======================================
| [   10.371037][  T209] softirqs last disabled at (24578): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.371039][  T209] Preemption disabled at:
| [   10.371040][  T209] 0x0
| [   10.371050][  T209] Tainted: [W]=WARN
[   10.371051][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.371052][  T209] Call Trace:
[   10.371054][  T209]  <TASK>
[   10.371056][  T209]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.371062][  T209]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.371066][  T209]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.371070][  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)
[   10.371074][  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))
[   10.371076][  T209]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.371085][  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)
[   10.371087][  T209]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.371091][  T209]  put_chars (drivers/char/virtio_console.c:1176)
[   10.371094][  T209]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.371095][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.371098][  T209]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.371104][  T209]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.371112][  T209]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.371114][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.371116][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.371120][  T209]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.371124][  T209]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.371126][  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))
[   10.371129][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.371130][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.371134][  T209]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.371138][  T209]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.371140][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.371145][  T209]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.371148][  T209]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.371150][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.371151][  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)
[   10.371155][  T209]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.371157][  T209]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.371159][  T209]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.371162][  T209]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.371165][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.371169][  T209]  _printk (kernel/printk/printk.c:2504)
[   10.371172][  T209]  ? snapshot_read.cold (user.c:?)
[   10.371175][  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)
[   10.371177][  T209]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.371181][  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)
[   10.371184][  T209]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.371188][  T209]  ? exit_notify (kernel/exit.c:780)
[   10.371189][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.371192][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.371195][  T209]  do_group_exit (kernel/exit.c:1151)
[   10.371198][  T209]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.371199][  T209]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.371202][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.371206][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.371209][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.371211][  T209] RIP: 0033:0x7f13785d91b8
[   10.371213][  T209] Code: Unable to access opcode bytes at 0x7f13785d918e.

Code starting with the faulting instruction
===========================================
[   10.371214][  T209] RSP: 002b:00007ffd67d841e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.371217][  T209] RAX: ffffffffffffffda RBX: 00007f1378709f88 RCX: 00007f13785d91b8
[   10.371218][  T209] RDX: 00007f1378323fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.371219][  T209] RBP: 00007ffd67d84240 R08: 0000000000000000 R09: 0000000000000050
[   10.371220][  T209] R10: 00007ffd67d84000 R11: 0000000000000246 R12: 0000000000000001
[   10.371220][  T209] R13: 0000000000000000 R14: 00007f1378708680 R15: 00007f1378709fa0
| [   11.806168][  T290] softirqs last disabled at (41614): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.806170][  T290] Preemption disabled at:
| [   11.806171][  T290] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.806179][  T290] Tainted: [W]=WARN
[   11.806180][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.806182][  T290] Call Trace:
[   11.806183][  T290]  <TASK>
[   11.806185][  T290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.806190][  T290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.806192][  T290]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.806196][  T290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.806200][  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)
[   11.806204][  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))
[   11.806206][  T290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.806212][  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)
[   11.806215][  T290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.806219][  T290]  put_chars (drivers/char/virtio_console.c:1176)
[   11.806221][  T290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.806224][  T290]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.806229][  T290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.806237][  T290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.806239][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.806242][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.806246][  T290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.806249][  T290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.806251][  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))
[   11.806254][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.806256][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.806260][  T290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.806264][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.806266][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.806271][  T290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.806274][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.806275][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.806277][  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)
[   11.806281][  T290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.806282][  T290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.806285][  T290]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.806288][  T290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.806290][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.806291][  T290]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.806296][  T290]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.806299][  T290]  _printk (kernel/printk/printk.c:2504)
[   11.806302][  T290]  ? snapshot_read.cold (user.c:?)
[   11.806305][  T290]  ? br_multicast_flood (??:?)
[   11.806309][  T290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.806310][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.806311][  T290]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.806316][  T290]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.806319][  T290]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.806322][  T290]  new_nbp (net/bridge/br_if.c:449)
[   11.806325][  T290]  br_add_if (net/bridge/br_if.c:592)
[   11.806328][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.806331][  T290]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.806337][  T290]  do_set_master (net/core/rtnetlink.c:3071)
[   11.806340][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.806343][  T290]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.806347][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.806348][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.806351][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.806354][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.806356][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.806358][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.806360][  T290]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.806362][  T290]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.806364][  T290]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.806365][  T290]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.806367][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.806369][  T290]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.806372][  T290]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.806376][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.806378][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.806380][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.806382][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.806383][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.806384][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.806386][  T290]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.806388][  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)
[   11.806390][  T290]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.806391][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.806395][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.806396][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.806401][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.806403][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.806408][  T290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.806413][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.806415][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.806419][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.806421][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.806423][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.806425][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.806429][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.806431][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.806434][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.806435][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.806439][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.806441][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.806445][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.806448][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.806450][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.806457][  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))
[   11.806459][  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))
[   11.806463][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.806467][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.806469][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.806473][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.806477][  T290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.806481][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.806482][  T290]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.806488][  T290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.806490][  T290]  ____sys_sendmsg (net/socket.c:2713)
[   11.806493][  T290]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.806495][  T290]  ? sock_write_iter (net/socket.c:1269)
[   11.806496][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   11.806503][  T290]  ___sys_sendmsg (net/socket.c:2767)
[   11.806506][  T290]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.806522][  T290]  __sys_sendmsg (net/socket.c:2799)
[   11.806524][  T290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.806530][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.806533][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.806536][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.806539][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.806541][  T290] RIP: 0033:0x7f0852d1754e
[   11.806545][  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
[   11.806546][  T290] RSP: 002b:00007ffcab79bf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.806549][  T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0852d1754e
[   11.806550][  T290] RDX: 0000000000000000 RSI: 00007ffcab79bfd0 RDI: 0000000000000005
[   11.806551][  T290] RBP: 00007ffcab79bf30 R08: 0000000000000000 R09: 0000000000000000
[   11.806552][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916819
[   11.806553][  T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcab79c690
| [   12.899372][  T310] softirqs last disabled at (5182): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.899375][  T310] Preemption disabled at:
| [   12.899375][  T310] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.899383][  T310] Tainted: [W]=WARN
[   12.899384][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.899386][  T310] Call Trace:
[   12.899387][  T310]  <TASK>
[   12.899389][  T310]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.899396][  T310]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.899397][  T310]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.899401][  T310]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.899406][  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)
[   12.899410][  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))
[   12.899412][  T310]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.899418][  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)
[   12.899421][  T310]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.899425][  T310]  put_chars (drivers/char/virtio_console.c:1176)
[   12.899427][  T310]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.899431][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.899434][  T310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.899438][  T310]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.899443][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.899444][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.899449][  T310]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.899452][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.899455][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.899459][  T310]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.899463][  T310]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.899464][  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))
[   12.899468][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.899469][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.899473][  T310]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.899477][  T310]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.899479][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.899484][  T310]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.899487][  T310]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.899489][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.899491][  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)
[   12.899494][  T310]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.899496][  T310]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.899499][  T310]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.899502][  T310]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.899505][  T310]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1541)
[   12.899508][  T310]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.899510][  T310]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.899513][  T310]  _printk (kernel/printk/printk.c:2504)
[   12.899517][  T310]  ? snapshot_read.cold (user.c:?)
[   12.899518][  T310]  ? __sys_setsockopt (net/socket.c:2422)
[   12.899524][  T310]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.899527][  T310]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.899531][  T310]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.899534][  T310]  ? netdev_notice (net/core/dev.c:13194)
[   12.899535][  T310]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.899541][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.899544][  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)
[   12.899546][  T310]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   12.899550][  T310]  dev_set_allmulti (net/core/dev_api.c:315)
[   12.899554][  T310]  vif_add (net/ipv4/ipmr.c:900)
[   12.899556][  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)
[   12.899559][  T310]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.899562][  T310]  ? ip_mr_output_finish.isra.0 (net/ipv4/ipmr.c:2310)
[   12.899566][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.899567][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.899572][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.899575][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.899579][  T310]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[   12.899583][  T310]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[   12.899588][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.899589][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.899594][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.899595][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.899599][  T310]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   12.899602][  T310]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   12.899605][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.899608][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.899609][  T310]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.899613][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.899615][  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)
[   12.899617][  T310]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.899618][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.899620][  T310]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   12.899622][  T310]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.899625][  T310]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   12.899629][  T310]  raw_setsockopt (net/ipv4/raw.c:851)
[   12.899631][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.899634][  T310]  ? raw_bind (net/ipv4/raw.c:733)
[   12.899638][  T310]  do_sock_setsockopt (net/socket.c:2397)
[   12.899641][  T310]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.899643][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.899646][  T310]  ? fd_install (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:971 (discriminator 2) fs/file.c:698 (discriminator 2))
[   12.899651][  T310]  ? fd_install (./include/linux/rcupdate.h:974 (discriminator 1) fs/file.c:698 (discriminator 1))
[   12.899655][  T310]  __sys_setsockopt (net/socket.c:2422)
[   12.899659][  T310]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   12.899661][  T310]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.899665][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.899666][  T310]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.899668][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.899670][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.899672][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.899674][  T310] RIP: 0033:0x7f2cfc9aa2de
[   12.899678][  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
[   12.899680][  T310] RSP: 002b:00007ffef7a744c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   12.899682][  T310] RAX: ffffffffffffffda RBX: 000055677fe912c0 RCX: 00007f2cfc9aa2de
[   12.899684][  T310] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   12.899684][  T310] RBP: 00007ffef7a74580 R08: 0000000000000010 R09: 0000000000000001
[   12.899685][  T310] R10: 00007ffef7a74500 R11: 0000000000000246 R12: 000055678cadc0c4
[   12.899686][  T310] R13: 00007ffef7a745d0 R14: 000055678cadc0b0 R15: 0000000000000000
| [   27.077189][    C0] softirqs last disabled at (662099): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.077191][    C0] Preemption disabled at:
| [   27.077192][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.077202][    C0] Tainted: [W]=WARN
[   27.077203][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.077205][    C0] Call Trace:
[   27.077207][    C0]  <IRQ>
[   27.077208][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.077213][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.077215][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.077219][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.077222][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.077226][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077228][    C0]  __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))
[   27.077231][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.077234][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.077238][    C0]  ? 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)
[   27.077240][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.077242][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.077244][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.077245][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.077248][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.077253][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.077255][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077256][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.077258][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.077261][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.077263][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077264][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077265][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.077267][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.077269][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.077271][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.077274][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.077275][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.077277][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.077278][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077279][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.077281][    C0]  ? 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)
[   27.077282][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.077284][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.077286][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.077288][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.077289][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077290][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.077291][    C0]  ? x86_64_start_kernel (./arch/x86/include/asm/page_64.h:103 ./arch/x86/include/asm/page_64.h:114 arch/x86/kernel/head64.c:255)
[   27.077296][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.077298][    C0]  ? snapshot_read.cold (user.c:?)
[   27.077300][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.077303][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.077304][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.077306][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.077308][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.077311][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.077313][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.077315][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.077317][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.077319][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.077322][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077323][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.077324][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.077326][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.077327][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.077328][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.077330][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.077331][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.077334][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.077336][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.077339][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.077341][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.077343][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077344][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.077346][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.077348][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.077349][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.077352][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.077354][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.077356][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.077358][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.077361][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077362][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.077364][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.077366][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.077368][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.077369][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.077371][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.077373][    C0]  </IRQ>
[   27.077373][    C0]  <TASK>
[   27.077374][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.077376][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.077378][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.077380][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.077382][    C0] RSP: 0018:ffffffff8d807cf8 EFLAGS: 00000296
[   27.077385][    C0] RAX: 00000000000a1a51 RBX: ffffffff8d830600 RCX: ffffffff89f06247
[   27.077386][    C0] RDX: ffffffff8d830600 RSI: ffffffff8d111027 RDI: ffffffff8ca949e0
[   27.077387][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.077388][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1b00fa2
[   27.077388][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.077390][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.077393][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.077395][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.077396][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.077398][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.077399][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.077401][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.077403][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.077405][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.077406][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.077408][    C0]  rest_init (init/main.c:727)
[   27.077410][    C0]  ? __cpuidle_text_end (??:?)
[   27.077412][    C0]  ? rest_init (init/main.c:727)
[   27.077414][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.077417][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.077419][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.077421][    C0]  start_kernel (init/main.c:1185)
[   27.077424][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.077425][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.077427][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.146915][    C0]
| [   27.146987][    C0]
| [   27.146987][    C0] stack backtrace:
| [   27.147224][    C0] Tainted: [W]=WARN
[   27.147225][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.147226][    C0] Call Trace:
[   27.147227][    C0]  <IRQ>
[   27.147228][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.147232][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.147235][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.147238][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.147240][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.147241][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.147244][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.147245][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.147247][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.147249][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.147251][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.147252][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.147254][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.147255][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.147256][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.147258][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.147260][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.147261][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.147264][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.147266][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.147268][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.147269][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.147271][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.147273][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.147275][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.147277][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.147280][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.147282][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.147284][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.147286][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.147288][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.147289][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.147291][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.147293][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.147295][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.147296][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.147298][    C0]  </IRQ>
[   27.147298][    C0]  <TASK>
[   27.147299][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.147300][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.147302][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.147304][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.147306][    C0] RSP: 0018:ffffffff8d807cf8 EFLAGS: 00000296
[   27.147307][    C0] RAX: 00000000000a1a51 RBX: ffffffff8d830600 RCX: ffffffff89f06247
[   27.147309][    C0] RDX: ffffffff8d830600 RSI: ffffffff8d111027 RDI: ffffffff8ca949e0
[   27.147309][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.147310][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1b00fa2
[   27.147311][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.147313][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.147315][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.147316][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.147318][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.147319][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.147321][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.147322][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.147325][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.147326][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.147328][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.147329][    C0]  rest_init (init/main.c:727)
[   27.147331][    C0]  ? __cpuidle_text_end (??:?)
[   27.147334][    C0]  ? rest_init (init/main.c:727)
[   27.147335][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.147338][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.147340][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.147342][    C0]  start_kernel (init/main.c:1185)
[   27.147344][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.147345][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.147347][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  482.346628][   T12] softirqs last disabled at (9806): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  482.346630][   T12] Preemption disabled at:
| [  482.346630][   T12] 0x0
| [  482.346640][   T12] Tainted: [W]=WARN
[  482.346641][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.346643][   T12] Workqueue: netns cleanup_net
[  482.346649][   T12] Call Trace:
[  482.346651][   T12]  <TASK>
[  482.346652][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.346658][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.346662][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.346666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.346669][   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))
[  482.346672][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.346675][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.346679][   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)
[  482.346681][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.346684][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  482.346685][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.346686][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  482.346689][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  482.346692][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.346697][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.346698][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.346700][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.346702][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.346705][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.346707][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.346708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.346709][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.346710][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.346711][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  482.346713][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.346716][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.346718][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.346720][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.346721][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.346723][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.346724][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.346725][   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)
[  482.346727][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  482.346728][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.346730][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.346732][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.346733][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.346734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.346735][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.346738][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  482.346740][   T12]  _printk (kernel/printk/printk.c:2504)
[  482.346743][   T12]  ? snapshot_read.cold (user.c:?)
[  482.346745][   T12]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  482.346748][   T12]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  482.346752][   T12]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  482.346754][   T12]  br_device_event (net/bridge/br.c:111)
[  482.346756][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  482.346758][   T12]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  482.346761][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  482.346764][   T12]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  482.346767][   T12]  ? __dev_close_many (net/core/dev.c:1804)
[  482.346769][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  482.346771][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  482.346773][   T12]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  482.346774][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  482.346777][   T12]  ? kthread (kernel/kthread.c:436)
[  482.346779][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  482.346782][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  482.346784][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  482.346785][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  482.346788][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  482.346789][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  482.346790][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.346792][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  482.346793][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.346795][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  482.346798][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  482.346800][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  482.346801][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  482.346805][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  482.346806][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  482.346808][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.346810][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.346811][   T12]  process_one_work (kernel/workqueue.c:3387)
[  482.346814][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  482.346816][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  482.346818][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.346820][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  482.346823][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  482.346824][   T12]  kthread (kernel/kthread.c:436)
[  482.346826][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.346827][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  482.346829][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  482.346831][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  482.346833][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  482.346836][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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