======================================
| [    9.562867][  T209] softirqs last disabled at (25987): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.562870][  T209] Preemption disabled at:
| [    9.562870][  T209] 0x0
| [    9.562880][  T209] Tainted: [W]=WARN
[    9.562881][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.562883][  T209] Call Trace:
[    9.562884][  T209]  <TASK>
[    9.562886][  T209]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.562893][  T209]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.562897][  T209]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.562901][  T209]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.562906][  T209]  __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))
[    9.562907][  T209]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.562915][  T209]  ? 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)
[    9.562917][  T209]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.562921][  T209]  put_chars (drivers/char/virtio_console.c:1176)
[    9.562923][  T209]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.562925][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.562928][  T209]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.562933][  T209]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.562941][  T209]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.562943][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.562945][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.562949][  T209]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.562953][  T209]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.562955][  T209]  ? 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))
[    9.562958][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.562959][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.562963][  T209]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.562967][  T209]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.562969][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.562974][  T209]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.562977][  T209]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.562984][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.562985][  T209]  ? 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)
[    9.562989][  T209]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.562991][  T209]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.562993][  T209]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.562996][  T209]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.562999][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.563003][  T209]  _printk (kernel/printk/printk.c:2504)
[    9.563006][  T209]  ? snapshot_read.cold (user.c:?)
[    9.563009][  T209]  ? 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)
[    9.563012][  T209]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.563015][  T209]  ? 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)
[    9.563018][  T209]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.563022][  T209]  ? exit_notify (kernel/exit.c:780)
[    9.563023][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.563026][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.563029][  T209]  do_group_exit (kernel/exit.c:1151)
[    9.563032][  T209]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.563034][  T209]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.563036][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.563041][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.563044][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.563046][  T209] RIP: 0033:0x7f433e6271b8
[    9.563048][  T209] Code: Unable to access opcode bytes at 0x7f433e62718e.

Code starting with the faulting instruction
===========================================
[    9.563049][  T209] RSP: 002b:00007ffec6ee17c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.563051][  T209] RAX: ffffffffffffffda RBX: 00007f433e757f88 RCX: 00007f433e6271b8
[    9.563053][  T209] RDX: 00007f433e371fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.563054][  T209] RBP: 00007ffec6ee1820 R08: 0000000000000000 R09: 0000000000000050
[    9.563054][  T209] R10: 00007ffec6ee15e0 R11: 0000000000000246 R12: 0000000000000001
[    9.563055][  T209] R13: 0000000000000000 R14: 00007f433e756680 R15: 00007f433e757fa0
| [   10.904300][  T291] softirqs last disabled at (39142): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.904302][  T291] Preemption disabled at:
| [   10.904303][  T291] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.904311][  T291] Tainted: [W]=WARN
[   10.904312][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.904314][  T291] Call Trace:
[   10.904315][  T291]  <TASK>
[   10.904317][  T291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.904323][  T291]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.904324][  T291]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.904331][  T291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.904335][  T291]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.904339][  T291]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.904341][  T291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.904348][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.904351][  T291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.904354][  T291]  put_chars (drivers/char/virtio_console.c:1176)
[   10.904357][  T291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.904360][  T291]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.904365][  T291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.904372][  T291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.904375][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.904378][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.904382][  T291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.904385][  T291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.904387][  T291]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.904390][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.904392][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.904396][  T291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.904400][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.904402][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.904407][  T291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.904410][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.904412][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.904414][  T291]  ? 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)
[   10.904418][  T291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.904419][  T291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.904422][  T291]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.904425][  T291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.904427][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.904428][  T291]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.904433][  T291]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.904436][  T291]  _printk (kernel/printk/printk.c:2504)
[   10.904439][  T291]  ? snapshot_read.cold (user.c:?)
[   10.904443][  T291]  ? br_multicast_flood (??:?)
[   10.904446][  T291]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.904447][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.904449][  T291]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.904453][  T291]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   10.904457][  T291]  br_init_port (net/bridge/br_stp_if.c:39)
[   10.904459][  T291]  new_nbp (net/bridge/br_if.c:449)
[   10.904463][  T291]  br_add_if (net/bridge/br_if.c:592)
[   10.904465][  T291]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.904469][  T291]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.904474][  T291]  do_set_master (net/core/rtnetlink.c:3071)
[   10.904477][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.904481][  T291]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.904484][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.904485][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.904488][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.904491][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.904493][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.904495][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.904498][  T291]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.904500][  T291]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.904501][  T291]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.904503][  T291]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.904505][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.904507][  T291]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   10.904510][  T291]  ? ___sys_sendmsg (net/socket.c:2758)
[   10.904513][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.904515][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.904518][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.904520][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.904521][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.904522][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.904524][  T291]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.904526][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.904527][  T291]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.904529][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.904533][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.904534][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.904538][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.904541][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.904546][  T291]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.904551][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.904553][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.904557][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.904559][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.904561][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.904563][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.904567][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.904569][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.904572][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.904573][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.904577][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.904579][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.904583][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.904586][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.904589][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.904595][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.904597][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.904601][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.904605][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.904608][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.904612][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.904616][  T291]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.904619][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.904621][  T291]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   10.904626][  T291]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.904629][  T291]  ____sys_sendmsg (net/socket.c:2713)
[   10.904631][  T291]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.904633][  T291]  ? sock_write_iter (net/socket.c:1269)
[   10.904635][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   10.904642][  T291]  ___sys_sendmsg (net/socket.c:2767)
[   10.904645][  T291]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.904660][  T291]  __sys_sendmsg (net/socket.c:2799)
[   10.904663][  T291]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.904669][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.904672][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.904675][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.904678][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.904680][  T291] RIP: 0033:0x7f356dba054e
[   10.904684][  T291] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.904686][  T291] RSP: 002b:00007ffeaafb8dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.904688][  T291] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f356dba054e
[   10.904690][  T291] RDX: 0000000000000000 RSI: 00007ffeaafb8e80 RDI: 0000000000000005
[   10.904691][  T291] RBP: 00007ffeaafb8de0 R08: 0000000000000000 R09: 0000000000000000
[   10.904691][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911313
[   10.904692][  T291] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaafb9540
| [   11.931263][  T312] softirqs last disabled at (5070): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.931266][  T312] Preemption disabled at:
| [   11.931266][  T312] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.931274][  T312] Tainted: [W]=WARN
[   11.931275][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.931277][  T312] Call Trace:
[   11.931278][  T312]  <TASK>
[   11.931280][  T312]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.931285][  T312]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.931287][  T312]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.931291][  T312]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.931295][  T312]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.931299][  T312]  __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))
[   11.931301][  T312]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.931308][  T312]  ? 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)
[   11.931311][  T312]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.931314][  T312]  put_chars (drivers/char/virtio_console.c:1176)
[   11.931317][  T312]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.931320][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.931323][  T312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.931329][  T312]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.931334][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.931335][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.931340][  T312]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.931344][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.931346][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.931350][  T312]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.931354][  T312]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.931356][  T312]  ? 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))
[   11.931359][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.931360][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.931364][  T312]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.931368][  T312]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.931370][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.931375][  T312]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.931378][  T312]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.931380][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.931381][  T312]  ? 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)
[   11.931385][  T312]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.931387][  T312]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.931389][  T312]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.931392][  T312]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.931395][  T312]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1541)
[   11.931398][  T312]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.931401][  T312]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.931404][  T312]  _printk (kernel/printk/printk.c:2504)
[   11.931407][  T312]  ? snapshot_read.cold (user.c:?)
