======================================
| [   10.863870][  T207] softirqs last disabled at (20963): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.863874][  T207] Preemption disabled at:
| [   10.863874][  T207] 0x0
| [   10.863888][  T207] Tainted: [W]=WARN
[   10.863889][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.863891][  T207] Call Trace:
[   10.863893][  T207]  <TASK>
[   10.863895][  T207]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.863903][  T207]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.863910][  T207]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.863915][  T207]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.863922][  T207]  __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))
[   10.863925][  T207]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.863935][  T207]  ? 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)
[   10.863938][  T207]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.863944][  T207]  put_chars (drivers/char/virtio_console.c:1176)
[   10.863948][  T207]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.863950][  T207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.863955][  T207]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.863967][  T207]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.863980][  T207]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.863984][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.863988][  T207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.863995][  T207]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.864002][  T207]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.864005][  T207]  ? 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))
[   10.864011][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.864014][  T207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.864021][  T207]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.864033][  T207]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.864036][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.864045][  T207]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.864050][  T207]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.864053][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.864055][  T207]  ? 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)
[   10.864062][  T207]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.864064][  T207]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.864069][  T207]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.864074][  T207]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.864079][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.864086][  T207]  _printk (kernel/printk/printk.c:2504)
[   10.864092][  T207]  ? snapshot_read.cold (user.c:?)
[   10.864097][  T207]  ? 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)
[   10.864101][  T207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.864108][  T207]  ? 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)
[   10.864113][  T207]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.864119][  T207]  ? exit_notify (kernel/exit.c:780)
[   10.864121][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.864126][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.864133][  T207]  do_group_exit (kernel/exit.c:1151)
[   10.864138][  T207]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.864142][  T207]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.864145][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.864151][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.864155][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.864159][  T207] RIP: 0033:0x7f18abc791b8
[   10.864162][  T207] Code: Unable to access opcode bytes at 0x7f18abc7918e.

Code starting with the faulting instruction
===========================================
[   10.864163][  T207] RSP: 002b:00007ffe0b326328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.864166][  T207] RAX: ffffffffffffffda RBX: 00007f18abda9f88 RCX: 00007f18abc791b8
[   10.864168][  T207] RDX: 00007f18ab9c3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.864170][  T207] RBP: 00007ffe0b326380 R08: 0000000000000000 R09: 0000000000000050
[   10.864171][  T207] R10: 00007ffe0b326140 R11: 0000000000000246 R12: 0000000000000001
[   10.864173][  T207] R13: 0000000000000000 R14: 00007f18abda8680 R15: 00007f18abda9fa0
| [   12.469180][  T290] softirqs last disabled at (44218): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.469183][  T290] Preemption disabled at:
| [   12.469184][  T290] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.469192][  T290] Tainted: [W]=WARN
[   12.469193][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.469195][  T290] Call Trace:
[   12.469197][  T290]  <TASK>
[   12.469198][  T290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.469204][  T290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.469206][  T290]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.469211][  T290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.469215][  T290]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.469220][  T290]  __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))
[   12.469221][  T290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.469228][  T290]  ? 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)
[   12.469231][  T290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.469235][  T290]  put_chars (drivers/char/virtio_console.c:1176)
[   12.469237][  T290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.469240][  T290]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.469245][  T290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.469253][  T290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.469256][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.469259][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.469263][  T290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.469267][  T290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.469269][  T290]  ? 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))
[   12.469272][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.469274][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.469278][  T290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.469282][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.469284][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.469290][  T290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.469293][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.469294][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.469296][  T290]  ? 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)
[   12.469300][  T290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.469302][  T290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.469305][  T290]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.469308][  T290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.469310][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.469311][  T290]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.469316][  T290]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.469319][  T290]  _printk (kernel/printk/printk.c:2504)
[   12.469323][  T290]  ? snapshot_read.cold (user.c:?)
[   12.469326][  T290]  ? br_multicast_flood (??:?)
