======================================
| [   10.149003][  T206] softirqs last disabled at (31771): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.149005][  T206] Preemption disabled at:
| [   10.149006][  T206] 0x0
| [   10.149016][  T206] Tainted: [W]=WARN
[   10.149017][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.149019][  T206] Call Trace:
[   10.149020][  T206]  <TASK>
[   10.149022][  T206]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.149028][  T206]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.149033][  T206]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.149038][  T206]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.149043][  T206]  __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))
[   10.149045][  T206]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.149052][  T206]  ? 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)
[   10.149055][  T206]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.149059][  T206]  put_chars (drivers/char/virtio_console.c:1176)
[   10.149061][  T206]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.149063][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.149067][  T206]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.149073][  T206]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.149081][  T206]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.149084][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.149086][  T206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.149091][  T206]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.149095][  T206]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.149097][  T206]  ? 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))
[   10.149101][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.149103][  T206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.149107][  T206]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.149112][  T206]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.149114][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.149120][  T206]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.149123][  T206]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.149125][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.149127][  T206]  ? 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)
[   10.149131][  T206]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.149133][  T206]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.149136][  T206]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.149140][  T206]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.149143][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.149148][  T206]  _printk (kernel/printk/printk.c:2504)
[   10.149151][  T206]  ? snapshot_read.cold (user.c:?)
[   10.149154][  T206]  ? 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)
[   10.149157][  T206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.149163][  T206]  ? 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)
[   10.149166][  T206]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.149170][  T206]  ? exit_notify (kernel/exit.c:780)
[   10.149172][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.149175][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.149179][  T206]  do_group_exit (kernel/exit.c:1151)
[   10.149182][  T206]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.149184][  T206]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.149187][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.149190][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.149194][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.149196][  T206] RIP: 0033:0x7ff94ec4a1b8
[   10.149198][  T206] Code: Unable to access opcode bytes at 0x7ff94ec4a18e.

Code starting with the faulting instruction
===========================================
[   10.149199][  T206] RSP: 002b:00007ffca3c95e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.149201][  T206] RAX: ffffffffffffffda RBX: 00007ff94ed7af88 RCX: 00007ff94ec4a1b8
[   10.149203][  T206] RDX: 00007ff94e994fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.149204][  T206] RBP: 00007ffca3c95eb0 R08: 0000000000000000 R09: 0000000000000050
[   10.149205][  T206] R10: 00007ffca3c95c70 R11: 0000000000000246 R12: 0000000000000001
[   10.149205][  T206] R13: 0000000000000000 R14: 00007ff94ed79680 R15: 00007ff94ed7afa0
| [   11.665829][  T290] softirqs last disabled at (33530): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.665832][  T290] Preemption disabled at:
| [   11.665832][  T290] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.665841][  T290] Tainted: [W]=WARN
[   11.665842][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.665844][  T290] Call Trace:
[   11.665845][  T290]  <TASK>
[   11.665847][  T290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.665853][  T290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.665855][  T290]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.665859][  T290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.665864][  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)
[   11.665868][  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))
[   11.665870][  T290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.665877][  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)
[   11.665880][  T290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.665884][  T290]  put_chars (drivers/char/virtio_console.c:1176)
[   11.665887][  T290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.665890][  T290]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.665896][  T290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.665912][  T290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.665914][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.665917][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.665922][  T290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.665926][  T290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.665928][  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))
[   11.665931][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.665933][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.665937][  T290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.665942][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.665944][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.665949][  T290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.665952][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.665954][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.665956][  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)
[   11.665960][  T290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.665962][  T290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.665965][  T290]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.665968][  T290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.665970][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.665971][  T290]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.665976][  T290]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.665979][  T290]  _printk (kernel/printk/printk.c:2504)
[   11.665983][  T290]  ? snapshot_read.cold (user.c:?)
[   11.665987][  T290]  ? br_multicast_flood (??:?)
