======================================
| [    9.774810][  T186] softirqs last disabled at (32980): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.774813][  T186] Preemption disabled at:
| [    9.774814][  T186] 0x0
| [    9.774828][  T186] Tainted: [W]=WARN
[    9.774829][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.774831][  T186] Call Trace:
[    9.774833][  T186]  <TASK>
[    9.774835][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.774844][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.774851][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.774857][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.774864][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.774868][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.774877][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.774880][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.774886][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.774890][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.774893][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.774900][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.774909][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.774919][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.774923][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.774927][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.774934][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.774940][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.774943][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.774948][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.774952][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.774959][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.774966][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.774969][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.774978][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.774983][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.774986][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.774990][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.774996][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.774998][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.775004][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.775010][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.775016][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.775023][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.775028][  T186]  ? snapshot_read.cold (user.c:?)
[    9.775033][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.775037][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.775044][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.775048][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.775054][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.775057][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.775061][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.775069][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.775074][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.775076][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.775080][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.775084][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.775090][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.775093][  T186] RIP: 0033:0x7f731b6791b8
[    9.775097][  T186] Code: Unable to access opcode bytes at 0x7f731b67918e.

Code starting with the faulting instruction
===========================================
[    9.775099][  T186] RSP: 002b:00007ffe93365498 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.775102][  T186] RAX: ffffffffffffffda RBX: 00007f731b7a9f88 RCX: 00007f731b6791b8
[    9.775104][  T186] RDX: 00007f731b3c3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.775108][  T186] RBP: 00007ffe933654f0 R08: 0000000000000000 R09: 0000000000008010
[    9.775110][  T186] R10: 00007ffe933652b0 R11: 0000000000000246 R12: 0000000000000001
[    9.775111][  T186] R13: 0000000000000000 R14: 00007f731b7a8680 R15: 00007f731b7a9fa0
| [   11.969881][  T266] softirqs last disabled at (11128): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.969883][  T266] Preemption disabled at:
| [   11.969884][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.969893][  T266] Tainted: [W]=WARN
[   11.969894][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.969896][  T266] Call Trace:
[   11.969898][  T266]  <TASK>
[   11.969899][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.969906][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.969908][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.969912][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.969917][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.969922][  T266]  __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))
[   11.969925][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.969930][  T266]  ? 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)
[   11.969933][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.969937][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   11.969940][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.969944][  T266]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.969948][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.969951][  T266]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.969952][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.969954][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.969958][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.969960][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.969963][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.969967][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.969971][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.969975][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.969977][  T266]  ? 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))
[   11.969980][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.969982][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.969986][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.969990][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.969992][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.969997][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.970000][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.970002][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.970004][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.970008][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.970010][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.970013][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.970017][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.970019][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.970021][  T266]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.970025][  T266]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.970029][  T266]  _printk (kernel/printk/printk.c:2504)
[   11.970033][  T266]  ? snapshot_read.cold (user.c:?)
