 0000000000000030 RSI: 000055652229c860 RDI: 0000000000000012
[   28.707250][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   28.707251][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556522440bf0
[   28.707252][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   30.185297][  T200] softirqs last disabled at (3604670): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.185300][  T200] Preemption disabled at:
| [   30.185301][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.185310][  T200] Tainted: [W]=WARN
[   30.185312][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.185314][  T200] Call Trace:
[   30.185315][  T200]  <TASK>
[   30.185317][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.185324][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.185327][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.185332][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.185337][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.185343][  T200]  __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))
[   30.185346][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.185355][  T200]  ? 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)
[   30.185358][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.185363][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   30.185367][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.185369][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.185373][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.185377][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.185384][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.185389][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185397][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.185401][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.185409][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.185414][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.185417][  T200]  ? 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))
[   30.185421][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.185424][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.185430][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.185436][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.185438][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185447][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.185451][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.185453][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.185456][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.185461][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.185463][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.185468][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.185472][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.185474][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.185477][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.185485][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   30.185491][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   30.185499][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.185502][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185507][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   30.185511][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   30.185515][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.185518][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185520][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185523][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.185525][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.185530][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   30.185539][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.185543][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   30.185547][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.185551][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.185555][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.185560][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.185563][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.185567][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.185572][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.185576][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.185580][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.185588][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.185592][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185597][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.185598][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.185601][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.185604][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.185606][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.185613][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185616][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.185618][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   30.185624][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.185626][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.185630][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.185633][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.185635][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.185636][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.185639][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.185642][  T200]  ? __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)
[   30.185645][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.185648][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.185651][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.185655][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.185657][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.185661][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185666][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.185678][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   30.185683][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.185685][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185721][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.185724][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.185728][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.185731][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.185734][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185741][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.185743][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.185746][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.185749][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.185754][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.185757][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.185762][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.185764][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185771][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.185773][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.185779][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.185782][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.185787][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.185797][  T200]  ? 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))
[   30.185799][  T200]  ? 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))
[   30.185806][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.185812][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.185815][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.185819][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.185828][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.185835][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.185837][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.185841][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.185848][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.185852][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   30.185856][  T200]  __sys_sendto (net/socket.c:2281)
[   30.185860][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.185877][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   30.185885][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.185888][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.185893][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.185895][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.185898][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.185900][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.185904][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.185907][  T200] RIP: 0033:0x7f7f6928854e
[   30.185912][  T200] 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
[   30.185914][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.185917][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   30.185918][  T200] RDX: 0000000000000030 RSI: 000055652228b770 RDI: 0000000000000012
[   30.185919][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   30.185920][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556522443860
[   30.185922][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   31.487539][  T200] softirqs last disabled at (3831338): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.487543][  T200] Preemption disabled at:
| [   31.487543][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.487553][  T200] Tainted: [W]=WARN
[   31.487554][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.487556][  T200] Call Trace:
[   31.487558][  T200]  <TASK>
[   31.487560][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.487567][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.487569][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.487575][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.487581][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.487587][  T200]  __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))
[   31.487589][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.487598][  T200]  ? 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)
[   31.487601][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.487607][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   31.487610][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.487612][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.487617][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.487620][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.487628][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.487632][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487640][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.487645][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.487652][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.487658][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.487660][  T200]  ? 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))
[   31.487665][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.487667][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.487673][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.487680][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.487682][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487690][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.487694][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.487697][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.487699][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   31.487705][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.487707][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.487712][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.487716][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.487718][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.487721][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.487729][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   31.487735][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   31.487743][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.487746][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487751][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   31.487754][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   31.487758][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.487762][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487764][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487766][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.487769][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.487774][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   31.487783][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.487787][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   31.487791][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.487795][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.487799][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.487804][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.487807][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.487811][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.487816][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.487820][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.487827][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.487835][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.487839][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487844][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.487846][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.487848][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.487851][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.487854][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.487861][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487863][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.487866][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   31.487871][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.487874][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   31.487878][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.487880][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.487882][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.487884][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.487886][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.487890][  T200]  ? __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)
[   31.487893][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.487896][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   31.487898][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.487903][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.487904][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.487909][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487914][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.487925][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   31.487930][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.487932][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487974][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.487976][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.487981][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.487983][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.487986][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.487993][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.487996][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.487999][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.488001][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.488007][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.488010][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.488015][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.488017][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.488024][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.488026][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.488032][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.488036][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.488040][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.488050][  T200]  ? 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))
[   31.488053][  T200]  ? 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))
[   31.488060][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.488066][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.488071][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.488076][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.488082][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.488084][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.488089][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.488096][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.488099][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   31.488104][  T200]  __sys_sendto (net/socket.c:2281)
[   31.488108][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   31.488131][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   31.488134][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.488138][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.488141][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   31.488145][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.488147][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.488151][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.488154][  T200] RIP: 0033:0x7f7f6928854e
[   31.488158][  T200] 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
[   31.488161][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   31.488164][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   31.488165][  T200] RDX: 0000000000000030 RSI: 0000556522280c30 RDI: 0000000000000012
[   31.488167][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   31.488168][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00005565224472c0
[   31.488169][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   31.513203][    C0]
| [   31.513203][    C0]
| [   31.513203][    C0] stack backtrace:
| [   31.513208][    C0] Tainted: [W]=WARN
[   31.513209][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.513210][    C0] Call Trace:
[   31.513211][    C0]  <IRQ>
[   31.513212][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.513216][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   31.513218][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   31.513220][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   31.513223][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   31.513225][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   31.513226][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   31.513228][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.513230][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   31.513232][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.513234][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.513236][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   31.513237][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   31.513239][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   31.513241][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.513243][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   31.513244][    C0]  _printk (kernel/printk/printk.c:2504)
[   31.513246][    C0]  ? snapshot_read.cold (user.c:?)
[   31.513248][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   31.513250][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.513252][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   31.513253][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   31.513255][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   31.513257][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   31.513259][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   31.513261][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   31.513263][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.513265][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.513267][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.513268][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   31.513270][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   31.513272][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   31.513274][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.513277][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.513280][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   31.513282][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   31.513283][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.513286][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.513287][    C0]  handle_softirqs (kernel/softirq.c:645)
[   31.513289][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.513290][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   31.513293][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   31.513294][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   31.513296][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   31.513297][    C0]  </IRQ>
[   31.513298][    C0]  <TASK>
[   31.513298][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   31.513300][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   31.513302][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   31.513304][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   31.513305][    C0] RSP: 0018:ffffffffaa407cf8 EFLAGS: 00000296
[   31.513307][    C0] RAX: 0000000000260557 RBX: ffffffffaa430600 RCX: ffffffffa6b06247
[   31.513308][    C0] RDX: ffffffffaa430600 RSI: ffffffffa9d11027 RDI: ffffffffa96949e0
[   31.513309][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   31.513310][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5480fa2
[   31.513311][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   31.513312][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.513314][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.513316][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   31.513317][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   31.513319][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.513321][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   31.513322][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   31.513325][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.513326][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.513327][    C0]  do_idle (kernel/sched/idle.c:355)
[   31.513329][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   31.513331][    C0]  rest_init (init/main.c:727)
[   31.513332][    C0]  ? __cpuidle_text_end (??:?)
[   31.513335][    C0]  ? rest_init (init/main.c:727)
[   31.513336][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   31.513340][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   31.513341][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   31.513343][    C0]  start_kernel (init/main.c:1185)
[   31.513345][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   31.513347][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   31.513348][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   32.569840][  T809] softirqs last disabled at (0): 0x0
| [   32.569841][  T809] Preemption disabled at:
| [   32.569842][  T809] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.569852][  T809] Tainted: [W]=WARN
[   32.569853][  T809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.569855][  T809] Call Trace:
[   32.569856][  T809]  <TASK>
[   32.569857][  T809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.569863][  T809]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.569864][  T809]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.569868][  T809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.569872][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.569874][  T809]  __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))
[   32.569877][  T809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.569880][  T809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.569886][  T809]  ? 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)
[   32.569888][  T809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.569890][  T809]  put_chars (drivers/char/virtio_console.c:1176)
[   32.569892][  T809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.569893][  T809]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   32.569896][  T809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.569901][  T809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.569903][  T809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.569904][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.569905][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.569908][  T809]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.569911][  T809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.569913][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.569913][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.569914][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.569915][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.569917][  T809]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   32.569919][  T809]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.569921][  T809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.569924][  T809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.569926][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.569927][  T809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.569929][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.569930][  T809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.569931][  T809]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   32.569933][  T809]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   32.569934][  T809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.569936][  T809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.569937][  T809]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.569939][  T809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.569940][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.569942][  T809]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.569945][  T809]  ? 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)
[   32.569951][  T809]  _printk (kernel/printk/printk.c:2504)
[   32.569954][  T809]  ? snapshot_read.cold (user.c:?)
[   32.569956][  T809]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   32.569960][  T809]  ? inet6_fill_ifinfo (net/ipv6/addrconf.c:6135)
[   32.569963][  T809]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   32.569965][  T809]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   32.569969][  T809]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   32.569972][  T809]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   32.569973][  T809]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   32.569977][  T809]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   32.569980][  T809]  ? addrconf_notify (net/ipv6/addrconf.c:3796)
[   32.569982][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.569983][  T809]  notifier_call_chain (kernel/notifier.c:85)
[   32.569985][  T809]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   32.569989][  T809]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.569990][  T809]  ? netif_change_name (net/core/dev.c:1517)
[   32.569992][  T809]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.569995][  T809]  ? write_profile (profile.c:?)
[   32.569997][  T809]  netif_change_flags (net/core/dev.c:9882)
[   32.570000][  T809]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   32.570003][  T809]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.570005][  T809]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.570006][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570007][  T809]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.570010][  T809]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.570013][  T809]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.570014][  T809]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.570015][  T809]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.570016][  T809]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   32.570017][  T809]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   32.570018][  T809]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.570020][  T809]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.570021][  T809]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.570023][  T809]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.570024][  T809]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.570027][  T809]  ? ____sys_sendmsg (net/socket.c:2713)
[   32.570028][  T809]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.570029][  T809]  ? __sys_sendmsg (net/socket.c:2799)
[   32.570031][  T809]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.570034][  T809]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.570037][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570038][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.570039][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570040][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570041][  T809]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.570043][  T809]  ? __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)
[   32.570044][  T809]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.570045][  T809]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.570047][  T809]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.570049][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570050][  T809]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.570052][  T809]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.570054][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570055][  T809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.570056][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.570057][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570059][  T809]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   32.570061][  T809]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   32.570062][  T809]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   32.570065][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570066][  T809]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   32.570069][  T809]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   32.570071][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570072][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.570074][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570075][  T809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.570076][  T809]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.570078][  T809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.570079][  T809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.570081][  T809]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.570083][  T809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.570085][  T809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.570086][  T809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.570087][  T809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.570089][  T809]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   32.570091][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570092][  T809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.570094][  T809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.570096][  T809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.570098][  T809]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.570100][  T809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.570102][  T809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.570104][  T809]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   32.570105][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.570107][  T809]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   32.570110][  T809]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.570112][  T809]  ____sys_sendmsg (net/socket.c:2713)
[   32.570113][  T809]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.570115][  T809]  ? sock_write_iter (net/socket.c:1269)
[   32.570116][  T809]  ? move_addr_to_kernel (net/socket.c:258)
[   32.570118][  T809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.570120][  T809]  ___sys_sendmsg (net/socket.c:2767)
[   32.570122][  T809]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.570127][  T809]  __sys_sendmsg (net/socket.c:2799)
[   32.570129][  T809]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.570131][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.570133][  T809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.570134][  T809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.570136][  T809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.570138][  T809] RIP: 0033:0x7fbe40ace54e
[   32.570140][  T809] 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
[   32.570142][  T809] RSP: 002b:00007fff7e35d230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.570145][  T809] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbe40ace54e
[   32.570147][  T809] RDX: 0000000000000000 RSI: 00007fff7e35d2e0 RDI: 0000000000000003
[   32.570148][  T809] RBP: 00007fff7e35d240 R08: 0000000000000000 R09: 0000000000000000
[   32.570148][  T809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915d17
[   32.570149][  T809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7e35d9a0
| [   33.622104][  T851] softirqs last disabled at (0): 0x0
| [   33.622106][  T851] Preemption disabled at:
| [   33.622106][  T851] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.622117][  T851] Tainted: [W]=WARN
[   33.622118][  T851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.622119][  T851] Call Trace:
[   33.622121][  T851]  <TASK>
[   33.622122][  T851]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.622127][  T851]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.622129][  T851]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.622133][  T851]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.622137][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622139][  T851]  __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))
[   33.622142][  T851]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.622146][  T851]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.622151][  T851]  ? 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)
[   33.622153][  T851]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.622155][  T851]  put_chars (drivers/char/virtio_console.c:1176)
[   33.622156][  T851]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.622158][  T851]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   33.622161][  T851]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.622166][  T851]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.622168][  T851]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.622170][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622171][  T851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.622174][  T851]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.622176][  T851]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.622178][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622179][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622180][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622181][  T851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.622183][  T851]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   33.622185][  T851]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.622187][  T851]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.622190][  T851]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.622192][  T851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.622194][  T851]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.622195][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622196][  T851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.622198][  T851]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   33.622199][  T851]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   33.622201][  T851]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.622203][  T851]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.622204][  T851]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.622206][  T851]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.622207][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622209][  T851]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.622212][  T851]  ? 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)
[   33.622214][  T851]  _printk (kernel/printk/printk.c:2504)
[   33.622217][  T851]  ? snapshot_read.cold (user.c:?)