[   11.665990][  T290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.665991][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.665993][  T290]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.665997][  T290]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.666002][  T290]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.666004][  T290]  new_nbp (net/bridge/br_if.c:449)
[   11.666009][  T290]  br_add_if (net/bridge/br_if.c:592)
[   11.666011][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.666015][  T290]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.666021][  T290]  do_set_master (net/core/rtnetlink.c:3071)
[   11.666024][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.666028][  T290]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.666031][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.666033][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.666036][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.666039][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.666041][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.666043][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.666046][  T290]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.666048][  T290]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.666049][  T290]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.666051][  T290]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.666053][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.666055][  T290]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.666058][  T290]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.666062][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.666064][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.666067][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666068][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.666070][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666071][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666073][  T290]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.666075][  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)
[   11.666077][  T290]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.666079][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.666082][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.666083][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.666089][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666091][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.666097][  T290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.666103][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.666105][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.666110][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.666112][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.666114][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.666116][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.666120][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.666122][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.666126][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.666127][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.666132][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.666134][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.666137][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.666140][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.666144][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.666151][  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))
[   11.666153][  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))
[   11.666158][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.666164][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.666166][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.666171][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.666175][  T290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.666179][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.666181][  T290]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.666187][  T290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.666190][  T290]  ____sys_sendmsg (net/socket.c:2713)
[   11.666192][  T290]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.666194][  T290]  ? sock_write_iter (net/socket.c:1269)
[   11.666196][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   11.666204][  T290]  ___sys_sendmsg (net/socket.c:2767)
[   11.666207][  T290]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.666225][  T290]  __sys_sendmsg (net/socket.c:2799)
[   11.666228][  T290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.666234][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666238][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.666240][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.666243][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.666246][  T290] RIP: 0033:0x7f3282a0554e
[   11.666249][  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
[   11.666251][  T290] RSP: 002b:00007fffba5d8c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.666253][  T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3282a0554e
[   11.666255][  T290] RDX: 0000000000000000 RSI: 00007fffba5d8cd0 RDI: 0000000000000005
[   11.666256][  T290] RBP: 00007fffba5d8c30 R08: 0000000000000000 R09: 0000000000000000
[   11.666256][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d380
[   11.666257][  T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffba5d9390
| [   12.840796][  T311] softirqs last disabled at (5128): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.840799][  T311] Preemption disabled at:
| [   12.840799][  T311] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.840808][  T311] Tainted: [W]=WARN
[   12.840809][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.840811][  T311] Call Trace:
[   12.840812][  T311]  <TASK>
[   12.840813][  T311]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.840821][  T311]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.840822][  T311]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.840827][  T311]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.840832][  T311]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.840837][  T311]  __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))
[   12.840839][  T311]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.840846][  T311]  ? 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)
[   12.840848][  T311]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.840853][  T311]  put_chars (drivers/char/virtio_console.c:1176)
[   12.840855][  T311]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.840859][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.840862][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.840867][  T311]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.840871][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.840873][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.840878][  T311]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.840882][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.840885][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.840889][  T311]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.840894][  T311]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.840896][  T311]  ? 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))
[   12.840899][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.840901][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.840906][  T311]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.840916][  T311]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.840918][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.840925][  T311]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.840928][  T311]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.840931][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.840932][  T311]  ? 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)
[   12.840937][  T311]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.840939][  T311]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.840942][  T311]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.840945][  T311]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.840948][  T311]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1541)
[   12.840952][  T311]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.840954][  T311]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.840957][  T311]  _printk (kernel/printk/printk.c:2504)
[   12.840961][  T311]  ? snapshot_read.cold (user.c:?)
