======================================
| [   11.006140][  T210] softirqs last disabled at (56318): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   11.006142][  T210] Preemption disabled at:
| [   11.006143][  T210] 0x0
| [   11.006154][  T210] Tainted: [W]=WARN
[   11.006155][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.006156][  T210] Call Trace:
[   11.006158][  T210]  <TASK>
[   11.006159][  T210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.006166][  T210]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.006171][  T210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.006175][  T210]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.006180][  T210]  __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))
[   11.006182][  T210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.006188][  T210]  ? 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)
[   11.006191][  T210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.006194][  T210]  put_chars (drivers/char/virtio_console.c:1176)
[   11.006197][  T210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.006198][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.006202][  T210]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.006207][  T210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.006214][  T210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.006217][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.006219][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.006223][  T210]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.006227][  T210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.006229][  T210]  ? 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))
[   11.006232][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.006234][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.006238][  T210]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.006242][  T210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.006244][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.006249][  T210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.006252][  T210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.006254][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.006256][  T210]  ? 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)
[   11.006260][  T210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.006261][  T210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.006264][  T210]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.006267][  T210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.006270][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.006274][  T210]  _printk (kernel/printk/printk.c:2504)
[   11.006277][  T210]  ? snapshot_read.cold (user.c:?)
[   11.006280][  T210]  ? 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)
[   11.006283][  T210]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.006287][  T210]  ? 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)
[   11.006289][  T210]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.006293][  T210]  ? exit_notify (kernel/exit.c:780)
[   11.006295][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.006297][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.006301][  T210]  do_group_exit (kernel/exit.c:1151)
[   11.006304][  T210]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.006306][  T210]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.006308][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.006312][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.006315][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.006317][  T210] RIP: 0033:0x7f21d737a1b8
[   11.006319][  T210] Code: Unable to access opcode bytes at 0x7f21d737a18e.

Code starting with the faulting instruction
===========================================
[   11.006321][  T210] RSP: 002b:00007ffe82cedf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.006323][  T210] RAX: ffffffffffffffda RBX: 00007f21d74aaf88 RCX: 00007f21d737a1b8
[   11.006324][  T210] RDX: 00007f21d70c4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.006325][  T210] RBP: 00007ffe82cedf70 R08: 0000000000000000 R09: 0000000000008010
[   11.006326][  T210] R10: 00007ffe82cedd30 R11: 0000000000000246 R12: 0000000000000001
[   11.006327][  T210] R13: 0000000000000000 R14: 00007f21d74a9680 R15: 00007f21d74aafa0
| [   12.408488][  T290] softirqs last disabled at (36112): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.408490][  T290] Preemption disabled at:
| [   12.408491][  T290] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.408500][  T290] Tainted: [W]=WARN
[   12.408501][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.408503][  T290] Call Trace:
[   12.408504][  T290]  <TASK>
[   12.408506][  T290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.408512][  T290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.408513][  T290]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.408518][  T290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.408522][  T290]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.408527][  T290]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.408529][  T290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.408535][  T290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.408538][  T290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.408542][  T290]  put_chars (drivers/char/virtio_console.c:1176)
[   12.408544][  T290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.408547][  T290]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.408552][  T290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.408559][  T290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.408562][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.408565][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.408569][  T290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.408572][  T290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.408574][  T290]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.408577][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.408579][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.408583][  T290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.408588][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.408590][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.408595][  T290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.408598][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.408600][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.408601][  T290]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.408605][  T290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.408607][  T290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.408609][  T290]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.408612][  T290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.408614][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.408616][  T290]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.408620][  T290]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.408623][  T290]  _printk (kernel/printk/printk.c:2504)
[   12.408626][  T290]  ? snapshot_read.cold (user.c:?)
[   12.408630][  T290]  ? br_multicast_flood (??:?)