[   11.970037][  T266]  ? br_multicast_flood (??:?) bridge
[   11.970050][  T266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.970051][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.970052][  T266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.970057][  T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.970067][  T266] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.970076][  T266] new_nbp (net/bridge/br_if.c:449) bridge
[   11.970085][  T266] br_add_if (net/bridge/br_if.c:592) bridge
[   11.970092][  T266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.970097][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.970100][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   11.970104][  T266]  do_set_master (net/core/rtnetlink.c:3071)
[   11.970111][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.970115][  T266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.970118][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.970119][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.970122][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.970126][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.970128][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.970130][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.970133][  T266]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.970136][  T266]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.970138][  T266]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.970141][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.970142][  T266]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.970146][  T266]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.970150][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.970152][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.970155][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.970157][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.970159][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.970161][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.970163][  T266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.970167][  T266]  ? __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)
[   11.970169][  T266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.970171][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.970175][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.970176][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.970181][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.970186][  T266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.970192][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.970194][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.970198][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.970200][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.970202][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.970204][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.970208][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.970210][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.970213][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.970214][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.970219][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.970221][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.970224][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.970226][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.970229][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.970235][  T266]  ? 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))
[   11.970237][  T266]  ? 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))
[   11.970241][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.970245][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.970247][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.970252][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.970255][  T266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.970259][  T266]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.970265][  T266]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.970267][  T266]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.970269][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.970271][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   11.970278][  T266]  ___sys_sendmsg (net/socket.c:2767)
[   11.970281][  T266]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.970297][  T266]  __sys_sendmsg (net/socket.c:2799)
[   11.970300][  T266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.970306][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.970310][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.970312][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.970315][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.970318][  T266] RIP: 0033:0x7f0d6895a54e
[   11.970321][  T266] 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
[   11.970323][  T266] RSP: 002b:00007ffd7fcfbba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.970326][  T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0d6895a54e
[   11.970328][  T266] RDX: 0000000000000000 RSI: 00007ffd7fcfbc50 RDI: 0000000000000005
[   11.970329][  T266] RBP: 00007ffd7fcfbbb0 R08: 0000000000000000 R09: 0000000000000000
[   11.970329][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d9e
[   11.970330][  T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7fcfc310
| [   14.944348][  T370] softirqs last disabled at (21033): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.944351][  T370] Preemption disabled at:
| [   14.944352][  T370] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.944364][  T370] Tainted: [W]=WARN
[   14.944366][  T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.944368][  T370] Call Trace:
[   14.944370][  T370]  <TASK>
[   14.944372][  T370]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.944380][  T370]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.944383][  T370]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.944389][  T370]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.944395][  T370]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.944402][  T370]  __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))
[   14.944406][  T370]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.944415][  T370]  ? 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)
[   14.944418][  T370]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.944423][  T370]  put_chars (drivers/char/virtio_console.c:1176)
[   14.944426][  T370]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.944429][  T370]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.944435][  T370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.944440][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.944444][  T370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.944450][  T370]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.944455][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.944458][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944460][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944467][  T370]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.944471][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.944476][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944480][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.944487][  T370]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.944493][  T370]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.944496][  T370]  ? 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))
[   14.944501][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944505][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.944511][  T370]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.944518][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.944521][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944531][  T370]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.944535][  T370]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.944538][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944542][  T370]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.944548][  T370]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.944550][  T370]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.944556][  T370]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.944563][  T370]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.944574][  T370]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.944582][  T370]  _printk (kernel/printk/printk.c:2504)
[   14.944588][  T370]  ? snapshot_read.cold (user.c:?)
[   14.944602][  T370] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.944624][  T370] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.944638][  T370] new_nbp (net/bridge/br_if.c:449) bridge
[   14.944656][  T370] br_add_if (net/bridge/br_if.c:592) bridge
[   14.944669][  T370]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.944674][  T370]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.944679][  T370]  ? __kernel_text_address (kernel/extable.c:79)
[   14.944686][  T370]  do_set_master (net/core/rtnetlink.c:3071)
[   14.944694][  T370]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.944699][  T370]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.944704][  T370]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.944706][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.944709][  T370]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.944714][  T370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.944718][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.944720][  T370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.944725][  T370]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.944729][  T370]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.944731][  T370]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.944736][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944739][  T370]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.944743][  T370]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.944750][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.944753][  T370]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.944758][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944761][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.944764][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944766][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944770][  T370]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.944776][  T370]  ? __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)
[   14.944779][  T370]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.944782][  T370]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.944788][  T370]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.944791][  T370]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.944801][  T370]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.944810][  T370]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.944819][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.944821][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944828][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.944831][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.944834][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.944837][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.944843][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.944847][  T370]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.944852][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.944855][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944863][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.944866][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.944872][  T370]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.944875][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.944880][  T370]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.944892][  T370]  ? 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))
[   14.944894][  T370]  ? 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))
[   14.944902][  T370]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.944909][  T370]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.944914][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944921][  T370]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.944928][  T370]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.944935][  T370]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.944944][  T370]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.944948][  T370]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.944952][  T370]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.944955][  T370]  ? move_addr_to_kernel (net/socket.c:258)
[   14.944969][  T370]  ___sys_sendmsg (net/socket.c:2767)
[   14.944973][  T370]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.945004][  T370]  __sys_sendmsg (net/socket.c:2799)
[   14.945009][  T370]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.945021][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.945027][  T370]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.945030][  T370]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.945035][  T370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.945038][  T370] RIP: 0033:0x7f38c1ded54e
[   14.945043][  T370] 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
[   14.945046][  T370] RSP: 002b:00007ffda8512b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.945050][  T370] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f38c1ded54e
[   14.945052][  T370] RDX: 0000000000000000 RSI: 00007ffda8512c40 RDI: 0000000000000005
[   14.945054][  T370] RBP: 00007ffda8512ba0 R08: 0000000000000000 R09: 0000000000000000
[   14.945055][  T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912da1
[   14.945057][  T370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda8513300
| [   16.960492][    C1]
| [   16.960492][    C1]
| [   16.960492][    C1] stack backtrace:
| [   16.960499][    C1] Tainted: [W]=WARN
[   16.960500][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.960501][    C1] Workqueue: events virtio_fs_requests_done_work
[   16.960505][    C1] Call Trace:
[   16.960506][    C1]  <IRQ>
[   16.960508][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.960512][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   16.960514][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   16.960517][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   16.960519][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   16.960521][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   16.960523][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.960525][    C1]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.960527][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960531][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.960533][    C1]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.960535][    C1]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.960536][    C1]  console_emit_next_record (kernel/printk/printk.c:3177)
[   16.960539][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.960540][    C1]  ? 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))
[   16.960542][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960544][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.960546][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.960549][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.960550][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.960553][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.960555][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.960557][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960559][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.960560][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.960562][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.960564][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.960567][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.960569][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960571][    C1]  _printk (kernel/printk/printk.c:2504)
[   16.960578][    C1]  ? snapshot_read.cold (user.c:?)
[   16.960579][    C1]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   16.960583][    C1]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   16.960590][    C1]  ? idr_get_free (??:?)
[   16.960593][    C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   16.960600][    C1]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   16.960607][    C1]  ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge
[   16.960616][    C1]  ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge
[   16.960623][    C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   16.960630][    C1]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   16.960637][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960639][    C1]  ? vxlan_rcv (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/vxlan/vxlan_core.c:1804 (discriminator 2)) vxlan
[   16.960645][    C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   16.960652][    C1]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   16.960659][    C1]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   16.960662][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960664][    C1]  ? do_xdp_generic (net/core/dev.c:5732)
[   16.960666][    C1]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844)
[   16.960669][    C1]  ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029)
[   16.960671][    C1]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54))
[   16.960674][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.960676][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960678][    C1]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   16.960680][    C1]  ? elf_coredump_extra_notes_write (arch/x86/kernel/fpu/xstate.c:1941 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1985 (discriminator 1))
[   16.960683][    C1]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   16.960685][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.960687][    C1]  ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2))
[   16.960689][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.960691][    C1]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   16.960693][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.960695][    C1]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   16.960696][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960698][    C1]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   16.960699][    C1]  ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2))
[   16.960701][    C1]  ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572)
[   16.960703][    C1]  gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647)
[   16.960705][    C1]  gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71)
[   16.960708][    C1]  __napi_poll (net/core/dev.c:7787)
[   16.960710][    C1]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   16.960712][    C1]  ? __napi_poll (./include/net/gro.h:507)
[   16.960715][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.960717][    C1]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   16.960719][    C1]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   16.960722][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.960724][    C1]  handle_softirqs (kernel/softirq.c:645)
[   16.960726][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960728][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   16.960730][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   16.960732][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   16.960733][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   16.960735][    C1]  </IRQ>
[   16.960735][    C1]  <TASK>
[   16.960736][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   16.960738][    C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   16.960740][    C1] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   16.960742][    C1] RSP: 0018:ffa0000000547ab8 EFLAGS: 00000246
[   16.960744][    C1] RAX: 0000000000000092 RBX: ff11000005b5b6d8 RCX: ffffffffba7a8483
[   16.960746][    C1] RDX: ff1100000d380040 RSI: ffffffffbb038b01 RDI: ffffffffbaa8d8e0
[   16.960747][    C1] RBP: 0000000000000292 R08: 0000000000000000 R09: 0000000000000000
[   16.960748][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: fffa7c0000089580
[   16.960749][    C1] R13: 1ffa800000089588 R14: ffd400000044ac00 R15: 0000000000000001
[   16.960750][    C1]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   16.960753][    C1]  virtio_fs_request_complete (fs/fuse/virtio_fs.c:173 fs/fuse/virtio_fs.c:815)
[   16.960756][    C1]  virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:870)
[   16.960759][    C1]  ? virtio_fs_complete_req_work (fs/fuse/virtio_fs.c:824)
[   16.960761][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.960763][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960765][    C1]  process_one_work (kernel/workqueue.c:3387)
[   16.960768][    C1]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   16.960770][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.960773][    C1]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   16.960775][    C1]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.960777][    C1]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.960779][    C1]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.960780][    C1]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.960782][    C1]  kthread (kernel/kthread.c:436)
[   16.960784][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.960786][    C1]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.960788][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.960790][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   16.960792][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.960795][    C1]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.960796][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.960815][    C1] softirqs last disabled at (285527): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.960817][    C1] Preemption disabled at:
| [   16.960817][    C1] 0x0
| [   16.960822][    C1] Tainted: [W]=WARN
[   16.960823][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.960824][    C1] Workqueue: events virtio_fs_requests_done_work
[   16.960826][    C1] Call Trace:
[   16.960827][    C1]  <IRQ>
[   16.960827][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.960830][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.960833][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.960836][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960838][    C1]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.960840][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.960842][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.960844][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.960845][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.960847][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   16.960849][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.960851][    C1]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   16.960853][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.960855][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5208)
[   16.960857][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.960858][    C1]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.960860][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960862][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960864][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.960866][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.960868][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.960870][    C1]  ? 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))
[   16.960872][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960874][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.960876][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.960878][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.960880][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.960882][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.960884][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.960886][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.960888][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.960890][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.960892][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.960894][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.960896][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.960898][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960900][    C1]  _printk (kernel/printk/printk.c:2504)
[   16.960902][    C1]  ? snapshot_read.cold (user.c:?)
[   16.960904][    C1]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   16.960906][    C1]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   16.960913][    C1]  ? idr_get_free (??:?)
[   16.960915][    C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   16.960923][    C1]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   16.960930][    C1]  ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge
[   16.960937][    C1]  ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge
[   16.960944][    C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   16.960951][    C1]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   16.960957][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960959][    C1]  ? vxlan_rcv (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/vxlan/vxlan_core.c:1804 (discriminator 2)) vxlan
[   16.960964][    C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   16.960971][    C1]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   16.960977][    C1]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   16.960980][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960982][    C1]  ? do_xdp_generic (net/core/dev.c:5732)
[   16.960984][    C1]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844)
[   16.960986][    C1]  ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029)
[   16.960988][    C1]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54))
[   16.960990][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.960991][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.960994][    C1]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   16.960996][    C1]  ? elf_coredump_extra_notes_write (arch/x86/kernel/fpu/xstate.c:1941 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1985 (discriminator 1))
[   16.960998][    C1]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   16.961000][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.961002][    C1]  ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2))
[   16.961004][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.961006][    C1]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   16.961008][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.961009][    C1]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   16.961011][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.961013][    C1]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   16.961014][    C1]  ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2))