[   12.840963][  T311]  ? __sys_setsockopt (net/socket.c:2422)
[   12.840969][  T311]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.840973][  T311]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.840977][  T311]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.840980][  T311]  ? netdev_notice (net/core/dev.c:13194)
[   12.840982][  T311]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.840989][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.840991][  T311]  ? 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)
[   12.840994][  T311]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   12.840998][  T311]  dev_set_allmulti (net/core/dev_api.c:315)
[   12.841002][  T311]  vif_add (net/ipv4/ipmr.c:900)
[   12.841005][  T311]  ? __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)
[   12.841008][  T311]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.841012][  T311]  ? ip_mr_output_finish.isra.0 (net/ipv4/ipmr.c:2304)
[   12.841015][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.841018][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.841023][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.841026][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.841031][  T311]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491 (discriminator 1))
[   12.841035][  T311]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2967)
[   12.841041][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.841043][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.841048][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.841050][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.841053][  T311]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   12.841058][  T311]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   12.841061][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.841064][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.841066][  T311]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.841069][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.841071][  T311]  ? 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)
[   12.841073][  T311]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.841075][  T311]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.841077][  T311]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   12.841079][  T311]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.841083][  T311]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   12.841086][  T311]  raw_setsockopt (net/ipv4/raw.c:851)
[   12.841089][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.841092][  T311]  ? raw_bind (net/ipv4/raw.c:733)
[   12.841097][  T311]  do_sock_setsockopt (net/socket.c:2397)
[   12.841100][  T311]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.841102][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.841106][  T311]  ? fd_install (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:971 (discriminator 2) fs/file.c:698 (discriminator 2))
[   12.841111][  T311]  ? fd_install (./include/linux/rcupdate.h:974 (discriminator 1) fs/file.c:698 (discriminator 1))
[   12.841115][  T311]  __sys_setsockopt (net/socket.c:2422)
[   12.841121][  T311]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   12.841123][  T311]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.841126][  T311]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.841128][  T311]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.841130][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.841132][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.841135][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.841137][  T311] RIP: 0033:0x7f339c0bf2de
[   12.841141][  T311] 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
[   12.841142][  T311] RSP: 002b:00007ffedc1ab578 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   12.841145][  T311] RAX: ffffffffffffffda RBX: 000055d11e9a52c0 RCX: 00007f339c0bf2de
[   12.841147][  T311] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   12.841148][  T311] RBP: 00007ffedc1ab630 R08: 0000000000000010 R09: 0000000000000001
[   12.841148][  T311] R10: 00007ffedc1ab5b0 R11: 0000000000000246 R12: 000055d13b6880c4
[   12.841149][  T311] R13: 00007ffedc1ab680 R14: 000055d13b6880b0 R15: 0000000000000000
| [   27.108497][    C2] softirqs last disabled at (7099821): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   27.108501][    C2] Preemption disabled at:
| [   27.108502][    C2] __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))
| [   27.108512][    C2] Tainted: [W]=WARN
[   27.108513][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.108515][    C2] Call Trace:
[   27.108516][    C2]  <IRQ>
[   27.108518][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.108523][    C2]  ? __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))
[   27.108525][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.108529][    C2]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   27.108532][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.108535][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108538][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.108541][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.108544][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.108548][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.108550][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.108553][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   27.108555][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.108558][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.108562][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.108567][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.108568][    C2]  ? vsnprintf (lib/vsprintf.c:2900)
[   27.108571][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.108573][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108574][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108575][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.108578][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.108580][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108581][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108582][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.108584][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.108586][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.108588][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.108591][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.108593][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.108595][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.108596][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108597][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.108599][    C2]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.108601][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.108603][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.108604][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.108606][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.108607][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.108609][    C2]  _printk (kernel/printk/printk.c:2504)
[   27.108612][    C2]  ? snapshot_read.cold (user.c:?)
[   27.108614][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.108616][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.108618][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.108620][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.108623][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.108625][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.108627][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.108629][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.108631][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.108634][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108635][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.108637][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.108638][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.108640][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.108641][    C2]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.108643][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.108644][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.108647][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108648][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.108650][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.108652][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.108654][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108655][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.108657][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.108659][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.108661][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.108663][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.108666][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.108668][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.108670][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108671][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.108673][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.108675][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.108676][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108677][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.108679][    C2]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   27.108681][    C2]  </IRQ>
[   27.108681][    C2]  <TASK>
[   27.108682][    C2]  __local_bh_enable_ip (kernel/softirq.c:473)
[   27.108684][    C2]  __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))
[   27.108686][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.108688][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.108690][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5884 (discriminator 1))
[   27.108691][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.108693][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.108694][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108695][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108697][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.108700][    C2]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   27.108703][    C2]  ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[   27.108705][    C2]  ? 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))
[   27.108706][    C2]  ? 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)
[   27.108707][    C2]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.108709][    C2]  ? ip_fast_csum (lib/checksum.c:99)
[   27.108712][    C2]  ? ip_fraglist_prepare (net/ipv4/ip_output.c:98 net/ipv4/ip_output.c:638)
[   27.108714][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.108716][    C2]  ip_do_fragment (net/ipv4/ip_output.c:862)
[   27.108717][    C2]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.108720][    C2]  ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:395 (discriminator 4))
[   27.108721][    C2]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504)
[   27.108722][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.108724][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.108726][    C2]  ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437)
[   27.108728][    C2]  ? ip_finish_output (./include/linux/cgroup.h:915)
[   27.108729][    C2]  ? ip_make_skb (net/ipv4/ip_output.c:1584)
[   27.108731][    C2]  ? ip_frag_init (./include/linux/skbuff.h:3160)
[   27.108732][    C2]  ? ip_flush_pending_frames (net/ipv4/ip_output.c:1550)
[   27.108734][    C2]  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))
[   27.108736][    C2]  udp_send_skb (net/ipv4/udp.c:1163 (discriminator 1))
[   27.108740][    C2]  udp_sendmsg (net/ipv4/udp.c:1445)
[   27.108742][    C2]  ? udp_cmsg_send (net/ipv4/udp.c:1218)
[   27.108743][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.108745][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.108747][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.108749][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.108752][    C2]  ? anon_pipe_trim_and_unlock (fs/pipe.c:192)
[   27.108756][    C2]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.108758][    C2]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.108761][    C2]  __sys_sendto (net/socket.c:2281)
[   27.108763][    C2]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.108767][    C2]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   27.108770][    C2]  ? ksys_read (fs/read_write.c:716)
[   27.108773][    C2]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.108775][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.108778][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.108780][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.108782][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.108783][    C2]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.108785][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.108787][    C2] RIP: 0033:0x7f9cd9f8654e
[   27.108791][    C2] 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
[   27.108792][    C2] RSP: 002b:00007ffddc7f1610 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.108796][    C2] RAX: ffffffffffffffda RBX: 00005646cf1379e0 RCX: 00007f9cd9f8654e
[   27.108797][    C2] RDX: 0000000000002000 RSI: 00005646cf1bea70 RDI: 0000000000000005
[   27.108798][    C2] RBP: 00007ffddc7f1620 R08: 0000000000000000 R09: 0000000000000000
[   27.108799][    C2] R10: 0000000000000000 R11: 0000000000000202 R12: 00005646cf1379e0
[   27.108800][    C2] R13: 00005646cf1baac0 R14: 00005646cf137350 R15: 00005646cf1379e0
| [   27.172273][    C2]
| [   27.172341][    C2]
| [   27.172341][    C2] stack backtrace:
| [   27.172560][    C2] Tainted: [W]=WARN
[   27.172561][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.172561][    C2] Call Trace:
[   27.172562][    C2]  <IRQ>
[   27.172563][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.172567][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.172569][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.172572][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.172574][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.172576][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.172578][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.172580][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.172581][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.172583][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.172585][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.172586][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.172588][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.172589][    C2]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.172590][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.172592][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.172594][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.172595][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.172597][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.172599][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.172600][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.172602][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.172604][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.172605][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.172607][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.172610][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.172613][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.172615][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.172616][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.172618][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.172620][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.172621][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.172623][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.172624][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.172626][    C2]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   27.172628][    C2]  </IRQ>
[   27.172628][    C2]  <TASK>
[   27.172629][    C2]  __local_bh_enable_ip (kernel/softirq.c:473)
[   27.172630][    C2]  __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))
[   27.172632][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.172635][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.172636][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5884 (discriminator 1))
[   27.172638][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.172639][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.172641][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.172642][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.172643][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.172646][    C2]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   27.172648][    C2]  ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[   27.172649][    C2]  ? 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))
[   27.172651][    C2]  ? 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)
[   27.172652][    C2]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.172653][    C2]  ? ip_fast_csum (lib/checksum.c:99)
[   27.172656][    C2]  ? ip_fraglist_prepare (net/ipv4/ip_output.c:98 net/ipv4/ip_output.c:638)
[   27.172658][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.172660][    C2]  ip_do_fragment (net/ipv4/ip_output.c:862)
[   27.172661][    C2]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.172663][    C2]  ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:395 (discriminator 4))
