======================================
| [    9.609488][  T187] softirqs last disabled at (31790): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.609490][  T187] Preemption disabled at:
| [    9.609491][  T187] 0x0
| [    9.609501][  T187] Tainted: [W]=WARN
[    9.609502][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.609504][  T187] Call Trace:
[    9.609506][  T187]  <TASK>
[    9.609507][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.609514][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.609518][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.609523][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.609528][  T187]  __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))
[    9.609530][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.609536][  T187]  ? 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)
[    9.609539][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.609542][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.609545][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.609546][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.609551][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.609556][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.609563][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.609565][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.609567][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.609571][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.609575][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.609577][  T187]  ? 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))
[    9.609580][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.609583][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.609587][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.609591][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.609593][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.609598][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.609601][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.609603][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.609605][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.609609][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.609610][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.609614][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.609618][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.609621][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.609625][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.609629][  T187]  ? snapshot_read.cold (user.c:?)
[    9.609632][  T187]  ? 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)
[    9.609634][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.609638][  T187]  ? 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)
[    9.609641][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.609645][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.609647][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.609650][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.609654][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.609657][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.609659][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.609661][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.609664][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.609667][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.609670][  T187] RIP: 0033:0x7f4aa9b081b8
[    9.609672][  T187] Code: Unable to access opcode bytes at 0x7f4aa9b0818e.

Code starting with the faulting instruction
===========================================
[    9.609674][  T187] RSP: 002b:00007ffebdaa5278 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.609676][  T187] RAX: ffffffffffffffda RBX: 00007f4aa9c38f88 RCX: 00007f4aa9b081b8
[    9.609677][  T187] RDX: 00007f4aa9852fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.609678][  T187] RBP: 00007ffebdaa52d0 R08: 0000000000000000 R09: 0000000000008010
[    9.609679][  T187] R10: 00007ffebdaa5090 R11: 0000000000000246 R12: 0000000000000001
[    9.609680][  T187] R13: 0000000000000000 R14: 00007f4aa9c37680 R15: 00007f4aa9c38fa0
| [   11.487833][  T268] softirqs last disabled at (12446): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.487836][  T268] Preemption disabled at:
| [   11.487836][  T268] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.487845][  T268] Tainted: [W]=WARN
[   11.487846][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.487848][  T268] Call Trace:
[   11.487849][  T268]  <TASK>
[   11.487851][  T268]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.487856][  T268]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.487859][  T268]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.487863][  T268]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.487868][  T268]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.487873][  T268]  __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))
[   11.487875][  T268]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.487881][  T268]  ? 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)
[   11.487883][  T268]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.487886][  T268]  put_chars (drivers/char/virtio_console.c:1176)
[   11.487889][  T268]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.487893][  T268]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.487897][  T268]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.487900][  T268]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.487901][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.487903][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.487907][  T268]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.487909][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.487912][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.487916][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.487919][  T268]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.487923][  T268]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.487925][  T268]  ? 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))
[   11.487928][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.487930][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.487934][  T268]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.487938][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.487940][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.487945][  T268]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.487947][  T268]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.487949][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.487951][  T268]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.487955][  T268]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.487957][  T268]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.487960][  T268]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.487968][  T268]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.487970][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.487972][  T268]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.487976][  T268]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.487979][  T268]  _printk (kernel/printk/printk.c:2504)
[   11.487983][  T268]  ? snapshot_read.cold (user.c:?)
[   11.487986][  T268]  ? br_multicast_flood (??:?) bridge
[   11.487999][  T268]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.488001][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.488002][  T268]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.488006][  T268] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.488016][  T268] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.488024][  T268] new_nbp (net/bridge/br_if.c:449) bridge
[   11.488033][  T268] br_add_if (net/bridge/br_if.c:592) bridge
[   11.488040][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.488044][  T268]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.488047][  T268]  ? __kernel_text_address (kernel/extable.c:79)
[   11.488050][  T268]  do_set_master (net/core/rtnetlink.c:3071)
[   11.488055][  T268]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.488058][  T268]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.488061][  T268]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.488062][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.488065][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.488068][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.488071][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.488073][  T268]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.488075][  T268]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.488079][  T268]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.488080][  T268]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.488083][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488085][  T268]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.488088][  T268]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.488092][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.488094][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.488096][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.488099][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.488100][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.488102][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.488104][  T268]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.488108][  T268]  ? __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)
[   11.488110][  T268]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.488112][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.488115][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.488117][  T268]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.488122][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.488127][  T268]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.488132][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.488134][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488138][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.488140][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.488142][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.488144][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.488147][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.488149][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.488152][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.488153][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488158][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.488159][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.488163][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.488165][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.488167][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.488173][  T268]  ? 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))
[   11.488175][  T268]  ? 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))
[   11.488179][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.488182][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.488185][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488189][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.488193][  T268]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.488196][  T268]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.488201][  T268]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.488204][  T268]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.488206][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.488208][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   11.488215][  T268]  ___sys_sendmsg (net/socket.c:2767)
[   11.488217][  T268]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.488232][  T268]  __sys_sendmsg (net/socket.c:2799)
[   11.488235][  T268]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.488241][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.488245][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.488247][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.488250][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.488252][  T268] RIP: 0033:0x7f7d5532754e
[   11.488255][  T268] 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
[   11.488257][  T268] RSP: 002b:00007ffe8f700aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.488260][  T268] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7d5532754e
[   11.488262][  T268] RDX: 0000000000000000 RSI: 00007ffe8f700b50 RDI: 0000000000000005
[   11.488263][  T268] RBP: 00007ffe8f700ab0 R08: 0000000000000000 R09: 0000000000000000
[   11.488263][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b0e
[   11.488264][  T268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8f701210
| [   12.803216][  T317] softirqs last disabled at (12574): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.803219][  T317] Preemption disabled at:
| [   12.803219][  T317] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.803229][  T317] Tainted: [W]=WARN
[   12.803230][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.803232][  T317] Call Trace:
[   12.803233][  T317]  <TASK>
[   12.803235][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.803241][  T317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.803243][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.803248][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.803252][  T317]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.803258][  T317]  __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))
[   12.803260][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.803266][  T317]  ? 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)
[   12.803269][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.803272][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   12.803274][  T317]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   12.803276][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.803279][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.803284][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.803286][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.803290][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.803293][  T317]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.803295][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.803297][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.803301][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.803303][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.803306][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.803309][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.803313][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.803317][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.803319][  T317]  ? 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))
[   12.803322][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.803325][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.803329][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.803333][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.803335][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.803340][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.803343][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.803345][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.803348][  T317]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.803352][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.803353][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.803357][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.803361][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.803364][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.803366][  T317]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.803370][  T317]  _printk (kernel/printk/printk.c:2504)
[   12.803374][  T317]  ? snapshot_read.cold (user.c:?)
[   12.803379][  T317]  ? br_multicast_flood (??:?) bridge
[   12.803392][  T317]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.803393][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.803394][  T317]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.803399][  T317] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.803410][  T317] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.803419][  T317] new_nbp (net/bridge/br_if.c:449) bridge
[   12.803428][  T317] br_add_if (net/bridge/br_if.c:592) bridge
[   12.803435][  T317]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.803440][  T317]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.803443][  T317]  ? __kernel_text_address (kernel/extable.c:79)
[   12.803447][  T317]  do_set_master (net/core/rtnetlink.c:3071)
[   12.803452][  T317]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.803455][  T317]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.803458][  T317]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.803460][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.803462][  T317]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.803466][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.803468][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.803471][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.803476][  T317]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.803480][  T317]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.803482][  T317]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.803486][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.803489][  T317]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.803492][  T317]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.803497][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.803499][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.803501][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.803504][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.803505][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.803507][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.803510][  T317]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.803514][  T317]  ? __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)
[   12.803517][  T317]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.803519][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.803522][  T317]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.803524][  T317]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.803529][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.803535][  T317]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.803540][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.803542][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.803546][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.803548][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.803550][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.803552][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.803556][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.803558][  T317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.803561][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.803563][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.803567][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.803569][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.803573][  T317]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.803575][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.803578][  T317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.803584][  T317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.803586][  T317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.803590][  T317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.803594][  T317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.803597][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.803601][  T317]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.803605][  T317]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.803609][  T317]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.803614][  T317]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.803617][  T317]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.803619][  T317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.803621][  T317]  ? move_addr_to_kernel (net/socket.c:258)
[   12.803628][  T317]  ___sys_sendmsg (net/socket.c:2767)
[   12.803631][  T317]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.803647][  T317]  __sys_sendmsg (net/socket.c:2799)
[   12.803650][  T317]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.803656][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.803660][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.803662][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.803666][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.803668][  T317] RIP: 0033:0x7f00d512454e
[   12.803671][  T317] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.803673][  T317] RSP: 002b:00007fff4d1dfe40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.803676][  T317] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f00d512454e
[   12.803678][  T317] RDX: 0000000000000000 RSI: 00007fff4d1dfef0 RDI: 0000000000000005
[   12.803679][  T317] RBP: 00007fff4d1dfe50 R08: 0000000000000000 R09: 0000000000000000
[   12.803680][  T317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b10
[   12.803680][  T317] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4d1e05b0
| [   13.962051][  T361] softirqs last disabled at (16605): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.962054][  T361] Preemption disabled at:
| [   13.962054][  T361] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.962064][  T361] Tainted: [W]=WARN
[   13.962065][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.962066][  T361] Call Trace:
[   13.962068][  T361]  <TASK>
[   13.962069][  T361]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.962075][  T361]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.962078][  T361]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.962082][  T361]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.962087][  T361]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.962092][  T361]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.962094][  T361]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.962100][  T361]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.962102][  T361]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.962106][  T361]  put_chars (drivers/char/virtio_console.c:1176)
[   13.962108][  T361]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.962110][  T361]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.962113][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.962117][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.962120][  T361]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.962123][  T361]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.962126][  T361]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.962128][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.962130][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.962134][  T361]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.962136][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.962139][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.962142][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.962146][  T361]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.962149][  T361]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.962151][  T361]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.962154][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.962157][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.962161][  T361]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.962165][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.962167][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.962172][  T361]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.962175][  T361]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.962176][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.962179][  T361]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.962182][  T361]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.962184][  T361]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.962188][  T361]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.962191][  T361]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.962194][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.962197][  T361]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.962200][  T361]  _printk (kernel/printk/printk.c:2504)
[   13.962204][  T361]  ? snapshot_read.cold (user.c:?)
[   13.962208][  T361]  ? br_multicast_flood (??:?) bridge
[   13.962221][  T361]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.962222][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.962224][  T361]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.962228][  T361] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.962239][  T361] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.962247][  T361] new_nbp (net/bridge/br_if.c:449) bridge
[   13.962256][  T361] br_add_if (net/bridge/br_if.c:592) bridge
[   13.962263][  T361]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.962268][  T361]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.962271][  T361]  ? __kernel_text_address (kernel/extable.c:79)
[   13.962275][  T361]  do_set_master (net/core/rtnetlink.c:3071)
[   13.962279][  T361]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.962282][  T361]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.962286][  T361]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.962287][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.962289][  T361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.962293][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.962295][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.962297][  T361]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.962300][  T361]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.962303][  T361]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.962305][  T361]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.962308][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.962309][  T361]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.962312][  T361]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.962317][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.962319][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.962322][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.962324][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.962326][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.962328][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.962330][  T361]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.962334][  T361]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.962337][  T361]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.962339][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.962343][  T361]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.962345][  T361]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.962350][  T361]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.962355][  T361]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.962360][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.962362][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.962366][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.962368][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.962371][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.962372][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.962376][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.962378][  T361]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.962381][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.962383][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.962387][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.962389][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.962392][  T361]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.962394][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.962397][  T361]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.962403][  T361]  ? 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))
[   13.962405][  T361]  ? 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))
[   13.962409][  T361]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.962413][  T361]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.962415][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.962420][  T361]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.962423][  T361]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.962427][  T361]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.962433][  T361]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.962435][  T361]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.962437][  T361]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.962439][  T361]  ? move_addr_to_kernel (net/socket.c:258)
[   13.962446][  T361]  ___sys_sendmsg (net/socket.c:2767)
[   13.962449][  T361]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.962465][  T361]  __sys_sendmsg (net/socket.c:2799)
[   13.962468][  T361]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.962477][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.962483][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.962486][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.962489][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.962492][  T361] RIP: 0033:0x7f729450454e
[   13.962495][  T361] 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
[   13.962497][  T361] RSP: 002b:00007ffc9e81b860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.962500][  T361] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f729450454e
[   13.962502][  T361] RDX: 0000000000000000 RSI: 00007ffc9e81b910 RDI: 0000000000000005
[   13.962503][  T361] RBP: 00007ffc9e81b870 R08: 0000000000000000 R09: 0000000000000000
[   13.962503][  T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b11
[   13.962504][  T361] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9e81bfd0
| [   21.224401][  T443] softirqs last disabled at (22737): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.224404][  T443] Preemption disabled at:
| [   21.224404][  T443] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.224414][  T443] Tainted: [W]=WARN
[   21.224415][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.224417][  T443] Call Trace:
[   21.224418][  T443]  <TASK>
[   21.224420][  T443]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.224427][  T443]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.224429][  T443]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.224434][  T443]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.224438][  T443]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.224443][  T443]  __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))
[   21.224445][  T443]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.224451][  T443]  ? 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)
[   21.224454][  T443]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.224457][  T443]  put_chars (drivers/char/virtio_console.c:1176)
[   21.224459][  T443]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   21.224462][  T443]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.224465][  T443]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.224468][  T443]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.224476][  T443]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.224479][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.224482][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.224487][  T443]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.224488][  T443]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.224491][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.224495][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.224498][  T443]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.224502][  T443]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.224504][  T443]  ? 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))
[   21.224507][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.224510][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.224514][  T443]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.224518][  T443]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.224520][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.224525][  T443]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.224528][  T443]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.224530][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.224532][  T443]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.224536][  T443]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.224538][  T443]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.224541][  T443]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.224545][  T443]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.224551][  T443]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   21.224554][  T443]  _printk (kernel/printk/printk.c:2504)
[   21.224558][  T443]  ? snapshot_read.cold (user.c:?)
[   21.224564][  T443]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   21.224567][  T443] gact_init_module (net/sched/act_gact.c:180) act_gact
[   21.224570][  T443]  do_one_initcall (init/main.c:1357)
[   21.224573][  T443]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   21.224577][  T443]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   21.224580][  T443]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   21.224585][  T443]  do_init_module (kernel/module/main.c:3117)
[   21.224589][  T443]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.224594][  T443]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   21.224597][  T443]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   21.224601][  T443]  load_module (kernel/module/main.c:3593)
[   21.224608][  T443]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   21.224612][  T443]  ? __ia32_sys_fsconfig (??:?)
[   21.224616][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.224619][  T443]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.224623][  T443]  init_module_from_file (kernel/module/main.c:3790)
[   21.224626][  T443]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   21.224634][  T443]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.224637][  T443]  ? 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)
[   21.224640][  T443]  idempotent_init_module (kernel/module/main.c:3802)
[   21.224644][  T443]  ? init_module_from_file (kernel/module/main.c:3791)
[   21.224650][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.224653][  T443]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   21.224659][  T443]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   21.224662][  T443]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.224665][  T443]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.224667][  T443]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.224670][  T443]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.224672][  T443] RIP: 0033:0x7fc3fd07a37d
[   21.224676][  T443] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.224678][  T443] RSP: 002b:00007ffe0a18ec98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   21.224681][  T443] RAX: ffffffffffffffda RBX: 000056355c47e810 RCX: 00007fc3fd07a37d
[   21.224682][  T443] RDX: 0000000000000000 RSI: 000056354b931ffd RDI: 0000000000000000
[   21.224683][  T443] RBP: 00007ffe0a18ed30 R08: 0000000000000000 R09: 0000000000000000
[   21.224684][  T443] R10: 0000000000000000 R11: 0000000000000246 R12: 000056354b931ffd
[   21.224685][  T443] R13: 000056355c47e960 R14: 0000000000040000 R15: 0000000000000000
| [   27.009060][    C0] softirqs last disabled at (820881): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.009062][    C0] Preemption disabled at:
| [   27.009063][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.009072][    C0] Tainted: [W]=WARN
[   27.009073][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.009075][    C0] Call Trace:
[   27.009077][    C0]  <IRQ>
[   27.009079][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.009085][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.009086][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.009090][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.009092][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.009096][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.009098][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009102][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.009105][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.009107][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.009110][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.009112][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.009114][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.009116][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.009118][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.009121][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.009125][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.009126][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009128][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.009130][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.009132][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.009134][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009136][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009138][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.009140][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.009141][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.009144][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.009146][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.009148][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.009150][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.009151][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009153][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.009154][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.009156][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.009158][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.009160][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.009163][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.009164][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009166][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.009168][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   27.009173][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.009176][    C0]  ? snapshot_read.cold (user.c:?)
[   27.009178][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.009182][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.009184][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.009186][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.009188][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.009191][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.009193][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.009195][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.009197][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.009199][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.009211][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009213][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.009215][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.009221][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.009223][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.009229][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.009237][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.009244][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.009247][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.009249][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.009253][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.009254][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.009256][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009259][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.009260][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.009267][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.009269][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.009272][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.009274][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.009276][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.009278][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.009280][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009282][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.009284][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.009286][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.009288][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.009289][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.009291][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.009293][    C0]  </IRQ>
[   27.009294][    C0]  <TASK>
[   27.009294][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.009296][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.009299][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.009301][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.009303][    C0] RSP: 0018:ffffffff98c07cf8 EFLAGS: 00000296
[   27.009307][    C0] RAX: 00000000000c868f RBX: ffffffff98c1c600 RCX: ffffffff95cf0307
[   27.009308][    C0] RDX: ffffffff98c1c600 RSI: ffffffff98a38b01 RDI: ffffffff9848d8e0
[   27.009309][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.009310][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3180fa2
[   27.009311][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.009312][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.009316][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.009317][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.009319][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.009321][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.009322][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.009324][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.009326][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.009328][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.009330][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.009331][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.009333][    C0]  rest_init (init/main.c:727)
[   27.009335][    C0]  ? __cpuidle_text_end (??:?)
[   27.009337][    C0]  ? rest_init (init/main.c:727)
[   27.009339][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.009343][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.009345][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.009348][    C0]  start_kernel (init/main.c:1185)
[   27.009350][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.009352][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.009354][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.074420][    C0]
| [   27.074491][    C0]
| [   27.074491][    C0] stack backtrace:
| [   27.074722][    C0] Tainted: [W]=WARN
[   27.074723][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.074724][    C0] Call Trace:
[   27.074725][    C0]  <IRQ>
[   27.074726][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.074730][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.074732][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.074735][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.074737][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.074739][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.074741][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.074743][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.074749][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.074753][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.074755][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.074761][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.074762][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.074769][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.074776][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.074782][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.074784][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.074786][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.074789][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.074791][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.074793][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.074795][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.074797][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.074804][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.074806][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.074808][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.074811][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.074813][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.074814][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.074817][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.074818][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.074820][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.074822][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.074824][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.074825][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.074827][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.074829][    C0]  </IRQ>
[   27.074829][    C0]  <TASK>
[   27.074830][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.074831][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.074833][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.074835][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.074837][    C0] RSP: 0018:ffffffff98c07cf8 EFLAGS: 00000296
[   27.074839][    C0] RAX: 00000000000c868f RBX: ffffffff98c1c600 RCX: ffffffff95cf0307
[   27.074840][    C0] RDX: ffffffff98c1c600 RSI: ffffffff98a38b01 RDI: ffffffff9848d8e0
[   27.074841][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.074842][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3180fa2
[   27.074843][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.074844][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.074847][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.074848][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.074850][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.074851][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.074853][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.074855][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.074857][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.074858][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.074866][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.074868][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.074869][    C0]  rest_init (init/main.c:727)
[   27.074871][    C0]  ? __cpuidle_text_end (??:?)
[   27.074874][    C0]  ? rest_init (init/main.c:727)
[   27.074876][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.074879][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.074881][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.074883][    C0]  start_kernel (init/main.c:1185)
[   27.074885][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.074887][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.074889][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   64.516321][   T12] softirqs last disabled at (28532): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   64.516324][   T12] Preemption disabled at:
| [   64.516325][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.516337][   T12] Tainted: [W]=WARN
[   64.516338][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.516340][   T12] Workqueue: netns cleanup_net
[   64.516346][   T12] Call Trace:
[   64.516347][   T12]  <TASK>
[   64.516349][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.516354][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.516356][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.516360][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.516364][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516368][   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))
[   64.516371][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.516374][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.516378][   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)
[   64.516379][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.516381][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   64.516383][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   64.516385][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.516387][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   64.516389][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.516393][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.516394][   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)
[   64.516396][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.516397][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516399][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516401][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.516403][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.516405][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.516408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516409][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516413][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.516414][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   64.516416][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.516419][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.516421][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.516423][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.516425][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.516426][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516428][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.516429][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.516431][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   64.516433][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.516436][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.516439][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.516443][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.516445][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   64.516449][   T12]  ? kthread (kernel/kthread.c:436)
[   64.516451][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   64.516453][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   64.516456][   T12]  _printk (kernel/printk/printk.c:2504)
[   64.516459][   T12]  ? snapshot_read.cold (user.c:?)
[   64.516462][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.516465][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.516467][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.516468][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   64.516470][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516472][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   64.516474][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   64.516477][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   64.516478][   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)
[   64.516481][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   64.516484][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   64.516487][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   64.516500][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   64.516508][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   64.516516][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   64.516518][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   64.516520][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   64.516524][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   64.516526][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   64.516528][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.516529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.516532][   T12]  process_one_work (kernel/workqueue.c:3387)
[   64.516535][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   64.516537][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.516540][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   64.516543][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   64.516544][   T12]  kthread (kernel/kthread.c:436)
[   64.516546][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.516547][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   64.516549][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.516551][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   64.516553][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   64.516555][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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