======================================
| [   11.805250][  T263] softirqs last disabled at (26815): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.805252][  T263] Preemption disabled at:
| [   11.805252][  T263] 0x0
| [   11.805263][  T263] Tainted: [W]=WARN
[   11.805264][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.805265][  T263] Call Trace:
[   11.805267][  T263]  <TASK>
[   11.805269][  T263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.805275][  T263]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.805279][  T263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.805283][  T263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.805289][  T263]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.805291][  T263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.805297][  T263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.805300][  T263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.805303][  T263]  put_chars (drivers/char/virtio_console.c:1176)
[   11.805306][  T263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.805307][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.805312][  T263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.805317][  T263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.805323][  T263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.805326][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.805328][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.805332][  T263]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.805336][  T263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.805338][  T263]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.805341][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.805344][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.805348][  T263]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.805352][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.805354][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.805359][  T263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.805362][  T263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.805364][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.805366][  T263]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.805370][  T263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.805372][  T263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.805375][  T263]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.805379][  T263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.805383][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.805386][  T263]  _printk (kernel/printk/printk.c:2504)
[   11.805390][  T263]  ? snapshot_read.cold (user.c:?)
[   11.805393][  T263]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.805396][  T263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.805400][  T263]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.805402][  T263]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.805406][  T263]  ? exit_notify (kernel/exit.c:780)
[   11.805408][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.805411][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.805415][  T263]  do_group_exit (kernel/exit.c:1151)
[   11.805418][  T263]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.805420][  T263]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.805422][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.805425][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.805428][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.805431][  T263] RIP: 0033:0x7f90a6bc21b8
[   11.805433][  T263] Code: Unable to access opcode bytes at 0x7f90a6bc218e.

Code starting with the faulting instruction
===========================================
[   11.805434][  T263] RSP: 002b:00007ffe925c5968 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.805437][  T263] RAX: ffffffffffffffda RBX: 00007f90a6cf2f88 RCX: 00007f90a6bc21b8
[   11.805438][  T263] RDX: 00007f90a690cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.805439][  T263] RBP: 00007ffe925c59c0 R08: 0000000000000000 R09: 0000000000000050
[   11.805440][  T263] R10: 00007ffe925c5780 R11: 0000000000000246 R12: 0000000000000001
[   11.805441][  T263] R13: 0000000000000000 R14: 00007f90a6cf1680 R15: 00007f90a6cf2fa0
| [   14.844972][  T370] softirqs last disabled at (16567): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.844974][  T370] Preemption disabled at:
| [   14.844975][  T370] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.844984][  T370] Tainted: [W]=WARN
[   14.844985][  T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.844987][  T370] Call Trace:
[   14.844989][  T370]  <TASK>
[   14.844990][  T370]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.844996][  T370]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.844998][  T370]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.845003][  T370]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.845007][  T370]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.845012][  T370]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.845014][  T370]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.845020][  T370]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.845023][  T370]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.845026][  T370]  put_chars (drivers/char/virtio_console.c:1176)
[   14.845028][  T370]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.845030][  T370]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.845033][  T370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.845037][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.845040][  T370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.845043][  T370]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.845046][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.845048][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.845049][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.845053][  T370]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.845055][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.845058][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.845060][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.845064][  T370]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.845068][  T370]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.845070][  T370]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.845073][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.845075][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.845079][  T370]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.845083][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.845085][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.845090][  T370]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.845092][  T370]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.845094][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.845096][  T370]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.845100][  T370]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.845101][  T370]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.845105][  T370]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.845109][  T370]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.845111][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.845114][  T370]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.845117][  T370]  _printk (kernel/printk/printk.c:2504)
[   14.845121][  T370]  ? snapshot_read.cold (user.c:?)
[   14.845125][  T370]  ? br_multicast_flood (??:?) bridge
[   14.845138][  T370]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.845139][  T370]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.845140][  T370]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.845144][  T370] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.845155][  T370] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.845163][  T370] new_nbp (net/bridge/br_if.c:449) bridge
[   14.845171][  T370] br_add_if (net/bridge/br_if.c:592) bridge
[   14.845178][  T370]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.845182][  T370]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.845185][  T370]  ? __kernel_text_address (kernel/extable.c:79)
[   14.845189][  T370]  do_set_master (net/core/rtnetlink.c:3071)
[   14.845193][  T370]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.845197][  T370]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.845200][  T370]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.845201][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.845203][  T370]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.845206][  T370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.845208][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.845210][  T370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.845213][  T370]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.845216][  T370]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.845217][  T370]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.845220][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.845222][  T370]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.845225][  T370]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.845230][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.845231][  T370]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.845234][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.845236][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.845238][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.845239][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.845242][  T370]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.845245][  T370]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.845248][  T370]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.845250][  T370]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.845254][  T370]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.845255][  T370]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.845260][  T370]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.845265][  T370]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.845270][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.845272][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.845276][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.845278][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.845280][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.845282][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.845285][  T370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.845287][  T370]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.845290][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.845292][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.845296][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.845298][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.845301][  T370]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.845303][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.845306][  T370]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.845312][  T370]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.845313][  T370]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.845317][  T370]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.845321][  T370]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.845324][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.845328][  T370]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.845332][  T370]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.845335][  T370]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.845340][  T370]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.845343][  T370]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.845345][  T370]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.845347][  T370]  ? move_addr_to_kernel (net/socket.c:258)
[   14.845354][  T370]  ___sys_sendmsg (net/socket.c:2767)
[   14.845356][  T370]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.845372][  T370]  __sys_sendmsg (net/socket.c:2799)
[   14.845375][  T370]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.845381][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.845384][  T370]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.845387][  T370]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.845390][  T370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.845392][  T370] RIP: 0033:0x7fddf81a754e
[   14.845395][  T370] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.845397][  T370] RSP: 002b:00007ffd6bbc0ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.845400][  T370] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fddf81a754e
[   14.845402][  T370] RDX: 0000000000000000 RSI: 00007ffd6bbc10a0 RDI: 0000000000000005
[   14.845402][  T370] RBP: 00007ffd6bbc1000 R08: 0000000000000000 R09: 0000000000000000
[   14.845403][  T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d93
[   14.845404][  T370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6bbc1760
| [   16.848014][    C3]
| [   16.848015][    C3]
| [   16.848015][    C3] stack backtrace:
| [   16.848021][    C3] Tainted: [W]=WARN
[   16.848022][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.848023][    C3] Call Trace:
[   16.848025][    C3]  <IRQ>
[   16.848026][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.848030][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   16.848032][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   16.848035][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   16.848037][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   16.848039][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   16.848041][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.848042][    C3]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.848044][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848048][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.848049][    C3]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.848051][    C3]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.848053][    C3]  console_emit_next_record (kernel/printk/printk.c:3177)
[   16.848055][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.848056][    C3]  ? 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))
[   16.848058][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848060][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.848062][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.848064][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.848066][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.848068][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.848070][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.848071][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848073][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.848075][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.848076][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.848078][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.848080][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.848082][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848084][    C3]  _printk (kernel/printk/printk.c:2504)
[   16.848086][    C3]  ? snapshot_read.cold (user.c:?)
[   16.848088][    C3]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   16.848091][    C3]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   16.848097][    C3]  ? idr_get_free (??:?)
[   16.848100][    C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   16.848107][    C3]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   16.848113][    C3]  ? __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
[   16.848121][    C3]  ? 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
[   16.848128][    C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   16.848135][    C3]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   16.848141][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848143][    C3]  ? 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
[   16.848149][    C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   16.848155][    C3]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   16.848161][    C3]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   16.848164][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848166][    C3]  ? do_xdp_generic (net/core/dev.c:5732)
[   16.848168][    C3]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844)
[   16.848171][    C3]  ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029)
[   16.848172][    C3]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54))
[   16.848175][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.848177][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848179][    C3]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   16.848181][    C3]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   16.848183][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.848184][    C3]  ? 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))
[   16.848187][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.848188][    C3]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   16.848190][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.848192][    C3]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   16.848193][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848194][    C3]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   16.848196][    C3]  ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2))
[   16.848197][    C3]  ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572)
[   16.848199][    C3]  gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647)
[   16.848201][    C3]  gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71)
[   16.848203][    C3]  __napi_poll (net/core/dev.c:7787)
[   16.848205][    C3]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   16.848208][    C3]  ? __napi_poll (./include/net/gro.h:507)
[   16.848210][    C3]  ? reacquire_held_locks (kernel/locking/lockdep.c:5401)
[   16.848211][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848213][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.848215][    C3]  ? 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)
[   16.848217][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   16.848219][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   16.848221][    C3]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   16.848223][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848225][    C3]  handle_softirqs (kernel/softirq.c:645)
[   16.848227][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848228][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   16.848230][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   16.848231][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   16.848233][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   16.848234][    C3]  </IRQ>
[   16.848235][    C3]  <TASK>
[   16.848235][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.848237][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   16.848239][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   16.848241][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   16.848243][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   16.848245][    C3] RAX: 00000000000bcbc3 RBX: ff11000001c88040 RCX: ffffffff864f0307
[   16.848247][    C3] RDX: ff11000001c88040 RSI: ffffffff89238af6 RDI: ffffffff88c8d8e0
[   16.848248][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   16.848249][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   16.848249][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   16.848251][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   16.848253][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   16.848254][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   16.848256][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   16.848258][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   16.848259][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   16.848261][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.848262][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848264][    C3]  do_idle (kernel/sched/idle.c:355)
[   16.848265][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   16.848267][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   16.848268][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   16.848270][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   16.848288][    C3] softirqs last disabled at (773061): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.848289][    C3] Preemption disabled at:
| [   16.848290][    C3] 0x0
| [   16.848295][    C3] Tainted: [W]=WARN
[   16.848296][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.848296][    C3] Call Trace:
[   16.848297][    C3]  <IRQ>
[   16.848298][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.848300][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.848303][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.848306][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848308][    C3]  __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))
[   16.848310][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.848311][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.848313][    C3]  ? 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)
[   16.848314][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.848316][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   16.848318][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.848320][    C3]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   16.848322][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.848323][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5208)
[   16.848325][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.848326][    C3]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.848328][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848330][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848332][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.848334][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.848336][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.848337][    C3]  ? 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))
[   16.848339][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848341][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.848343][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.848345][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.848346][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.848349][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.848350][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.848352][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848354][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.848355][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.848357][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.848359][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.848361][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.848363][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848365][    C3]  _printk (kernel/printk/printk.c:2504)
[   16.848366][    C3]  ? snapshot_read.cold (user.c:?)
[   16.848368][    C3]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   16.848370][    C3]  ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge
[   16.848376][    C3]  ? idr_get_free (??:?)
[   16.848379][    C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge
[   16.848386][    C3]  ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge
[   16.848392][    C3]  ? __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
[   16.848399][    C3]  ? 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
[   16.848406][    C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge
[   16.848413][    C3]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   16.848419][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848421][    C3]  ? 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
[   16.848425][    C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   16.848431][    C3]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   16.848438][    C3]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   16.848441][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848443][    C3]  ? do_xdp_generic (net/core/dev.c:5732)
[   16.848444][    C3]  ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844)
[   16.848446][    C3]  ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029)
[   16.848447][    C3]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54))
[   16.848449][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.848451][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848453][    C3]  __netif_receive_skb_list_core (net/core/dev.c:6339)
[   16.848455][    C3]  ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1))
[   16.848457][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.848458][    C3]  ? 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))
[   16.848460][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.848462][    C3]  netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497)
[   16.848464][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.848465][    C3]  ? process_backlog (net/core/dev.c:6752 (discriminator 28))
[   16.848467][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848468][    C3]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   16.848470][    C3]  ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2))
[   16.848471][    C3]  ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572)
[   16.848473][    C3]  gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647)
[   16.848475][    C3]  gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71)
[   16.848477][    C3]  __napi_poll (net/core/dev.c:7787)
[   16.848479][    C3]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   16.848482][    C3]  ? __napi_poll (./include/net/gro.h:507)
[   16.848483][    C3]  ? reacquire_held_locks (kernel/locking/lockdep.c:5401)
[   16.848485][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848487][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.848488][    C3]  ? 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)
[   16.848490][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   16.848491][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   16.848493][    C3]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   16.848495][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848497][    C3]  handle_softirqs (kernel/softirq.c:645)
[   16.848499][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.848500][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   16.848502][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   16.848503][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   16.848505][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   16.848506][    C3]  </IRQ>
[   16.848507][    C3]  <TASK>
[   16.848507][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.848509][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   16.848510][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   16.848512][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   16.848513][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   16.848514][    C3] RAX: 00000000000bcbc3 RBX: ff11000001c88040 RCX: ffffffff864f0307
[   16.848515][    C3] RDX: ff11000001c88040 RSI: ffffffff89238af6 RDI: ffffffff88c8d8e0
[   16.848516][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   16.848517][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   16.848517][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   16.848519][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   16.848521][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   16.848523][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   16.848524][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   16.848526][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   16.848533][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   16.848534][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.848535][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.848537][    C3]  do_idle (kernel/sched/idle.c:355)
[   16.848539][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   16.848540][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   16.848542][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   16.848543][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.852089][   T12] softirqs last disabled at (31947): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   27.852092][   T12] Preemption disabled at:
| [   27.852092][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.852104][   T12] Tainted: [W]=WARN
[   27.852105][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.852107][   T12] Workqueue: netns cleanup_net
[   27.852113][   T12] Call Trace:
[   27.852114][   T12]  <TASK>
[   27.852116][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.852121][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.852123][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.852127][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.852131][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852135][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.852138][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.852141][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.852145][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.852146][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.852148][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   27.852150][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   27.852152][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.852154][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.852157][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.852161][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.852162][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   27.852164][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.852166][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852168][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852169][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.852172][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.852174][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.852176][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852178][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852180][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852181][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.852183][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.852185][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.852188][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.852191][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.852193][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.852194][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.852196][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852198][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.852199][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.852201][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   27.852203][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.852205][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.852207][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.852210][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.852211][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   27.852214][   T12]  ? kthread (kernel/kthread.c:436)
[   27.852216][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   27.852219][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   27.852221][   T12]  _printk (kernel/printk/printk.c:2504)
[   27.852224][   T12]  ? snapshot_read.cold (user.c:?)
[   27.852227][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.852230][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.852232][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.852234][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   27.852236][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852237][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   27.852239][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   27.852242][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   27.852244][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.852247][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   27.852250][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   27.852253][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   27.852267][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   27.852276][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   27.852284][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   27.852286][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   27.852288][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.852292][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   27.852294][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.852296][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[   27.852299][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.852300][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.852303][   T12]  process_one_work (kernel/workqueue.c:3387)
[   27.852305][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   27.852308][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.852310][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.852312][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.852316][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.852318][   T12]  kthread (kernel/kthread.c:436)
[   27.852319][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.852321][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.852323][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.852324][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   27.852326][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.852329][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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