[   27.172665][    C2]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504)
[   27.172666][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.172668][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.172669][    C2]  ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437)
[   27.172671][    C2]  ? ip_finish_output (./include/linux/cgroup.h:915)
[   27.172672][    C2]  ? ip_make_skb (net/ipv4/ip_output.c:1584)
[   27.172674][    C2]  ? ip_frag_init (./include/linux/skbuff.h:3160)
[   27.172675][    C2]  ? ip_flush_pending_frames (net/ipv4/ip_output.c:1550)
[   27.172677][    C2]  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))
[   27.172679][    C2]  udp_send_skb (net/ipv4/udp.c:1163 (discriminator 1))
[   27.172682][    C2]  udp_sendmsg (net/ipv4/udp.c:1445)
[   27.172684][    C2]  ? udp_cmsg_send (net/ipv4/udp.c:1218)
[   27.172685][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.172686][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.172688][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.172690][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.172692][    C2]  ? anon_pipe_trim_and_unlock (fs/pipe.c:192)
[   27.172696][    C2]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.172697][    C2]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.172700][    C2]  __sys_sendto (net/socket.c:2281)
[   27.172702][    C2]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.172705][    C2]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   27.172708][    C2]  ? ksys_read (fs/read_write.c:716)
[   27.172710][    C2]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.172712][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.172714][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.172716][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.172717][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.172719][    C2]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.172721][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.172722][    C2] RIP: 0033:0x7f9cd9f8654e
[   27.172724][    C2] 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
[   27.172725][    C2] RSP: 002b:00007ffddc7f1610 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.172726][    C2] RAX: ffffffffffffffda RBX: 00005646cf1379e0 RCX: 00007f9cd9f8654e
[   27.172727][    C2] RDX: 0000000000002000 RSI: 00005646cf1bea70 RDI: 0000000000000005
[   27.172728][    C2] RBP: 00007ffddc7f1620 R08: 0000000000000000 R09: 0000000000000000
[   27.172729][    C2] R10: 0000000000000000 R11: 0000000000000202 R12: 00005646cf1379e0
[   27.172730][    C2] R13: 00005646cf1baac0 R14: 00005646cf137350 R15: 00005646cf1379e0
| [  513.199312][   T12] softirqs last disabled at (20792): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  513.199314][   T12] Preemption disabled at:
| [  513.199315][   T12] 0x0
| [  513.199325][   T12] Tainted: [W]=WARN
[  513.199326][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  513.199328][   T12] Workqueue: netns cleanup_net
[  513.199334][   T12] Call Trace:
[  513.199336][   T12]  <TASK>
[  513.199338][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  513.199344][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  513.199348][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  513.199352][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.199355][   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))
[  513.199358][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  513.199361][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  513.199366][   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)
[  513.199367][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  513.199370][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  513.199372][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  513.199373][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  513.199376][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  513.199386][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  513.199391][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  513.199393][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  513.199395][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.199397][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  513.199400][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  513.199402][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.199403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.199405][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.199406][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.199408][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  513.199410][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  513.199412][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  513.199415][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  513.199417][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.199419][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  513.199421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.199422][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  513.199423][   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)
[  513.199425][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  513.199426][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  513.199428][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  513.199430][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  513.199432][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  513.199433][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.199434][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  513.199438][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  513.199440][   T12]  _printk (kernel/printk/printk.c:2504)
[  513.199443][   T12]  ? snapshot_read.cold (user.c:?)
[  513.199445][   T12]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  513.199448][   T12]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  513.199452][   T12]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  513.199454][   T12]  br_device_event (net/bridge/br.c:111)
[  513.199457][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  513.199459][   T12]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  513.199462][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  513.199465][   T12]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  513.199468][   T12]  ? __dev_close_many (net/core/dev.c:1804)
[  513.199470][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  513.199472][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  513.199474][   T12]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  513.199476][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  513.199479][   T12]  ? kthread (kernel/kthread.c:436)
[  513.199481][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  513.199484][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  513.199486][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  513.199488][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  513.199490][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  513.199491][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  513.199493][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.199495][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  513.199496][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  513.199498][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  513.199501][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  513.199503][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  513.199505][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  513.199508][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  513.199510][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  513.199512][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.199514][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.199515][   T12]  process_one_work (kernel/workqueue.c:3387)
[  513.199519][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  513.199521][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  513.199523][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  513.199525][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  513.199529][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  513.199531][   T12]  kthread (kernel/kthread.c:436)
[  513.199532][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  513.199534][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  513.199536][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  513.199538][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  513.199540][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  513.199543][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__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:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars