======================================
| [   11.372783][  T186] softirqs last disabled at (42157): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.372785][  T186] Preemption disabled at:
| [   11.372786][  T186] 0x0
| [   11.372796][  T186] Tainted: [W]=WARN
[   11.372797][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.372798][  T186] Call Trace:
[   11.372800][  T186]  <TASK>
[   11.372802][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.372808][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.372812][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.372817][  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)
[   11.372822][  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))
[   11.372824][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.372830][  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)
[   11.372832][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.372836][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   11.372838][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.372840][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.372844][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.372850][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.372856][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.372858][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.372861][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.372865][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.372868][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.372870][  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))
[   11.372873][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.372876][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.372880][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.372884][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.372886][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.372891][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.372894][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.372896][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.372898][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.372901][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.372903][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.372907][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.372910][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.372914][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.372917][  T186]  _printk (kernel/printk/printk.c:2504)
[   11.372921][  T186]  ? snapshot_read.cold (user.c:?)
[   11.372924][  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)
[   11.372926][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.372930][  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)
[   11.372933][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.372936][  T186]  ? exit_notify (kernel/exit.c:780)
[   11.372938][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.372941][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.372946][  T186]  do_group_exit (kernel/exit.c:1151)
[   11.372948][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.372950][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.372952][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.372955][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.372958][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.372961][  T186] RIP: 0033:0x7f31cafe81b8
[   11.372963][  T186] Code: Unable to access opcode bytes at 0x7f31cafe818e.

Code starting with the faulting instruction
===========================================
[   11.372964][  T186] RSP: 002b:00007ffcd2ad4068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.372967][  T186] RAX: ffffffffffffffda RBX: 00007f31cb118f88 RCX: 00007f31cafe81b8
[   11.372968][  T186] RDX: 00007f31cad32fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.372969][  T186] RBP: 00007ffcd2ad40c0 R08: 0000000000000000 R09: 0000000000008010
[   11.372970][  T186] R10: 00007ffcd2ad3e80 R11: 0000000000000246 R12: 0000000000000001
[   11.372971][  T186] R13: 0000000000000000 R14: 00007f31cb117680 R15: 00007f31cb118fa0
| [   12.726945][  T243] softirqs last disabled at (14586): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.726948][  T243] Preemption disabled at:
| [   12.726949][  T243] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.726958][  T243] Tainted: [W]=WARN
[   12.726959][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.726961][  T243] Call Trace:
[   12.726963][  T243]  <TASK>
[   12.726964][  T243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.726970][  T243]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.726972][  T243]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.726977][  T243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.726981][  T243]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.726986][  T243]  __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))
[   12.726988][  T243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.726994][  T243]  ? 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)
[   12.726997][  T243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.727000][  T243]  put_chars (drivers/char/virtio_console.c:1176)
[   12.727003][  T243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.727007][  T243]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.727010][  T243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.727013][  T243]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.727015][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.727017][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.727021][  T243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.727023][  T243]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.727026][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.727030][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.727034][  T243]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.727038][  T243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.727040][  T243]  ? 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))
[   12.727043][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.727045][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.727049][  T243]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.727053][  T243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.727055][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.727060][  T243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.727063][  T243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.727065][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.727067][  T243]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.727071][  T243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.727073][  T243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.727076][  T243]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.727080][  T243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.727082][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.727084][  T243]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.727088][  T243]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.727092][  T243]  _printk (kernel/printk/printk.c:2504)
[   12.727096][  T243]  ? snapshot_read.cold (user.c:?)
[   12.727099][  T243]  ? br_multicast_flood (??:?) bridge
[   12.727112][  T243]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.727113][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.727115][  T243]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.727119][  T243] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.727130][  T243] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.727140][  T243] new_nbp (net/bridge/br_if.c:449) bridge
[   12.727152][  T243] br_add_if (net/bridge/br_if.c:592) bridge
[   12.727159][  T243]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.727163][  T243]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.727166][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   12.727170][  T243]  do_set_master (net/core/rtnetlink.c:3071)
[   12.727174][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.727177][  T243]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.727180][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.727182][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.727184][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.727188][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.727191][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.727192][  T243]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.727195][  T243]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.727198][  T243]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.727199][  T243]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.727202][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.727204][  T243]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.727207][  T243]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.727211][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.727213][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.727216][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.727218][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.727220][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.727222][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.727224][  T243]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.727228][  T243]  ? __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)
[   12.727230][  T243]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.727232][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.727235][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.727237][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.727242][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.727247][  T243]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.727252][  T243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.727254][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.727258][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.727260][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.727262][  T243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.727264][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.727268][  T243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.727270][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.727273][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.727274][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.727278][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.727280][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.727284][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.727286][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.727289][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.727295][  T243]  ? 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))
[   12.727296][  T243]  ? 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))
[   12.727300][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.727304][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.727307][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.727311][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.727315][  T243]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.727318][  T243]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.727324][  T243]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.727326][  T243]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.727328][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.727330][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   12.727337][  T243]  ___sys_sendmsg (net/socket.c:2767)
[   12.727340][  T243]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.727355][  T243]  __sys_sendmsg (net/socket.c:2799)
[   12.727358][  T243]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.727364][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.727368][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.727371][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.727374][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.727376][  T243] RIP: 0033:0x7fbae1c7654e
[   12.727379][  T243] 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
[   12.727381][  T243] RSP: 002b:00007ffdab0dc1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.727384][  T243] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbae1c7654e
[   12.727386][  T243] RDX: 0000000000000000 RSI: 00007ffdab0dc2a0 RDI: 0000000000000005
[   12.727387][  T243] RBP: 00007ffdab0dc200 R08: 0000000000000000 R09: 0000000000000000
[   12.727387][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd72
[   12.727388][  T243] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdab0dc960
| [   20.550957][  T299] softirqs last disabled at (20549): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.550960][  T299] Preemption disabled at:
| [   20.550960][  T299] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.550970][  T299] Tainted: [W]=WARN
[   20.550971][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.550972][  T299] Call Trace:
[   20.550974][  T299]  <TASK>
[   20.550975][  T299]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.550981][  T299]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.550983][  T299]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.550988][  T299]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.550992][  T299]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.550997][  T299]  __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))
[   20.550999][  T299]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.551004][  T299]  ? 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)
[   20.551007][  T299]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.551010][  T299]  put_chars (drivers/char/virtio_console.c:1176)
[   20.551012][  T299]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   20.551015][  T299]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.551017][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.551021][  T299]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.551025][  T299]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.551028][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.551029][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.551034][  T299]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.551035][  T299]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.551038][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.551041][  T299]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.551045][  T299]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.551049][  T299]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.551050][  T299]  ? 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))
[   20.551053][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.551056][  T299]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.551059][  T299]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.551064][  T299]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.551065][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.551070][  T299]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.551073][  T299]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.551075][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.551077][  T299]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.551081][  T299]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.551083][  T299]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.551087][  T299]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.551092][  T299]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.551097][  T299]  ? 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
[   20.551100][  T299]  _printk (kernel/printk/printk.c:2504)
[   20.551104][  T299]  ? snapshot_read.cold (user.c:?)
[   20.551110][  T299]  ? 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)
[   20.551113][  T299] gact_init_module (net/sched/act_gact.c:180) act_gact
[   20.551116][  T299]  do_one_initcall (init/main.c:1357)
[   20.551119][  T299]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.551123][  T299]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.551126][  T299]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.551131][  T299]  do_init_module (kernel/module/main.c:3117)
[   20.551135][  T299]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.551139][  T299]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.551142][  T299]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.551146][  T299]  load_module (kernel/module/main.c:3593)
[   20.551153][  T299]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.551156][  T299]  ? __ia32_sys_fsconfig (??:?)
[   20.551159][  T299]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   20.551163][  T299]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.551166][  T299]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.551170][  T299]  init_module_from_file (kernel/module/main.c:3790)
[   20.551173][  T299]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   20.551183][  T299]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.551186][  T299]  ? 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)
[   20.551189][  T299]  idempotent_init_module (kernel/module/main.c:3802)
[   20.551193][  T299]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.551199][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.551201][  T299]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.551207][  T299]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.551209][  T299]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.551213][  T299]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.551215][  T299]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.551218][  T299]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.551220][  T299] RIP: 0033:0x7f8f86a3337d
[   20.551223][  T299] 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
[   20.551225][  T299] RSP: 002b:00007fff60ed9d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.551227][  T299] RAX: ffffffffffffffda RBX: 000055e8c15fa810 RCX: 00007f8f86a3337d
[   20.551229][  T299] RDX: 0000000000000000 RSI: 000055e88d990ffd RDI: 0000000000000000
[   20.551230][  T299] RBP: 00007fff60ed9dd0 R08: 0000000000000000 R09: 0000000000000000
[   20.551231][  T299] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e88d990ffd
[   20.551231][  T299] R13: 000055e8c15fa960 R14: 0000000000040000 R15: 0000000000000000
| [   24.446278][    C2]
| [   24.446278][    C2]
| [   24.446278][    C2] stack backtrace:
| [   24.446284][    C2] Tainted: [W]=WARN
[   24.446285][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.446287][    C2] Call Trace:
[   24.446288][    C2]  <IRQ>
[   24.446290][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.446294][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   24.446296][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   24.446299][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   24.446301][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   24.446303][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   24.446305][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.446306][    C2]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   24.446309][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446312][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.446314][    C2]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   24.446316][    C2]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   24.446317][    C2]  console_emit_next_record (kernel/printk/printk.c:3177)
[   24.446319][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.446321][    C2]  ? 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))
[   24.446323][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446325][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.446326][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.446336][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.446338][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.446340][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.446342][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.446344][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446345][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.446347][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.446349][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.446351][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.446353][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.446355][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.446358][    C2]  _printk (kernel/printk/printk.c:2504)
[   24.446359][    C2]  ? snapshot_read.cold (user.c:?)
[   24.446361][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   24.446364][    C2]  ? idr_get_free (??:?)
[   24.446367][    C2] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit
[   24.446369][    C2]  ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit
[   24.446371][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.446373][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.446375][    C2]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162)
[   24.446378][    C2] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower
[   24.446380][    C2]  ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower
[   24.446387][    C2]  ? br_vlan_lookup (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rhashtable.h:711 (discriminator 2) net/bridge/br_vlan.c:34 (discriminator 2)) bridge
[   24.446399][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   24.446400][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.446403][    C2]  __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779)
[   24.446405][    C2]  tcf_classify (net/sched/cls_api.c:1875)
[   24.446407][    C2]  ? br_handle_frame_finish (net/bridge/br_input.c:226 (discriminator 3)) bridge
[   24.446416][    C2]  ? __tcf_classify (net/sched/cls_api.c:1784)
[   24.446418][    C2]  ? do_idle (kernel/sched/idle.c:355)
[   24.446419][    C2]  ? cpu_in_idle (kernel/sched/idle.c:391)
[   24.446421][    C2]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[   24.446422][    C2]  ? avic_update_iommu_vcpu_affinity (./include/linux/lockdep.h:249 arch/x86/kvm/svm/avic.c:1013)
[   24.446424][    C2]  tc_run (net/core/dev.c:4463)
[   24.446425][    C2]  ? nf_hook_egress (./include/linux/netfilter_netdev.h:114)
[   24.446428][    C2]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   24.446429][    C2]  ? br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   24.446436][    C2]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4538 (discriminator 1) net/core/dev.c:6115 (discriminator 1))
[   24.446439][    C2]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   24.446440][    C2]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   24.446444][    C2]  ? do_xdp_generic (net/core/dev.c:5732)
[   24.446446][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.446449][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.446451][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.446453][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   24.446454][    C2]  __netif_receive_skb_one_core (net/core/dev.c:6262)
[   24.446456][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.446458][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   24.446459][    C2]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   24.446461][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446463][    C2]  process_backlog (net/core/dev.c:6728)
[   24.446466][    C2]  __napi_poll (net/core/dev.c:7787)
[   24.446468][    C2]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   24.446470][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.446472][    C2]  ? __napi_poll (./include/net/gro.h:507)
[   24.446474][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.446476][    C2]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   24.446479][    C2]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   24.446482][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446484][    C2]  handle_softirqs (kernel/softirq.c:645)
[   24.446486][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.446487][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   24.446489][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   24.446491][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   24.446492][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   24.446494][    C2]  </IRQ>
[   24.446495][    C2]  <TASK>
[   24.446496][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   24.446497][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   24.446500][    C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   24.446501][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   24.446504][    C2] RAX: 00000000000abf9f RBX: ff11000001bec6c0 RCX: ffffffff9d0f0307
[   24.446505][    C2] RDX: ff11000001bec6c0 RSI: ffffffff9fe38b1c RDI: ffffffff9f88d8e0
[   24.446506][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   24.446507][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   24.446507][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   24.446509][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   24.446511][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   24.446513][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   24.446514][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   24.446516][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   24.446518][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   24.446519][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446522][    C2]  do_idle (kernel/sched/idle.c:355)
[   24.446523][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   24.446524][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   24.446526][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   24.446528][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   24.446547][    C2] softirqs last disabled at (704417): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.446548][    C2] Preemption disabled at:
| [   24.446549][    C2] 0x0
| [   24.446554][    C2] Tainted: [W]=WARN
[   24.446554][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.446555][    C2] Call Trace:
[   24.446556][    C2]  <IRQ>
[   24.446556][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.446559][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.446562][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.446565][    C2]  ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424)
[   24.446567][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446569][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.446571][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.446572][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.446574][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.446576][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.446578][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   24.446580][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.446581][    C2]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   24.446583][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.446586][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.446587][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.446589][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.446592][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.446593][    C2]  ? 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))
[   24.446595][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446597][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.446599][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.446601][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.446603][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.446605][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.446607][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.446609][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446610][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.446612][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.446614][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.446616][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.446618][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.446620][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.446622][    C2]  _printk (kernel/printk/printk.c:2504)
[   24.446624][    C2]  ? snapshot_read.cold (user.c:?)
[   24.446625][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   24.446628][    C2]  ? idr_get_free (??:?)
[   24.446630][    C2] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit
[   24.446633][    C2]  ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit
[   24.446635][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.446636][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.446638][    C2]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162)
[   24.446641][    C2] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower
[   24.446643][    C2]  ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower
[   24.446650][    C2]  ? br_vlan_lookup (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rhashtable.h:711 (discriminator 2) net/bridge/br_vlan.c:34 (discriminator 2)) bridge
[   24.446656][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   24.446658][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.446661][    C2]  __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779)
[   24.446663][    C2]  tcf_classify (net/sched/cls_api.c:1875)
[   24.446665][    C2]  ? br_handle_frame_finish (net/bridge/br_input.c:226 (discriminator 3)) bridge
[   24.446672][    C2]  ? __tcf_classify (net/sched/cls_api.c:1784)
[   24.446673][    C2]  ? do_idle (kernel/sched/idle.c:355)
[   24.446674][    C2]  ? cpu_in_idle (kernel/sched/idle.c:391)
[   24.446676][    C2]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[   24.446677][    C2]  ? avic_update_iommu_vcpu_affinity (./include/linux/lockdep.h:249 arch/x86/kvm/svm/avic.c:1013)
[   24.446679][    C2]  tc_run (net/core/dev.c:4463)
[   24.446680][    C2]  ? nf_hook_egress (./include/linux/netfilter_netdev.h:114)
[   24.446682][    C2]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   24.446683][    C2]  ? br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   24.446690][    C2]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4538 (discriminator 1) net/core/dev.c:6115 (discriminator 1))
[   24.446692][    C2]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   24.446694][    C2]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   24.446696][    C2]  ? do_xdp_generic (net/core/dev.c:5732)
[   24.446699][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.446701][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.446703][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.446705][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   24.446706][    C2]  __netif_receive_skb_one_core (net/core/dev.c:6262)
[   24.446708][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.446710][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   24.446711][    C2]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   24.446713][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446716][    C2]  process_backlog (net/core/dev.c:6728)
[   24.446718][    C2]  __napi_poll (net/core/dev.c:7787)
[   24.446720][    C2]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   24.446723][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.446724][    C2]  ? __napi_poll (./include/net/gro.h:507)
[   24.446726][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.446729][    C2]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   24.446730][    C2]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   24.446732][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446734][    C2]  handle_softirqs (kernel/softirq.c:645)
[   24.446736][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.446738][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   24.446740][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   24.446741][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   24.446742][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   24.446744][    C2]  </IRQ>
[   24.446745][    C2]  <TASK>
[   24.446745][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   24.446747][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   24.446749][    C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   24.446750][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   24.446751][    C2] RAX: 00000000000abf9f RBX: ff11000001bec6c0 RCX: ffffffff9d0f0307
[   24.446752][    C2] RDX: ff11000001bec6c0 RSI: ffffffff9fe38b1c RDI: ffffffff9f88d8e0
[   24.446753][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   24.446754][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   24.446754][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   24.446756][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   24.446758][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   24.446760][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   24.446761][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   24.446763][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   24.446764][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   24.446766][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.446768][    C2]  do_idle (kernel/sched/idle.c:355)
[   24.446769][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   24.446771][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   24.446772][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))


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