[   12.408633][  T290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.408635][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.408636][  T290]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.408640][  T290]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.408644][  T290]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.408647][  T290]  new_nbp (net/bridge/br_if.c:449)
[   12.408650][  T290]  br_add_if (net/bridge/br_if.c:592)
[   12.408653][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.408657][  T290]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.408662][  T290]  do_set_master (net/core/rtnetlink.c:3071)
[   12.408666][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.408669][  T290]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.408672][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.408673][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.408676][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.408680][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.408682][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.408684][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.408686][  T290]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.408688][  T290]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.408690][  T290]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.408691][  T290]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.408693][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.408695][  T290]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.408698][  T290]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.408702][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.408704][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.408706][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.408708][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.408709][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.408710][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.408712][  T290]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.408714][  T290]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.408716][  T290]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.408718][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.408721][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.408722][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.408727][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.408729][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.408734][  T290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.408739][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.408741][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.408746][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.408748][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.408750][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.408751][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.408755][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.408757][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.408760][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.408762][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.408766][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.408768][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.408771][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.408774][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.408781][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.408788][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.408790][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.408794][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.408798][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.408801][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.408805][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.408809][  T290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.408813][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.408815][  T290]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.408820][  T290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.408823][  T290]  ____sys_sendmsg (net/socket.c:2713)
[   12.408825][  T290]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.408827][  T290]  ? sock_write_iter (net/socket.c:1269)
[   12.408829][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   12.408836][  T290]  ___sys_sendmsg (net/socket.c:2767)
[   12.408838][  T290]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.408854][  T290]  __sys_sendmsg (net/socket.c:2799)
[   12.408857][  T290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.408863][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.408866][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.408869][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.408871][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.408874][  T290] RIP: 0033:0x7efdd507354e
[   12.408879][  T290] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.408881][  T290] RSP: 002b:00007ffd83a96b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.408884][  T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdd507354e
[   12.408885][  T290] RDX: 0000000000000000 RSI: 00007ffd83a96bd0 RDI: 0000000000000005
[   12.408886][  T290] RBP: 00007ffd83a96b30 R08: 0000000000000000 R09: 0000000000000000
[   12.408887][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e7c2
[   12.408888][  T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd83a97290
| [   13.556844][  T310] softirqs last disabled at (5112): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.556847][  T310] Preemption disabled at:
| [   13.556847][  T310] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.556857][  T310] Tainted: [W]=WARN
[   13.556858][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.556860][  T310] Call Trace:
[   13.556861][  T310]  <TASK>
[   13.556863][  T310]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.556869][  T310]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.556871][  T310]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.556876][  T310]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.556883][  T310]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.556888][  T310]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.556889][  T310]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.556896][  T310]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.556899][  T310]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.556903][  T310]  put_chars (drivers/char/virtio_console.c:1176)
[   13.556906][  T310]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.556909][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.556912][  T310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.556917][  T310]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.556921][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.556923][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.556927][  T310]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.556931][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.556933][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.556937][  T310]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.556941][  T310]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.556943][  T310]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.556946][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.556948][  T310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.556952][  T310]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.556956][  T310]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.556958][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.556964][  T310]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.556967][  T310]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.556969][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.556970][  T310]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.556974][  T310]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.556976][  T310]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.556979][  T310]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.556982][  T310]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.556985][  T310]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1541)
[   13.556988][  T310]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.556991][  T310]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.556994][  T310]  _printk (kernel/printk/printk.c:2504)
[   13.556997][  T310]  ? snapshot_read.cold (user.c:?)
[   13.556999][  T310]  ? __sys_setsockopt (net/socket.c:2422)
[   13.557004][  T310]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.557008][  T310]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.557012][  T310]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.557015][  T310]  ? netdev_notice (net/core/dev.c:13194)
[   13.557016][  T310]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.557022][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.557025][  T310]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.557027][  T310]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   13.557031][  T310]  dev_set_allmulti (net/core/dev_api.c:315)
[   13.557035][  T310]  vif_add (net/ipv4/ipmr.c:900)
[   13.557037][  T310]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.557040][  T310]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.557044][  T310]  ? ip_mr_output_finish.isra.0 (net/ipv4/ipmr.c:2304)
[   13.557047][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.557049][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.557054][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.557057][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.557061][  T310]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491 (discriminator 1))
[   13.557065][  T310]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2967)
[   13.557070][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.557072][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.557076][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.557078][  T310]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.557081][  T310]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   13.557086][  T310]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   13.557088][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.557091][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.557093][  T310]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.557096][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557098][  T310]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.557100][  T310]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   13.557102][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.557104][  T310]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   13.557106][  T310]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.557109][  T310]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   13.557113][  T310]  raw_setsockopt (net/ipv4/raw.c:851)
[   13.557116][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557118][  T310]  ? raw_bind (net/ipv4/raw.c:733)
[   13.557123][  T310]  do_sock_setsockopt (net/socket.c:2397)
[   13.557126][  T310]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   13.557127][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.557130][  T310]  ? fd_install (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:971 (discriminator 2) fs/file.c:698 (discriminator 2))
[   13.557135][  T310]  ? fd_install (./include/linux/rcupdate.h:974 (discriminator 1) fs/file.c:698 (discriminator 1))
[   13.557139][  T310]  __sys_setsockopt (net/socket.c:2422)
[   13.557144][  T310]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   13.557146][  T310]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.557150][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.557151][  T310]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.557153][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.557155][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.557158][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.557161][  T310] RIP: 0033:0x7fb42ecaf2de
[   13.557164][  T310] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   13.557166][  T310] RSP: 002b:00007ffe5261eec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   13.557169][  T310] RAX: ffffffffffffffda RBX: 0000560bd85b82c0 RCX: 00007fb42ecaf2de
[   13.557170][  T310] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   13.557171][  T310] RBP: 00007ffe5261ef80 R08: 0000000000000010 R09: 0000000000000001
[   13.557172][  T310] R10: 00007ffe5261ef00 R11: 0000000000000246 R12: 0000560bf0f520c4
[   13.557173][  T310] R13: 00007ffe5261efd0 R14: 0000560bf0f520b0 R15: 0000000000000000
| [   27.604407][    C0] softirqs last disabled at (6934171): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   27.604411][    C0] Preemption disabled at:
| [   27.604412][    C0] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   27.604421][    C0] Tainted: [W]=WARN
[   27.604422][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.604424][    C0] Call Trace:
[   27.604426][    C0]  <IRQ>
[   27.604427][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.604433][    C0]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   27.604434][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.604438][    C0]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   27.604442][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.604445][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604448][    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))
[   27.604451][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.604453][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.604458][    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)
[   27.604460][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.604462][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.604464][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.604466][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.604468][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.604473][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.604475][    C0]  ? vsnprintf (lib/vsprintf.c:2900)
[   27.604477][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.604479][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604480][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604481][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.604486][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.604488][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604489][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604490][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.604493][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.604494][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.604497][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.604499][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.604501][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.604503][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.604505][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604505][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.604507][    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)
[   27.604509][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.604511][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.604512][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.604514][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.604515][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.604517][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.604520][    C0]  ? snapshot_read.cold (user.c:?)
[   27.604522][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.604524][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.604526][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.604528][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.604531][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.604533][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.604535][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.604537][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.604539][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.604542][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604543][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.604545][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.604546][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.604548][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.604549][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.604550][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.604552][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.604555][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.604557][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.604559][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.604561][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604562][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.604564][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.604566][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.604568][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.604571][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.604573][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.604575][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.604576][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.604578][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604579][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.604581][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.604583][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.604585][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.604587][    C0]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   27.604588][    C0]  </IRQ>
[   27.604589][    C0]  <TASK>
[   27.604590][    C0]  __local_bh_enable_ip (kernel/softirq.c:473)
[   27.604592][    C0]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.604593][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.604596][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.604598][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5884 (discriminator 1))
[   27.604599][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.604601][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.604603][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604604][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604605][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.604608][    C0]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   27.604612][    C0]  ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[   27.604614][    C0]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip.h:504 (discriminator 2))
[   27.604615][    C0]  ? ip_copy_metadata (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1475 ./include/linux/rcuref.h:87 ./include/net/dst.h:247 ./include/net/dst.h:261 ./include/net/dst.h:294 ./include/net/dst.h:299 net/ipv4/ip_output.c:558)
[   27.604616][    C0]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.604618][    C0]  ? ip_fast_csum (lib/checksum.c:99)
[   27.604621][    C0]  ? ip_fraglist_prepare (net/ipv4/ip_output.c:98 net/ipv4/ip_output.c:638)
[   27.604623][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.604625][    C0]  ip_do_fragment (net/ipv4/ip_output.c:862)
[   27.604627][    C0]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.604629][    C0]  ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:395 (discriminator 4))
[   27.604631][    C0]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504)
[   27.604632][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.604634][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.604636][    C0]  ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437)
[   27.604638][    C0]  ? ip_finish_output (./include/linux/cgroup.h:915)
[   27.604639][    C0]  ? ip_make_skb (net/ipv4/ip_output.c:1584)
[   27.604641][    C0]  ? ip_frag_init (./include/linux/skbuff.h:3160)
[   27.604642][    C0]  ? ip_flush_pending_frames (net/ipv4/ip_output.c:1550)
[   27.604645][    C0]  ip_send_skb (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4))
[   27.604646][    C0]  udp_send_skb (net/ipv4/udp.c:1163 (discriminator 1))
[   27.604650][    C0]  udp_sendmsg (net/ipv4/udp.c:1445)
[   27.604653][    C0]  ? udp_cmsg_send (net/ipv4/udp.c:1218)
[   27.604654][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.604656][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.604658][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.604660][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.604663][    C0]  ? anon_pipe_trim_and_unlock (fs/pipe.c:192)
[   27.604667][    C0]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.604670][    C0]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.604673][    C0]  __sys_sendto (net/socket.c:2281)
[   27.604675][    C0]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.604679][    C0]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   27.604682][    C0]  ? ksys_read (fs/read_write.c:716)
[   27.604685][    C0]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.604687][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.604690][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.604693][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.604695][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.604696][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.604698][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.604700][    C0] RIP: 0033:0x7f7e0a46854e
[   27.604704][    C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.604705][    C0] RSP: 002b:00007ffc21d55930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.604709][    C0] RAX: ffffffffffffffda RBX: 000055a316d549e0 RCX: 00007f7e0a46854e
[   27.604710][    C0] RDX: 0000000000002000 RSI: 000055a316ddba70 RDI: 0000000000000005
[   27.604711][    C0] RBP: 00007ffc21d55940 R08: 0000000000000000 R09: 0000000000000000
[   27.604712][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a316d549e0
[   27.604713][    C0] R13: 000055a316dd7ac0 R14: 000055a316d54350 R15: 000055a316d549e0
| [   27.670834][    C0]
| [   27.670908][    C0]
| [   27.670908][    C0] stack backtrace:
| [   27.671128][    C0] Tainted: [W]=WARN
[   27.671129][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.671130][    C0] Call Trace:
[   27.671132][    C0]  <IRQ>
[   27.671133][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.671138][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.671141][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.671144][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.671146][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.671148][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.671150][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.671151][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.671153][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.671156][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.671157][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.671159][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.671160][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.671161][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.671162][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.671164][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.671166][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.671168][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.671169][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.671171][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.671172][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.671174][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.671176][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.671178][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.671180][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.671183][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.671184][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.671186][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.671188][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.671189][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.671191][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.671192][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.671194][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.671196][    C0]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   27.671198][    C0]  </IRQ>
[   27.671198][    C0]  <TASK>
[   27.671199][    C0]  __local_bh_enable_ip (kernel/softirq.c:473)
[   27.671200][    C0]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.671202][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.671205][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.671206][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5884 (discriminator 1))
[   27.671208][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.671209][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.671210][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.671211][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.671213][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.671216][    C0]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   27.671218][    C0]  ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[   27.671219][    C0]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip.h:504 (discriminator 2))
[   27.671221][    C0]  ? ip_copy_metadata (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1475 ./include/linux/rcuref.h:87 ./include/net/dst.h:247 ./include/net/dst.h:261 ./include/net/dst.h:294 ./include/net/dst.h:299 net/ipv4/ip_output.c:558)
[   27.671222][    C0]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.671223][    C0]  ? ip_fast_csum (lib/checksum.c:99)
[   27.671227][    C0]  ? ip_fraglist_prepare (net/ipv4/ip_output.c:98 net/ipv4/ip_output.c:638)
[   27.671228][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.671230][    C0]  ip_do_fragment (net/ipv4/ip_output.c:862)
[   27.671231][    C0]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.671234][    C0]  ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:395 (discriminator 4))
[   27.671235][    C0]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504)
[   27.671236][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.671238][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.671240][    C0]  ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437)
[   27.671241][    C0]  ? ip_finish_output (./include/linux/cgroup.h:915)
[   27.671242][    C0]  ? ip_make_skb (net/ipv4/ip_output.c:1584)
[   27.671244][    C0]  ? ip_frag_init (./include/linux/skbuff.h:3160)
[   27.671245][    C0]  ? ip_flush_pending_frames (net/ipv4/ip_output.c:1550)
[   27.671247][    C0]  ip_send_skb (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4))
[   27.671249][    C0]  udp_send_skb (net/ipv4/udp.c:1163 (discriminator 1))
[   27.671252][    C0]  udp_sendmsg (net/ipv4/udp.c:1445)
[   27.671254][    C0]  ? udp_cmsg_send (net/ipv4/udp.c:1218)
[   27.671255][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.671256][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.671259][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.671261][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.671263][    C0]  ? anon_pipe_trim_and_unlock (fs/pipe.c:192)
[   27.671267][    C0]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.671268][    C0]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.671271][    C0]  __sys_sendto (net/socket.c:2281)
[   27.671273][    C0]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.671276][    C0]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   27.671280][    C0]  ? ksys_read (fs/read_write.c:716)
[   27.671282][    C0]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.671284][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.671287][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.671289][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.671290][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.671292][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.671294][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.671295][    C0] RIP: 0033:0x7f7e0a46854e
[   27.671298][    C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.671300][    C0] RSP: 002b:00007ffc21d55930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.671303][    C0] RAX: ffffffffffffffda RBX: 000055a316d549e0 RCX: 00007f7e0a46854e
[   27.671304][    C0] RDX: 0000000000002000 RSI: 000055a316ddba70 RDI: 0000000000000005
[   27.671305][    C0] RBP: 00007ffc21d55940 R08: 0000000000000000 R09: 0000000000000000
[   27.671306][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a316d549e0
[   27.671307][    C0] R13: 000055a316dd7ac0 R14: 000055a316d54350 R15: 000055a316d549e0
| [  507.149130][   T70] softirqs last disabled at (17424): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  507.149132][   T70] Preemption disabled at:
| [  507.149133][   T70] 0x0
| [  507.149143][   T70] Tainted: [W]=WARN
[  507.149144][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  507.149146][   T70] Workqueue: netns cleanup_net
[  507.149152][   T70] Call Trace:
[  507.149153][   T70]  <TASK>
[  507.149155][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  507.149161][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  507.149165][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  507.149169][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.149172][   T70]  __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))
[  507.149175][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.149178][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  507.149182][   T70]  ? 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)
[  507.149184][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  507.149186][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  507.149188][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  507.149189][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  507.149191][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  507.149194][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  507.149198][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  507.149200][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.149202][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.149204][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  507.149207][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  507.149209][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.149210][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.149210][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.149211][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.149213][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  507.149215][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  507.149217][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  507.149220][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  507.149222][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.149223][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  507.149225][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.149226][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  507.149227][   T70]  ? 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)
[  507.149229][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  507.149230][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  507.149232][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  507.149233][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  507.149235][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  507.149236][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.149237][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  507.149240][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  507.149242][   T70]  _printk (kernel/printk/printk.c:2504)
[  507.149245][   T70]  ? snapshot_read.cold (user.c:?)
[  507.149247][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  507.149250][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  507.149254][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  507.149256][   T70]  br_device_event (net/bridge/br.c:111)
[  507.149258][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[  507.149260][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  507.149263][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  507.149266][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  507.149269][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[  507.149271][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  507.149273][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  507.149275][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  507.149276][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  507.149279][   T70]  ? kthread (kernel/kthread.c:436)
[  507.149281][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  507.149283][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  507.149286][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  507.149287][   T70]  ? get_rps_cpu (net/core/dev.c:5240)
[  507.149289][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  507.149291][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  507.149292][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.149294][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  507.149295][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  507.149297][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  507.149300][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  507.149302][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  507.149303][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  507.149306][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  507.149308][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  507.149310][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.149311][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.149313][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.149314][   T70]  process_one_work (kernel/workqueue.c:3387)
[  507.149317][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  507.149319][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  507.149321][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.149323][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  507.149325][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  507.149332][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  507.149334][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  507.149336][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  507.149338][   T70]  kthread (kernel/kthread.c:436)
[  507.149339][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  507.149341][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  507.149343][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  507.149344][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  507.149346][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  507.149349][   T70]  ? 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
do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars