======================================
| [    9.161670][  T187] softirqs last disabled at (32707): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.161672][  T187] Preemption disabled at:
| [    9.161673][  T187] 0x0
| [    9.161683][  T187] Tainted: [W]=WARN
[    9.161684][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.161686][  T187] Call Trace:
[    9.161688][  T187]  <TASK>
[    9.161689][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.161696][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.161701][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.161705][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.161710][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.161712][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.161718][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.161721][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.161724][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.161727][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.161728][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.161733][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.161738][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.161744][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.161747][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.161749][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.161753][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.161757][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.161759][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.161762][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.161764][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.161768][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.161772][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.161774][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.161779][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.161782][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.161784][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.161786][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.161790][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.161791][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.161795][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.161799][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.161802][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.161806][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.161809][  T187]  ? snapshot_read.cold (user.c:?)
[    9.161812][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.161815][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.161818][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.161821][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.161825][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.161827][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.161830][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.161834][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.161836][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.161838][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.161841][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.161844][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.161847][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.161849][  T187] RIP: 0033:0x7f6d77d451b8
[    9.161852][  T187] Code: Unable to access opcode bytes at 0x7f6d77d4518e.

Code starting with the faulting instruction
===========================================
[    9.161853][  T187] RSP: 002b:00007ffc2a2c7ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.161855][  T187] RAX: ffffffffffffffda RBX: 00007f6d77e75f88 RCX: 00007f6d77d451b8
[    9.161857][  T187] RDX: 00007f6d77a8ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.161858][  T187] RBP: 00007ffc2a2c7f30 R08: 0000000000000000 R09: 0000000000008010
[    9.161859][  T187] R10: 00007ffc2a2c7cf0 R11: 0000000000000246 R12: 0000000000000001
[    9.161859][  T187] R13: 0000000000000000 R14: 00007f6d77e74680 R15: 00007f6d77e75fa0
| [   10.401126][  T226] softirqs last disabled at (14510): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.401130][  T226] Preemption disabled at:
| [   10.401130][  T226] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.401142][  T226] Tainted: [W]=WARN
[   10.401143][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.401145][  T226] Call Trace:
[   10.401147][  T226]  <TASK>
[   10.401149][  T226]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.401157][  T226]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.401160][  T226]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.401166][  T226]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.401172][  T226]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.401179][  T226]  __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))
[   10.401182][  T226]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.401191][  T226]  ? 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)
[   10.401194][  T226]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.401199][  T226]  put_chars (drivers/char/virtio_console.c:1176)
[   10.401204][  T226]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.401211][  T226]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.401217][  T226]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.401221][  T226]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.401224][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.401227][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.401233][  T226]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.401237][  T226]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.401242][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.401247][  T226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.401254][  T226]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.401260][  T226]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.401262][  T226]  ? 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))
[   10.401267][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.401271][  T226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.401278][  T226]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.401284][  T226]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.401287][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.401296][  T226]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.401301][  T226]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.401303][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.401307][  T226]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.401313][  T226]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.401315][  T226]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.401320][  T226]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.401328][  T226]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.401334][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.401337][  T226]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.401343][  T226]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.401349][  T226]  _printk (kernel/printk/printk.c:2504)
[   10.401354][  T226]  ? snapshot_read.cold (user.c:?)
[   10.401360][  T226]  ? br_multicast_flood (??:?) bridge
[   10.401377][  T226]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.401379][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.401381][  T226]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.401389][  T226] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.401408][  T226] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.401422][  T226] new_nbp (net/bridge/br_if.c:449) bridge
[   10.401438][  T226] br_add_if (net/bridge/br_if.c:592) bridge
[   10.401450][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.401455][  T226]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.401460][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.401466][  T226]  do_set_master (net/core/rtnetlink.c:3071)
[   10.401479][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.401484][  T226]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.401489][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.401491][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.401494][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.401499][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.401502][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.401505][  T226]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.401510][  T226]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.401513][  T226]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.401516][  T226]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.401520][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.401523][  T226]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.401527][  T226]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.401534][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.401537][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.401541][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.401545][  T226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.401547][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.401550][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.401553][  T226]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.401559][  T226]  ? __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)
[   10.401561][  T226]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.401564][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.401570][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.401573][  T226]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.401582][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.401591][  T226]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.401600][  T226]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.401604][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.401611][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.401614][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.401617][  T226]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.401620][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.401627][  T226]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.401630][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.401635][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.401637][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.401645][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.401648][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.401654][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.401657][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.401662][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.401673][  T226]  ? 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))
[   10.401675][  T226]  ? 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))
[   10.401682][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.401689][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.401693][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.401700][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.401707][  T226]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.401713][  T226]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.401722][  T226]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.401725][  T226]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.401729][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.401731][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.401744][  T226]  ___sys_sendmsg (net/socket.c:2767)
[   10.401749][  T226]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.401779][  T226]  __sys_sendmsg (net/socket.c:2799)
[   10.401783][  T226]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.401794][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.401800][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.401803][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.401808][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.401811][  T226] RIP: 0033:0x7ff6de09654e
[   10.401816][  T226] 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
[   10.401818][  T226] RSP: 002b:00007ffe6bb26050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.401822][  T226] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff6de09654e
[   10.401824][  T226] RDX: 0000000000000000 RSI: 00007ffe6bb26100 RDI: 0000000000000005
[   10.401826][  T226] RBP: 00007ffe6bb26060 R08: 0000000000000000 R09: 0000000000000000
[   10.401827][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912fa1
[   10.401828][  T226] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6bb267c0
| [   16.187766][  T264] softirqs last disabled at (19075): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.187769][  T264] Preemption disabled at:
| [   16.187769][  T264] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.187779][  T264] Tainted: [W]=WARN
[   16.187780][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.187782][  T264] Call Trace:
[   16.187783][  T264]  <TASK>
[   16.187785][  T264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.187790][  T264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.187793][  T264]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.187797][  T264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.187801][  T264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.187806][  T264]  __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))
[   16.187809][  T264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.187815][  T264]  ? 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)
[   16.187817][  T264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.187821][  T264]  put_chars (drivers/char/virtio_console.c:1176)
[   16.187823][  T264]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.187825][  T264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.187828][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.187831][  T264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.187836][  T264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.187839][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.187840][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.187845][  T264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.187846][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.187850][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.187853][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.187857][  T264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.187861][  T264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.187863][  T264]  ? 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))
[   16.187866][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.187868][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.187872][  T264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.187876][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.187878][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.187884][  T264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.187887][  T264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.187889][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.187891][  T264]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.187895][  T264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.187896][  T264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.187900][  T264]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.187904][  T264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.187910][  T264]  ? 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
[   16.187913][  T264]  _printk (kernel/printk/printk.c:2504)
[   16.187917][  T264]  ? snapshot_read.cold (user.c:?)
[   16.187923][  T264]  ? 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)
[   16.187926][  T264] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.187929][  T264]  do_one_initcall (init/main.c:1357)
[   16.187931][  T264]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.187936][  T264]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.187939][  T264]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.187944][  T264]  do_init_module (kernel/module/main.c:3117)
[   16.187947][  T264]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.187951][  T264]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.187955][  T264]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.187959][  T264]  load_module (kernel/module/main.c:3593)
[   16.187966][  T264]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.187970][  T264]  ? __ia32_sys_fsconfig (??:?)
[   16.187973][  T264]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   16.187977][  T264]  ? backing_file_read_iter (fs/backing-file.c:211)
[   16.187980][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.187984][  T264]  init_module_from_file (kernel/module/main.c:3790)
[   16.187988][  T264]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.187996][  T264]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.187999][  T264]  ? 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)
[   16.188002][  T264]  idempotent_init_module (kernel/module/main.c:3802)
[   16.188006][  T264]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.188012][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.188015][  T264]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.188021][  T264]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.188023][  T264]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.188027][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.188029][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.188031][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.188034][  T264] RIP: 0033:0x7fd05c91637d
[   16.188038][  T264] 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
[   16.188039][  T264] RSP: 002b:00007ffe9cffdae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.188042][  T264] RAX: ffffffffffffffda RBX: 0000562da939f810 RCX: 00007fd05c91637d
[   16.188043][  T264] RDX: 0000000000000000 RSI: 0000562d89f48ffd RDI: 0000000000000000
[   16.188044][  T264] RBP: 00007ffe9cffdb80 R08: 0000000000000000 R09: 0000000000000000
[   16.188045][  T264] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d89f48ffd
[   16.188046][  T264] R13: 0000562da939f960 R14: 0000000000040000 R15: 0000000000000000
| [   21.056791][  T597] softirqs last disabled at (13550): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   21.056798][  T597] Preemption disabled at:
| [   21.056799][  T597] 0x0
| [   21.056810][  T597] Tainted: [W]=WARN
[   21.056810][  T597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.056813][  T597] Call Trace:
[   21.056814][  T597]  <TASK>
[   21.056816][  T597]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.056822][  T597]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.056826][  T597]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.056831][  T597]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.056836][  T597]  __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))
[   21.056838][  T597]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.056844][  T597]  ? 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)
[   21.056846][  T597]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.056850][  T597]  put_chars (drivers/char/virtio_console.c:1176)
[   21.056851][  T597]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   21.056853][  T597]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.056856][  T597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.056860][  T597]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.056864][  T597]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.056867][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.056868][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.056873][  T597]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.056874][  T597]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.056877][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.056880][  T597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.056884][  T597]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.056888][  T597]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.056889][  T597]  ? 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))
[   21.056892][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.056895][  T597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.056899][  T597]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.056903][  T597]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.056904][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.056909][  T597]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.056912][  T597]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.056914][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.056916][  T597]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.056920][  T597]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.056922][  T597]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.056925][  T597]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.056929][  T597]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.056932][  T597]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.056934][  T597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.056938][  T597]  _printk (kernel/printk/printk.c:2504)
[   21.056942][  T597]  ? snapshot_read.cold (user.c:?)
[   21.056949][  T597] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.056959][  T597] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   21.056968][  T597] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   21.056975][  T597] br_dev_stop (net/bridge/br_device.c:193) bridge
[   21.056984][  T597]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.056987][  T597]  __dev_close_many (net/core/dev.c:1798)
[   21.056991][  T597]  ? netif_open (net/core/dev.c:1755)
[   21.056994][  T597]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   21.056999][  T597]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   21.057003][  T597]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   21.057005][  T597]  ? __kernel_text_address (kernel/extable.c:79)
[   21.057008][  T597]  ? write_profile (profile.c:?)
[   21.057010][  T597]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.057015][  T597]  netif_change_flags (net/core/dev.c:9877)
[   21.057019][  T597]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.057022][  T597]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.057024][  T597]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.057025][  T597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.057027][  T597]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.057030][  T597]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.057033][  T597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.057034][  T597]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.057037][  T597]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.057040][  T597]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.057041][  T597]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.057044][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057046][  T597]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   21.057048][  T597]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.057053][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.057055][  T597]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.057057][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057060][  T597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.057061][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057063][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057065][  T597]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.057069][  T597]  ? __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)
[   21.057072][  T597]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.057074][  T597]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.057077][  T597]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.057083][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.057088][  T597]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.057093][  T597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.057095][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057099][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.057101][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.057103][  T597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.057105][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.057108][  T597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.057110][  T597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.057113][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.057115][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057119][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.057121][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.057124][  T597]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.057126][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.057129][  T597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.057135][  T597]  ? 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))
[   21.057136][  T597]  ? 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))
[   21.057140][  T597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.057144][  T597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.057147][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.057151][  T597]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.057154][  T597]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.057158][  T597]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.057164][  T597]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.057166][  T597]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.057168][  T597]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.057170][  T597]  ? move_addr_to_kernel (net/socket.c:258)
[   21.057177][  T597]  ___sys_sendmsg (net/socket.c:2767)
[   21.057180][  T597]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.057195][  T597]  __sys_sendmsg (net/socket.c:2799)
[   21.057198][  T597]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.057204][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.057208][  T597]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.057210][  T597]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.057213][  T597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.057215][  T597] RIP: 0033:0x7f42f137754e
[   21.057218][  T597] 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
[   21.057219][  T597] RSP: 002b:00007ffe1e7a5c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.057222][  T597] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f42f137754e
[   21.057223][  T597] RDX: 0000000000000000 RSI: 00007ffe1e7a5d30 RDI: 0000000000000005
[   21.057224][  T597] RBP: 00007ffe1e7a5c90 R08: 0000000000000000 R09: 0000000000000000
[   21.057225][  T597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912fac


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