[   11.931409][  T312]  ? __sys_setsockopt (net/socket.c:2422)
[   11.931414][  T312]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.931417][  T312]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.931421][  T312]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.931424][  T312]  ? netdev_notice (net/core/dev.c:13194)
[   11.931426][  T312]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.931431][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.931434][  T312]  ? 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)
[   11.931436][  T312]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   11.931440][  T312]  dev_set_allmulti (net/core/dev_api.c:315)
[   11.931444][  T312]  vif_add (net/ipv4/ipmr.c:900)
[   11.931446][  T312]  ? __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)
[   11.931448][  T312]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.931452][  T312]  ? ip_mr_output_finish.isra.0 (net/ipv4/ipmr.c:2304)
[   11.931455][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.931457][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.931461][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.931464][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.931468][  T312]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491 (discriminator 1))
[   11.931472][  T312]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2967)
[   11.931476][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.931478][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.931482][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.931484][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.931487][  T312]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   11.931491][  T312]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   11.931493][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.931496][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.931498][  T312]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.931501][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.931503][  T312]  ? 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)
[   11.931505][  T312]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.931507][  T312]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.931508][  T312]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   11.931510][  T312]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.931513][  T312]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   11.931517][  T312]  raw_setsockopt (net/ipv4/raw.c:851)
[   11.931519][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.931521][  T312]  ? raw_bind (net/ipv4/raw.c:733)
[   11.931526][  T312]  do_sock_setsockopt (net/socket.c:2397)
[   11.931528][  T312]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.931530][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.931533][  T312]  ? fd_install (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:971 (discriminator 2) fs/file.c:698 (discriminator 2))
[   11.931537][  T312]  ? fd_install (./include/linux/rcupdate.h:974 (discriminator 1) fs/file.c:698 (discriminator 1))
[   11.931541][  T312]  __sys_setsockopt (net/socket.c:2422)
[   11.931546][  T312]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   11.931548][  T312]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.931551][  T312]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.931553][  T312]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.931554][  T312]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.931556][  T312]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.931559][  T312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.931561][  T312] RIP: 0033:0x7f76f1c952de
[   11.931564][  T312] 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
[   11.931566][  T312] RSP: 002b:00007ffc7cc5d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.931568][  T312] RAX: ffffffffffffffda RBX: 000055ad4536a2c0 RCX: 00007f76f1c952de
[   11.931570][  T312] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   11.931571][  T312] RBP: 00007ffc7cc5d220 R08: 0000000000000010 R09: 0000000000000001
[   11.931571][  T312] R10: 00007ffc7cc5d1a0 R11: 0000000000000246 R12: 000055ad493f90c4
[   11.931572][  T312] R13: 00007ffc7cc5d270 R14: 000055ad493f90b0 R15: 0000000000000000
| [   26.067420][    C1] softirqs last disabled at (649199): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.067422][    C1] Preemption disabled at:
| [   26.067423][    C1] 0x0
| [   26.067433][    C1] Tainted: [W]=WARN
[   26.067434][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.067435][    C1] Call Trace:
[   26.067437][    C1]  <IRQ>
[   26.067438][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.067444][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.067448][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.067451][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.067455][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067457][    C1]  __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))
[   26.067460][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.067463][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.067468][    C1]  ? 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)
[   26.067469][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.067472][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   26.067474][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.067475][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.067478][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.067483][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.067485][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067486][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.067489][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.067491][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.067493][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067494][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067495][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.067497][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.067499][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.067501][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.067504][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.067506][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.067507][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.067509][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067510][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.067511][    C1]  ? 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)
[   26.067513][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.067515][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.067517][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.067518][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.067519][    C1]  ? common_startup_64 (arch/x86/kernel/head_64.S:418)
[   26.067523][    C1]  _printk (kernel/printk/printk.c:2504)
[   26.067526][    C1]  ? snapshot_read.cold (user.c:?)
[   26.067528][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.067531][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.067532][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.067534][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.067536][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.067539][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.067541][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.067543][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.067545][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.067547][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   26.067550][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067551][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.067553][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   26.067554][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.067555][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   26.067556][    C1]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   26.067558][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   26.067559][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   26.067563][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.067565][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.067567][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.067569][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.067571][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067573][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.067574][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   26.067576][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.067578][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.067581][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.067583][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.067585][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.067587][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.067590][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067591][    C1]  handle_softirqs (kernel/softirq.c:645)
[   26.067593][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.067594][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.067596][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.067598][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   26.067600][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.067602][    C1]  </IRQ>
[   26.067603][    C1]  <TASK>
[   26.067603][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.067605][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.067607][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.067609][    C1] 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
[   26.067611][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   26.067614][    C1] RAX: 000000000009e7ed RBX: ff11000001c1a3c0 RCX: ffffffff95106247
[   26.067616][    C1] RDX: ff11000001c1a3c0 RSI: ffffffff98311027 RDI: ffffffff97c949e0
[   26.067617][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.067618][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   26.067618][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.067620][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.067623][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.067625][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   26.067627][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.067628][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   26.067630][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.067632][    C1]  ? trace_sched_exit_tp (./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/sched.h:886)
[   26.067634][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.067636][    C1]  do_idle (kernel/sched/idle.c:355)
[   26.067637][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.067639][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.067640][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.067642][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.125328][    C1]
| [   26.125391][    C1]
| [   26.125391][    C1] stack backtrace:
| [   26.125597][    C1] Tainted: [W]=WARN
[   26.125598][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.125599][    C1] Call Trace:
[   26.125600][    C1]  <IRQ>
[   26.125601][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.125604][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.125607][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.125610][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.125612][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.125614][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.125617][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.125618][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   26.125620][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.125622][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.125624][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   26.125625][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.125627][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   26.125628][    C1]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   26.125629][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   26.125631][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   26.125633][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.125635][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.125637][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.125639][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.125641][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.125642][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.125644][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   26.125646][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.125648][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.125650][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.125653][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.125655][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.125657][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.125659][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.125660][    C1]  handle_softirqs (kernel/softirq.c:645)
[   26.125662][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.125664][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.125666][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.125667][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   26.125669][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.125670][    C1]  </IRQ>
[   26.125671][    C1]  <TASK>
[   26.125671][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.125673][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.125674][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.125676][    C1] 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
[   26.125677][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   26.125679][    C1] RAX: 000000000009e7ed RBX: ff11000001c1a3c0 RCX: ffffffff95106247
[   26.125680][    C1] RDX: ff11000001c1a3c0 RSI: ffffffff98311027 RDI: ffffffff97c949e0
[   26.125681][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.125682][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   26.125682][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.125684][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.125686][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.125687][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   26.125689][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.125690][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   26.125692][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.125694][    C1]  ? trace_sched_exit_tp (./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/sched.h:886)
[   26.125696][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.125697][    C1]  do_idle (kernel/sched/idle.c:355)
[   26.125699][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.125701][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.125702][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.125704][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  483.000550][   T12] softirqs last disabled at (8616): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  483.000552][   T12] Preemption disabled at:
| [  483.000553][   T12] 0x0
| [  483.000563][   T12] Tainted: [W]=WARN
[  483.000564][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  483.000565][   T12] Workqueue: netns cleanup_net
[  483.000571][   T12] Call Trace:
[  483.000572][   T12]  <TASK>
[  483.000574][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  483.000580][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  483.000584][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  483.000588][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.000591][   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))
[  483.000593][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.000596][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.000601][   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)
[  483.000602][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.000605][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  483.000606][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  483.000607][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  483.000610][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  483.000613][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  483.000618][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  483.000619][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.000621][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.000623][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  483.000626][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  483.000628][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.000629][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.000630][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.000631][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.000633][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  483.000635][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  483.000637][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  483.000640][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  483.000642][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.000643][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  483.000645][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.000646][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.000648][   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)
[  483.000649][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  483.000650][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  483.000652][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  483.000654][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  483.000655][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  483.000657][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.000658][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  483.000661][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  483.000663][   T12]  _printk (kernel/printk/printk.c:2504)
[  483.000666][   T12]  ? snapshot_read.cold (user.c:?)
[  483.000668][   T12]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  483.000671][   T12]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  483.000674][   T12]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  483.000676][   T12]  br_device_event (net/bridge/br.c:111)
[  483.000679][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  483.000681][   T12]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  483.000684][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  483.000687][   T12]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  483.000689][   T12]  ? __dev_close_many (net/core/dev.c:1804)
[  483.000692][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  483.000694][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  483.000695][   T12]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  483.000697][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  483.000700][   T12]  ? kthread (kernel/kthread.c:436)
[  483.000702][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  483.000704][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  483.000706][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  483.000708][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  483.000710][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  483.000712][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  483.000713][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.000715][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  483.000716][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  483.000718][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  483.000720][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  483.000722][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  483.000724][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  483.000727][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  483.000729][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  483.000730][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.000732][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.000734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.000735][   T12]  process_one_work (kernel/workqueue.c:3387)
[  483.000738][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  483.000740][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.000742][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.000744][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  483.000751][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  483.000753][   T12]  kthread (kernel/kthread.c:436)
[  483.000755][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  483.000756][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  483.000758][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  483.000760][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  483.000762][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  483.000764][   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