======================================
| [   10.080666][  T187] softirqs last disabled at (35201): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.080668][  T187] Preemption disabled at:
| [   10.080668][  T187] 0x0
| [   10.080678][  T187] Tainted: [W]=WARN
[   10.080679][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.080681][  T187] Call Trace:
[   10.080682][  T187]  <TASK>
[   10.080684][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.080690][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.080695][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.080699][  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)
[   10.080704][  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))
[   10.080707][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.080713][  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)
[   10.080715][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.080718][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.080721][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.080722][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.080727][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.080732][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.080739][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.080741][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.080743][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.080747][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.080751][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.080753][  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))
[   10.080756][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.080758][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.080762][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.080766][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.080768][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.080773][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.080776][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.080778][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.080780][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.080784][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.080785][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.080789][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.080792][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.080796][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.080799][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.080803][  T187]  ? snapshot_read.cold (user.c:?)
[   10.080806][  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)
[   10.080809][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.080812][  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)
[   10.080815][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.080819][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.080821][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.080823][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.080828][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.080830][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.080832][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.080834][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.080838][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.080841][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.080843][  T187] RIP: 0033:0x7f0e7697b1b8
[   10.080846][  T187] Code: Unable to access opcode bytes at 0x7f0e7697b18e.

Code starting with the faulting instruction
===========================================
[   10.080847][  T187] RSP: 002b:00007fffd36ccbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.080849][  T187] RAX: ffffffffffffffda RBX: 00007f0e76aabf88 RCX: 00007f0e7697b1b8
[   10.080850][  T187] RDX: 00007f0e766c5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.080851][  T187] RBP: 00007fffd36ccc10 R08: 0000000000000000 R09: 0000000000008010
[   10.080852][  T187] R10: 00007fffd36cc9d0 R11: 0000000000000246 R12: 0000000000000001
[   10.080853][  T187] R13: 0000000000000000 R14: 00007f0e76aaa680 R15: 00007f0e76aabfa0
| [   11.367987][  T236] softirqs last disabled at (12970): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.367990][  T236] Preemption disabled at:
| [   11.367991][  T236] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.368000][  T236] Tainted: [W]=WARN
[   11.368001][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.368003][  T236] Call Trace:
[   11.368004][  T236]  <TASK>
[   11.368006][  T236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.368012][  T236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.368014][  T236]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.368018][  T236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.368022][  T236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.368027][  T236]  __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))
[   11.368030][  T236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.368036][  T236]  ? 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)
[   11.368038][  T236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.368041][  T236]  put_chars (drivers/char/virtio_console.c:1176)
[   11.368044][  T236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.368048][  T236]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.368051][  T236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.368054][  T236]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.368056][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368058][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368061][  T236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.368063][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.368066][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368070][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.368074][  T236]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.368077][  T236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.368079][  T236]  ? 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))
[   11.368082][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368084][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.368088][  T236]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.368092][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.368094][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368099][  T236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.368101][  T236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.368103][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368105][  T236]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.368109][  T236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.368110][  T236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.368114][  T236]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.368117][  T236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.368120][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.368121][  T236]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.368126][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.368129][  T236]  _printk (kernel/printk/printk.c:2504)
[   11.368132][  T236]  ? snapshot_read.cold (user.c:?)
[   11.368136][  T236]  ? br_multicast_flood (??:?) bridge
[   11.368149][  T236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.368150][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.368151][  T236]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.368155][  T236] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.368165][  T236] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.368173][  T236] new_nbp (net/bridge/br_if.c:449) bridge
[   11.368182][  T236] br_add_if (net/bridge/br_if.c:592) bridge
[   11.368189][  T236]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.368193][  T236]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.368196][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   11.368200][  T236]  do_set_master (net/core/rtnetlink.c:3071)
[   11.368204][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.368207][  T236]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.368210][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.368211][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.368214][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.368217][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.368220][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.368222][  T236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.368224][  T236]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.368227][  T236]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.368229][  T236]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.368231][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368233][  T236]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.368236][  T236]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.368241][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.368243][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.368245][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368247][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.368249][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368251][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368253][  T236]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.368257][  T236]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.368258][  T236]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.368260][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.368263][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.368265][  T236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.368270][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.368275][  T236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.368280][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.368281][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368286][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.368288][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.368290][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.368291][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.368295][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.368297][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.368300][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.368301][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368305][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.368307][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.368310][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.368312][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.368315][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.368321][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.368322][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.368326][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.368330][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.368332][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.368336][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.368340][  T236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.368344][  T236]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.368349][  T236]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.368351][  T236]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.368353][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.368355][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   11.368362][  T236]  ___sys_sendmsg (net/socket.c:2767)
[   11.368364][  T236]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.368379][  T236]  __sys_sendmsg (net/socket.c:2799)
[   11.368382][  T236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.368388][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.368392][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.368394][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.368397][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.368399][  T236] RIP: 0033:0x7f52c991954e
[   11.368402][  T236] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.368404][  T236] RSP: 002b:00007ffff36a2250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.368407][  T236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f52c991954e
[   11.368408][  T236] RDX: 0000000000000000 RSI: 00007ffff36a2300 RDI: 0000000000000005
[   11.368409][  T236] RBP: 00007ffff36a2260 R08: 0000000000000000 R09: 0000000000000000
[   11.368409][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910613
[   11.368410][  T236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff36a29c0
| [   17.075646][  T275] softirqs last disabled at (22965): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.075648][  T275] Preemption disabled at:
| [   17.075649][  T275] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.075658][  T275] Tainted: [W]=WARN
[   17.075659][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.075661][  T275] Call Trace:
[   17.075662][  T275]  <TASK>
[   17.075664][  T275]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.075669][  T275]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.075671][  T275]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.075676][  T275]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.075680][  T275]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.075685][  T275]  __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))
[   17.075687][  T275]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.075692][  T275]  ? 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)
[   17.075695][  T275]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.075698][  T275]  put_chars (drivers/char/virtio_console.c:1176)
[   17.075700][  T275]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.075702][  T275]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.075705][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.075708][  T275]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.075712][  T275]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.075715][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.075716][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.075721][  T275]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.075722][  T275]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.075725][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.075728][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.075732][  T275]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.075735][  T275]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.075737][  T275]  ? 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))
[   17.075740][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.075743][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.075746][  T275]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.075750][  T275]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.075752][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.075757][  T275]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.075760][  T275]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.075762][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.075764][  T275]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.075767][  T275]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.075769][  T275]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.075772][  T275]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.075776][  T275]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.075782][  T275]  ? 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
[   17.075785][  T275]  _printk (kernel/printk/printk.c:2504)
[   17.075789][  T275]  ? snapshot_read.cold (user.c:?)
[   17.075795][  T275]  ? 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)
[   17.075797][  T275] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.075800][  T275]  do_one_initcall (init/main.c:1357)
[   17.075803][  T275]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.075807][  T275]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.075810][  T275]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.075815][  T275]  do_init_module (kernel/module/main.c:3117)
[   17.075819][  T275]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.075823][  T275]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.075826][  T275]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.075830][  T275]  load_module (kernel/module/main.c:3593)
[   17.075837][  T275]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.075841][  T275]  ? __ia32_sys_fsconfig (??:?)