[   16.961016][    C1]  ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572)
[   16.961018][    C1]  gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647)
[   16.961020][    C1]  gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71)
[   16.961022][    C1]  __napi_poll (net/core/dev.c:7787)
[   16.961025][    C1]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   16.961027][    C1]  ? __napi_poll (./include/net/gro.h:507)
[   16.961030][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.961032][    C1]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   16.961034][    C1]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   16.961036][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.961038][    C1]  handle_softirqs (kernel/softirq.c:645)
[   16.961040][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.961041][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   16.961043][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   16.961045][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   16.961046][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   16.961048][    C1]  </IRQ>
[   16.961049][    C1]  <TASK>
[   16.961049][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   16.961051][    C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   16.961053][    C1] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   16.961054][    C1] RSP: 0018:ffa0000000547ab8 EFLAGS: 00000246
[   16.961055][    C1] RAX: 0000000000000092 RBX: ff11000005b5b6d8 RCX: ffffffffba7a8483
[   16.961056][    C1] RDX: ff1100000d380040 RSI: ffffffffbb038b01 RDI: ffffffffbaa8d8e0
[   16.961057][    C1] RBP: 0000000000000292 R08: 0000000000000000 R09: 0000000000000000
[   16.961058][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: fffa7c0000089580
[   16.961058][    C1] R13: 1ffa800000089588 R14: ffd400000044ac00 R15: 0000000000000001
[   16.961060][    C1]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   16.961063][    C1]  virtio_fs_request_complete (fs/fuse/virtio_fs.c:173 fs/fuse/virtio_fs.c:815)
[   16.961066][    C1]  virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:870)
[   16.961068][    C1]  ? virtio_fs_complete_req_work (fs/fuse/virtio_fs.c:824)
[   16.961071][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.961072][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.961075][    C1]  process_one_work (kernel/workqueue.c:3387)
[   16.961077][    C1]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   16.961079][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.961082][    C1]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   16.961084][    C1]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.961086][    C1]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.961088][    C1]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.961090][    C1]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.961091][    C1]  kthread (kernel/kthread.c:436)
[   16.961093][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.961094][    C1]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.961096][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.961098][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   16.961099][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.961101][    C1]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.961103][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.135729][   T12] softirqs last disabled at (37659): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   28.135731][   T12] Preemption disabled at:
| [   28.135732][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.135743][   T12] Tainted: [W]=WARN
[   28.135744][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.135746][   T12] Workqueue: netns cleanup_net
[   28.135752][   T12] Call Trace:
[   28.135753][   T12]  <TASK>
[   28.135755][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.135760][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.135762][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.135766][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.135769][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135773][   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))
[   28.135776][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.135779][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.135782][   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)
[   28.135784][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.135786][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   28.135788][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   28.135790][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.135792][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.135794][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.135798][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.135799][   T12]  ? 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)
[   28.135800][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.135802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135804][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135805][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.135807][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.135810][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.135812][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135814][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135815][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135817][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.135819][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.135821][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.135823][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.135826][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.135827][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.135829][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.135831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135832][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.135834][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.135835][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   28.135837][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.135839][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.135841][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.135843][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.135845][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   28.135848][   T12]  ? kthread (kernel/kthread.c:436)
[   28.135849][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   28.135852][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   28.135854][   T12]  _printk (kernel/printk/printk.c:2504)
[   28.135857][   T12]  ? snapshot_read.cold (user.c:?)
[   28.135860][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.135863][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.135864][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.135866][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   28.135868][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135870][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   28.135871][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   28.135874][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   28.135875][   T12]  ? 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)
[   28.135878][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   28.135881][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   28.135883][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   28.135897][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   28.135905][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   28.135912][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   28.135915][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   28.135917][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.135920][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   28.135922][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.135924][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.135925][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.135928][   T12]  process_one_work (kernel/workqueue.c:3387)
[   28.135930][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   28.135932][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.135934][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.135937][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.135940][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.135941][   T12]  kthread (kernel/kthread.c:436)
[   28.135943][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.135944][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.135946][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.135948][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   28.135949][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.135952][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars