======================================
| [    9.934907][  T187] softirqs last disabled at (46685): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.934909][  T187] Preemption disabled at:
| [    9.934910][  T187] 0x0
| [    9.934921][  T187] Tainted: [W]=WARN
[    9.934922][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.934923][  T187] Call Trace:
[    9.934925][  T187]  <TASK>
[    9.934926][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.934933][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.934937][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.934941][  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)
[    9.934946][  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))
[    9.934949][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.934955][  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)
[    9.934957][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.934960][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.934963][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.934964][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.934969][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.934974][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.934980][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.934982][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.934984][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.934988][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.934991][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.934993][  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))
[    9.934999][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.935002][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.935006][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.935010][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.935012][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.935017][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.935020][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.935021][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.935024][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.935027][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.935029][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.935032][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.935036][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.935039][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.935043][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.935046][  T187]  ? snapshot_read.cold (user.c:?)
[    9.935049][  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)
[    9.935051][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.935055][  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)
[    9.935057][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.935061][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.935063][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.935066][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.935070][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.935073][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.935074][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.935076][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.935080][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.935082][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.935085][  T187] RIP: 0033:0x7ff59ddc71b8
[    9.935087][  T187] Code: Unable to access opcode bytes at 0x7ff59ddc718e.

Code starting with the faulting instruction
===========================================
[    9.935088][  T187] RSP: 002b:00007ffd7ace4c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.935091][  T187] RAX: ffffffffffffffda RBX: 00007ff59def7f88 RCX: 00007ff59ddc71b8
[    9.935092][  T187] RDX: 00007ff59db11fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.935093][  T187] RBP: 00007ffd7ace4cb0 R08: 0000000000000000 R09: 0000000000008010
[    9.935094][  T187] R10: 00007ffd7ace4a70 R11: 0000000000000246 R12: 0000000000000001
[    9.935095][  T187] R13: 0000000000000000 R14: 00007ff59def6680 R15: 00007ff59def7fa0
| [   12.270760][  T266] softirqs last disabled at (15456): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.270762][  T266] Preemption disabled at:
| [   12.270763][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.270773][  T266] Tainted: [W]=WARN
[   12.270774][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.270776][  T266] Call Trace:
[   12.270777][  T266]  <TASK>
[   12.270779][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.270785][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.270787][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.270791][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.270795][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.270800][  T266]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.270803][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.270808][  T266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.270811][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.270814][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   12.270817][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.270821][  T266]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.270824][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.270827][  T266]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.270829][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.270830][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.270834][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.270836][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.270839][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.270843][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.270847][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.270851][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.270852][  T266]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.270855][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.270858][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.270862][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.270865][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.270867][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.270872][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.270875][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.270877][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.270879][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.270882][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.270884][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.270887][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.270891][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.270894][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.270895][  T266]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.270899][  T266]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.270903][  T266]  _printk (kernel/printk/printk.c:2504)
[   12.270906][  T266]  ? snapshot_read.cold (user.c:?)
[   12.270910][  T266]  ? br_multicast_flood (??:?) bridge
[   12.270922][  T266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.270924][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.270925][  T266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.270929][  T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.270939][  T266] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.270947][  T266] new_nbp (net/bridge/br_if.c:449) bridge
[   12.270956][  T266] br_add_if (net/bridge/br_if.c:592) bridge
[   12.270963][  T266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.270967][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.270970][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   12.270974][  T266]  do_set_master (net/core/rtnetlink.c:3071)
[   12.270978][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.270981][  T266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.270984][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.270986][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.270988][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.270992][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.270994][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.270996][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.270999][  T266]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.271002][  T266]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.271003][  T266]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.271006][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.271008][  T266]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.271011][  T266]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.271016][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.271017][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.271020][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.271022][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.271024][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.271025][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.271028][  T266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.271032][  T266]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.271033][  T266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.271035][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.271038][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.271040][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.271045][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.271050][  T266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.271055][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.271057][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.271061][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.271063][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.271065][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.271067][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.271070][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.271072][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.271075][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.271077][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.271081][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.271083][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.271086][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.271088][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.271091][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.271096][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.271098][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.271102][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.271106][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.271108][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.271112][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.271116][  T266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.271119][  T266]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.271125][  T266]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.271127][  T266]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.271129][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.271131][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   12.271138][  T266]  ___sys_sendmsg (net/socket.c:2767)
[   12.271140][  T266]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.271155][  T266]  __sys_sendmsg (net/socket.c:2799)
[   12.271158][  T266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.271164][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.271168][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.271170][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.271174][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.271176][  T266] RIP: 0033:0x7f79258ce54e
[   12.271180][  T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.271181][  T266] RSP: 002b:00007ffebced5c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.271184][  T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f79258ce54e
[   12.271186][  T266] RDX: 0000000000000000 RSI: 00007ffebced5d00 RDI: 0000000000000005
[   12.271186][  T266] RBP: 00007ffebced5c60 R08: 0000000000000000 R09: 0000000000000000
[   12.271187][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156f9
[   12.271188][  T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebced63c0
| [   15.383571][  T367] softirqs last disabled at (13639): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.383575][  T367] Preemption disabled at:
| [   15.383576][  T367] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.383588][  T367] Tainted: [W]=WARN
[   15.383589][  T367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.383591][  T367] Call Trace:
[   15.383593][  T367]  <TASK>
[   15.383595][  T367]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.383603][  T367]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.383606][  T367]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.383612][  T367]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.383618][  T367]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.383625][  T367]  __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))
[   15.383628][  T367]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.383636][  T367]  ? 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)
[   15.383640][  T367]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.383645][  T367]  put_chars (drivers/char/virtio_console.c:1176)
[   15.383648][  T367]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.383651][  T367]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.383656][  T367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.383662][  T367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.383665][  T367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.383671][  T367]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.383681][  T367]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.383684][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.383686][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.383693][  T367]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.383696][  T367]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.383701][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.383704][  T367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.383711][  T367]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.383717][  T367]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.383719][  T367]  ? 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))
[   15.383724][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.383728][  T367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.383735][  T367]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.383741][  T367]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.383744][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.383753][  T367]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.383757][  T367]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.383760][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.383763][  T367]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.383769][  T367]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.383771][  T367]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.383777][  T367]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.383783][  T367]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.383787][  T367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.383791][  T367]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.383797][  T367]  _printk (kernel/printk/printk.c:2504)
[   15.383802][  T367]  ? snapshot_read.cold (user.c:?)
[   15.383809][  T367]  ? br_multicast_flood (??:?) bridge
[   15.383826][  T367]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.383829][  T367]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.383831][  T367]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.383839][  T367] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.383856][  T367] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.383872][  T367] new_nbp (net/bridge/br_if.c:449) bridge
[   15.383887][  T367] br_add_if (net/bridge/br_if.c:592) bridge
[   15.383899][  T367]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.383904][  T367]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.383909][  T367]  ? __kernel_text_address (kernel/extable.c:79)
[   15.383915][  T367]  do_set_master (net/core/rtnetlink.c:3071)
[   15.383923][  T367]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.383928][  T367]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.383932][  T367]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.383935][  T367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.383938][  T367]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.383943][  T367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.383947][  T367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.383949][  T367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.383954][  T367]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.383957][  T367]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.383960][  T367]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.383964][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.383967][  T367]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.383971][  T367]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.383978][  T367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.383980][  T367]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.383985][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.383988][  T367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.383991][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.383993][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.383998][  T367]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.384004][  T367]  ? __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)
[   15.384008][  T367]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.384011][  T367]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.384017][  T367]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.384020][  T367]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.384028][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.384038][  T367]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.384047][  T367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.384050][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.384058][  T367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.384061][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.384064][  T367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.384067][  T367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.384073][  T367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.384077][  T367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.384082][  T367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.384084][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.384091][  T367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.384094][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.384100][  T367]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.384103][  T367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.384108][  T367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.384119][  T367]  ? 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))
[   15.384121][  T367]  ? 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))
[   15.384128][  T367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.384135][  T367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.384139][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.384146][  T367]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.384153][  T367]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.384159][  T367]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.384168][  T367]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.384172][  T367]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.384175][  T367]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.384177][  T367]  ? move_addr_to_kernel (net/socket.c:258)
[   15.384190][  T367]  ___sys_sendmsg (net/socket.c:2767)
[   15.384195][  T367]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.384223][  T367]  __sys_sendmsg (net/socket.c:2799)
[   15.384228][  T367]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.384239][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.384245][  T367]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.384248][  T367]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.384253][  T367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.384256][  T367] RIP: 0033:0x7f732e44154e
[   15.384262][  T367] 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
[   15.384265][  T367] RSP: 002b:00007fffc7131af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.384270][  T367] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f732e44154e
[   15.384272][  T367] RDX: 0000000000000000 RSI: 00007fffc7131ba0 RDI: 0000000000000005
[   15.384274][  T367] RBP: 00007fffc7131b00 R08: 0000000000000000 R09: 0000000000000000
[   15.384275][  T367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156fc
[   15.384276][  T367] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc7132260
| [   16.475194][    C0]
| [   16.475194][    C0]
| [   16.475194][    C0] stack backtrace:
| [   16.475201][    C0] Tainted: [W]=WARN
[   16.475202][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.475204][    C0] Workqueue: mld mld_ifc_work
[   16.475208][    C0] Call Trace:
[   16.475209][    C0]  <IRQ>
[   16.475210][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.475214][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   16.475217][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   16.475220][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   16.475221][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   16.475223][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   16.475225][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475227][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.475229][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475232][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475234][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.475236][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.475237][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   16.475239][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.475241][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.475243][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475245][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475246][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.475249][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.475250][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475252][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.475254][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.475256][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475258][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.475259][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.475261][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.475263][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.475265][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.475267][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475269][    C0]  _printk (kernel/printk/printk.c:2504)
[   16.475271][    C0]  ? snapshot_read.cold (user.c:?)
[   16.475272][    C0]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   16.475276][    C0]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   16.475282][    C0]  ? idr_get_free (??:?)
[   16.475284][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.475286][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.475288][    C0] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   16.475295][    C0]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   16.475302][    C0]  ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge
[   16.475310][    C0]  ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge
[   16.475316][    C0] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   16.475323][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475324][    C0]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   16.475331][    C0]  ? vxlan_rcv (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/vxlan/vxlan_core.c:1804 (discriminator 2)) vxlan
[   16.475336][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.475337][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475340][    C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   16.475346][    C0]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   16.475353][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   16.475356][    C0]  ? __udp4_lib_lookup (net/ipv4/udp.c:714)
[   16.475359][    C0]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   16.475362][    C0]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390)
[   16.475364][    C0]  ? do_xdp_generic (net/core/dev.c:5732)
[   16.475366][    C0]  ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578)
[   16.475367][    C0]  ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3))
[   16.475369][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475371][    C0]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1))
[   16.475373][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475374][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475376][    C0]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   16.475379][    C0]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   16.475380][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475382][    C0]  ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2))
[   16.475384][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475386][    C0]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   16.475388][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.475389][    C0]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   16.475391][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.475393][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.475395][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475397][    C0]  napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865)
[   16.475398][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475402][    C0]  ? netif_receive_skb_list (net/core/dev.c:6551)
[   16.475404][    C0]  ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2))
[   16.475407][    C0]  gro_cell_poll (net/core/gro_cells.c:76)
[   16.475409][    C0]  __napi_poll (net/core/dev.c:7787)
[   16.475411][    C0]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   16.475413][    C0]  ? wakeup_preempt_fair (kernel/sched/fair.c:1142 kernel/sched/fair.c:10033)
[   16.475416][    C0]  ? __napi_poll (./include/net/gro.h:507)
[   16.475418][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475421][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475423][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.475424][    C0]  handle_softirqs (kernel/softirq.c:645)
[   16.475426][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   16.475428][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475429][    C0]  ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22))
[   16.475432][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   16.475434][    C0]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   16.475435][    C0]  </IRQ>
[   16.475436][    C0]  <TASK>
[   16.475436][    C0]  __local_bh_enable_ip (kernel/softirq.c:473)
[   16.475438][    C0]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   16.475441][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   16.475442][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475444][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475445][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475447][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475448][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.475450][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   16.475453][    C0]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   16.475455][    C0]  ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138)
[   16.475457][    C0]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   16.475458][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475459][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475461][    C0]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   16.475464][    C0]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   16.475466][    C0]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   16.475467][    C0]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   16.475468][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475470][    C0]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[   16.475473][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.475475][    C0]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   16.475476][    C0]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   16.475477][    C0]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[   16.475479][    C0]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4))
[   16.475481][    C0]  ? mld_dad_start_work (net/ipv6/mcast.c:1133)
[   16.475484][    C0]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148)
[   16.475486][    C0]  mld_ifc_work (net/ipv6/mcast.c:2711)
[   16.475488][    C0]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   16.475489][    C0]  process_one_work (kernel/workqueue.c:3387)
[   16.475492][    C0]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   16.475494][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475497][    C0]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   16.475499][    C0]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.475500][    C0]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.475502][    C0]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.475504][    C0]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.475505][    C0]  kthread (kernel/kthread.c:436)
[   16.475507][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.475509][    C0]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.475511][    C0]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.475512][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   16.475514][    C0]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.475517][    C0]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.475519][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.475537][    C0] softirqs last disabled at (35389): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   16.475539][    C0] Preemption disabled at:
| [   16.475540][    C0] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   16.475544][    C0] Tainted: [W]=WARN
[   16.475545][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.475546][    C0] Workqueue: mld mld_ifc_work
[   16.475548][    C0] Call Trace:
[   16.475548][    C0]  <IRQ>
[   16.475549][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.475551][    C0]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   16.475553][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.475556][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.475558][    C0]  ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424)
[   16.475560][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475562][    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))
[   16.475564][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.475566][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.475567][    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)
[   16.475569][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.475571][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   16.475573][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.475575][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   16.475577][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.475579][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.475580][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475582][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475584][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.475586][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.475588][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.475590][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475591][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475593][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.475596][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.475597][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475599][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.475601][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.475603][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475605][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.475606][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.475608][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.475610][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.475612][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.475614][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475616][    C0]  _printk (kernel/printk/printk.c:2504)
[   16.475618][    C0]  ? snapshot_read.cold (user.c:?)
[   16.475619][    C0]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   16.475622][    C0]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   16.475628][    C0]  ? idr_get_free (??:?)
[   16.475630][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.475631][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.475633][    C0] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   16.475640][    C0]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   16.475646][    C0]  ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge
[   16.475652][    C0]  ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge
[   16.475659][    C0] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   16.475665][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475667][    C0]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   16.475673][    C0]  ? vxlan_rcv (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/vxlan/vxlan_core.c:1804 (discriminator 2)) vxlan
[   16.475676][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.475678][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475685][    C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   16.475691][    C0]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   16.475697][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   16.475700][    C0]  ? __udp4_lib_lookup (net/ipv4/udp.c:714)
[   16.475702][    C0]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   16.475705][    C0]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390)
[   16.475706][    C0]  ? do_xdp_generic (net/core/dev.c:5732)
[   16.475708][    C0]  ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578)
[   16.475710][    C0]  ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3))
[   16.475712][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475713][    C0]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1))
[   16.475715][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475717][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475718][    C0]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   16.475721][    C0]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   16.475723][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475724][    C0]  ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2))
[   16.475726][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475728][    C0]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   16.475730][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.475732][    C0]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   16.475734][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.475735][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.475737][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475739][    C0]  napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865)
[   16.475741][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475742][    C0]  ? netif_receive_skb_list (net/core/dev.c:6551)
[   16.475744][    C0]  ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2))
[   16.475746][    C0]  gro_cell_poll (net/core/gro_cells.c:76)
[   16.475749][    C0]  __napi_poll (net/core/dev.c:7787)
[   16.475750][    C0]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   16.475753][    C0]  ? wakeup_preempt_fair (kernel/sched/fair.c:1142 kernel/sched/fair.c:10033)
[   16.475755][    C0]  ? __napi_poll (./include/net/gro.h:507)
[   16.475756][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475759][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475761][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.475763][    C0]  handle_softirqs (kernel/softirq.c:645)
[   16.475765][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   16.475766][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475768][    C0]  ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22))
[   16.475769][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   16.475771][    C0]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   16.475773][    C0]  </IRQ>
[   16.475773][    C0]  <TASK>
[   16.475774][    C0]  __local_bh_enable_ip (kernel/softirq.c:473)
[   16.475775][    C0]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   16.475778][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   16.475780][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475781][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475783][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475784][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475786][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.475787][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   16.475789][    C0]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   16.475791][    C0]  ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138)
[   16.475793][    C0]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   16.475794][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475795][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475797][    C0]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   16.475799][    C0]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   16.475801][    C0]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   16.475802][    C0]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   16.475804][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475805][    C0]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[   16.475807][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.475808][    C0]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   16.475810][    C0]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   16.475811][    C0]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[   16.475813][    C0]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4))
[   16.475815][    C0]  ? mld_dad_start_work (net/ipv6/mcast.c:1133)
[   16.475818][    C0]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148)
[   16.475820][    C0]  mld_ifc_work (net/ipv6/mcast.c:2711)
[   16.475821][    C0]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   16.475823][    C0]  process_one_work (kernel/workqueue.c:3387)
[   16.475825][    C0]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   16.475827][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475830][    C0]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   16.475832][    C0]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.475834][    C0]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.475835][    C0]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.475837][    C0]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.475838][    C0]  kthread (kernel/kthread.c:436)
[   16.475840][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.475841][    C0]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.475843][    C0]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.475844][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   16.475846][    C0]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.475847][    C0]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.475849][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.872827][    C2] softirqs last disabled at (764869): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.872829][    C2] Preemption disabled at:
| [   21.872830][    C2] 0x0
| [   21.872841][    C2] Tainted: [W]=WARN
[   21.872841][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.872843][    C2] Call Trace:
[   21.872845][    C2]  <IRQ>
[   21.872847][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.872853][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.872856][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.872859][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.872863][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.872865][    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))
[   21.872869][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.872872][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.872876][    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)
[   21.872877][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.872879][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   21.872881][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.872883][    C2]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.872887][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.872890][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.872892][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.872893][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.872895][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.872897][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.872900][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.872902][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.872904][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.872905][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.872907][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.872909][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   21.872911][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.872913][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.872916][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.872917][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.872919][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.872921][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.872922][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.872924][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.872925][    C2]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   21.872927][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.872929][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.872931][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.872934][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.872936][    C2]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   21.872937][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.872939][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.872941][    C2]  _printk (kernel/printk/printk.c:2504)
[   21.872944][    C2]  ? snapshot_read.cold (user.c:?)
[   21.872946][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   21.872950][    C2]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   21.872963][    C2]  ? idr_get_free (??:?)
[   21.872965][    C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   21.872975][    C2]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   21.872983][    C2]  ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge
[   21.872992][    C2]  ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge
[   21.873001][    C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   21.873008][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.873011][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873013][    C2]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   21.873019][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873021][    C2]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   21.873024][    C2]  ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan
[   21.873028][    C2]  ? fib_rules_unregister (net/core/fib_rules.c:189)
[   21.873033][    C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   21.873039][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873041][    C2]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   21.873048][    C2]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   21.873052][    C2]  ? __udp4_lib_lookup (net/ipv4/udp.c:714)
[   21.873055][    C2]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   21.873058][    C2]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390)
[   21.873060][    C2]  ? do_xdp_generic (net/core/dev.c:5732)
[   21.873062][    C2]  ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578)
[   21.873064][    C2]  ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3))
[   21.873066][    C2]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1))
[   21.873068][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873071][    C2]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   21.873073][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.873074][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   21.873076][    C2]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   21.873078][    C2]  ? ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[   21.873082][    C2]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[   21.873083][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.873085][    C2]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.873087][    C2]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   21.873089][    C2]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   21.873092][    C2]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   21.873093][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873095][    C2]  ? ipv6_gro_receive (net/ipv6/ip6_offload.c:231 (discriminator 5))
[   21.873098][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.873100][    C2]  napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865)
[   21.873103][    C2]  ? netif_receive_skb_list (net/core/dev.c:6551)
[   21.873105][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.873106][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873108][    C2]  gro_cell_poll (net/core/gro_cells.c:76)
[   21.873113][    C2]  __napi_poll (net/core/dev.c:7787)
[   21.873115][    C2]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   21.873118][    C2]  ? __napi_poll (./include/net/gro.h:507)
[   21.873119][    C2]  ? 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)
[   21.873123][    C2]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   21.873125][    C2]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   21.873128][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873130][    C2]  handle_softirqs (kernel/softirq.c:645)
[   21.873133][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   21.873134][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.873136][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   21.873137][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   21.873139][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   21.873142][    C2]  </IRQ>
[   21.873143][    C2]  <TASK>
[   21.873143][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   21.873145][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   21.873147][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   21.873150][    C2] 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
[   21.873152][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000246
[   21.873155][    C2] RAX: 0000000000000002 RBX: ff11000001bec6c0 RCX: 0000000000000001
[   21.873157][    C2] RDX: 0000000000000002 RSI: ffffffff9fa8d860 RDI: ffffffff9d2f0307
[   21.873158][    C2] RBP: 0000000000000000 R08: ffffffff9f780421 R09: 1fe2200005d663a2
[   21.873159][    C2] R10: 0000000000000002 R11: 0000000000000000 R12: 1ff400000002afc3
[   21.873159][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   21.873161][    C2]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[   21.873163][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   21.873165][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   21.873167][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   21.873169][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   21.873170][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   21.873172][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   21.873174][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873176][    C2]  do_idle (kernel/sched/idle.c:355)
[   21.873178][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   21.873179][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   21.873181][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   21.873183][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   31.089539][    C2] softirqs last disabled at (6673): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   31.089541][    C2] Preemption disabled at:
| [   31.089542][    C2] 0x0
| [   31.089553][    C2] Tainted: [W]=WARN
[   31.089554][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.089556][    C2] Workqueue: kvfree_rcu_reclaim kfree_rcu_monitor
[   31.089562][    C2] Call Trace:
[   31.089563][    C2]  <IRQ>
[   31.089565][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.089570][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.089574][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.089577][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089581][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089583][    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))
[   31.089586][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.089589][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.089592][    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)
[   31.089594][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.089596][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   31.089598][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.089600][    C2]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   31.089603][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.089606][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.089608][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.089610][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089612][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.089614][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.089616][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.089618][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089620][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089621][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089623][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.089625][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   31.089627][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.089629][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.089631][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.089633][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.089635][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.089636][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089638][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.089639][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.089641][    C2]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   31.089643][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.089645][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.089647][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.089649][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.089651][    C2]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   31.089653][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089654][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.089656][    C2]  _printk (kernel/printk/printk.c:2504)
[   31.089659][    C2]  ? snapshot_read.cold (user.c:?)
[   31.089661][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   31.089664][    C2]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   31.089676][    C2]  ? idr_get_free (??:?)
[   31.089678][    C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   31.089688][    C2]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   31.089695][    C2]  ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge
[   31.089704][    C2]  ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge
[   31.089710][    C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   31.089718][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.089720][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089722][    C2]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   31.089728][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089730][    C2]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   31.089732][    C2]  ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan
[   31.089737][    C2]  ? fib_rules_unregister (net/core/fib_rules.c:189)
[   31.089741][    C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   31.089747][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089749][    C2]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   31.089761][    C2]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   31.089765][    C2]  ? __udp4_lib_lookup (net/ipv4/udp.c:714)
[   31.089768][    C2]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   31.089772][    C2]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390)
[   31.089773][    C2]  ? do_xdp_generic (net/core/dev.c:5732)
[   31.089775][    C2]  ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578)
[   31.089777][    C2]  ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3))
[   31.089779][    C2]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1))
[   31.089781][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089784][    C2]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   31.089786][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.089787][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   31.089789][    C2]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   31.089791][    C2]  ? ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[   31.089794][    C2]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[   31.089796][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.089798][    C2]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.089800][    C2]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   31.089802][    C2]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   31.089804][    C2]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   31.089806][    C2]  ? ipv6_gro_receive (net/ipv6/ip6_offload.c:231 (discriminator 5))
[   31.089809][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.089811][    C2]  napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865)
[   31.089813][    C2]  ? netif_receive_skb_list (net/core/dev.c:6551)
[   31.089815][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.089817][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089819][    C2]  gro_cell_poll (net/core/gro_cells.c:76)
[   31.089823][    C2]  __napi_poll (net/core/dev.c:7787)
[   31.089825][    C2]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   31.089828][    C2]  ? __napi_poll (./include/net/gro.h:507)
[   31.089830][    C2]  ? 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)
[   31.089832][    C2]  ? trace_hrtimer_start (./include/trace/events/timer.h:223 (discriminator 22))
[   31.089835][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089837][    C2]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[   31.089840][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089842][    C2]  handle_softirqs (kernel/softirq.c:645)
[   31.089844][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   31.089845][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089847][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.089849][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   31.089850][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   31.089852][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   31.089854][    C2]  </IRQ>
[   31.089855][    C2]  <TASK>
[   31.089856][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   31.089858][    C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   31.089861][    C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   31.089862][    C2] RSP: 0018:ffa00000014d7a78 EFLAGS: 00000246
[   31.089865][    C2] RAX: 0000000000000046 RBX: ffffffffa07b7ba0 RCX: 0000000000000000
[   31.089866][    C2] RDX: 0000000000000003 RSI: ffffffff9fa8d860 RDI: ffffffff9f7a8483
[   31.089867][    C2] RBP: 0000000000000282 R08: ffffffff9d5d6ac0 R09: 1ffffffff41d0a7b
[   31.089868][    C2] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000
[   31.089869][    C2] R13: 0000000000026187 R14: 0000000000000000 R15: 0000000000000000
[   31.089870][    C2]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   31.089872][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   31.089874][    C2]  delete_object_full (mm/kmemleak.c:658 (discriminator 3) mm/kmemleak.c:861 (discriminator 3))
[   31.089877][    C2]  kmem_cache_free_bulk.part.0 (./include/linux/kmemleak.h:50 mm/slub.c:2673 mm/slub.c:2777 mm/slub.c:6533 mm/slub.c:7248)
[   31.089879][    C2]  ? kvfree_rcu_bulk (./include/linux/slab.h:913 mm/slab_common.c:1574)
[   31.089881][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.089883][    C2]  kvfree_rcu_bulk (./include/linux/slab.h:913 mm/slab_common.c:1574)
[   31.089885][    C2]  kvfree_rcu_drain_ready (mm/slab_common.c:1784)
[   31.089888][    C2]  kfree_rcu_monitor (mm/slab_common.c:1857)
[   31.089889][    C2]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   31.089892][    C2]  process_one_work (kernel/workqueue.c:3387)
[   31.089895][    C2]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   31.089897][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.089899][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.089901][    C2]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.089903][    C2]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.089905][    C2]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   31.089906][    C2]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.089908][    C2]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.089910][    C2]  kthread (kernel/kthread.c:436)
[   31.089911][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.089912][    C2]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.089914][    C2]  ret_from_fork (arch/x86/kernel/process.c:158)
[   31.089917][    C2]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   31.089919][    C2]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   31.089921][    C2]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.089923][    C2]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.488067][  T624] softirqs last disabled at (0): 0x0
| [   33.488069][  T624] Preemption disabled at:
| [   33.488069][  T624] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.488081][  T624] Tainted: [W]=WARN
[   33.488082][  T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.488084][  T624] Call Trace:
[   33.488086][  T624]  <TASK>
[   33.488087][  T624]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.488093][  T624]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.488095][  T624]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.488099][  T624]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.488103][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488107][  T624]  __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))
[   33.488110][  T624]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.488113][  T624]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.488117][  T624]  ? 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)
[   33.488119][  T624]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.488121][  T624]  put_chars (drivers/char/virtio_console.c:1176)
[   33.488123][  T624]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   33.488124][  T624]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.488127][  T624]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   33.488129][  T624]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.488132][  T624]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.488133][  T624]  ? 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)
[   33.488135][  T624]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.488136][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488138][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488140][  T624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.488142][  T624]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.488145][  T624]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.488147][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488148][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488150][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488152][  T624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.488153][  T624]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   33.488155][  T624]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.488157][  T624]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.488160][  T624]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.488162][  T624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.488163][  T624]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.488165][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488166][  T624]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.488168][  T624]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.488169][  T624]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   33.488171][  T624]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.488173][  T624]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.488175][  T624]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.488178][  T624]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.488180][  T624]  ? 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
[   33.488183][  T624]  _printk (kernel/printk/printk.c:2504)
[   33.488186][  T624]  ? snapshot_read.cold (user.c:?)
[   33.488189][  T624]  ? 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)
[   33.488191][  T624] gact_init_module (net/sched/act_gact.c:180) act_gact
[   33.488193][  T624]  do_one_initcall (init/main.c:1357)
[   33.488195][  T624]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   33.488197][  T624]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   33.488200][  T624]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   33.488203][  T624]  do_init_module (kernel/module/main.c:3117)
[   33.488206][  T624]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   33.488208][  T624]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   33.488210][  T624]  load_module (kernel/module/main.c:3593)
[   33.488213][  T624]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   33.488216][  T624]  ? __ia32_sys_fsconfig (??:?)
[   33.488218][  T624]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   33.488222][  T624]  ? backing_file_read_iter (fs/backing-file.c:211)
[   33.488224][  T624]  init_module_from_file (kernel/module/main.c:3790)
[   33.488226][  T624]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   33.488228][  T624]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   33.488231][  T624]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   33.488234][  T624]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.488235][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488237][  T624]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.488239][  T624]  ? 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)
[   33.488240][  T624]  idempotent_init_module (kernel/module/main.c:3802)
[   33.488243][  T624]  ? init_module_from_file (kernel/module/main.c:3791)
[   33.488245][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.488247][  T624]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   33.488251][  T624]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   33.488253][  T624]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.488256][  T624]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.488259][  T624]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.488261][  T624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.488263][  T624] RIP: 0033:0x7f49a56db37d
[   33.488265][  T624] 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
[   33.488267][  T624] RSP: 002b:00007ffc8fc9ca58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   33.488271][  T624] RAX: ffffffffffffffda RBX: 0000562a733f3810 RCX: 00007f49a56db37d
[   33.488272][  T624] RDX: 0000000000000000 RSI: 0000562a551b5ffd RDI: 0000000000000000
[   33.488273][  T624] RBP: 00007ffc8fc9caf0 R08: 0000000000000000 R09: 0000000000000000
[   33.488274][  T624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562a551b5ffd
[   33.488275][  T624] R13: 0000562a733f3960 R14: 0000000000040000 R15: 0000000000000000
| [   34.624208][   T69] softirqs last disabled at (20625): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   34.624210][   T69] Preemption disabled at:
| [   34.624211][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.624222][   T69] Tainted: [W]=WARN
[   34.624222][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.624224][   T69] Workqueue: netns cleanup_net
[   34.624230][   T69] Call Trace:
[   34.624232][   T69]  <TASK>
[   34.624233][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.624238][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.624240][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.624244][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.624247][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624251][   T69]  __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))
[   34.624254][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.624257][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.624260][   T69]  ? 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)
[   34.624262][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.624264][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   34.624266][   T69]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   34.624267][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.624270][   T69]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   34.624272][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.624275][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.624276][   T69]  ? 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)
[   34.624278][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.624279][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624281][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624283][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.624285][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.624288][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.624290][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624291][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624293][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624294][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.624296][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   34.624298][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.624300][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.624303][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.624304][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.624306][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.624308][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624309][   T69]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.624311][   T69]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.624312][   T69]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   34.624314][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.624316][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.624318][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.624320][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.624322][   T69]  ? process_one_work (kernel/workqueue.c:3387)
[   34.624325][   T69]  ? kthread (kernel/kthread.c:436)
[   34.624327][   T69]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   34.624329][   T69]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   34.624331][   T69]  _printk (kernel/printk/printk.c:2504)
[   34.624334][   T69]  ? snapshot_read.cold (user.c:?)
[   34.624337][   T69]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.624339][   T69]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.624341][   T69]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.624343][   T69]  ? netdev_notice (net/core/dev.c:13194)
[   34.624345][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624347][   T69]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   34.624348][   T69]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   34.624350][   T69]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   34.624352][   T69]  ? 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)
[   34.624354][   T69]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   34.624357][   T69]  dev_set_allmulti (net/core/dev_api.c:315)
[   34.624360][   T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   34.624372][   T69] br_dev_delete (net/bridge/br_if.c:387) bridge
[   34.624381][   T69] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   34.624388][   T69]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   34.624390][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   34.624392][   T69]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   34.624395][   T69]  cleanup_net (net/core/net_namespace.c:706)
[   34.624397][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.624402][   T69]  ? update_load_avg (kernel/sched/fair.c:5864)
[   34.624404][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.624406][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.624408][   T69]  process_one_work (kernel/workqueue.c:3387)
[   34.624410][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   34.624412][   T69]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.624415][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.624417][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.624419][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.624421][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.624423][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.624425][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.624426][   T69]  kthread (kernel/kthread.c:436)
[   34.624428][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.624429][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.624431][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.624432][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   34.624434][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.624437][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)


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