[   17.075843][  T275]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.075847][  T275]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.075850][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.075854][  T275]  init_module_from_file (kernel/module/main.c:3790)
[   17.075857][  T275]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.075865][  T275]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.075868][  T275]  ? 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)
[   17.075871][  T275]  idempotent_init_module (kernel/module/main.c:3802)
[   17.075875][  T275]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.075881][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.075883][  T275]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.075889][  T275]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.075891][  T275]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.075894][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.075896][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.075899][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.075901][  T275] RIP: 0033:0x7fb1bd8c137d
[   17.075904][  T275] 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
[   17.075906][  T275] RSP: 002b:00007fff3c17cf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.075909][  T275] RAX: ffffffffffffffda RBX: 0000560ef521a810 RCX: 00007fb1bd8c137d
[   17.075910][  T275] RDX: 0000000000000000 RSI: 0000560ebdcacffd RDI: 0000000000000000
[   17.075911][  T275] RBP: 00007fff3c17d000 R08: 0000000000000000 R09: 0000000000000000
[   17.075912][  T275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560ebdcacffd
[   17.075913][  T275] R13: 0000560ef521a960 R14: 0000000000040000 R15: 0000000000000000
| [   21.900192][  T607] softirqs last disabled at (20252): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   21.900200][  T607] Preemption disabled at:
| [   21.900201][  T607] 0x0
| [   21.900210][  T607] Tainted: [W]=WARN
[   21.900211][  T607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.900212][  T607] Call Trace:
[   21.900214][  T607]  <TASK>
[   21.900215][  T607]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.900222][  T607]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.900226][  T607]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.900230][  T607]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.900235][  T607]  __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))
[   21.900237][  T607]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.900243][  T607]  ? 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)
[   21.900246][  T607]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.900249][  T607]  put_chars (drivers/char/virtio_console.c:1176)
[   21.900251][  T607]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   21.900253][  T607]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.900256][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.900259][  T607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.900263][  T607]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.900266][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.900268][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.900272][  T607]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.900273][  T607]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.900277][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.900280][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.900283][  T607]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.900287][  T607]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.900289][  T607]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.900292][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.900294][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.900298][  T607]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.900303][  T607]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.900304][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.900309][  T607]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.900312][  T607]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.900314][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.900316][  T607]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.900320][  T607]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.900321][  T607]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.900325][  T607]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.900329][  T607]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.900332][  T607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.900334][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.900338][  T607]  _printk (kernel/printk/printk.c:2504)
[   21.900341][  T607]  ? snapshot_read.cold (user.c:?)
[   21.900349][  T607] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.900359][  T607] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   21.900367][  T607] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   21.900375][  T607] br_dev_stop (net/bridge/br_device.c:193) bridge
[   21.900384][  T607]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.900386][  T607]  __dev_close_many (net/core/dev.c:1798)
[   21.900390][  T607]  ? netif_open (net/core/dev.c:1755)
[   21.900392][  T607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.900394][  T607]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.900398][  T607]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   21.900402][  T607]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   21.900404][  T607]  ? __kernel_text_address (kernel/extable.c:79)
[   21.900407][  T607]  ? write_profile (profile.c:?)
[   21.900409][  T607]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.900414][  T607]  netif_change_flags (net/core/dev.c:9877)
[   21.900418][  T607]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.900421][  T607]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.900423][  T607]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.900424][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.900426][  T607]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.900430][  T607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.900432][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.900434][  T607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.900437][  T607]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.900440][  T607]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.900441][  T607]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.900444][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.900446][  T607]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   21.900448][  T607]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.900453][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.900455][  T607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.900457][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.900459][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.900461][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.900463][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.900465][  T607]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.900469][  T607]  ? __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)
[   21.900472][  T607]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.900474][  T607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.900477][  T607]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.900483][  T607]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.900488][  T607]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.900493][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.900495][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.900499][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.900501][  T607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.900503][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.900505][  T607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.900509][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.900511][  T607]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.900514][  T607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.900515][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.900519][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.900521][  T607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.900524][  T607]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.900526][  T607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.900529][  T607]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.900535][  T607]  ? 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))
[   21.900536][  T607]  ? 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))
[   21.900541][  T607]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.900544][  T607]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.900547][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.900551][  T607]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.900554][  T607]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.900558][  T607]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.900564][  T607]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.900566][  T607]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.900568][  T607]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.900570][  T607]  ? move_addr_to_kernel (net/socket.c:258)
[   21.900577][  T607]  ___sys_sendmsg (net/socket.c:2767)
[   21.900580][  T607]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.900595][  T607]  __sys_sendmsg (net/socket.c:2799)
[   21.900598][  T607]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.900604][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.900608][  T607]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.900610][  T607]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.900613][  T607]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.900616][  T607] RIP: 0033:0x7f60e139954e
[   21.900618][  T607] 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
[   21.900620][  T607] RSP: 002b:00007fff4d6e1e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.900622][  T607] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f60e139954e
[   21.900624][  T607] RDX: 0000000000000000 RSI: 00007fff4d6e1f10 RDI: 0000000000000005
[   21.900625][  T607] RBP: 00007fff4d6e1e70 R08: 0000000000000000 R09: 0000000000000000
[   21.900625][  T607] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91061e


Finger prints:
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print