[   12.469330][  T290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.469331][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.469332][  T290]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.469337][  T290]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.469341][  T290]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.469343][  T290]  new_nbp (net/bridge/br_if.c:449)
[   12.469347][  T290]  br_add_if (net/bridge/br_if.c:592)
[   12.469350][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.469354][  T290]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.469359][  T290]  do_set_master (net/core/rtnetlink.c:3071)
[   12.469363][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.469366][  T290]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.469370][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.469371][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.469374][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.469378][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.469380][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.469382][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.469384][  T290]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.469387][  T290]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.469388][  T290]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.469389][  T290]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.469392][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.469394][  T290]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.469397][  T290]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.469401][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.469403][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.469405][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.469407][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.469409][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.469410][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.469412][  T290]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.469414][  T290]  ? __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)
[   12.469415][  T290]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.469417][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.469421][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.469422][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.469427][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.469429][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.469434][  T290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.469440][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.469442][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.469446][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.469448][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.469451][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.469453][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.469456][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.469459][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.469462][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.469463][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.469468][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.469470][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.469473][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.469477][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.469480][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.469486][  T290]  ? 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))
[   12.469488][  T290]  ? 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))
[   12.469493][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.469497][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.469500][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.469504][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.469508][  T290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.469512][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.469514][  T290]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.469519][  T290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.469522][  T290]  ____sys_sendmsg (net/socket.c:2713)
[   12.469525][  T290]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.469527][  T290]  ? sock_write_iter (net/socket.c:1269)
[   12.469529][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   12.469536][  T290]  ___sys_sendmsg (net/socket.c:2767)
[   12.469539][  T290]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.469555][  T290]  __sys_sendmsg (net/socket.c:2799)
[   12.469558][  T290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.469565][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.469568][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.469571][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.469574][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.469576][  T290] RIP: 0033:0x7ff47d0fb54e
[   12.469580][  T290] 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
[   12.469582][  T290] RSP: 002b:00007ffcbeb7ef10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.469585][  T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff47d0fb54e
[   12.469586][  T290] RDX: 0000000000000000 RSI: 00007ffcbeb7efc0 RDI: 0000000000000005
[   12.469587][  T290] RBP: 00007ffcbeb7ef20 R08: 0000000000000000 R09: 0000000000000000
[   12.469588][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912637
[   12.469589][  T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbeb7f680
| [   13.730601][  T310] softirqs last disabled at (5278): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.730603][  T310] Preemption disabled at:
| [   13.730604][  T310] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.730613][  T310] Tainted: [W]=WARN
[   13.730614][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.730615][  T310] Call Trace:
[   13.730617][  T310]  <TASK>
[   13.730618][  T310]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.730624][  T310]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.730626][  T310]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.730631][  T310]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.730635][  T310]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.730640][  T310]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.730642][  T310]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.730649][  T310]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.730652][  T310]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.730655][  T310]  put_chars (drivers/char/virtio_console.c:1176)
[   13.730658][  T310]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.730661][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.730664][  T310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.730669][  T310]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.730673][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.730675][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.730680][  T310]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.730683][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.730686][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.730690][  T310]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.730694][  T310]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.730696][  T310]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.730699][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.730701][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.730705][  T310]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.730710][  T310]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.730712][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.730717][  T310]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.730720][  T310]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.730722][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.730724][  T310]  ? 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)
[   13.730728][  T310]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.730730][  T310]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.730732][  T310]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.730736][  T310]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.730738][  T310]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1541)
[   13.730742][  T310]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.730744][  T310]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.730747][  T310]  _printk (kernel/printk/printk.c:2504)
[   13.730751][  T310]  ? snapshot_read.cold (user.c:?)
[   13.730753][  T310]  ? __sys_setsockopt (net/socket.c:2422)
[   13.730758][  T310]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.730762][  T310]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.730766][  T310]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.730769][  T310]  ? netdev_notice (net/core/dev.c:13194)
[   13.730771][  T310]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.730777][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.730779][  T310]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.730782][  T310]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   13.730786][  T310]  dev_set_allmulti (net/core/dev_api.c:315)
[   13.730790][  T310]  vif_add (net/ipv4/ipmr.c:900)
[   13.730792][  T310]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.730795][  T310]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.730799][  T310]  ? ip_mr_output_finish.isra.0 (net/ipv4/ipmr.c:2304)
[   13.730802][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.730804][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.730809][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.730812][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.730816][  T310]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491 (discriminator 1))
[   13.730820][  T310]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2967)
[   13.730825][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.730827][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.730831][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.730833][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.730836][  T310]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   13.730840][  T310]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   13.730843][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.730846][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.730848][  T310]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.730851][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.730854][  T310]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.730855][  T310]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   13.730857][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.730859][  T310]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   13.730861][  T310]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.730864][  T310]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   13.730868][  T310]  raw_setsockopt (net/ipv4/raw.c:851)
[   13.730870][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.730873][  T310]  ? raw_bind (net/ipv4/raw.c:733)
[   13.730877][  T310]  do_sock_setsockopt (net/socket.c:2397)
[   13.730880][  T310]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   13.730882][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.730885][  T310]  ? fd_install (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:971 (discriminator 2) fs/file.c:698 (discriminator 2))
[   13.730890][  T310]  ? fd_install (./include/linux/rcupdate.h:974 (discriminator 1) fs/file.c:698 (discriminator 1))
[   13.730894][  T310]  __sys_setsockopt (net/socket.c:2422)
[   13.730901][  T310]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   13.730904][  T310]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.730909][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.730911][  T310]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.730913][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.730915][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.730917][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.730919][  T310] RIP: 0033:0x7f9c7aecb2de
[   13.730923][  T310] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   13.730925][  T310] RSP: 002b:00007fff6a6ff4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   13.730928][  T310] RAX: ffffffffffffffda RBX: 000055674330e2c0 RCX: 00007f9c7aecb2de
[   13.730929][  T310] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   13.730930][  T310] RBP: 00007fff6a6ff560 R08: 0000000000000010 R09: 0000000000000001
[   13.730931][  T310] R10: 00007fff6a6ff4e0 R11: 0000000000000246 R12: 0000556765c5b0c4
[   13.730932][  T310] R13: 00007fff6a6ff5b0 R14: 0000556765c5b0b0 R15: 0000000000000000
| [   27.786267][    C2] softirqs last disabled at (776751): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.786269][    C2] Preemption disabled at:
| [   27.786270][    C2] 0x0
| [   27.786280][    C2] Tainted: [W]=WARN
[   27.786282][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.786284][    C2] Call Trace:
[   27.786285][    C2]  <IRQ>
[   27.786287][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.786293][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.786297][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.786300][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.786304][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786307][    C2]  __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))
[   27.786310][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.786313][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.786317][    C2]  ? 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)
[   27.786319][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.786322][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   27.786323][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.786325][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.786328][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.786333][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.786335][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786336][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.786339][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.786341][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.786343][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786344][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786346][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.786348][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.786349][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.786352][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.786354][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.786356][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.786358][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.786360][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786361][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.786362][    C2]  ? 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)
[   27.786364][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.786366][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.786368][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.786369][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.786371][    C2]  ? common_startup_64 (arch/x86/kernel/head_64.S:418)
[   27.786375][    C2]  _printk (kernel/printk/printk.c:2504)
[   27.786378][    C2]  ? snapshot_read.cold (user.c:?)
[   27.786379][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.786382][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.786384][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.786386][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.786388][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.786391][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.786393][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.786395][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.786398][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.786399][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.786403][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786404][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.786406][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.786407][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.786409][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.786410][    C2]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.786411][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.786413][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.786416][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.786418][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.786421][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.786423][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.786425][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786426][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.786428][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.786430][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.786432][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.786435][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.786437][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.786439][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.786441][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.786444][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786445][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.786447][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.786449][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.786451][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.786452][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.786454][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.786457][    C2]  </IRQ>
[   27.786457][    C2]  <TASK>
[   27.786458][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.786459][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.786462][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.786465][    C2] 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
[   27.786466][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.786469][    C2] RAX: 00000000000bda2d RBX: ff11000001c1c740 RCX: ffffffffb5906247
[   27.786471][    C2] RDX: ff11000001c1c740 RSI: ffffffffb8b11027 RDI: ffffffffb84949e0
[   27.786472][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.786473][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.786473][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.786475][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.786478][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.786480][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.786482][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.786484][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.786485][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.786488][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.786489][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.786491][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.786493][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.786494][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.786496][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.855837][    C2]
| [   27.855912][    C2]
| [   27.855912][    C2] stack backtrace:
| [   27.856132][    C2] Tainted: [W]=WARN
[   27.856133][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.856135][    C2] Call Trace:
[   27.856137][    C2]  <IRQ>
[   27.856138][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.856143][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.856146][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.856154][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.856156][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.856158][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.856160][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.856162][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.856164][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.856166][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.856168][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.856170][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.856171][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.856172][    C2]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.856174][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.856175][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.856178][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.856179][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.856183][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.856184][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.856186][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.856188][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.856190][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.856192][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.856193][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.856196][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.856199][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.856201][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.856203][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.856206][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.856207][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.856209][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.856211][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.856213][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.856215][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.856216][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.856218][    C2]  </IRQ>
[   27.856218][    C2]  <TASK>
[   27.856219][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.856220][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.856222][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.856225][    C2] 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
[   27.856227][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.856229][    C2] RAX: 00000000000bda2d RBX: ff11000001c1c740 RCX: ffffffffb5906247
[   27.856230][    C2] RDX: ff11000001c1c740 RSI: ffffffffb8b11027 RDI: ffffffffb84949e0
[   27.856231][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.856232][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.856233][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.856234][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.856236][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.856238][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.856239][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.856241][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.856243][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.856245][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.856246][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.856248][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.856249][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.856251][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.856253][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  517.112680][   T12] softirqs last disabled at (9518): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  517.112683][   T12] Preemption disabled at:
| [  517.112683][   T12] 0x0
| [  517.112694][   T12] Tainted: [W]=WARN
[  517.112695][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  517.112697][   T12] Workqueue: netns cleanup_net
[  517.112702][   T12] Call Trace:
[  517.112704][   T12]  <TASK>
[  517.112705][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  517.112711][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  517.112715][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  517.112720][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.112723][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  517.112726][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.112730][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.112735][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  517.112736][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.112739][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  517.112741][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  517.112742][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  517.112745][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  517.112748][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  517.112753][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  517.112754][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.112756][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.112759][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  517.112762][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  517.112764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.112765][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.112766][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.112767][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.112769][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  517.112771][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  517.112773][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  517.112776][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  517.112778][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.112780][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  517.112781][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.112782][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  517.112784][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  517.112786][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  517.112787][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  517.112789][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  517.112791][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  517.112793][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  517.112794][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.112795][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  517.112798][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  517.112800][   T12]  _printk (kernel/printk/printk.c:2504)
[  517.112803][   T12]  ? snapshot_read.cold (user.c:?)
[  517.112805][   T12]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  517.112809][   T12]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  517.112816][   T12]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  517.112818][   T12]  br_device_event (net/bridge/br.c:111)
[  517.112820][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  517.112822][   T12]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  517.112826][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  517.112829][   T12]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  517.112832][   T12]  ? __dev_close_many (net/core/dev.c:1804)
[  517.112834][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  517.112836][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  517.112838][   T12]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  517.112840][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  517.112843][   T12]  ? kthread (kernel/kthread.c:436)
[  517.112845][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  517.112848][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  517.112850][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  517.112852][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  517.112855][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  517.112856][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  517.112857][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.112859][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  517.112861][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  517.112863][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  517.112865][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  517.112868][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  517.112869][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  517.112873][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  517.112874][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  517.112876][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  517.112879][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.112881][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.112882][   T12]  process_one_work (kernel/workqueue.c:3387)
[  517.112885][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  517.112888][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.112891][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  517.112894][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  517.112896][   T12]  kthread (kernel/kthread.c:436)
[  517.112899][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  517.112901][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  517.112904][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  517.112907][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  517.112909][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  517.112912][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars