======================================
| [    9.458443][   T90] softirqs last disabled at (445180): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.458445][   T90] Preemption disabled at:
| [    9.458446][   T90] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.458455][   T90] Tainted: [W]=WARN
[    9.458456][   T90] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.458459][   T90] Call Trace:
[    9.458460][   T90]  <TASK>
[    9.458462][   T90]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.458468][   T90]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.458470][   T90]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.458475][   T90]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.458479][   T90]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.458484][   T90]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.458486][   T90]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.458492][   T90]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.458494][   T90]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.458497][   T90]  put_chars (drivers/char/virtio_console.c:1176)
[    9.458500][   T90]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.458504][   T90]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.458509][   T90]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.458512][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458517][   T90]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.458519][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.458526][   T90]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.458529][   T90]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.458534][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.458536][   T90]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.458540][   T90]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.458544][   T90]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.458546][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458551][   T90]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.458553][   T90]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.458555][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.458557][   T90]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.458561][   T90]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.458562][   T90]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.458565][   T90]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.458569][   T90]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.458571][   T90]  ? write_profile (profile.c:?)
[    9.458574][   T90]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.458581][   T90]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.458586][   T90]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.458591][   T90]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    9.458597][   T90]  dev_printk_emit (drivers/base/core.c:5011)
[    9.458599][   T90]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.458603][   T90]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.458609][   T90]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.458614][   T90]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.458616][   T90]  ? netdev_notice (net/core/dev.c:13194)
[    9.458619][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.458623][   T90]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.458625][   T90]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.458628][   T90]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.458631][   T90]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.458634][   T90]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.458636][   T90]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[    9.458638][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    9.458642][   T90]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.458646][   T90]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.458652][   T90]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.458655][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458657][   T90]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.458659][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.458660][   T90]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.458663][   T90]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.458666][   T90]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.458670][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458674][   T90]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.458676][   T90]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.458679][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.458681][   T90]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.458683][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.458684][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.458686][   T90]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.458689][   T90]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[    9.458692][   T90]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.458694][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458695][   T90]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.458698][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.458700][   T90]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.458702][   T90]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.458708][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.458711][   T90]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.458719][   T90]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.458723][   T90]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.458724][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458748][   T90]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.458750][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.458753][   T90]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.458755][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.458757][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458761][   T90]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.458763][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.458765][   T90]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.458767][   T90]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.458771][   T90]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.458773][   T90]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.458777][   T90]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.458778][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458785][   T90]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.458787][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.458791][   T90]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.458794][   T90]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.458797][   T90]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.458804][   T90]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.458811][   T90]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.458816][   T90]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.458821][   T90]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.458823][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.458828][   T90]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.458832][   T90]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.458836][   T90]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.458840][   T90]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.458843][   T90]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    9.458847][   T90]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.458858][   T90]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.458864][   T90]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.458866][   T90]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.458870][   T90]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.458871][   T90]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.458873][   T90]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.458874][   T90]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.458877][   T90]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.458880][   T90] RIP: 0033:0x7f9e300c954e
[    9.458884][   T90] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.458886][   T90] RSP: 002b:00007ffc181d4420 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.458888][   T90] RAX: ffffffffffffffda RBX: 000055b9fe630f50 RCX: 00007f9e300c954e
[    9.458890][   T90] RDX: 0000000000000030 RSI: 000055b9fe78dd80 RDI: 0000000000000022
[    9.458891][   T90] RBP: 00007ffc181d4430 R08: 00007ffc181d4480 R09: 0000000000000080
[    9.458892][   T90] R10: 0000000000000000 R11: 0000000000000202 R12: 000055b9fe78f120
[    9.458893][   T90] R13: 00007ffc181d4564 R14: 0000000000000000 R15: 0000000000000000
| [   11.496620][   T90] softirqs last disabled at (690150): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.496622][   T90] Preemption disabled at:
| [   11.496623][   T90] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.496632][   T90] Tainted: [W]=WARN
[   11.496633][   T90] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.496636][   T90] Call Trace:
[   11.496637][   T90]  <TASK>
[   11.496639][   T90]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.496644][   T90]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.496646][   T90]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.496651][   T90]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.496655][   T90]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.496660][   T90]  __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))
[   11.496662][   T90]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.496668][   T90]  ? 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)
[   11.496670][   T90]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.496674][   T90]  put_chars (drivers/char/virtio_console.c:1176)
[   11.496677][   T90]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.496678][   T90]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.496683][   T90]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.496685][   T90]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.496690][   T90]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.496692][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496697][   T90]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.496700][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.496705][   T90]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.496709][   T90]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.496713][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.496716][   T90]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.496719][   T90]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.496724][   T90]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.496725][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496730][   T90]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.496733][   T90]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.496735][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.496737][   T90]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.496740][   T90]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.496742][   T90]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.496745][   T90]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.496749][   T90]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.496751][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496753][   T90]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   11.496759][   T90]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.496764][   T90]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.496769][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.496774][   T90]  dev_printk_emit (drivers/base/core.c:5011)
[   11.496776][   T90]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.496778][   T90]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.496784][   T90]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.496786][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496788][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496789][   T90]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.496791][   T90]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.496795][   T90]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.496801][   T90]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.496803][   T90]  ? netdev_notice (net/core/dev.c:13194)
[   11.496805][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.496809][   T90]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.496811][   T90]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.496820][   T90]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.496823][   T90]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.496827][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496828][   T90]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   11.496830][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   11.496834][   T90]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.496836][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.496839][   T90]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.496845][   T90]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.496848][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496851][   T90]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.496853][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.496854][   T90]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.496857][   T90]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.496858][   T90]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.496863][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496867][   T90]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.496869][   T90]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.496872][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.496874][   T90]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.496875][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.496877][   T90]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.496879][   T90]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.496882][   T90]  ? __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)
[   11.496885][   T90]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.496886][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496888][   T90]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.496891][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.496893][   T90]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.496895][   T90]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.496901][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.496904][   T90]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.496912][   T90]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.496916][   T90]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.496917][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496940][   T90]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.496942][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.496945][   T90]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.496947][   T90]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.496949][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496953][   T90]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.496955][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.496957][   T90]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.496959][   T90]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.496963][   T90]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.496965][   T90]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.496969][   T90]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.496970][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.496975][   T90]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.496976][   T90]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.496980][   T90]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.496984][   T90]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.496987][   T90]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.496994][   T90]  ? 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))
[   11.496996][   T90]  ? 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))
[   11.497001][   T90]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.497005][   T90]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.497007][   T90]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.497009][   T90]  ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123)
[   11.497013][   T90]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.497017][   T90]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.497021][   T90]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.497025][   T90]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.497028][   T90]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   11.497032][   T90]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.497043][   T90]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   11.497049][   T90]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.497051][   T90]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.497055][   T90]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.497056][   T90]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.497058][   T90]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.497060][   T90]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.497062][   T90]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.497065][   T90] RIP: 0033:0x7f9e300c954e
[   11.497069][   T90] 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
[   11.497070][   T90] RSP: 002b:00007ffc181d4420 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.497073][   T90] RAX: ffffffffffffffda RBX: 000055b9fe630f50 RCX: 00007f9e300c954e
[   11.497075][   T90] RDX: 0000000000000030 RSI: 000055b9fe7849a0 RDI: 0000000000000022
[   11.497076][   T90] RBP: 00007ffc181d4430 R08: 00007ffc181d4480 R09: 0000000000000080
[   11.497076][   T90] R10: 0000000000000000 R11: 0000000000000202 R12: 000055b9fe792630


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