[   33.622219][  T851]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   33.622223][  T851]  ? inet6_fill_ifinfo (net/ipv6/addrconf.c:6135)
[   33.622226][  T851]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   33.622229][  T851]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   33.622232][  T851]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   33.622235][  T851]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   33.622237][  T851]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   33.622241][  T851]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   33.622243][  T851]  ? addrconf_notify (net/ipv6/addrconf.c:3796)
[   33.622246][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622247][  T851]  notifier_call_chain (kernel/notifier.c:85)
[   33.622249][  T851]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   33.622253][  T851]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.622254][  T851]  ? netif_change_name (net/core/dev.c:1517)
[   33.622257][  T851]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.622259][  T851]  ? write_profile (profile.c:?)
[   33.622262][  T851]  netif_change_flags (net/core/dev.c:9882)
[   33.622264][  T851]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   33.622267][  T851]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.622269][  T851]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.622270][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622271][  T851]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   33.622275][  T851]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.622277][  T851]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.622278][  T851]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.622280][  T851]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.622281][  T851]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   33.622282][  T851]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   33.622283][  T851]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.622284][  T851]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.622286][  T851]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.622287][  T851]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.622289][  T851]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.622291][  T851]  ? ____sys_sendmsg (net/socket.c:2713)
[   33.622293][  T851]  ? ___sys_sendmsg (net/socket.c:2767)
[   33.622294][  T851]  ? __sys_sendmsg (net/socket.c:2799)
[   33.622296][  T851]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.622299][  T851]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.622301][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622302][  T851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.622304][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622305][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622306][  T851]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.622307][  T851]  ? __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)
[   33.622309][  T851]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.622310][  T851]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.622312][  T851]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.622313][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622315][  T851]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.622317][  T851]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.622319][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622320][  T851]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.622321][  T851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.622322][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622324][  T851]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   33.622326][  T851]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   33.622327][  T851]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   33.622330][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622331][  T851]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   33.622334][  T851]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   33.622337][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622338][  T851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.622339][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622340][  T851]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.622342][  T851]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.622343][  T851]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.622345][  T851]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   33.622346][  T851]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   33.622349][  T851]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.622350][  T851]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.622352][  T851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.622353][  T851]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.622355][  T851]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   33.622357][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622358][  T851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.622360][  T851]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.622363][  T851]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.622364][  T851]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.622366][  T851]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.622369][  T851]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.622370][  T851]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   33.622372][  T851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.622373][  T851]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   33.622377][  T851]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.622378][  T851]  ____sys_sendmsg (net/socket.c:2713)
[   33.622380][  T851]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.622382][  T851]  ? sock_write_iter (net/socket.c:1269)
[   33.622383][  T851]  ? move_addr_to_kernel (net/socket.c:258)
[   33.622385][  T851]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   33.622387][  T851]  ___sys_sendmsg (net/socket.c:2767)
[   33.622389][  T851]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.622394][  T851]  __sys_sendmsg (net/socket.c:2799)
[   33.622396][  T851]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.622399][  T851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.622400][  T851]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.622402][  T851]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.622404][  T851]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.622405][  T851] RIP: 0033:0x7fc8eb4d554e
[   33.622407][  T851] 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
[   33.622409][  T851] RSP: 002b:00007ffedb9a4cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.622413][  T851] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc8eb4d554e
[   33.622415][  T851] RDX: 0000000000000000 RSI: 00007ffedb9a4d70 RDI: 0000000000000003
[   33.622416][  T851] RBP: 00007ffedb9a4cd0 R08: 0000000000000000 R09: 0000000000000000
[   33.622417][  T851] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915d18
[   33.622419][  T851] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedb9a5430
| [   34.873674][  T200] softirqs last disabled at (3832833): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   34.873676][  T200] Preemption disabled at:
| [   34.873677][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.873686][  T200] Tainted: [W]=WARN
[   34.873687][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.873689][  T200] Call Trace:
[   34.873690][  T200]  <TASK>
[   34.873691][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.873697][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.873698][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.873702][  T200]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   34.873704][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.873707][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873710][  T200]  __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))
[   34.873713][  T200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.873716][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.873721][  T200]  ? 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)
[   34.873723][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.873725][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   34.873727][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.873729][  T200]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   34.873731][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.873736][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.873737][  T200]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   34.873740][  T200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.873742][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873743][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873745][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.873747][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.873749][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873750][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873751][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873752][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873754][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   34.873756][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.873758][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.873761][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.873763][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873764][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.873766][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873767][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873768][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   34.873770][  T200]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   34.873771][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.873773][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.873774][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.873776][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.873777][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873779][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   34.873784][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   34.873785][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873787][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873788][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873789][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873791][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   34.873793][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   34.873794][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873796][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873797][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873798][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873800][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   34.873804][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.873806][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   34.873808][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873809][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873810][  T200]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   34.873812][  T200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.873813][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873814][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873816][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.873818][  T200]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   34.873820][  T200]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   34.873821][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.873828][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.873830][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.873834][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873835][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.873839][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.873841][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.873843][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873844][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873845][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873847][  T200]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   34.873849][  T200]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   34.873850][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873851][  T200]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   34.873854][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873855][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873856][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873858][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873859][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873860][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873861][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873863][  T200]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   34.873865][  T200]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.873867][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873868][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873869][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873870][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873871][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.873872][  T200]  ? __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)
[   34.873874][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.873875][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.873876][  T200]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   34.873878][  T200]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   34.873879][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.873880][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.873883][  T200]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   34.873886][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873887][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873889][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   34.873891][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873892][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.873893][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873899][  T200]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   34.873901][  T200]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.873902][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873903][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873904][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873905][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873906][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873908][  T200]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   34.873909][  T200]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   34.873910][  T200]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   34.873911][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873912][  T200]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   34.873916][  T200]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   34.873917][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873918][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873919][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873920][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.873922][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.873923][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.873925][  T200]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   34.873927][  T200]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   34.873930][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.873933][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.873934][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873936][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.873937][  T200]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   34.873940][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873941][  T200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.873943][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.873945][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.873948][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.873950][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.873952][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.873959][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.873960][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.873963][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   34.873966][  T200]  __sys_sendto (net/socket.c:2281)
[   34.873968][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   34.873972][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   34.873974][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.873975][  T200]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   34.873977][  T200]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   34.873978][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.873981][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.873983][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.873984][  T200] RIP: 0033:0x7f7f6928854e
[   34.873987][  T200] 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
[   34.873989][  T200] RSP: 002b:00007fffe2540740 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   34.873992][  T200] RAX: ffffffffffffffda RBX: 00005565223f2930 RCX: 00007f7f6928854e
[   34.873993][  T200] RDX: 0000000000000030 RSI: 0000556522451fc0 RDI: 0000000000000012
[   34.873994][  T200] RBP: 00007fffe2540750 R08: 00007fffe25407a0 R09: 0000000000000080
[   34.873995][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556522452e00
[   34.873996][  T200] R13: 00007fffe2540884 R14: 0000000000000000 R15: 0000000000000000
| [   35.988793][  T954] softirqs last disabled at (0): 0x0
| [   35.988795][  T954] Preemption disabled at:
| [   35.988796][  T954] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.988806][  T954] Tainted: [W]=WARN
[   35.988807][  T954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.988808][  T954] Call Trace:
[   35.988810][  T954]  <TASK>
[   35.988811][  T954]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.988816][  T954]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.988818][  T954]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.988821][  T954]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.988827][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988829][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988831][  T954]  __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))
[   35.988834][  T954]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.988837][  T954]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.988842][  T954]  ? 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)
[   35.988844][  T954]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.988847][  T954]  put_chars (drivers/char/virtio_console.c:1176)
[   35.988848][  T954]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.988850][  T954]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   35.988853][  T954]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.988858][  T954]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.988860][  T954]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.988861][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988863][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.988865][  T954]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.988868][  T954]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.988870][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988871][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988872][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988873][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.988875][  T954]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   35.988877][  T954]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.988879][  T954]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.988882][  T954]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.988884][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.988885][  T954]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.988887][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988888][  T954]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.988889][  T954]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   35.988891][  T954]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   35.988892][  T954]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.988894][  T954]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.988896][  T954]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.988898][  T954]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.988900][  T954]  _printk (kernel/printk/printk.c:2504)
[   35.988903][  T954]  ? snapshot_read.cold (user.c:?)
[   35.988905][  T954]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   35.988907][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988908][  T954]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.988911][  T954]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   35.988914][  T954]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   35.988917][  T954]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   35.988921][  T954]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   35.988922][  T954]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   35.988924][  T954]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   35.988928][  T954]  ? addrconf_notify (net/ipv6/addrconf.c:3730)
[   35.988931][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988932][  T954]  notifier_call_chain (kernel/notifier.c:85)
[   35.988935][  T954]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   35.988938][  T954]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.988940][  T954]  ? netif_change_name (net/core/dev.c:1517)
[   35.988942][  T954]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.988944][  T954]  ? write_profile (profile.c:?)
[   35.988948][  T954]  netif_change_flags (net/core/dev.c:9882)
[   35.988950][  T954]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   35.988953][  T954]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.988955][  T954]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.988956][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988962][  T954]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.988966][  T954]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.988968][  T954]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.988969][  T954]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.988970][  T954]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.988971][  T954]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   35.988973][  T954]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   35.988974][  T954]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.988975][  T954]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.988978][  T954]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.988980][  T954]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.988981][  T954]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.988984][  T954]  ? ____sys_sendmsg (net/socket.c:2713)
[   35.988985][  T954]  ? ___sys_sendmsg (net/socket.c:2767)
[   35.988987][  T954]  ? __sys_sendmsg (net/socket.c:2799)
[   35.988988][  T954]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.988992][  T954]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.988994][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988995][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.988997][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988998][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.988999][  T954]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.989001][  T954]  ? __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)
[   35.989002][  T954]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.989004][  T954]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.989005][  T954]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.989007][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.989008][  T954]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.989010][  T954]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.989012][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.989013][  T954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.989015][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.989016][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.989017][  T954]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   35.989020][  T954]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   35.989021][  T954]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.989024][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.989025][  T954]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.989028][  T954]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   35.989030][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.989032][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.989033][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.989034][  T954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.989036][  T954]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.989037][  T954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.989038][  T954]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.989040][  T954]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.989042][  T954]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.989044][  T954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.989045][  T954]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.989047][  T954]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.989049][  T954]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   35.989052][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.989053][  T954]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.989055][  T954]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.989057][  T954]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.989059][  T954]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.989061][  T954]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.989063][  T954]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.989064][  T954]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.989066][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.989068][  T954]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   35.989071][  T954]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.989073][  T954]  ____sys_sendmsg (net/socket.c:2713)
[   35.989074][  T954]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.989076][  T954]  ? sock_write_iter (net/socket.c:1269)
[   35.989078][  T954]  ? move_addr_to_kernel (net/socket.c:258)
[   35.989079][  T954]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.989082][  T954]  ___sys_sendmsg (net/socket.c:2767)
[   35.989084][  T954]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.989089][  T954]  __sys_sendmsg (net/socket.c:2799)
[   35.989090][  T954]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.989093][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.989095][  T954]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.989097][  T954]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.989098][  T954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.989100][  T954] RIP: 0033:0x7f2f6ca9954e
[   35.989102][  T954] 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
[   35.989103][  T954] RSP: 002b:00007ffe1406cf00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.989107][  T954] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2f6ca9954e
[   35.989109][  T954] RDX: 0000000000000000 RSI: 00007ffe1406cfb0 RDI: 0000000000000003
[   35.989109][  T954] RBP: 00007ffe1406cf10 R08: 0000000000000000 R09: 0000000000000000
[   35.989110][  T954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915d1b


Finger prints:
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning