======================================
| [    9.574988][  T187] softirqs last disabled at (27838): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.574991][  T187] Preemption disabled at:
| [    9.574991][  T187] 0x0
| [    9.575002][  T187] Tainted: [W]=WARN
[    9.575003][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.575005][  T187] Call Trace:
[    9.575006][  T187]  <TASK>
[    9.575008][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.575015][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.575019][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.575024][  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)
[    9.575029][  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))
[    9.575031][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.575037][  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)
[    9.575040][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.575043][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.575046][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.575047][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.575052][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.575057][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.575064][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.575068][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.575071][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.575075][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.575079][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.575081][  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))
[    9.575084][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.575086][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.575090][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.575094][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.575096][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.575101][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.575104][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.575106][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.575109][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.575112][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.575114][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.575117][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.575121][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.575125][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.575128][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.575132][  T187]  ? snapshot_read.cold (user.c:?)
[    9.575135][  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)
[    9.575138][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.575141][  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)
[    9.575144][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.575148][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.575150][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.575153][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.575158][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.575161][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.575162][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.575165][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.575168][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.575171][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.575173][  T187] RIP: 0033:0x7f18ea7d91b8
[    9.575175][  T187] Code: Unable to access opcode bytes at 0x7f18ea7d918e.

Code starting with the faulting instruction
===========================================
[    9.575177][  T187] RSP: 002b:00007ffcd16d66d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.575179][  T187] RAX: ffffffffffffffda RBX: 00007f18ea909f88 RCX: 00007f18ea7d91b8
[    9.575181][  T187] RDX: 00007f18ea523fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.575182][  T187] RBP: 00007ffcd16d6730 R08: 0000000000000000 R09: 0000000000008010
[    9.575183][  T187] R10: 00007ffcd16d64f0 R11: 0000000000000246 R12: 0000000000000001
[    9.575183][  T187] R13: 0000000000000000 R14: 00007f18ea908680 R15: 00007f18ea909fa0
| [   11.492813][  T266] softirqs last disabled at (19424): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.492815][  T266] Preemption disabled at:
| [   11.492816][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.492826][  T266] Tainted: [W]=WARN
[   11.492827][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.492828][  T266] Call Trace:
[   11.492830][  T266]  <TASK>
[   11.492832][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.492838][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.492840][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.492845][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.492849][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.492854][  T266]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.492864][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.492870][  T266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.492873][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.492876][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   11.492879][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.492883][  T266]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.492886][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.492889][  T266]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.492891][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.492893][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.492897][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.492899][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.492902][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492906][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.492910][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.492914][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.492916][  T266]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.492919][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492923][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.492930][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.492934][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.492936][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.492941][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.492944][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.492946][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492949][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.492952][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.492954][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.492957][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.492961][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.492964][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.492966][  T266]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.492970][  T266]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.492974][  T266]  _printk (kernel/printk/printk.c:2504)
[   11.492977][  T266]  ? snapshot_read.cold (user.c:?)
[   11.492981][  T266]  ? br_multicast_flood (??:?) bridge
[   11.492995][  T266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.492996][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.492998][  T266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.493002][  T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.493013][  T266] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.493021][  T266] new_nbp (net/bridge/br_if.c:449) bridge
[   11.493031][  T266] br_add_if (net/bridge/br_if.c:592) bridge
[   11.493038][  T266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.493042][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.493045][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   11.493049][  T266]  do_set_master (net/core/rtnetlink.c:3071)
[   11.493054][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.493057][  T266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.493061][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.493062][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.493067][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.493071][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.493074][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.493076][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.493079][  T266]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.493081][  T266]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.493083][  T266]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.493086][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.493088][  T266]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.493091][  T266]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.493095][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.493097][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.493100][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.493103][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.493104][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.493106][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.493108][  T266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.493112][  T266]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.493114][  T266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.493116][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.493119][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.493121][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.493126][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.493132][  T266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.493137][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.493139][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.493143][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.493145][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.493148][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.493149][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.493153][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.493155][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.493158][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.493160][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.493164][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.493166][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.493170][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.493172][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.493175][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.493181][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.493182][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.493187][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.493190][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.493193][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.493197][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.493201][  T266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.493205][  T266]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.493211][  T266]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.493213][  T266]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.493215][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.493217][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   11.493224][  T266]  ___sys_sendmsg (net/socket.c:2767)
[   11.493227][  T266]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.493243][  T266]  __sys_sendmsg (net/socket.c:2799)
[   11.493246][  T266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.493252][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.493256][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.493259][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.493262][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.493264][  T266] RIP: 0033:0x7f6025a9454e
[   11.493268][  T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.493269][  T266] RSP: 002b:00007ffca85dc5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.493272][  T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6025a9454e
[   11.493274][  T266] RDX: 0000000000000000 RSI: 00007ffca85dc6a0 RDI: 0000000000000005
[   11.493275][  T266] RBP: 00007ffca85dc600 R08: 0000000000000000 R09: 0000000000000000
[   11.493275][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d496
[   11.493276][  T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca85dcd60
| [   18.505727][  T348] softirqs last disabled at (21682): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   18.505735][  T348] Preemption disabled at:
| [   18.505736][  T348] 0x0
| [   18.505746][  T348] Tainted: [W]=WARN
[   18.505747][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.505749][  T348] Call Trace:
[   18.505750][  T348]  <TASK>
[   18.505752][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.505758][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.505763][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.505768][  T348]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.505773][  T348]  __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))
[   18.505776][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.505781][  T348]  ? 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)
[   18.505784][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.505787][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   18.505790][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.505792][  T348]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.505796][  T348]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   18.505799][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.505802][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.505804][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.505806][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.505810][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.505811][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.505816][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.505820][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.505824][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.505826][  T348]  ? 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))
[   18.505829][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.505833][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.505837][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.505842][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.505844][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.505849][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.505852][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.505854][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.505856][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.505860][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.505862][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.505865][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.505869][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.505872][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.505874][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.505877][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.505881][  T348]  _printk (kernel/printk/printk.c:2504)
[   18.505885][  T348]  ? snapshot_read.cold (user.c:?)
[   18.505893][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.505905][  T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   18.505914][  T348] br_device_event (net/bridge/br.c:111) bridge
[   18.505933][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.505939][  T348]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.505946][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   18.505952][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   18.505957][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   18.505961][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   18.505964][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   18.505966][  T348]  ? write_profile (profile.c:?)
[   18.505969][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.505973][  T348]  netif_change_flags (net/core/dev.c:9882)
[   18.505977][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.505981][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.505983][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.505985][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.505987][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.505990][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.505993][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.505995][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.505998][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.506001][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.506002][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.506005][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.506007][  T348]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.506010][  T348]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.506015][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.506017][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.506019][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.506022][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.506023][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.506025][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.506028][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.506032][  T348]  ? __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)
[   18.506033][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.506036][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.506039][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.506045][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.506050][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.506055][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.506057][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.506062][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.506064][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.506068][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.506070][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.506074][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.506076][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.506080][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.506081][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.506086][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.506088][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.506091][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.506093][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.506096][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.506103][  T348]  ? 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))
[   18.506104][  T348]  ? 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))
[   18.506109][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.506113][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.506115][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.506119][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.506123][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.506127][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.506133][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.506136][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.506138][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.506140][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   18.506147][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   18.506150][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.506167][  T348]  __sys_sendmsg (net/socket.c:2799)
[   18.506170][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.506176][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.506180][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.506182][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.506186][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.506188][  T348] RIP: 0033:0x7f5d1a8dc54e
[   18.506190][  T348] 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
[   18.506192][  T348] RSP: 002b:00007ffc02e90740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.506195][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5d1a8dc54e
[   18.506196][  T348] RDX: 0000000000000000 RSI: 00007ffc02e907f0 RDI: 0000000000000005
[   18.506197][  T348] RBP: 00007ffc02e90750 R08: 0000000000000000 R09: 0000000000000000
[   18.506198][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d49d
[   18.506199][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc02e90eb0
| [   23.762242][  T358] softirqs last disabled at (13064): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   23.762249][  T358] Preemption disabled at:
| [   23.762250][  T358] 0x0
| [   23.762260][  T358] Tainted: [W]=WARN
[   23.762261][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.762263][  T358] Call Trace:
[   23.762265][  T358]  <TASK>
[   23.762266][  T358]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.762273][  T358]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.762278][  T358]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.762282][  T358]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.762287][  T358]  __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))
[   23.762290][  T358]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.762295][  T358]  ? 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)
[   23.762298][  T358]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.762301][  T358]  put_chars (drivers/char/virtio_console.c:1176)
[   23.762303][  T358]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   23.762305][  T358]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.762308][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.762312][  T358]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.762316][  T358]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.762319][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762321][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762325][  T358]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.762327][  T358]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   23.762330][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762333][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.762337][  T358]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.762341][  T358]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.762343][  T358]  ? 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))
[   23.762346][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762348][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.762352][  T358]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.762357][  T358]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.762358][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762364][  T358]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.762367][  T358]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.762369][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762371][  T358]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.762375][  T358]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.762376][  T358]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.762382][  T358]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.762386][  T358]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.762389][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.762392][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.762396][  T358]  _printk (kernel/printk/printk.c:2504)
[   23.762400][  T358]  ? snapshot_read.cold (user.c:?)
[   23.762407][  T358] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   23.762418][  T358] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   23.762427][  T358] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   23.762435][  T358] br_dev_stop (net/bridge/br_device.c:193) bridge
[   23.762444][  T358]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.762446][  T358]  __dev_close_many (net/core/dev.c:1798)
[   23.762450][  T358]  ? netif_open (net/core/dev.c:1755)
[   23.762452][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.762455][  T358]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.762459][  T358]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   23.762462][  T358]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   23.762465][  T358]  ? __kernel_text_address (kernel/extable.c:79)
[   23.762468][  T358]  ? write_profile (profile.c:?)
[   23.762470][  T358]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.762475][  T358]  netif_change_flags (net/core/dev.c:9877)
[   23.762479][  T358]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   23.762482][  T358]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.762485][  T358]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.762486][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.762488][  T358]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.762491][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.762494][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.762496][  T358]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.762498][  T358]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.762502][  T358]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.762503][  T358]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.762506][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762508][  T358]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   23.762511][  T358]  ? ___sys_sendmsg (net/socket.c:2757)
[   23.762515][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.762517][  T358]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.762520][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762522][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.762524][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762526][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762528][  T358]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.762532][  T358]  ? __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)
[   23.762535][  T358]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.762537][  T358]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.762541][  T358]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.762546][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.762552][  T358]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.762557][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.762559][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762564][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.762565][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.762568][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.762569][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.762573][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.762575][  T358]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.762579][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.762580][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762585][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.762587][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.762590][  T358]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.762592][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.762595][  T358]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.762601][  T358]  ? 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))
[   23.762603][  T358]  ? 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))
[   23.762607][  T358]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.762611][  T358]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.762614][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762618][  T358]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.762622][  T358]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.762626][  T358]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.762631][  T358]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.762633][  T358]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.762636][  T358]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.762638][  T358]  ? move_addr_to_kernel (net/socket.c:258)
[   23.762645][  T358]  ___sys_sendmsg (net/socket.c:2767)
[   23.762648][  T358]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.762664][  T358]  __sys_sendmsg (net/socket.c:2799)
[   23.762667][  T358]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.762673][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762677][  T358]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.762680][  T358]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.762683][  T358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.762685][  T358] RIP: 0033:0x7f97d140154e
[   23.762687][  T358] 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
[   23.762690][  T358] RSP: 002b:00007ffe78108a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.762693][  T358] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f97d140154e
[   23.762694][  T358] RDX: 0000000000000000 RSI: 00007ffe78108af0 RDI: 0000000000000005
[   23.762695][  T358] RBP: 00007ffe78108a50 R08: 0000000000000000 R09: 0000000000000000
[   23.762695][  T358] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4a3
[   23.762696][  T358] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe781091b0
| [   29.635394][  T393] softirqs last disabled at (13592): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   29.635402][  T393] Preemption disabled at:
| [   29.635403][  T393] 0x0
| [   29.635413][  T393] Tainted: [W]=WARN
[   29.635414][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.635416][  T393] Call Trace:
[   29.635417][  T393]  <TASK>
[   29.635419][  T393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.635425][  T393]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.635430][  T393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.635434][  T393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.635439][  T393]  __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))
[   29.635442][  T393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.635448][  T393]  ? 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)
[   29.635450][  T393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.635453][  T393]  put_chars (drivers/char/virtio_console.c:1176)
[   29.635455][  T393]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.635457][  T393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.635460][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.635464][  T393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.635468][  T393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.635471][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.635472][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.635477][  T393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.635478][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.635481][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.635484][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.635488][  T393]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.635492][  T393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.635494][  T393]  ? 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))
[   29.635497][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.635499][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.635503][  T393]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.635508][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.635509][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.635515][  T393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.635518][  T393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.635519][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.635522][  T393]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.635525][  T393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.635527][  T393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.635531][  T393]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.635535][  T393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.635538][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.635541][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.635544][  T393]  _printk (kernel/printk/printk.c:2504)
[   29.635548][  T393]  ? snapshot_read.cold (user.c:?)
[   29.635556][  T393] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.635566][  T393] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.635575][  T393] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   29.635583][  T393] br_dev_stop (net/bridge/br_device.c:193) bridge
[   29.635592][  T393]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.635595][  T393]  __dev_close_many (net/core/dev.c:1798)
[   29.635599][  T393]  ? netif_open (net/core/dev.c:1755)
[   29.635601][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.635603][  T393]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.635608][  T393]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   29.635611][  T393]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.635614][  T393]  ? __kernel_text_address (kernel/extable.c:79)
[   29.635617][  T393]  ? write_profile (profile.c:?)
[   29.635619][  T393]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.635624][  T393]  netif_change_flags (net/core/dev.c:9877)
[   29.635628][  T393]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.635631][  T393]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.635633][  T393]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.635634][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.635636][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.635640][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.635642][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.635644][  T393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.635647][  T393]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.635650][  T393]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.635651][  T393]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.635654][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.635656][  T393]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   29.635659][  T393]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.635663][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.635665][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.635668][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.635670][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.635672][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.635674][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.635676][  T393]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.635680][  T393]  ? __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)
[   29.635683][  T393]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.635685][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.635688][  T393]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.635694][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.635699][  T393]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.635704][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.635706][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.635711][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.635713][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.635715][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.635717][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.635720][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.635723][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.635726][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.635727][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.635732][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.635733][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.635737][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.635739][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.635742][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.635748][  T393]  ? 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))
[   29.635749][  T393]  ? 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))
[   29.635754][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.635757][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.635760][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.635764][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.635768][  T393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.635772][  T393]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.635777][  T393]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.635780][  T393]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.635782][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.635784][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   29.635791][  T393]  ___sys_sendmsg (net/socket.c:2767)
[   29.635794][  T393]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.635810][  T393]  __sys_sendmsg (net/socket.c:2799)
[   29.635813][  T393]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.635819][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.635823][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.635825][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.635828][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.635831][  T393] RIP: 0033:0x7fa2363a754e
[   29.635833][  T393] 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
[   29.635835][  T393] RSP: 002b:00007fff1c5c3eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.635838][  T393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa2363a754e
[   29.635839][  T393] RDX: 0000000000000000 RSI: 00007fff1c5c3f60 RDI: 0000000000000005
[   29.635840][  T393] RBP: 00007fff1c5c3ec0 R08: 0000000000000000 R09: 0000000000000000
[   29.635841][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4a9
[   29.635842][  T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1c5c4620
| [   35.800558][  T693] softirqs last disabled at (21242): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   35.800566][  T693] Preemption disabled at:
| [   35.800567][  T693] 0x0
| [   35.800577][  T693] Tainted: [W]=WARN
[   35.800578][  T693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.800580][  T693] Call Trace:
[   35.800582][  T693]  <TASK>
[   35.800583][  T693]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.800590][  T693]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.800595][  T693]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.800600][  T693]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.800605][  T693]  __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))
[   35.800609][  T693]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.800615][  T693]  ? 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)
[   35.800618][  T693]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.800621][  T693]  put_chars (drivers/char/virtio_console.c:1176)
[   35.800624][  T693]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.800627][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.800632][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.800634][  T693]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.800638][  T693]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.800641][  T693]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.800643][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.800645][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.800649][  T693]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.800650][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.800655][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.800659][  T693]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.800663][  T693]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.800665][  T693]  ? 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))
[   35.800668][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.800670][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.800674][  T693]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.800679][  T693]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.800681][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.800686][  T693]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.800689][  T693]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.800691][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.800694][  T693]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.800697][  T693]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.800699][  T693]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.800703][  T693]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.800707][  T693]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.800709][  T693]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.800711][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.800714][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.800718][  T693]  _printk (kernel/printk/printk.c:2504)
[   35.800722][  T693]  ? snapshot_read.cold (user.c:?)
[   35.800730][  T693] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   35.800741][  T693] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   35.800750][  T693] br_device_event (net/bridge/br.c:111) bridge
[   35.800758][  T693]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   35.800762][  T693]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   35.800768][  T693]  notifier_call_chain (kernel/notifier.c:85)
[   35.800774][  T693]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   35.800779][  T693]  ? netif_change_name (net/core/dev.c:1517)
[   35.800783][  T693]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   35.800786][  T693]  ? __kernel_text_address (kernel/extable.c:79)
[   35.800789][  T693]  ? write_profile (profile.c:?)
[   35.800791][  T693]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.800796][  T693]  netif_change_flags (net/core/dev.c:9882)
[   35.800800][  T693]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   35.800804][  T693]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.800806][  T693]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.800807][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.800809][  T693]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.800813][  T693]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.800816][  T693]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.800817][  T693]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.800820][  T693]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.800823][  T693]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.800825][  T693]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.800828][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.800829][  T693]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   35.800832][  T693]  ? ___sys_sendmsg (net/socket.c:2757)
[   35.800837][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.800839][  T693]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.800842][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.800844][  T693]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.800846][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.800848][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.800850][  T693]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.800855][  T693]  ? __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)
[   35.800856][  T693]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.800858][  T693]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.800862][  T693]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.800867][  T693]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.800873][  T693]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.800878][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.800880][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.800885][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.800887][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.800889][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.800891][  T693]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.800895][  T693]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.800897][  T693]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.800900][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.800902][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.800906][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.800908][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.800912][  T693]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.800914][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.800917][  T693]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.800924][  T693]  ? 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))
[   35.800927][  T693]  ? 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))
[   35.800934][  T693]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.800938][  T693]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.800941][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.800945][  T693]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.800949][  T693]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.800953][  T693]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.800959][  T693]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.800961][  T693]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.800963][  T693]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.800965][  T693]  ? move_addr_to_kernel (net/socket.c:258)
[   35.800973][  T693]  ___sys_sendmsg (net/socket.c:2767)
[   35.800976][  T693]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.800992][  T693]  __sys_sendmsg (net/socket.c:2799)
[   35.800995][  T693]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.801002][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.801006][  T693]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.801008][  T693]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.801011][  T693]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.801014][  T693] RIP: 0033:0x7f9e5226054e
[   35.801016][  T693] 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
[   35.801018][  T693] RSP: 002b:00007ffcc555ef60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.801021][  T693] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9e5226054e
[   35.801022][  T693] RDX: 0000000000000000 RSI: 00007ffcc555f010 RDI: 0000000000000005
[   35.801023][  T693] RBP: 00007ffcc555ef70 R08: 0000000000000000 R09: 0000000000000000
[   35.801024][  T693] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4af
[   35.801025][  T693] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc555f6d0
| [   41.068068][  T703] softirqs last disabled at (11614): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   41.068076][  T703] Preemption disabled at:
| [   41.068077][  T703] 0x0
| [   41.068088][  T703] Tainted: [W]=WARN
[   41.068088][  T703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.068090][  T703] Call Trace:
[   41.068092][  T703]  <TASK>
[   41.068094][  T703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.068100][  T703]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.068105][  T703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.068109][  T703]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.068115][  T703]  __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))
[   41.068123][  T703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.068129][  T703]  ? 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)
[   41.068132][  T703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.068135][  T703]  put_chars (drivers/char/virtio_console.c:1176)
[   41.068137][  T703]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   41.068139][  T703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.068143][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.068146][  T703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.068151][  T703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.068154][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.068156][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.068160][  T703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.068162][  T703]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   41.068165][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.068168][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.068172][  T703]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.068176][  T703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.068177][  T703]  ? 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))
[   41.068181][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.068183][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.068187][  T703]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.068191][  T703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.068193][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.068199][  T703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.068201][  T703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.068203][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.068206][  T703]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.068209][  T703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.068211][  T703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.068214][  T703]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.068219][  T703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.068222][  T703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.068225][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.068228][  T703]  _printk (kernel/printk/printk.c:2504)
[   41.068232][  T703]  ? snapshot_read.cold (user.c:?)
[   41.068240][  T703] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   41.068251][  T703] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   41.068259][  T703] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   41.068267][  T703] br_dev_stop (net/bridge/br_device.c:193) bridge
[   41.068277][  T703]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.068279][  T703]  __dev_close_many (net/core/dev.c:1798)
[   41.068283][  T703]  ? netif_open (net/core/dev.c:1755)
[   41.068285][  T703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.068288][  T703]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.068292][  T703]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.068295][  T703]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   41.068298][  T703]  ? __kernel_text_address (kernel/extable.c:79)
[   41.068301][  T703]  ? write_profile (profile.c:?)
[   41.068304][  T703]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.068308][  T703]  netif_change_flags (net/core/dev.c:9877)
[   41.068312][  T703]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.068316][  T703]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.068318][  T703]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.068319][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.068321][  T703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.068324][  T703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.068327][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.068329][  T703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.068331][  T703]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.068334][  T703]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.068336][  T703]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.068339][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.068341][  T703]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   41.068343][  T703]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.068348][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.068350][  T703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.068353][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.068355][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.068357][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.068359][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.068361][  T703]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.068365][  T703]  ? __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)
[   41.068368][  T703]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.068370][  T703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.068374][  T703]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.068379][  T703]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.068384][  T703]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.068390][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.068392][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.068396][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.068398][  T703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.068400][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.068402][  T703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.068406][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.068408][  T703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.068411][  T703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.068412][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.068417][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.068419][  T703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.068422][  T703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.068424][  T703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.068427][  T703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.068433][  T703]  ? 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))
[   41.068435][  T703]  ? 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))
[   41.068439][  T703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.068443][  T703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.068446][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.068450][  T703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.068454][  T703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.068458][  T703]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.068463][  T703]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.068465][  T703]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.068468][  T703]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.068470][  T703]  ? move_addr_to_kernel (net/socket.c:258)
[   41.068477][  T703]  ___sys_sendmsg (net/socket.c:2767)
[   41.068480][  T703]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.068496][  T703]  __sys_sendmsg (net/socket.c:2799)
[   41.068499][  T703]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.068505][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.068509][  T703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.068512][  T703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.068515][  T703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.068517][  T703] RIP: 0033:0x7fd89ad3754e
[   41.068519][  T703] 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
[   41.068521][  T703] RSP: 002b:00007ffc2f208850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.068524][  T703] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd89ad3754e
[   41.068525][  T703] RDX: 0000000000000000 RSI: 00007ffc2f208900 RDI: 0000000000000005
[   41.068526][  T703] RBP: 00007ffc2f208860 R08: 0000000000000000 R09: 0000000000000000
[   41.068527][  T703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4b4
[   41.068528][  T703] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2f208fc0
| [   46.998524][  T738] softirqs last disabled at (14294): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   46.998532][  T738] Preemption disabled at:
| [   46.998533][  T738] 0x0
| [   46.998544][  T738] Tainted: [W]=WARN
[   46.998545][  T738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.998546][  T738] Call Trace:
[   46.998548][  T738]  <TASK>
[   46.998550][  T738]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.998556][  T738]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.998561][  T738]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.998565][  T738]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.998571][  T738]  __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))
[   46.998573][  T738]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.998579][  T738]  ? 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)
[   46.998582][  T738]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.998585][  T738]  put_chars (drivers/char/virtio_console.c:1176)
[   46.998587][  T738]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   46.998589][  T738]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.998592][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.998596][  T738]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.998601][  T738]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.998603][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.998605][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.998610][  T738]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.998611][  T738]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   46.998614][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.998617][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.998621][  T738]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.998625][  T738]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.998627][  T738]  ? 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))
[   46.998631][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.998633][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.998637][  T738]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.998641][  T738]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.998643][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.998649][  T738]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.998652][  T738]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.998654][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.998656][  T738]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.998660][  T738]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.998662][  T738]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.998665][  T738]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.998669][  T738]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.998672][  T738]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.998675][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.998679][  T738]  _printk (kernel/printk/printk.c:2504)
[   46.998683][  T738]  ? snapshot_read.cold (user.c:?)
[   46.998691][  T738] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   46.998701][  T738] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   46.998711][  T738] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   46.998719][  T738] br_dev_stop (net/bridge/br_device.c:193) bridge
[   46.998728][  T738]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.998731][  T738]  __dev_close_many (net/core/dev.c:1798)
[   46.998735][  T738]  ? netif_open (net/core/dev.c:1755)
[   46.998737][  T738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.998740][  T738]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.998744][  T738]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   46.998747][  T738]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   46.998750][  T738]  ? __kernel_text_address (kernel/extable.c:79)
[   46.998753][  T738]  ? write_profile (profile.c:?)
[   46.998756][  T738]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.998761][  T738]  netif_change_flags (net/core/dev.c:9877)
[   46.998765][  T738]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   46.998768][  T738]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.998770][  T738]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.998772][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.998773][  T738]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.998777][  T738]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.998780][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.998782][  T738]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.998784][  T738]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.998787][  T738]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.998789][  T738]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.998792][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.998794][  T738]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   46.998797][  T738]  ? ___sys_sendmsg (net/socket.c:2757)
[   46.998801][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.998803][  T738]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.998806][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.998809][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.998810][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.998812][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.998814][  T738]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.998818][  T738]  ? __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)
[   46.998821][  T738]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.998824][  T738]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.998827][  T738]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.998832][  T738]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.998838][  T738]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.998843][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.998845][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.998850][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.998852][  T738]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.998854][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.998856][  T738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.998860][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.998862][  T738]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.998865][  T738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.998867][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.998871][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.998873][  T738]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.998877][  T738]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.998879][  T738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.998881][  T738]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.998888][  T738]  ? 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))
[   46.998889][  T738]  ? 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))
[   46.998894][  T738]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.998898][  T738]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.998900][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.998905][  T738]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.998908][  T738]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.998912][  T738]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.998919][  T738]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.998922][  T738]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.998926][  T738]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.998928][  T738]  ? move_addr_to_kernel (net/socket.c:258)
[   46.998937][  T738]  ___sys_sendmsg (net/socket.c:2767)
[   46.998940][  T738]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.998956][  T738]  __sys_sendmsg (net/socket.c:2799)
[   46.998959][  T738]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.998966][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.998970][  T738]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.998972][  T738]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.998975][  T738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.998978][  T738] RIP: 0033:0x7fd56af9f54e
[   46.998980][  T738] 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
[   46.998982][  T738] RSP: 002b:00007ffcc5506270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.998985][  T738] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd56af9f54e
[   46.998986][  T738] RDX: 0000000000000000 RSI: 00007ffcc5506320 RDI: 0000000000000005
[   46.998987][  T738] RBP: 00007ffcc5506280 R08: 0000000000000000 R09: 0000000000000000
[   46.998988][  T738] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4ba
[   46.998989][  T738] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc55069e0
| [   49.642810][  T854] softirqs last disabled at (13876): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   49.642818][  T854] Preemption disabled at:
| [   49.642819][  T854] 0x0
| [   49.642829][  T854] Tainted: [W]=WARN
[   49.642829][  T854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.642831][  T854] Call Trace:
[   49.642833][  T854]  <TASK>
[   49.642834][  T854]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.642841][  T854]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.642846][  T854]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.642850][  T854]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.642855][  T854]  __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))
[   49.642858][  T854]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.642863][  T854]  ? 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)
[   49.642866][  T854]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.642869][  T854]  put_chars (drivers/char/virtio_console.c:1176)
[   49.642872][  T854]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.642875][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.642879][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.642882][  T854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.642886][  T854]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.642888][  T854]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   49.642890][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.642892][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.642896][  T854]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.642897][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.642902][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.642906][  T854]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.642910][  T854]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.642911][  T854]  ? 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))
[   49.642915][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.642917][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.642924][  T854]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.642930][  T854]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.642932][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.642937][  T854]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.642940][  T854]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.642942][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.642944][  T854]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.642948][  T854]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.642950][  T854]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.642953][  T854]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.642958][  T854]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.642960][  T854]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.642962][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.642965][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.642968][  T854]  _printk (kernel/printk/printk.c:2504)
[   49.642972][  T854]  ? snapshot_read.cold (user.c:?)
[   49.642980][  T854] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   49.642991][  T854] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   49.643001][  T854] br_device_event (net/bridge/br.c:111) bridge
[   49.643009][  T854]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   49.643012][  T854]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   49.643019][  T854]  notifier_call_chain (kernel/notifier.c:85)
[   49.643024][  T854]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   49.643029][  T854]  ? netif_change_name (net/core/dev.c:1517)
[   49.643033][  T854]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   49.643036][  T854]  ? __kernel_text_address (kernel/extable.c:79)
[   49.643039][  T854]  ? write_profile (profile.c:?)
[   49.643041][  T854]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   49.643046][  T854]  netif_change_flags (net/core/dev.c:9882)
[   49.643050][  T854]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   49.643054][  T854]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.643056][  T854]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.643057][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.643059][  T854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.643063][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.643068][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.643070][  T854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.643073][  T854]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.643076][  T854]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.643077][  T854]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.643080][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.643082][  T854]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   49.643085][  T854]  ? ___sys_sendmsg (net/socket.c:2757)
[   49.643090][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.643092][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.643094][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.643097][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.643098][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.643100][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.643103][  T854]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.643107][  T854]  ? __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)
[   49.643109][  T854]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.643111][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.643114][  T854]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.643120][  T854]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.643125][  T854]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.643130][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.643132][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.643137][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.643139][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.643141][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.643143][  T854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.643147][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.643149][  T854]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.643152][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.643154][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.643158][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.643160][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.643163][  T854]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.643165][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.643168][  T854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.643175][  T854]  ? 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))
[   49.643176][  T854]  ? 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))
[   49.643180][  T854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.643184][  T854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.643187][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.643197][  T854]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.643201][  T854]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.643205][  T854]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.643211][  T854]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.643213][  T854]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.643216][  T854]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   49.643217][  T854]  ? move_addr_to_kernel (net/socket.c:258)
[   49.643225][  T854]  ___sys_sendmsg (net/socket.c:2767)
[   49.643228][  T854]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.643244][  T854]  __sys_sendmsg (net/socket.c:2799)
[   49.643247][  T854]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.643253][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.643257][  T854]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.643260][  T854]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.643263][  T854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.643265][  T854] RIP: 0033:0x7f75fff8e54e
[   49.643268][  T854] 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
[   49.643269][  T854] RSP: 002b:00007ffdc2ea7d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.643272][  T854] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f75fff8e54e
[   49.643274][  T854] RDX: 0000000000000000 RSI: 00007ffdc2ea7e20 RDI: 0000000000000005
[   49.643275][  T854] RBP: 00007ffdc2ea7d80 R08: 0000000000000000 R09: 0000000000000000
[   49.643276][  T854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4bd
[   49.643277][  T854] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc2ea84e0
| [   54.900036][  T863] softirqs last disabled at (19176): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   54.900044][  T863] Preemption disabled at:
| [   54.900045][  T863] 0x0
| [   54.900055][  T863] Tainted: [W]=WARN
[   54.900056][  T863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.900057][  T863] Call Trace:
[   54.900059][  T863]  <TASK>
[   54.900061][  T863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.900070][  T863]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.900075][  T863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.900080][  T863]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.900085][  T863]  __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))
[   54.900088][  T863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.900093][  T863]  ? 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)
[   54.900096][  T863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.900100][  T863]  put_chars (drivers/char/virtio_console.c:1176)
[   54.900102][  T863]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   54.900104][  T863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.900107][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.900111][  T863]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.900115][  T863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.900118][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.900119][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.900124][  T863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.900125][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   54.900128][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.900131][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.900135][  T863]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.900139][  T863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.900141][  T863]  ? 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))
[   54.900144][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.900147][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.900151][  T863]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.900155][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.900157][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.900163][  T863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.900165][  T863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.900167][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.900170][  T863]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.900173][  T863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.900175][  T863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.900179][  T863]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.900183][  T863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.900186][  T863]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.900189][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.900192][  T863]  _printk (kernel/printk/printk.c:2504)
[   54.900196][  T863]  ? snapshot_read.cold (user.c:?)
[   54.900204][  T863] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   54.900214][  T863] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   54.900223][  T863] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   54.900231][  T863] br_dev_stop (net/bridge/br_device.c:193) bridge
[   54.900247][  T863]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.900250][  T863]  __dev_close_many (net/core/dev.c:1798)
[   54.900254][  T863]  ? netif_open (net/core/dev.c:1755)
[   54.900256][  T863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.900258][  T863]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.900263][  T863]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   54.900266][  T863]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   54.900269][  T863]  ? __kernel_text_address (kernel/extable.c:79)
[   54.900272][  T863]  ? write_profile (profile.c:?)
[   54.900274][  T863]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   54.900279][  T863]  netif_change_flags (net/core/dev.c:9877)
[   54.900283][  T863]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   54.900286][  T863]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.900289][  T863]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.900290][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.900292][  T863]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.900295][  T863]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.900298][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.900300][  T863]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.900302][  T863]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.900305][  T863]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.900307][  T863]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.900310][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.900311][  T863]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   54.900314][  T863]  ? ___sys_sendmsg (net/socket.c:2757)
[   54.900319][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.900321][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.900323][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.900326][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.900327][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.900329][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.900332][  T863]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.900336][  T863]  ? __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)
[   54.900339][  T863]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.900341][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.900345][  T863]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.900350][  T863]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.900355][  T863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.900361][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.900363][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.900367][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.900369][  T863]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.900371][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.900373][  T863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.900377][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.900379][  T863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.900382][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.900383][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.900388][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.900390][  T863]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.900393][  T863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.900395][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.900398][  T863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.900404][  T863]  ? 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))
[   54.900406][  T863]  ? 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))
[   54.900410][  T863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.900414][  T863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.900417][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.900421][  T863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.900425][  T863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.900429][  T863]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.900434][  T863]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   54.900437][  T863]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.900439][  T863]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   54.900441][  T863]  ? move_addr_to_kernel (net/socket.c:258)
[   54.900448][  T863]  ___sys_sendmsg (net/socket.c:2767)
[   54.900451][  T863]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.900467][  T863]  __sys_sendmsg (net/socket.c:2799)
[   54.900470][  T863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.900476][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.900480][  T863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.900482][  T863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.900486][  T863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.900488][  T863] RIP: 0033:0x7f4d44fa354e
[   54.900490][  T863] 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
[   54.900492][  T863] RSP: 002b:00007ffc627d5bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.900495][  T863] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4d44fa354e
[   54.900496][  T863] RDX: 0000000000000000 RSI: 00007ffc627d5ca0 RDI: 0000000000000005
[   54.900497][  T863] RBP: 00007ffc627d5c00 R08: 0000000000000000 R09: 0000000000000000
[   54.900498][  T863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4c2
[   54.900499][  T863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc627d6360
| [   55.906861][  T904] softirqs last disabled at (15812): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   55.906864][  T904] Preemption disabled at:
| [   55.906864][  T904] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.906874][  T904] Tainted: [W]=WARN
[   55.906875][  T904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.906876][  T904] Call Trace:
[   55.906878][  T904]  <TASK>
[   55.906880][  T904]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.906886][  T904]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.906888][  T904]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.906893][  T904]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.906897][  T904]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.906903][  T904]  __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))
[   55.906905][  T904]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.906911][  T904]  ? 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)
[   55.906913][  T904]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.906916][  T904]  put_chars (drivers/char/virtio_console.c:1176)
[   55.906921][  T904]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.906932][  T904]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.906938][  T904]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.906941][  T904]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.906945][  T904]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.906949][  T904]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.906951][  T904]  ? 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))
[   55.906954][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.906958][  T904]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.906962][  T904]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.906966][  T904]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.906968][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.906974][  T904]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.906977][  T904]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.906978][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.906981][  T904]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.906985][  T904]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.906987][  T904]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.906990][  T904]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.906994][  T904]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.906998][  T904]  ? __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)
[   55.907001][  T904]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.907002][  T904]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.907005][  T904]  _printk (kernel/printk/printk.c:2504)
[   55.907009][  T904]  ? snapshot_read.cold (user.c:?)
[   55.907013][  T904]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   55.907027][  T904]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   55.907032][  T904] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.907043][  T904] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   55.907051][  T904] new_nbp (net/bridge/br_if.c:449) bridge
[   55.907061][  T904] br_add_if (net/bridge/br_if.c:592) bridge
[   55.907070][  T904]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   55.907076][  T904]  do_set_master (net/core/rtnetlink.c:3071)
[   55.907081][  T904]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   55.907085][  T904]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   55.907087][  T904]  ? __dev_get_by_name (net/core/dev.c:905)
[   55.907090][  T904]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   55.907099][  T904]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   55.907106][  T904]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.907111][  T904]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.907114][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.907120][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.907124][  T904]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.907126][  T904]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.907130][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.907131][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.907135][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.907137][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.907141][  T904]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.907144][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.907147][  T904]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.907154][  T904]  ? 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))
[   55.907155][  T904]  ? 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))
[   55.907160][  T904]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.907164][  T904]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.907166][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.907171][  T904]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.907175][  T904]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.907179][  T904]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.907184][  T904]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.907188][  T904]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.907190][  T904]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.907192][  T904]  ? move_addr_to_kernel (net/socket.c:258)
[   55.907196][  T904]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   55.907199][  T904]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   55.907204][  T904]  ___sys_sendmsg (net/socket.c:2767)
[   55.907207][  T904]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.907223][  T904]  __sys_sendmsg (net/socket.c:2799)
[   55.907226][  T904]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.907231][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.907234][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.907238][  T904]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.907240][  T904]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.907243][  T904]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.907245][  T904] RIP: 0033:0x7fe61153954e
[   55.907256][  T904] 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
[   55.907257][  T904] RSP: 002b:00007ffd00d67ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.907260][  T904] RAX: ffffffffffffffda RBX: 00007ffd00d68278 RCX: 00007fe61153954e
[   55.907262][  T904] RDX: 0000000000000000 RSI: 00007ffd00d67b70 RDI: 0000000000000005
[   55.907263][  T904] RBP: 00007ffd00d67ad0 R08: 0000000000000000 R09: 0000000000000000
[   55.907264][  T904] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4c3
[   55.907265][  T904] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd00d68230
| [   56.906212][  T944] softirqs last disabled at (19471): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   56.906214][  T944] Preemption disabled at:
| [   56.906215][  T944] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.906224][  T944] Tainted: [W]=WARN
[   56.906225][  T944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.906226][  T944] Call Trace:
[   56.906228][  T944]  <TASK>
[   56.906230][  T944]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.906236][  T944]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.906238][  T944]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.906242][  T944]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.906247][  T944]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.906252][  T944]  __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))
[   56.906255][  T944]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.906268][  T944]  ? 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)
[   56.906271][  T944]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.906274][  T944]  put_chars (drivers/char/virtio_console.c:1176)
[   56.906277][  T944]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.906279][  T944]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.906284][  T944]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.906289][  T944]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.906296][  T944]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.906298][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.906301][  T944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.906305][  T944]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.906309][  T944]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.906311][  T944]  ? 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))
[   56.906314][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.906317][  T944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.906321][  T944]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.906325][  T944]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.906327][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.906333][  T944]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.906336][  T944]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.906338][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.906340][  T944]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.906344][  T944]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.906346][  T944]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.906350][  T944]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.906353][  T944]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.906360][  T944]  _printk (kernel/printk/printk.c:2504)
[   56.906363][  T944]  ? snapshot_read.cold (user.c:?)
[   56.906366][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.906369][  T944]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.906373][  T944]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.906376][  T944]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.906380][  T944]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.906382][  T944]  ? netdev_notice (net/core/dev.c:13194)
[   56.906391][  T944]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   56.906395][  T944]  ? dev_set_allmulti (./include/linux/netdevice.h:2861 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:314)
[   56.906397][  T944]  dev_set_allmulti (net/core/dev_api.c:315)
[   56.906400][  T944] br_add_if (net/bridge/br_if.c:598) bridge
[   56.906419][  T944]  do_set_master (net/core/rtnetlink.c:3071)
[   56.906424][  T944]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.906428][  T944]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.906430][  T944]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.906432][  T944]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.906442][  T944]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.906449][  T944]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.906455][  T944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.906457][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.906465][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.906469][  T944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.906471][  T944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.906474][  T944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.906476][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.906480][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.906482][  T944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.906486][  T944]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.906489][  T944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.906493][  T944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.906499][  T944]  ? 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))
[   56.906501][  T944]  ? 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))
[   56.906506][  T944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.906510][  T944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.906512][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.906517][  T944]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.906521][  T944]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.906525][  T944]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.906531][  T944]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.906535][  T944]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.906537][  T944]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.906539][  T944]  ? move_addr_to_kernel (net/socket.c:258)
[   56.906543][  T944]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   56.906546][  T944]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   56.906551][  T944]  ___sys_sendmsg (net/socket.c:2767)
[   56.906554][  T944]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.906571][  T944]  __sys_sendmsg (net/socket.c:2799)
[   56.906575][  T944]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.906581][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.906583][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.906587][  T944]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.906590][  T944]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.906594][  T944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.906596][  T944] RIP: 0033:0x7fc86278b54e
[   56.906600][  T944] 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
[   56.906601][  T944] RSP: 002b:00007ffc76456560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.906604][  T944] RAX: ffffffffffffffda RBX: 00007ffc76456d18 RCX: 00007fc86278b54e
[   56.906606][  T944] RDX: 0000000000000000 RSI: 00007ffc76456610 RDI: 0000000000000005
[   56.906607][  T944] RBP: 00007ffc76456570 R08: 0000000000000000 R09: 0000000000000000
[   56.906608][  T944] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4c4
[   56.906609][  T944] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc76456cd0
| [   57.906718][  T981] softirqs last disabled at (20502): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.906721][  T981] Preemption disabled at:
| [   57.906721][  T981] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.906731][  T981] Tainted: [W]=WARN
[   57.906732][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.906734][  T981] Call Trace:
[   57.906735][  T981]  <TASK>
[   57.906737][  T981]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.906743][  T981]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.906746][  T981]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.906751][  T981]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.906755][  T981]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.906761][  T981]  __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))
[   57.906763][  T981]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.906769][  T981]  ? 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)
[   57.906772][  T981]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.906775][  T981]  put_chars (drivers/char/virtio_console.c:1176)
[   57.906778][  T981]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.906785][  T981]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.906792][  T981]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.906795][  T981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.906800][  T981]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.906804][  T981]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.906806][  T981]  ? 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))
[   57.906810][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906814][  T981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.906819][  T981]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.906823][  T981]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.906825][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.906831][  T981]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.906834][  T981]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.906836][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906838][  T981]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.906842][  T981]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.906844][  T981]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.906848][  T981]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.906852][  T981]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.906855][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.906857][  T981]  ? __ww_mutex_add_waiter (kernel/locking/ww_mutex.h:582 (discriminator 1))
[   57.906862][  T981]  _printk (kernel/printk/printk.c:2504)
[   57.906866][  T981]  ? snapshot_read.cold (user.c:?)
[   57.906869][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906872][  T981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.906873][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906875][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.906877][  T981]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   57.906881][  T981]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   57.906885][  T981]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   57.906887][  T981]  ? netdev_notice (net/core/dev.c:13194)
[   57.906890][  T981]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   57.906894][  T981]  ? dev_disable_lro (./include/linux/netdevice.h:2861 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:266)
[   57.906898][  T981]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.906903][  T981]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   57.906906][  T981]  ? br_add_if (net/bridge/br_if.c:629) bridge
[   57.906921][  T981]  netif_set_promiscuity (net/core/dev.c:9699)
[   57.906927][  T981]  dev_set_promiscuity (net/core/dev_api.c:288)
[   57.906931][  T981] br_port_set_promisc (net/bridge/br_if.c:109) bridge
[   57.906941][  T981] br_manage_promisc (net/bridge/br_if.c:175) bridge
[   57.906950][  T981] br_add_if (net/bridge/br_if.c:243 net/bridge/br_if.c:633) bridge
[   57.906963][  T981]  do_set_master (net/core/rtnetlink.c:3071)
[   57.906968][  T981]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   57.906972][  T981]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   57.906974][  T981]  ? __dev_get_by_name (net/core/dev.c:905)
[   57.906976][  T981]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   57.906986][  T981]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   57.906993][  T981]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.906999][  T981]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.907001][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.907008][  T981]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.907012][  T981]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.907014][  T981]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.907018][  T981]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.907019][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.907024][  T981]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.907026][  T981]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.907029][  T981]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.907032][  T981]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.907036][  T981]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.907042][  T981]  ? 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))
[   57.907044][  T981]  ? 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))
[   57.907048][  T981]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.907052][  T981]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.907055][  T981]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.907060][  T981]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.907064][  T981]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.907070][  T981]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.907076][  T981]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.907080][  T981]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.907082][  T981]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.907084][  T981]  ? move_addr_to_kernel (net/socket.c:258)
[   57.907089][  T981]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   57.907091][  T981]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.907095][  T981]  ___sys_sendmsg (net/socket.c:2767)
[   57.907097][  T981]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   57.907100][  T981]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.907103][  T981]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   57.907121][  T981]  __sys_sendmsg (net/socket.c:2799)
[   57.907124][  T981]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.907130][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.907133][  T981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.907137][  T981]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.907139][  T981]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.907143][  T981]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.907145][  T981] RIP: 0033:0x7f007847854e
[   57.907149][  T981] 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
[   57.907151][  T981] RSP: 002b:00007ffc51d708e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.907154][  T981] RAX: ffffffffffffffda RBX: 00007ffc51d71098 RCX: 00007f007847854e
[   57.907156][  T981] RDX: 0000000000000000 RSI: 00007ffc51d70990 RDI: 0000000000000005
[   57.907157][  T981] RBP: 00007ffc51d708f0 R08: 0000000000000000 R09: 0000000000000000
[   57.907158][  T981] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4c5
[   57.907159][  T981] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc51d71050
| [   57.945485][    C0]
| [   57.945486][    C0]
| [   57.945486][    C0] stack backtrace:
| [   57.945492][    C0] Tainted: [W]=WARN
[   57.945493][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.945495][    C0] Call Trace:
[   57.945496][    C0]  <IRQ>
[   57.945498][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.945502][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   57.945505][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   57.945506][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   57.945510][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   57.945512][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   57.945513][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   57.945516][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.945518][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   57.945520][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.945523][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.945525][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   57.945527][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   57.945529][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   57.945531][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.945534][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   57.945536][    C0]  _printk (kernel/printk/printk.c:2504)
[   57.945538][    C0]  ? snapshot_read.cold (user.c:?)
[   57.945540][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   57.945541][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.945544][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   57.945545][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.945547][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.945549][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   57.945551][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   57.945552][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   57.945556][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.945558][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.945560][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.945562][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   57.945564][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.945566][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   57.945568][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.945571][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.945574][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   57.945576][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   57.945578][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.945580][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.945582][    C0]  handle_softirqs (kernel/softirq.c:645)
[   57.945584][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.945585][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   57.945587][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   57.945589][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   57.945590][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   57.945592][    C0]  </IRQ>
[   57.945593][    C0]  <TASK>
[   57.945593][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   57.945595][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   57.945597][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   57.945600][    C0] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   57.945601][    C0] RSP: 0018:ffffffff8dc07cf8 EFLAGS: 00000296
[   57.945604][    C0] RAX: 00000000001db1d1 RBX: ffffffff8dc1c600 RCX: ffffffff8acf0307
[   57.945605][    C0] RDX: ffffffff8dc1c600 RSI: ffffffff8da38b1c RDI: ffffffff8d48d8e0
[   57.945606][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   57.945607][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1b80fa2
[   57.945608][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   57.945610][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   57.945612][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   57.945614][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   57.945615][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   57.945617][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   57.945619][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   57.945621][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   57.945623][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.945625][    C0]  do_idle (kernel/sched/idle.c:355)
[   57.945627][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   57.945628][    C0]  rest_init (init/main.c:727)
[   57.945630][    C0]  ? __cpuidle_text_end (??:?)
[   57.945633][    C0]  ? rest_init (init/main.c:727)
[   57.945635][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   57.945639][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   57.945641][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   57.945644][    C0]  start_kernel (init/main.c:1185)
[   57.945645][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   57.945647][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   57.945649][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   62.809707][ T1161] softirqs last disabled at (0): 0x0
| [   62.809709][ T1161] Preemption disabled at:
| [   62.809710][ T1161] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.809721][ T1161] Tainted: [W]=WARN
[   62.809722][ T1161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.809724][ T1161] Call Trace:
[   62.809725][ T1161]  <TASK>
[   62.809727][ T1161]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.809732][ T1161]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.809734][ T1161]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.809738][ T1161]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.809741][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809745][ T1161]  __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))
[   62.809749][ T1161]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.809752][ T1161]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.809755][ T1161]  ? 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)
[   62.809757][ T1161]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.809760][ T1161]  put_chars (drivers/char/virtio_console.c:1176)
[   62.809762][ T1161]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.809763][ T1161]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   62.809766][ T1161]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.809769][ T1161]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.809771][ T1161]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.809772][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809774][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.809777][ T1161]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.809779][ T1161]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.809781][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809783][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809785][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809786][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.809788][ T1161]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   62.809790][ T1161]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.809792][ T1161]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.809795][ T1161]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.809797][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.809799][ T1161]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.809800][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809802][ T1161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.809803][ T1161]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.809805][ T1161]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   62.809807][ T1161]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.809809][ T1161]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.809811][ T1161]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.809813][ T1161]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.809815][ T1161]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.809819][ T1161]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.809822][ T1161]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.809823][ T1161]  ? __sys_sendmsg (net/socket.c:2799)
[   62.809825][ T1161]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.809828][ T1161]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.809830][ T1161]  _printk (kernel/printk/printk.c:2504)
[   62.809834][ T1161]  ? snapshot_read.cold (user.c:?)
[   62.809835][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809837][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809839][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809841][ T1161]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.809843][ T1161]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   62.809846][ T1161]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   62.809848][ T1161]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   62.809850][ T1161]  ? netdev_notice (net/core/dev.c:13194)
[   62.809851][ T1161]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.809854][ T1161]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   62.809856][ T1161]  ? trace_contention_end (./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/lock.h:121)
[   62.809858][ T1161]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   62.809861][ T1161]  dev_set_allmulti (net/core/dev_api.c:315)
[   62.809864][ T1161] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   62.809876][ T1161]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   62.809879][ T1161] br_dev_delete (net/bridge/br_if.c:387) bridge
[   62.809887][ T1161]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   62.809890][ T1161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.809892][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809893][ T1161]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   62.809896][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809902][ T1161]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   62.809905][ T1161]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.809907][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809908][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809910][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.809912][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809913][ T1161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.809915][ T1161]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   62.809919][ T1161]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.809921][ T1161]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.809925][ T1161]  ? __kernel_text_address (kernel/extable.c:79)
[   62.809927][ T1161]  ? write_profile (profile.c:?)
[   62.809930][ T1161]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.809932][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809934][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809935][ T1161]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   62.809939][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.809940][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809942][ T1161]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   62.809944][ T1161]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.809946][ T1161]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.809948][ T1161]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.809949][ T1161]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.809953][ T1161]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.809955][ T1161]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.809956][ T1161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.809958][ T1161]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.809959][ T1161]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   62.809962][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809963][ T1161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.809965][ T1161]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.809967][ T1161]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.809969][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809971][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809972][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.809974][ T1161]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.809976][ T1161]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.809978][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.809980][ T1161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.809982][ T1161]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.809983][ T1161]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.809985][ T1161]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.809987][ T1161]  ? move_addr_to_kernel (net/socket.c:258)
[   62.809988][ T1161]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.809991][ T1161]  ___sys_sendmsg (net/socket.c:2767)
[   62.809992][ T1161]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.809997][ T1161]  __sys_sendmsg (net/socket.c:2799)
[   62.810000][ T1161]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.810002][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.810004][ T1161]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.810006][ T1161]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.810008][ T1161]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.810010][ T1161] RIP: 0033:0x7fdaa7fb554e
[   62.810012][ T1161] 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
[   62.810014][ T1161] RSP: 002b:00007ffe1405e290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.810017][ T1161] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdaa7fb554e
[   62.810019][ T1161] RDX: 0000000000000000 RSI: 00007ffe1405e340 RDI: 0000000000000005
[   62.810020][ T1161] RBP: 00007ffe1405e2a0 R08: 0000000000000000 R09: 0000000000000000
[   62.810020][ T1161] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4ca
[   62.810021][ T1161] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1405ea00
| [   64.644254][ T1198] softirqs last disabled at (0): 0x0
| [   64.644256][ T1198] Preemption disabled at:
| [   64.644256][ T1198] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.644268][ T1198] Tainted: [W]=WARN
[   64.644268][ T1198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.644270][ T1198] Call Trace:
[   64.644272][ T1198]  <TASK>
[   64.644273][ T1198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.644279][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.644281][ T1198]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.644284][ T1198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.644288][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644291][ T1198]  __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))
[   64.644295][ T1198]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.644297][ T1198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.644301][ T1198]  ? 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)
[   64.644303][ T1198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.644305][ T1198]  put_chars (drivers/char/virtio_console.c:1176)
[   64.644307][ T1198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.644309][ T1198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   64.644312][ T1198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.644315][ T1198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.644316][ T1198]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.644318][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644320][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.644322][ T1198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.644332][ T1198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.644334][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644336][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644338][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644339][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.644341][ T1198]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   64.644343][ T1198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.644345][ T1198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.644348][ T1198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.644350][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.644352][ T1198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.644353][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644355][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.644356][ T1198]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.644358][ T1198]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   64.644360][ T1198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.644362][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.644364][ T1198]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.644366][ T1198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.644368][ T1198]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.644372][ T1198]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.644375][ T1198]  ? ___sys_sendmsg (net/socket.c:2767)
[   64.644376][ T1198]  ? __sys_sendmsg (net/socket.c:2799)
[   64.644378][ T1198]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.644380][ T1198]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.644383][ T1198]  _printk (kernel/printk/printk.c:2504)
[   64.644386][ T1198]  ? snapshot_read.cold (user.c:?)
[   64.644388][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644389][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644391][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644393][ T1198]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.644396][ T1198]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.644398][ T1198]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.644400][ T1198]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.644402][ T1198]  ? netdev_notice (net/core/dev.c:13194)
[   64.644403][ T1198]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.644406][ T1198]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   64.644408][ T1198]  ? trace_contention_end (./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/lock.h:121)
[   64.644410][ T1198]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   64.644413][ T1198]  dev_set_allmulti (net/core/dev_api.c:315)
[   64.644416][ T1198] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   64.644428][ T1198]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   64.644431][ T1198] br_dev_delete (net/bridge/br_if.c:387) bridge
[   64.644439][ T1198]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   64.644442][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.644443][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644445][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   64.644448][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644454][ T1198]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   64.644457][ T1198]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.644458][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644460][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644462][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.644463][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644465][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.644467][ T1198]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   64.644470][ T1198]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   64.644472][ T1198]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.644475][ T1198]  ? __kernel_text_address (kernel/extable.c:79)
[   64.644476][ T1198]  ? write_profile (profile.c:?)
[   64.644478][ T1198]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.644479][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644481][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644483][ T1198]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   64.644486][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.644488][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644490][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   64.644492][ T1198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.644494][ T1198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.644495][ T1198]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   64.644497][ T1198]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   64.644501][ T1198]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.644502][ T1198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.644504][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.644505][ T1198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.644506][ T1198]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   64.644509][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644511][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.644513][ T1198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.644515][ T1198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.644516][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644518][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644520][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.644522][ T1198]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.644524][ T1198]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.644526][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644527][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.644529][ T1198]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.644531][ T1198]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.644533][ T1198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   64.644534][ T1198]  ? move_addr_to_kernel (net/socket.c:258)
[   64.644536][ T1198]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   64.644538][ T1198]  ___sys_sendmsg (net/socket.c:2767)
[   64.644540][ T1198]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.644545][ T1198]  __sys_sendmsg (net/socket.c:2799)
[   64.644547][ T1198]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.644550][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.644552][ T1198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.644553][ T1198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.644555][ T1198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.644557][ T1198] RIP: 0033:0x7fd1aea8754e
[   64.644559][ T1198] 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
[   64.644561][ T1198] RSP: 002b:00007ffdd305de20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.644565][ T1198] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd1aea8754e
[   64.644566][ T1198] RDX: 0000000000000000 RSI: 00007ffdd305ded0 RDI: 0000000000000005
[   64.644567][ T1198] RBP: 00007ffdd305de30 R08: 0000000000000000 R09: 0000000000000000
[   64.644568][ T1198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4cc
[   64.644569][ T1198] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd305e590
| [   66.625247][ T1237] softirqs last disabled at (0): 0x0
| [   66.625249][ T1237] Preemption disabled at:
| [   66.625250][ T1237] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.625261][ T1237] Tainted: [W]=WARN
[   66.625262][ T1237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.625264][ T1237] Call Trace:
[   66.625265][ T1237]  <TASK>
[   66.625266][ T1237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.625272][ T1237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.625274][ T1237]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.625278][ T1237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.625282][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625286][ T1237]  __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))
[   66.625290][ T1237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.625292][ T1237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.625296][ T1237]  ? 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)
[   66.625298][ T1237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.625300][ T1237]  put_chars (drivers/char/virtio_console.c:1176)
[   66.625303][ T1237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.625304][ T1237]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   66.625306][ T1237]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   66.625309][ T1237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.625312][ T1237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.625314][ T1237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.625316][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.625318][ T1237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.625321][ T1237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.625323][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625325][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625327][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625329][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.625331][ T1237]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   66.625332][ T1237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.625335][ T1237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.625338][ T1237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.625340][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.625347][ T1237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.625349][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625350][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.625352][ T1237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.625354][ T1237]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   66.625356][ T1237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.625358][ T1237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.625360][ T1237]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.625363][ T1237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.625365][ T1237]  ? __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)
[   66.625368][ T1237]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   66.625370][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625372][ T1237]  _printk (kernel/printk/printk.c:2504)
[   66.625375][ T1237]  ? snapshot_read.cold (user.c:?)
[   66.625377][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625379][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.625381][ T1237]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   66.625383][ T1237] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   66.625398][ T1237] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   66.625407][ T1237] new_nbp (net/bridge/br_if.c:449) bridge
[   66.625417][ T1237] br_add_if (net/bridge/br_if.c:592) bridge
[   66.625425][ T1237]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   66.625428][ T1237]  do_set_master (net/core/rtnetlink.c:3071)
[   66.625433][ T1237]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   66.625435][ T1237]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   66.625436][ T1237]  ? __dev_get_by_name (net/core/dev.c:905)
[   66.625439][ T1237]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   66.625443][ T1237]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   66.625446][ T1237]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.625448][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625450][ T1237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.625451][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.625453][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625455][ T1237]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   66.625459][ T1237]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   66.625461][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625463][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625465][ T1237]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   66.625468][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.625470][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625472][ T1237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.625473][ T1237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.625475][ T1237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.625477][ T1237]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   66.625479][ T1237]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   66.625484][ T1237]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.625487][ T1237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.625488][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.625490][ T1237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.625491][ T1237]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   66.625494][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625496][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.625498][ T1237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.625500][ T1237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.625502][ T1237]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   66.625505][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.625507][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625509][ T1237]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.625511][ T1237]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.625513][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625515][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.625517][ T1237]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.625520][ T1237]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.625522][ T1237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   66.625523][ T1237]  ? move_addr_to_kernel (net/socket.c:258)
[   66.625526][ T1237]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   66.625529][ T1237]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   66.625533][ T1237]  ___sys_sendmsg (net/socket.c:2767)
[   66.625535][ T1237]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.625540][ T1237]  __sys_sendmsg (net/socket.c:2799)
[   66.625542][ T1237]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.625545][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625547][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.625549][ T1237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.625551][ T1237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.625553][ T1237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.625556][ T1237] RIP: 0033:0x7f9ea604d54e
[   66.625558][ T1237] 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
[   66.625560][ T1237] RSP: 002b:00007ffe9c4dcca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.625564][ T1237] RAX: ffffffffffffffda RBX: 00007ffe9c4dd458 RCX: 00007f9ea604d54e
[   66.625566][ T1237] RDX: 0000000000000000 RSI: 00007ffe9c4dcd50 RDI: 0000000000000005
[   66.625567][ T1237] RBP: 00007ffe9c4dccb0 R08: 0000000000000000 R09: 0000000000000000
[   66.625567][ T1237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4ce
[   66.625568][ T1237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9c4dd410
| [   67.698071][ T1305] softirqs last disabled at (0): 0x0
| [   67.698072][ T1305] Preemption disabled at:
| [   67.698073][ T1305] vprintk_emit (kernel/printk/printk.c:2471)
| [   67.698084][ T1305] Tainted: [W]=WARN
[   67.698085][ T1305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.698087][ T1305] Call Trace:
[   67.698088][ T1305]  <TASK>
[   67.698090][ T1305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.698095][ T1305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   67.698097][ T1305]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.698101][ T1305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.698105][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698109][ T1305]  __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))
[   67.698112][ T1305]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   67.698115][ T1305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.698119][ T1305]  ? 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)
[   67.698121][ T1305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.698123][ T1305]  put_chars (drivers/char/virtio_console.c:1176)
[   67.698125][ T1305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.698126][ T1305]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   67.698128][ T1305]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   67.698131][ T1305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.698134][ T1305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.698135][ T1305]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   67.698137][ T1305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.698139][ T1305]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.698142][ T1305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.698144][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698146][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698148][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698150][ T1305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.698152][ T1305]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   67.698154][ T1305]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.698157][ T1305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.698159][ T1305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.698161][ T1305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.698163][ T1305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.698164][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698166][ T1305]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.698167][ T1305]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   67.698169][ T1305]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   67.698171][ T1305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.698173][ T1305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.698175][ T1305]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.698178][ T1305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.698180][ T1305]  ? __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)
[   67.698183][ T1305]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   67.698184][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698186][ T1305]  _printk (kernel/printk/printk.c:2504)
[   67.698190][ T1305]  ? snapshot_read.cold (user.c:?)
[   67.698192][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698193][ T1305]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.698195][ T1305]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   67.698198][ T1305] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   67.698212][ T1305] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   67.698220][ T1305] new_nbp (net/bridge/br_if.c:449) bridge
[   67.698230][ T1305] br_add_if (net/bridge/br_if.c:592) bridge
[   67.698239][ T1305]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   67.698242][ T1305]  do_set_master (net/core/rtnetlink.c:3071)
[   67.698246][ T1305]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   67.698249][ T1305]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   67.698250][ T1305]  ? __dev_get_by_name (net/core/dev.c:905)
[   67.698252][ T1305]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   67.698256][ T1305]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   67.698259][ T1305]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   67.698261][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698263][ T1305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.698264][ T1305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.698266][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698268][ T1305]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   67.698271][ T1305]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   67.698274][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698276][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698277][ T1305]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   67.698281][ T1305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.698282][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698285][ T1305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.698286][ T1305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.698288][ T1305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.698289][ T1305]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   67.698292][ T1305]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   67.698296][ T1305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.698299][ T1305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.698301][ T1305]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.698302][ T1305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.698303][ T1305]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   67.698306][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698308][ T1305]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.698310][ T1305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.698312][ T1305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.698313][ T1305]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[   67.698317][ T1305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.698318][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698320][ T1305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.698323][ T1305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.698325][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698326][ T1305]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   67.698328][ T1305]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   67.698331][ T1305]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.698333][ T1305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   67.698334][ T1305]  ? move_addr_to_kernel (net/socket.c:258)
[   67.698336][ T1305]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   67.698339][ T1305]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   67.698342][ T1305]  ___sys_sendmsg (net/socket.c:2767)
[   67.698344][ T1305]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.698349][ T1305]  __sys_sendmsg (net/socket.c:2799)
[   67.698359][ T1305]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.698361][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698363][ T1305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.698365][ T1305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.698368][ T1305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.698370][ T1305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.698372][ T1305] RIP: 0033:0x7fa91eb5054e
[   67.698374][ T1305] 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
[   67.698376][ T1305] RSP: 002b:00007ffc69b1f040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.698379][ T1305] RAX: ffffffffffffffda RBX: 00007ffc69b1f7f8 RCX: 00007fa91eb5054e
[   67.698381][ T1305] RDX: 0000000000000000 RSI: 00007ffc69b1f0f0 RDI: 0000000000000005
[   67.698382][ T1305] RBP: 00007ffc69b1f050 R08: 0000000000000000 R09: 0000000000000000
[   67.698383][ T1305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4cf
[   67.698384][ T1305] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc69b1f7b0
| [   68.721178][ T1364] softirqs last disabled at (0): 0x0
| [   68.721180][ T1364] Preemption disabled at:
| [   68.721181][ T1364] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.721192][ T1364] Tainted: [W]=WARN
[   68.721193][ T1364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.721195][ T1364] Call Trace:
[   68.721196][ T1364]  <TASK>
[   68.721197][ T1364]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.721203][ T1364]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.721205][ T1364]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.721209][ T1364]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.721212][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721216][ T1364]  __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))
[   68.721220][ T1364]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.721222][ T1364]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.721226][ T1364]  ? 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)
[   68.721228][ T1364]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.721230][ T1364]  put_chars (drivers/char/virtio_console.c:1176)
[   68.721232][ T1364]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.721233][ T1364]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   68.721235][ T1364]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   68.721238][ T1364]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.721241][ T1364]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.721242][ T1364]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.721244][ T1364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.721246][ T1364]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.721249][ T1364]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.721251][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721252][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721254][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721256][ T1364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.721258][ T1364]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   68.721259][ T1364]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.721262][ T1364]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.721264][ T1364]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.721266][ T1364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.721268][ T1364]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.721269][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721271][ T1364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.721272][ T1364]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.721274][ T1364]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   68.721276][ T1364]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.721278][ T1364]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.721280][ T1364]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.721283][ T1364]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.721285][ T1364]  ? __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)
[   68.721288][ T1364]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.721289][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721291][ T1364]  _printk (kernel/printk/printk.c:2504)
[   68.721294][ T1364]  ? snapshot_read.cold (user.c:?)
[   68.721296][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721298][ T1364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.721300][ T1364]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   68.721302][ T1364] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   68.721315][ T1364] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   68.721323][ T1364] new_nbp (net/bridge/br_if.c:449) bridge
[   68.721333][ T1364] br_add_if (net/bridge/br_if.c:592) bridge
[   68.721340][ T1364]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   68.721343][ T1364]  do_set_master (net/core/rtnetlink.c:3071)
[   68.721347][ T1364]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   68.721349][ T1364]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   68.721350][ T1364]  ? __dev_get_by_name (net/core/dev.c:905)
[   68.721353][ T1364]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   68.721357][ T1364]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   68.721365][ T1364]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.721368][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721370][ T1364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.721371][ T1364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.721372][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721374][ T1364]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   68.721378][ T1364]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   68.721380][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721382][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721384][ T1364]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   68.721387][ T1364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.721389][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721391][ T1364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.721392][ T1364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.721394][ T1364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.721395][ T1364]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   68.721398][ T1364]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   68.721402][ T1364]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.721405][ T1364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.721406][ T1364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.721408][ T1364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.721409][ T1364]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   68.721412][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721413][ T1364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.721415][ T1364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.721417][ T1364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.721419][ T1364]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   68.721422][ T1364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.721424][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721426][ T1364]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.721428][ T1364]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.721430][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721432][ T1364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.721433][ T1364]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.721436][ T1364]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.721438][ T1364]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.721440][ T1364]  ? move_addr_to_kernel (net/socket.c:258)
[   68.721442][ T1364]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   68.721444][ T1364]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   68.721448][ T1364]  ___sys_sendmsg (net/socket.c:2767)
[   68.721450][ T1364]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.721455][ T1364]  __sys_sendmsg (net/socket.c:2799)
[   68.721457][ T1364]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.721460][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721461][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.721463][ T1364]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.721466][ T1364]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.721468][ T1364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.721470][ T1364] RIP: 0033:0x7f80d419254e
[   68.721472][ T1364] 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
[   68.721473][ T1364] RSP: 002b:00007fffcce8cf30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.721477][ T1364] RAX: ffffffffffffffda RBX: 00007fffcce8d6e8 RCX: 00007f80d419254e
[   68.721478][ T1364] RDX: 0000000000000000 RSI: 00007fffcce8cfe0 RDI: 0000000000000005
[   68.721479][ T1364] RBP: 00007fffcce8cf40 R08: 0000000000000000 R09: 0000000000000000
[   68.721480][ T1364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4d0
[   68.721481][ T1364] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcce8d6a0
| [  114.929680][T17897] softirqs last disabled at (0): 0x0
| [  114.929681][T17897] Preemption disabled at:
| [  114.929682][T17897] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.929693][T17897] Tainted: [W]=WARN
[  114.929694][T17897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.929696][T17897] Call Trace:
[  114.929697][T17897]  <TASK>
[  114.929699][T17897]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.929704][T17897]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.929706][T17897]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.929710][T17897]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.929713][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929717][T17897]  __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))
[  114.929720][T17897]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  114.929723][T17897]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.929727][T17897]  ? 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)
[  114.929728][T17897]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.929730][T17897]  put_chars (drivers/char/virtio_console.c:1176)
[  114.929733][T17897]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.929734][T17897]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  114.929737][T17897]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.929740][T17897]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.929742][T17897]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  114.929743][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929745][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.929748][T17897]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.929750][T17897]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.929752][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929754][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929756][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929757][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.929759][T17897]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  114.929761][T17897]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.929763][T17897]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.929774][T17897]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.929776][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.929778][T17897]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.929780][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929781][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.929783][T17897]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  114.929784][T17897]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  114.929786][T17897]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.929788][T17897]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.929790][T17897]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.929793][T17897]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.929795][T17897]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.929798][T17897]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  114.929801][T17897]  ? ___sys_sendmsg (net/socket.c:2767)
[  114.929803][T17897]  ? __sys_sendmsg (net/socket.c:2799)
[  114.929804][T17897]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.929807][T17897]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.929810][T17897]  _printk (kernel/printk/printk.c:2504)
[  114.929813][T17897]  ? snapshot_read.cold (user.c:?)
[  114.929815][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929817][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929818][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929820][T17897]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  114.929823][T17897]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  114.929825][T17897]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  114.929827][T17897]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  114.929829][T17897]  ? netdev_notice (net/core/dev.c:13194)
[  114.929830][T17897]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  114.929834][T17897]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  114.929835][T17897]  ? trace_contention_end (./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/lock.h:121)
[  114.929837][T17897]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  114.929841][T17897]  dev_set_allmulti (net/core/dev_api.c:315)
[  114.929843][T17897] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  114.929856][T17897]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  114.929859][T17897] br_dev_delete (net/bridge/br_if.c:387) bridge
[  114.929866][T17897]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  114.929870][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.929871][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929873][T17897]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.929875][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929882][T17897]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  114.929884][T17897]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.929886][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929888][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929889][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.929891][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929893][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.929894][T17897]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  114.929898][T17897]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  114.929900][T17897]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  114.929902][T17897]  ? __kernel_text_address (kernel/extable.c:79)
[  114.929903][T17897]  ? write_profile (profile.c:?)
[  114.929905][T17897]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  114.929907][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929909][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929910][T17897]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  114.929914][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.929916][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929917][T17897]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.929920][T17897]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.929923][T17897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.929925][T17897]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  114.929927][T17897]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  114.929933][T17897]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.929934][T17897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.929936][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.929937][T17897]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.929939][T17897]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  114.929941][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929943][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.929945][T17897]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.929947][T17897]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.929949][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929950][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929952][T17897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.929954][T17897]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.929956][T17897]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.929958][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929960][T17897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.929962][T17897]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  114.929963][T17897]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.929965][T17897]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  114.929967][T17897]  ? move_addr_to_kernel (net/socket.c:258)
[  114.929968][T17897]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  114.929971][T17897]  ___sys_sendmsg (net/socket.c:2767)
[  114.929973][T17897]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.929978][T17897]  __sys_sendmsg (net/socket.c:2799)
[  114.929980][T17897]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.929983][T17897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.929985][T17897]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.929986][T17897]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.929988][T17897]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.929990][T17897] RIP: 0033:0x7f20dc22e54e
[  114.929992][T17897] 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
[  114.929994][T17897] RSP: 002b:00007ffc5c1cf150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.929997][T17897] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f20dc22e54e
[  114.929999][T17897] RDX: 0000000000000000 RSI: 00007ffc5c1cf200 RDI: 0000000000000005
[  114.930000][T17897] RBP: 00007ffc5c1cf160 R08: 0000000000000000 R09: 0000000000000000
[  114.930001][T17897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d4fe
[  114.930002][T17897] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5c1cf8c0
| [  116.602585][T17934] softirqs last disabled at (0): 0x0
| [  116.602587][T17934] Preemption disabled at:
| [  116.602588][T17934] vprintk_emit (kernel/printk/printk.c:2471)
| [  116.602599][T17934] Tainted: [W]=WARN
[  116.602600][T17934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.602602][T17934] Call Trace:
[  116.602603][T17934]  <TASK>
[  116.602604][T17934]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  116.602610][T17934]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  116.602612][T17934]  __might_resched.cold (kernel/sched/core.c:9234)
[  116.602616][T17934]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  116.602619][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602623][T17934]  __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))
[  116.602627][T17934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.602630][T17934]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.602634][T17934]  ? 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)
[  116.602635][T17934]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.602637][T17934]  put_chars (drivers/char/virtio_console.c:1176)
[  116.602639][T17934]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  116.602641][T17934]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  116.602644][T17934]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  116.602647][T17934]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  116.602648][T17934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.602650][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602652][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.602654][T17934]  console_emit_next_record (kernel/printk/printk.c:3183)
[  116.602657][T17934]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  116.602659][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602660][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602662][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602664][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.602666][T17934]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  116.602667][T17934]  console_flush_one_record (kernel/printk/printk.c:3268)
[  116.602670][T17934]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  116.602673][T17934]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  116.602674][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.602676][T17934]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  116.602678][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602679][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.602681][T17934]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  116.602682][T17934]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  116.602685][T17934]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  116.602687][T17934]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  116.602689][T17934]  vprintk_emit (kernel/printk/printk.c:2479)
[  116.602691][T17934]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  116.602693][T17934]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.602696][T17934]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  116.602699][T17934]  ? ___sys_sendmsg (net/socket.c:2767)
[  116.602701][T17934]  ? __sys_sendmsg (net/socket.c:2799)
[  116.602702][T17934]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.602705][T17934]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.602708][T17934]  _printk (kernel/printk/printk.c:2504)
[  116.602711][T17934]  ? snapshot_read.cold (user.c:?)
[  116.602713][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602715][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602716][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602718][T17934]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  116.602721][T17934]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  116.602723][T17934]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  116.602725][T17934]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  116.602727][T17934]  ? netdev_notice (net/core/dev.c:13194)
[  116.602728][T17934]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  116.602732][T17934]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  116.602733][T17934]  ? trace_contention_end (./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/lock.h:121)
[  116.602735][T17934]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  116.602738][T17934]  dev_set_allmulti (net/core/dev_api.c:315)
[  116.602741][T17934] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  116.602753][T17934]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  116.602756][T17934] br_dev_delete (net/bridge/br_if.c:387) bridge
[  116.602764][T17934]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  116.602767][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.602769][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602771][T17934]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  116.602773][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602779][T17934]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  116.602790][T17934]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.602792][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602794][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602795][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.602797][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602799][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.602800][T17934]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  116.602804][T17934]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  116.602805][T17934]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  116.602808][T17934]  ? __kernel_text_address (kernel/extable.c:79)
[  116.602809][T17934]  ? write_profile (profile.c:?)
[  116.602811][T17934]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  116.602813][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602814][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602816][T17934]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  116.602820][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.602821][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602823][T17934]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  116.602825][T17934]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  116.602827][T17934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.602829][T17934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  116.602830][T17934]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  116.602834][T17934]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  116.602836][T17934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.602837][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.602839][T17934]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  116.602840][T17934]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  116.602843][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602844][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.602846][T17934]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.602848][T17934]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  116.602850][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602852][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602854][T17934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.602855][T17934]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  116.602858][T17934]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  116.602859][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602861][T17934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.602863][T17934]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  116.602865][T17934]  ? copy_msghdr_from_user (net/socket.c:2650)
[  116.602867][T17934]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  116.602868][T17934]  ? move_addr_to_kernel (net/socket.c:258)
[  116.602870][T17934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  116.602872][T17934]  ___sys_sendmsg (net/socket.c:2767)
[  116.602874][T17934]  ? copy_msghdr_from_user (net/socket.c:2619)
[  116.602879][T17934]  __sys_sendmsg (net/socket.c:2799)
[  116.602881][T17934]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  116.602884][T17934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.602886][T17934]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.602888][T17934]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  116.602890][T17934]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.602891][T17934] RIP: 0033:0x7f894d86054e
[  116.602893][T17934] 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
[  116.602895][T17934] RSP: 002b:00007ffd6bb8ee00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  116.602899][T17934] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f894d86054e
[  116.602900][T17934] RDX: 0000000000000000 RSI: 00007ffd6bb8eeb0 RDI: 0000000000000005
[  116.602901][T17934] RBP: 00007ffd6bb8ee10 R08: 0000000000000000 R09: 0000000000000000
[  116.602902][T17934] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d500
[  116.602903][T17934] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6bb8f570
| [  118.347321][T17974] softirqs last disabled at (0): 0x0
| [  118.347323][T17974] Preemption disabled at:
| [  118.347323][T17974] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.347335][T17974] Tainted: [W]=WARN
[  118.347336][T17974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.347338][T17974] Call Trace:
[  118.347339][T17974]  <TASK>
[  118.347341][T17974]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.347347][T17974]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.347349][T17974]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.347353][T17974]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.347357][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347361][T17974]  __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))
[  118.347365][T17974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.347368][T17974]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.347372][T17974]  ? 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)
[  118.347373][T17974]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.347375][T17974]  put_chars (drivers/char/virtio_console.c:1176)
[  118.347377][T17974]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.347379][T17974]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  118.347381][T17974]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  118.347384][T17974]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.347387][T17974]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.347388][T17974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.347390][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.347393][T17974]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.347395][T17974]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.347398][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347400][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347401][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347403][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.347405][T17974]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  118.347408][T17974]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.347410][T17974]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.347413][T17974]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.347415][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.347417][T17974]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.347418][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347420][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.347422][T17974]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  118.347423][T17974]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  118.347426][T17974]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.347428][T17974]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.347430][T17974]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.347433][T17974]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.347435][T17974]  ? __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)
[  118.347438][T17974]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  118.347440][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347442][T17974]  _printk (kernel/printk/printk.c:2504)
[  118.347445][T17974]  ? snapshot_read.cold (user.c:?)
[  118.347447][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347449][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.347451][T17974]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  118.347454][T17974] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  118.347467][T17974] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  118.347476][T17974] new_nbp (net/bridge/br_if.c:449) bridge
[  118.347485][T17974] br_add_if (net/bridge/br_if.c:592) bridge
[  118.347493][T17974]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  118.347496][T17974]  do_set_master (net/core/rtnetlink.c:3071)
[  118.347500][T17974]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  118.347503][T17974]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  118.347504][T17974]  ? __dev_get_by_name (net/core/dev.c:905)
[  118.347507][T17974]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  118.347511][T17974]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  118.347513][T17974]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  118.347516][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347518][T17974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.347519][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.347520][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347523][T17974]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  118.347526][T17974]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  118.347529][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347531][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347532][T17974]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  118.347536][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.347538][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347540][T17974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.347541][T17974]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.347543][T17974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.347545][T17974]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.347548][T17974]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.347552][T17974]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.347555][T17974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.347557][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.347558][T17974]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.347560][T17974]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  118.347562][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347565][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.347567][T17974]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.347569][T17974]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.347570][T17974]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  118.347574][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.347575][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347578][T17974]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.347580][T17974]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.347582][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347584][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.347586][T17974]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.347589][T17974]  ? copy_msghdr_from_user (net/socket.c:2650)
[  118.347591][T17974]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  118.347593][T17974]  ? move_addr_to_kernel (net/socket.c:258)
[  118.347595][T17974]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  118.347598][T17974]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  118.347602][T17974]  ___sys_sendmsg (net/socket.c:2767)
[  118.347604][T17974]  ? copy_msghdr_from_user (net/socket.c:2619)
[  118.347609][T17974]  __sys_sendmsg (net/socket.c:2799)
[  118.347611][T17974]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  118.347614][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347616][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.347618][T17974]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.347621][T17974]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.347623][T17974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.347625][T17974] RIP: 0033:0x7f54c261954e
[  118.347627][T17974] 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
[  118.347629][T17974] RSP: 002b:00007ffd62bfae70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  118.347633][T17974] RAX: ffffffffffffffda RBX: 00007ffd62bfb628 RCX: 00007f54c261954e
[  118.347635][T17974] RDX: 0000000000000000 RSI: 00007ffd62bfaf20 RDI: 0000000000000005
[  118.347636][T17974] RBP: 00007ffd62bfae80 R08: 0000000000000000 R09: 0000000000000000
[  118.347637][T17974] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d501
[  118.347638][T17974] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd62bfb5e0
| [  119.369511][T18037] softirqs last disabled at (0): 0x0
| [  119.369513][T18037] Preemption disabled at:
| [  119.369513][T18037] vprintk_emit (kernel/printk/printk.c:2471)
| [  119.369525][T18037] Tainted: [W]=WARN
[  119.369526][T18037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.369527][T18037] Call Trace:
[  119.369529][T18037]  <TASK>
[  119.369530][T18037]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  119.369536][T18037]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  119.369538][T18037]  __might_resched.cold (kernel/sched/core.c:9234)
[  119.369542][T18037]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  119.369545][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369549][T18037]  __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))
[  119.369553][T18037]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.369556][T18037]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.369560][T18037]  ? 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)
[  119.369562][T18037]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.369563][T18037]  put_chars (drivers/char/virtio_console.c:1176)
[  119.369565][T18037]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  119.369567][T18037]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  119.369569][T18037]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  119.369571][T18037]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  119.369575][T18037]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  119.369576][T18037]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.369578][T18037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.369580][T18037]  console_emit_next_record (kernel/printk/printk.c:3183)
[  119.369582][T18037]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  119.369584][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369586][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369588][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369589][T18037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.369591][T18037]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  119.369593][T18037]  console_flush_one_record (kernel/printk/printk.c:3268)
[  119.369595][T18037]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  119.369598][T18037]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  119.369600][T18037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.369602][T18037]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  119.369603][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369605][T18037]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.369607][T18037]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  119.369608][T18037]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  119.369610][T18037]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  119.369612][T18037]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  119.369615][T18037]  vprintk_emit (kernel/printk/printk.c:2479)
[  119.369617][T18037]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  119.369619][T18037]  ? __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)
[  119.369622][T18037]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  119.369623][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369625][T18037]  _printk (kernel/printk/printk.c:2504)
[  119.369628][T18037]  ? snapshot_read.cold (user.c:?)
[  119.369630][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369632][T18037]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.369634][T18037]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  119.369636][T18037] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  119.369649][T18037] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  119.369657][T18037] new_nbp (net/bridge/br_if.c:449) bridge
[  119.369665][T18037] br_add_if (net/bridge/br_if.c:592) bridge
[  119.369673][T18037]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  119.369675][T18037]  do_set_master (net/core/rtnetlink.c:3071)
[  119.369680][T18037]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  119.369682][T18037]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  119.369683][T18037]  ? __dev_get_by_name (net/core/dev.c:905)
[  119.369686][T18037]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  119.369690][T18037]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  119.369692][T18037]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  119.369694][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369696][T18037]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  119.369698][T18037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.369699][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369701][T18037]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  119.369705][T18037]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  119.369707][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369709][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369710][T18037]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  119.369714][T18037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.369716][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369718][T18037]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  119.369719][T18037]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  119.369721][T18037]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.369722][T18037]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.369725][T18037]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  119.369729][T18037]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  119.369732][T18037]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.369733][T18037]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.369734][T18037]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  119.369736][T18037]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  119.369739][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369740][T18037]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.369742][T18037]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.369744][T18037]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  119.369746][T18037]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  119.369749][T18037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.369751][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369753][T18037]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  119.369755][T18037]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  119.369757][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369758][T18037]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.369760][T18037]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  119.369763][T18037]  ? copy_msghdr_from_user (net/socket.c:2650)
[  119.369765][T18037]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  119.369767][T18037]  ? move_addr_to_kernel (net/socket.c:258)
[  119.369769][T18037]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  119.369772][T18037]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  119.369775][T18037]  ___sys_sendmsg (net/socket.c:2767)
[  119.369777][T18037]  ? copy_msghdr_from_user (net/socket.c:2619)
[  119.369782][T18037]  __sys_sendmsg (net/socket.c:2799)
[  119.369784][T18037]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  119.369787][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369789][T18037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.369791][T18037]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.369793][T18037]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  119.369795][T18037]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.369797][T18037] RIP: 0033:0x7f5102d7954e
[  119.369799][T18037] 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
[  119.369801][T18037] RSP: 002b:00007ffe5bedcd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  119.369813][T18037] RAX: ffffffffffffffda RBX: 00007ffe5bedd528 RCX: 00007f5102d7954e
[  119.369814][T18037] RDX: 0000000000000000 RSI: 00007ffe5bedce20 RDI: 0000000000000005
[  119.369815][T18037] RBP: 00007ffe5bedcd80 R08: 0000000000000000 R09: 0000000000000000
[  119.369816][T18037] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d502
[  119.369817][T18037] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5bedd4e0
| [  120.384553][T18102] softirqs last disabled at (0): 0x0
| [  120.384554][T18102] Preemption disabled at:
| [  120.384555][T18102] vprintk_emit (kernel/printk/printk.c:2471)
| [  120.384566][T18102] Tainted: [W]=WARN
[  120.384567][T18102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  120.384568][T18102] Call Trace:
[  120.384570][T18102]  <TASK>
[  120.384571][T18102]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  120.384577][T18102]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  120.384579][T18102]  __might_resched.cold (kernel/sched/core.c:9234)
[  120.384583][T18102]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  120.384586][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384590][T18102]  __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))
[  120.384593][T18102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.384596][T18102]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.384600][T18102]  ? 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)
[  120.384601][T18102]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.384603][T18102]  put_chars (drivers/char/virtio_console.c:1176)
[  120.384605][T18102]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  120.384606][T18102]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  120.384608][T18102]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  120.384611][T18102]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  120.384614][T18102]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  120.384615][T18102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.384617][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.384619][T18102]  console_emit_next_record (kernel/printk/printk.c:3183)
[  120.384622][T18102]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  120.384624][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384625][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384627][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384629][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.384631][T18102]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  120.384632][T18102]  console_flush_one_record (kernel/printk/printk.c:3268)
[  120.384635][T18102]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  120.384638][T18102]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  120.384640][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.384641][T18102]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  120.384643][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384645][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.384646][T18102]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  120.384647][T18102]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  120.384650][T18102]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  120.384652][T18102]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  120.384654][T18102]  vprintk_emit (kernel/printk/printk.c:2479)
[  120.384656][T18102]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  120.384658][T18102]  ? __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)
[  120.384662][T18102]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  120.384663][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384665][T18102]  _printk (kernel/printk/printk.c:2504)
[  120.384668][T18102]  ? snapshot_read.cold (user.c:?)
[  120.384670][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384672][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.384674][T18102]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  120.384676][T18102] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  120.384689][T18102] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  120.384697][T18102] new_nbp (net/bridge/br_if.c:449) bridge
[  120.384706][T18102] br_add_if (net/bridge/br_if.c:592) bridge
[  120.384713][T18102]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  120.384716][T18102]  do_set_master (net/core/rtnetlink.c:3071)
[  120.384721][T18102]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  120.384723][T18102]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  120.384724][T18102]  ? __dev_get_by_name (net/core/dev.c:905)
[  120.384726][T18102]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  120.384730][T18102]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  120.384733][T18102]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  120.384735][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384737][T18102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  120.384738][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.384740][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384742][T18102]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  120.384745][T18102]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  120.384748][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384749][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384751][T18102]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  120.384755][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.384756][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384758][T18102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  120.384760][T18102]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  120.384761][T18102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  120.384763][T18102]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  120.384766][T18102]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  120.384770][T18102]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  120.384772][T18102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  120.384774][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.384775][T18102]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  120.384777][T18102]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  120.384779][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384781][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.384783][T18102]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.384785][T18102]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  120.384787][T18102]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  120.384790][T18102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.384791][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384794][T18102]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  120.384796][T18102]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  120.384797][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384799][T18102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.384801][T18102]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  120.384804][T18102]  ? copy_msghdr_from_user (net/socket.c:2650)
[  120.384806][T18102]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  120.384807][T18102]  ? move_addr_to_kernel (net/socket.c:258)
[  120.384810][T18102]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  120.384813][T18102]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  120.384825][T18102]  ___sys_sendmsg (net/socket.c:2767)
[  120.384827][T18102]  ? copy_msghdr_from_user (net/socket.c:2619)
[  120.384832][T18102]  __sys_sendmsg (net/socket.c:2799)
[  120.384835][T18102]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  120.384837][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384839][T18102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.384841][T18102]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.384843][T18102]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  120.384846][T18102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.384848][T18102] RIP: 0033:0x7f4aca76754e
[  120.384850][T18102] 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
[  120.384852][T18102] RSP: 002b:00007ffd84ae8e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  120.384856][T18102] RAX: ffffffffffffffda RBX: 00007ffd84ae9608 RCX: 00007f4aca76754e
[  120.384857][T18102] RDX: 0000000000000000 RSI: 00007ffd84ae8f00 RDI: 0000000000000005
[  120.384858][T18102] RBP: 00007ffd84ae8e60 R08: 0000000000000000 R09: 0000000000000000
[  120.384859][T18102] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d503
[  120.384860][T18102] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd84ae95c0
| [  172.393054][ T2169] softirqs last disabled at (0): 0x0
| [  172.393056][ T2169] Preemption disabled at:
| [  172.393057][ T2169] vprintk_emit (kernel/printk/printk.c:2471)
| [  172.393070][ T2169] Tainted: [W]=WARN
[  172.393071][ T2169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  172.393073][ T2169] Call Trace:
[  172.393075][ T2169]  <TASK>
[  172.393076][ T2169]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  172.393082][ T2169]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  172.393085][ T2169]  __might_resched.cold (kernel/sched/core.c:9234)
[  172.393088][ T2169]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  172.393092][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393096][ T2169]  __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))
[  172.393100][ T2169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.393103][ T2169]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.393106][ T2169]  ? 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)
[  172.393108][ T2169]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.393110][ T2169]  put_chars (drivers/char/virtio_console.c:1176)
[  172.393112][ T2169]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  172.393114][ T2169]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  172.393117][ T2169]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  172.393120][ T2169]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  172.393122][ T2169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.393123][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393125][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.393128][ T2169]  console_emit_next_record (kernel/printk/printk.c:3183)
[  172.393131][ T2169]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  172.393133][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393135][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393136][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393138][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.393140][ T2169]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  172.393142][ T2169]  console_flush_one_record (kernel/printk/printk.c:3268)
[  172.393145][ T2169]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  172.393147][ T2169]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  172.393149][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.393151][ T2169]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  172.393153][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393154][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.393156][ T2169]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  172.393157][ T2169]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  172.393160][ T2169]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  172.393162][ T2169]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  172.393164][ T2169]  vprintk_emit (kernel/printk/printk.c:2479)
[  172.393167][ T2169]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  172.393169][ T2169]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.393172][ T2169]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  172.393175][ T2169]  ? ___sys_sendmsg (net/socket.c:2767)
[  172.393177][ T2169]  ? __sys_sendmsg (net/socket.c:2799)
[  172.393179][ T2169]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.393181][ T2169]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.393184][ T2169]  _printk (kernel/printk/printk.c:2504)
[  172.393188][ T2169]  ? snapshot_read.cold (user.c:?)
[  172.393190][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393192][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393193][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393195][ T2169]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  172.393199][ T2169]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  172.393201][ T2169]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  172.393203][ T2169]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  172.393205][ T2169]  ? netdev_notice (net/core/dev.c:13194)
[  172.393207][ T2169]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  172.393210][ T2169]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  172.393212][ T2169]  ? trace_contention_end (./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/lock.h:121)
[  172.393214][ T2169]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  172.393217][ T2169]  dev_set_allmulti (net/core/dev_api.c:315)
[  172.393220][ T2169] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  172.393233][ T2169]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  172.393236][ T2169] br_dev_delete (net/bridge/br_if.c:387) bridge
[  172.393244][ T2169]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  172.393247][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.393249][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393251][ T2169]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  172.393253][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393260][ T2169]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  172.393262][ T2169]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.393264][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393266][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393268][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.393269][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393271][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.393280][ T2169]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  172.393284][ T2169]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  172.393286][ T2169]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  172.393288][ T2169]  ? __kernel_text_address (kernel/extable.c:79)
[  172.393290][ T2169]  ? write_profile (profile.c:?)
[  172.393292][ T2169]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  172.393293][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393295][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393297][ T2169]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  172.393301][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.393302][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393304][ T2169]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  172.393307][ T2169]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  172.393309][ T2169]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.393310][ T2169]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  172.393312][ T2169]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  172.393316][ T2169]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  172.393318][ T2169]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.393319][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.393321][ T2169]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  172.393322][ T2169]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  172.393325][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393327][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.393329][ T2169]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.393331][ T2169]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  172.393333][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393334][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393336][ T2169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.393338][ T2169]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  172.393340][ T2169]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  172.393342][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393344][ T2169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.393346][ T2169]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  172.393348][ T2169]  ? copy_msghdr_from_user (net/socket.c:2650)
[  172.393350][ T2169]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  172.393352][ T2169]  ? move_addr_to_kernel (net/socket.c:258)
[  172.393353][ T2169]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  172.393356][ T2169]  ___sys_sendmsg (net/socket.c:2767)
[  172.393358][ T2169]  ? copy_msghdr_from_user (net/socket.c:2619)
[  172.393363][ T2169]  __sys_sendmsg (net/socket.c:2799)
[  172.393365][ T2169]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  172.393368][ T2169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.393370][ T2169]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.393371][ T2169]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  172.393374][ T2169]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.393375][ T2169] RIP: 0033:0x7f60e85ab54e
[  172.393377][ T2169] 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
[  172.393380][ T2169] RSP: 002b:00007fffe85fc670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  172.393383][ T2169] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f60e85ab54e
[  172.393385][ T2169] RDX: 0000000000000000 RSI: 00007fffe85fc720 RDI: 0000000000000005
[  172.393386][ T2169] RBP: 00007fffe85fc680 R08: 0000000000000000 R09: 0000000000000000
[  172.393387][ T2169] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d537
[  172.393388][ T2169] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe85fcde0
| [  174.348528][ T2206] softirqs last disabled at (0): 0x0
| [  174.348530][ T2206] Preemption disabled at:
| [  174.348531][ T2206] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.348545][ T2206] Tainted: [W]=WARN
[  174.348547][ T2206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.348549][ T2206] Call Trace:
[  174.348551][ T2206]  <TASK>
[  174.348553][ T2206]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.348559][ T2206]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.348562][ T2206]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.348567][ T2206]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.348571][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348576][ T2206]  __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))
[  174.348580][ T2206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.348584][ T2206]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.348588][ T2206]  ? 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)
[  174.348591][ T2206]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.348594][ T2206]  put_chars (drivers/char/virtio_console.c:1176)
[  174.348597][ T2206]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.348599][ T2206]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  174.348603][ T2206]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.348608][ T2206]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.348611][ T2206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.348613][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348616][ T2206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.348619][ T2206]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.348623][ T2206]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.348626][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348628][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348631][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348633][ T2206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.348636][ T2206]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  174.348638][ T2206]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.348642][ T2206]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.348646][ T2206]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.348649][ T2206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.348651][ T2206]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.348654][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348656][ T2206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.348658][ T2206]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  174.348660][ T2206]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  174.348664][ T2206]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.348666][ T2206]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.348669][ T2206]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.348672][ T2206]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.348675][ T2206]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.348679][ T2206]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  174.348683][ T2206]  ? ___sys_sendmsg (net/socket.c:2767)
[  174.348685][ T2206]  ? __sys_sendmsg (net/socket.c:2799)
[  174.348687][ T2206]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.348690][ T2206]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.348694][ T2206]  _printk (kernel/printk/printk.c:2504)
[  174.348699][ T2206]  ? snapshot_read.cold (user.c:?)
[  174.348701][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348704][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348706][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348709][ T2206]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  174.348713][ T2206]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  174.348716][ T2206]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  174.348719][ T2206]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  174.348722][ T2206]  ? netdev_notice (net/core/dev.c:13194)
[  174.348724][ T2206]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  174.348728][ T2206]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  174.348731][ T2206]  ? trace_contention_end (./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/lock.h:121)
[  174.348733][ T2206]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  174.348737][ T2206]  dev_set_allmulti (net/core/dev_api.c:315)
[  174.348741][ T2206] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  174.348758][ T2206]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  174.348762][ T2206] br_dev_delete (net/bridge/br_if.c:387) bridge
[  174.348774][ T2206]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  174.348778][ T2206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.348781][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348783][ T2206]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.348787][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348797][ T2206]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  174.348801][ T2206]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.348803][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348806][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348808][ T2206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.348810][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348813][ T2206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.348815][ T2206]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  174.348820][ T2206]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  174.348822][ T2206]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.348826][ T2206]  ? __kernel_text_address (kernel/extable.c:79)
[  174.348828][ T2206]  ? write_profile (profile.c:?)
[  174.348831][ T2206]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  174.348833][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348835][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348838][ T2206]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  174.348842][ T2206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.348844][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348847][ T2206]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.348850][ T2206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.348853][ T2206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.348855][ T2206]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.348858][ T2206]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  174.348863][ T2206]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.348865][ T2206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.348868][ T2206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.348870][ T2206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.348872][ T2206]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  174.348876][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348879][ T2206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.348882][ T2206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.348885][ T2206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.348887][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348889][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348892][ T2206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.348895][ T2206]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.348898][ T2206]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.348901][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348903][ T2206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.348906][ T2206]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  174.348909][ T2206]  ? copy_msghdr_from_user (net/socket.c:2650)
[  174.348911][ T2206]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  174.348913][ T2206]  ? move_addr_to_kernel (net/socket.c:258)
[  174.348915][ T2206]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.348920][ T2206]  ___sys_sendmsg (net/socket.c:2767)
[  174.348922][ T2206]  ? copy_msghdr_from_user (net/socket.c:2619)
[  174.348931][ T2206]  __sys_sendmsg (net/socket.c:2799)
[  174.348933][ T2206]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  174.348938][ T2206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.348941][ T2206]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.348943][ T2206]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.348946][ T2206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.348949][ T2206] RIP: 0033:0x7f293bbf954e
[  174.348951][ T2206] 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
[  174.348954][ T2206] RSP: 002b:00007ffc22ac3e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  174.348958][ T2206] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f293bbf954e
[  174.348960][ T2206] RDX: 0000000000000000 RSI: 00007ffc22ac3f20 RDI: 0000000000000005
[  174.348962][ T2206] RBP: 00007ffc22ac3e80 R08: 0000000000000000 R09: 0000000000000000
[  174.348963][ T2206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d539
[  174.348964][ T2206] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc22ac45e0
| [  188.145256][ T2340] softirqs last disabled at (0): 0x0
| [  188.145258][ T2340] Preemption disabled at:
| [  188.145258][ T2340] vprintk_emit (kernel/printk/printk.c:2471)
| [  188.145270][ T2340] Tainted: [W]=WARN
[  188.145271][ T2340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.145272][ T2340] Call Trace:
[  188.145274][ T2340]  <TASK>
[  188.145275][ T2340]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  188.145280][ T2340]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  188.145282][ T2340]  __might_resched.cold (kernel/sched/core.c:9234)
[  188.145286][ T2340]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  188.145290][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145294][ T2340]  __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))
[  188.145299][ T2340]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.145301][ T2340]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.145305][ T2340]  ? 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)
[  188.145307][ T2340]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.145309][ T2340]  put_chars (drivers/char/virtio_console.c:1176)
[  188.145311][ T2340]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  188.145313][ T2340]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  188.145315][ T2340]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  188.145317][ T2340]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  188.145321][ T2340]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  188.145322][ T2340]  ? 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)
[  188.145324][ T2340]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.145326][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145328][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145329][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.145332][ T2340]  console_emit_next_record (kernel/printk/printk.c:3183)
[  188.145334][ T2340]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  188.145336][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145338][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145340][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145342][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.145344][ T2340]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  188.145346][ T2340]  console_flush_one_record (kernel/printk/printk.c:3268)
[  188.145348][ T2340]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  188.145351][ T2340]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  188.145353][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.145354][ T2340]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  188.145356][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145358][ T2340]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.145359][ T2340]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  188.145361][ T2340]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  188.145363][ T2340]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  188.145365][ T2340]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  188.145367][ T2340]  vprintk_emit (kernel/printk/printk.c:2479)
[  188.145370][ T2340]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  188.145373][ T2340]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  188.145375][ T2340]  _printk (kernel/printk/printk.c:2504)
[  188.145379][ T2340]  ? snapshot_read.cold (user.c:?)
[  188.145382][ T2340]  ? 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)
[  188.145384][ T2340] gact_init_module (net/sched/act_gact.c:180) act_gact
[  188.145386][ T2340]  do_one_initcall (init/main.c:1357)
[  188.145388][ T2340]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  188.145391][ T2340]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  188.145394][ T2340]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  188.145397][ T2340]  do_init_module (kernel/module/main.c:3117)
[  188.145399][ T2340]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  188.145401][ T2340]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  188.145404][ T2340]  load_module (kernel/module/main.c:3593)
[  188.145407][ T2340]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  188.145410][ T2340]  ? __ia32_sys_fsconfig (??:?)
[  188.145419][ T2340]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  188.145423][ T2340]  ? backing_file_read_iter (fs/backing-file.c:211)
[  188.145426][ T2340]  init_module_from_file (kernel/module/main.c:3790)
[  188.145428][ T2340]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  188.145431][ T2340]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  188.145433][ T2340]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.145435][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145437][ T2340]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.145439][ T2340]  ? 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)
[  188.145441][ T2340]  idempotent_init_module (kernel/module/main.c:3802)
[  188.145443][ T2340]  ? init_module_from_file (kernel/module/main.c:3791)
[  188.145446][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.145448][ T2340]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  188.145452][ T2340]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  188.145454][ T2340]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  188.145457][ T2340]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  188.145460][ T2340]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  188.145463][ T2340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.145465][ T2340] RIP: 0033:0x7fbe2926137d
[  188.145467][ T2340] 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
[  188.145469][ T2340] RSP: 002b:00007ffc26affc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  188.145473][ T2340] RAX: ffffffffffffffda RBX: 0000563ef08b1810 RCX: 00007fbe2926137d
[  188.145474][ T2340] RDX: 0000000000000000 RSI: 0000563ef04fcffd RDI: 0000000000000000
[  188.145475][ T2340] RBP: 00007ffc26affce0 R08: 0000000000000000 R09: 0000000000000000
[  188.145476][ T2340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563ef04fcffd
[  188.145477][ T2340] R13: 0000563ef08b1960 R14: 0000000000040000 R15: 0000000000000000
| [  204.259626][ T2967] softirqs last disabled at (0): 0x0
| [  204.259628][ T2967] Preemption disabled at:
| [  204.259629][ T2967] 0x0
| [  204.259639][ T2967] Tainted: [W]=WARN
[  204.259639][ T2967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  204.259641][ T2967] Call Trace:
[  204.259643][ T2967]  <TASK>
[  204.259644][ T2967]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  204.259650][ T2967]  __might_resched.cold (kernel/sched/core.c:9234)
[  204.259654][ T2967]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  204.259657][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259661][ T2967]  __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))
[  204.259665][ T2967]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  204.259668][ T2967]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  204.259672][ T2967]  ? 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)
[  204.259674][ T2967]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  204.259676][ T2967]  put_chars (drivers/char/virtio_console.c:1176)
[  204.259679][ T2967]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  204.259680][ T2967]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  204.259684][ T2967]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  204.259688][ T2967]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  204.259690][ T2967]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  204.259691][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259694][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.259696][ T2967]  console_emit_next_record (kernel/printk/printk.c:3183)
[  204.259699][ T2967]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  204.259701][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259703][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259704][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259706][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.259708][ T2967]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  204.259710][ T2967]  console_flush_one_record (kernel/printk/printk.c:3268)
[  204.259713][ T2967]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  204.259715][ T2967]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  204.259717][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.259719][ T2967]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  204.259721][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259722][ T2967]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  204.259724][ T2967]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  204.259725][ T2967]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  204.259728][ T2967]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  204.259730][ T2967]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  204.259732][ T2967]  vprintk_emit (kernel/printk/printk.c:2479)
[  204.259734][ T2967]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  204.259736][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259738][ T2967]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  204.259741][ T2967]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  204.259743][ T2967]  _printk (kernel/printk/printk.c:2504)
[  204.259746][ T2967]  ? snapshot_read.cold (user.c:?)
[  204.259748][ T2967]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  204.259753][ T2967] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  204.259766][ T2967] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  204.259775][ T2967] br_device_event (net/bridge/br.c:111) bridge
[  204.259784][ T2967]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  204.259788][ T2967]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  204.259790][ T2967]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  204.259794][ T2967]  notifier_call_chain (kernel/notifier.c:85)
[  204.259797][ T2967]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  204.259801][ T2967]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  204.259802][ T2967]  ? netif_change_name (net/core/dev.c:1517)
[  204.259805][ T2967]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  204.259807][ T2967]  ? __kernel_text_address (kernel/extable.c:79)
[  204.259809][ T2967]  ? write_profile (profile.c:?)
[  204.259811][ T2967]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  204.259814][ T2967]  netif_change_flags (net/core/dev.c:9882)
[  204.259817][ T2967]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  204.259820][ T2967]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  204.259821][ T2967]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  204.259822][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259824][ T2967]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  204.259828][ T2967]  ? kasan_save_stack (mm/kasan/common.c:58)
[  204.259831][ T2967]  ? kasan_save_stack (mm/kasan/common.c:57)
[  204.259832][ T2967]  ? kasan_save_track (mm/kasan/common.c:78)
[  204.259834][ T2967]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  204.259835][ T2967]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  204.259837][ T2967]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  204.259838][ T2967]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  204.259840][ T2967]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  204.259842][ T2967]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  204.259844][ T2967]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  204.259845][ T2967]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  204.259847][ T2967]  ? ___sys_sendmsg (net/socket.c:2767)
[  204.259849][ T2967]  ? __sys_sendmsg (net/socket.c:2799)
[  204.259851][ T2967]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  204.259853][ T2967]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  204.259856][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259858][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.259859][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259861][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259862][ T2967]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  204.259866][ T2967]  ? __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)
[  204.259868][ T2967]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  204.259869][ T2967]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  204.259871][ T2967]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  204.259873][ T2967]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  204.259875][ T2967]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  204.259877][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259879][ T2967]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  204.259880][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.259882][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259884][ T2967]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  204.259887][ T2967]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  204.259889][ T2967]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  204.259890][ T2967]  ? __kernel_text_address (kernel/extable.c:79)
[  204.259892][ T2967]  ? write_profile (profile.c:?)
[  204.259893][ T2967]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  204.259894][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259896][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259898][ T2967]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  204.259902][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.259903][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259905][ T2967]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  204.259907][ T2967]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  204.259908][ T2967]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  204.259910][ T2967]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  204.259911][ T2967]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  204.259914][ T2967]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  204.259915][ T2967]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  204.259917][ T2967]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  204.259918][ T2967]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  204.259920][ T2967]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  204.259924][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259927][ T2967]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  204.259930][ T2967]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  204.259932][ T2967]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  204.259934][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259936][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259937][ T2967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.259939][ T2967]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  204.259941][ T2967]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  204.259943][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259945][ T2967]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  204.259947][ T2967]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  204.259949][ T2967]  ? copy_msghdr_from_user (net/socket.c:2650)
[  204.259951][ T2967]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  204.259952][ T2967]  ? move_addr_to_kernel (net/socket.c:258)
[  204.259954][ T2967]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  204.259957][ T2967]  ___sys_sendmsg (net/socket.c:2767)
[  204.259959][ T2967]  ? copy_msghdr_from_user (net/socket.c:2619)
[  204.259964][ T2967]  __sys_sendmsg (net/socket.c:2799)
[  204.259966][ T2967]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  204.259969][ T2967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.259971][ T2967]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  204.259972][ T2967]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  204.259975][ T2967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  204.259976][ T2967] RIP: 0033:0x7f4674bc254e
[  204.259978][ T2967] 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
[  204.259980][ T2967] RSP: 002b:00007ffcd674cfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  204.259984][ T2967] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4674bc254e
[  204.259986][ T2967] RDX: 0000000000000000 RSI: 00007ffcd674d090 RDI: 0000000000000005
[  204.259986][ T2967] RBP: 00007ffcd674cff0 R08: 0000000000000000 R09: 0000000000000000
[  204.259987][ T2967] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d557
[  204.259988][ T2967] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd674d750
| [  220.604440][ T3059] softirqs last disabled at (0): 0x0
| [  220.604442][ T3059] Preemption disabled at:
| [  220.604443][ T3059] 0x0
| [  220.604452][ T3059] Tainted: [W]=WARN
[  220.604453][ T3059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  220.604455][ T3059] Call Trace:
[  220.604456][ T3059]  <TASK>
[  220.604458][ T3059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  220.604464][ T3059]  __might_resched.cold (kernel/sched/core.c:9234)
[  220.604468][ T3059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  220.604471][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604475][ T3059]  __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))
[  220.604479][ T3059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  220.604482][ T3059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.604486][ T3059]  ? 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)
[  220.604488][ T3059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.604490][ T3059]  put_chars (drivers/char/virtio_console.c:1176)
[  220.604492][ T3059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  220.604494][ T3059]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  220.604498][ T3059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  220.604501][ T3059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  220.604503][ T3059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  220.604505][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604507][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.604509][ T3059]  console_emit_next_record (kernel/printk/printk.c:3183)
[  220.604512][ T3059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  220.604514][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604516][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604518][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604519][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.604521][ T3059]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  220.604523][ T3059]  console_flush_one_record (kernel/printk/printk.c:3268)
[  220.604526][ T3059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  220.604529][ T3059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  220.604531][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.604532][ T3059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  220.604534][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604536][ T3059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.604537][ T3059]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  220.604539][ T3059]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  220.604541][ T3059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  220.604543][ T3059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  220.604545][ T3059]  vprintk_emit (kernel/printk/printk.c:2479)
[  220.604548][ T3059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  220.604550][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604552][ T3059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  220.604555][ T3059]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  220.604556][ T3059]  _printk (kernel/printk/printk.c:2504)
[  220.604560][ T3059]  ? snapshot_read.cold (user.c:?)
[  220.604562][ T3059]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  220.604567][ T3059] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  220.604580][ T3059] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  220.604589][ T3059] br_device_event (net/bridge/br.c:111) bridge
[  220.604598][ T3059]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  220.604602][ T3059]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  220.604604][ T3059]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  220.604608][ T3059]  notifier_call_chain (kernel/notifier.c:85)
[  220.604611][ T3059]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  220.604615][ T3059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  220.604616][ T3059]  ? netif_change_name (net/core/dev.c:1517)
[  220.604619][ T3059]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  220.604621][ T3059]  ? __kernel_text_address (kernel/extable.c:79)
[  220.604623][ T3059]  ? write_profile (profile.c:?)
[  220.604626][ T3059]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  220.604629][ T3059]  netif_change_flags (net/core/dev.c:9882)
[  220.604631][ T3059]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  220.604635][ T3059]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  220.604636][ T3059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  220.604637][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604639][ T3059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  220.604643][ T3059]  ? kasan_save_stack (mm/kasan/common.c:58)
[  220.604646][ T3059]  ? kasan_save_stack (mm/kasan/common.c:57)
[  220.604648][ T3059]  ? kasan_save_track (mm/kasan/common.c:78)
[  220.604650][ T3059]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  220.604651][ T3059]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  220.604653][ T3059]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  220.604654][ T3059]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  220.604655][ T3059]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  220.604658][ T3059]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  220.604659][ T3059]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  220.604661][ T3059]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  220.604664][ T3059]  ? ___sys_sendmsg (net/socket.c:2767)
[  220.604665][ T3059]  ? __sys_sendmsg (net/socket.c:2799)
[  220.604667][ T3059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  220.604669][ T3059]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.604672][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604674][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.604675][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604677][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604679][ T3059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  220.604682][ T3059]  ? __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)
[  220.604684][ T3059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  220.604685][ T3059]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  220.604687][ T3059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  220.604689][ T3059]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  220.604691][ T3059]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  220.604693][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604695][ T3059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  220.604705][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.604706][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604709][ T3059]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  220.604712][ T3059]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  220.604714][ T3059]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  220.604715][ T3059]  ? __kernel_text_address (kernel/extable.c:79)
[  220.604717][ T3059]  ? write_profile (profile.c:?)
[  220.604718][ T3059]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  220.604719][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604721][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604723][ T3059]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  220.604727][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.604728][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604730][ T3059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  220.604732][ T3059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  220.604733][ T3059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  220.604735][ T3059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  220.604736][ T3059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  220.604739][ T3059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  220.604741][ T3059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  220.604742][ T3059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.604744][ T3059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  220.604745][ T3059]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  220.604748][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604750][ T3059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.604752][ T3059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  220.604754][ T3059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  220.604756][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604758][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604760][ T3059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.604762][ T3059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  220.604764][ T3059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  220.604766][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604768][ T3059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.604770][ T3059]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  220.604771][ T3059]  ? copy_msghdr_from_user (net/socket.c:2650)
[  220.604773][ T3059]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  220.604775][ T3059]  ? move_addr_to_kernel (net/socket.c:258)
[  220.604777][ T3059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  220.604779][ T3059]  ___sys_sendmsg (net/socket.c:2767)
[  220.604781][ T3059]  ? copy_msghdr_from_user (net/socket.c:2619)
[  220.604786][ T3059]  __sys_sendmsg (net/socket.c:2799)
[  220.604788][ T3059]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  220.604791][ T3059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.604794][ T3059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  220.604795][ T3059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  220.604797][ T3059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.604799][ T3059] RIP: 0033:0x7f5a12f7254e
[  220.604801][ T3059] 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
[  220.604803][ T3059] RSP: 002b:00007ffd494644f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  220.604807][ T3059] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5a12f7254e
[  220.604808][ T3059] RDX: 0000000000000000 RSI: 00007ffd494645a0 RDI: 0000000000000005
[  220.604809][ T3059] RBP: 00007ffd49464500 R08: 0000000000000000 R09: 0000000000000000
[  220.604810][ T3059] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d568
[  220.604811][ T3059] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd49464c60
| [  226.539804][ T3113] softirqs last disabled at (0): 0x0
| [  226.539806][ T3113] Preemption disabled at:
| [  226.539807][ T3113] 0x0
| [  226.539816][ T3113] Tainted: [W]=WARN
[  226.539817][ T3113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  226.539819][ T3113] Call Trace:
[  226.539820][ T3113]  <TASK>
[  226.539822][ T3113]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  226.539827][ T3113]  __might_resched.cold (kernel/sched/core.c:9234)
[  226.539831][ T3113]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  226.539835][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.539839][ T3113]  __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))
[  226.539843][ T3113]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  226.539846][ T3113]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.539850][ T3113]  ? 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)
[  226.539852][ T3113]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.539854][ T3113]  put_chars (drivers/char/virtio_console.c:1176)
[  226.539856][ T3113]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  226.539858][ T3113]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  226.539862][ T3113]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  226.539865][ T3113]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  226.539867][ T3113]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  226.539869][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.539870][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.539873][ T3113]  console_emit_next_record (kernel/printk/printk.c:3183)
[  226.539875][ T3113]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  226.539877][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.539879][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.539881][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.539882][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.539884][ T3113]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  226.539886][ T3113]  console_flush_one_record (kernel/printk/printk.c:3268)
[  226.539889][ T3113]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  226.539891][ T3113]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  226.539893][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.539895][ T3113]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  226.539897][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.539898][ T3113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.539900][ T3113]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  226.539901][ T3113]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  226.539903][ T3113]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  226.539906][ T3113]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  226.539908][ T3113]  vprintk_emit (kernel/printk/printk.c:2479)
[  226.539910][ T3113]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  226.539912][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.539914][ T3113]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  226.539917][ T3113]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  226.539918][ T3113]  _printk (kernel/printk/printk.c:2504)
[  226.539923][ T3113]  ? snapshot_read.cold (user.c:?)
[  226.539926][ T3113]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  226.539932][ T3113] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  226.539945][ T3113] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  226.539953][ T3113] br_device_event (net/bridge/br.c:111) bridge
[  226.539963][ T3113]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  226.539967][ T3113]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  226.539969][ T3113]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  226.539973][ T3113]  notifier_call_chain (kernel/notifier.c:85)
[  226.539976][ T3113]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  226.539980][ T3113]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  226.539981][ T3113]  ? netif_change_name (net/core/dev.c:1517)
[  226.539984][ T3113]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  226.539986][ T3113]  ? __kernel_text_address (kernel/extable.c:79)
[  226.539988][ T3113]  ? write_profile (profile.c:?)
[  226.539990][ T3113]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  226.539993][ T3113]  netif_change_flags (net/core/dev.c:9882)
[  226.539996][ T3113]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  226.539999][ T3113]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  226.540000][ T3113]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  226.540001][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540003][ T3113]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  226.540007][ T3113]  ? kasan_save_stack (mm/kasan/common.c:58)
[  226.540010][ T3113]  ? kasan_save_stack (mm/kasan/common.c:57)
[  226.540012][ T3113]  ? kasan_save_track (mm/kasan/common.c:78)
[  226.540013][ T3113]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  226.540015][ T3113]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  226.540016][ T3113]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  226.540018][ T3113]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.540019][ T3113]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.540022][ T3113]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.540023][ T3113]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.540025][ T3113]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  226.540027][ T3113]  ? ___sys_sendmsg (net/socket.c:2767)
[  226.540029][ T3113]  ? __sys_sendmsg (net/socket.c:2799)
[  226.540030][ T3113]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.540032][ T3113]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.540035][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540037][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.540038][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540040][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540042][ T3113]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  226.540045][ T3113]  ? __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)
[  226.540047][ T3113]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  226.540048][ T3113]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.540050][ T3113]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  226.540052][ T3113]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  226.540054][ T3113]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.540056][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540058][ T3113]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.540059][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.540061][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540063][ T3113]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  226.540068][ T3113]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  226.540070][ T3113]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  226.540072][ T3113]  ? __kernel_text_address (kernel/extable.c:79)
[  226.540073][ T3113]  ? write_profile (profile.c:?)
[  226.540074][ T3113]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  226.540076][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540078][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540079][ T3113]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  226.540083][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.540085][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540086][ T3113]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.540088][ T3113]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.540090][ T3113]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.540091][ T3113]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  226.540093][ T3113]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  226.540095][ T3113]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.540097][ T3113]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.540098][ T3113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.540100][ T3113]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  226.540101][ T3113]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  226.540104][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540106][ T3113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.540108][ T3113]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.540110][ T3113]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  226.540111][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540113][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540115][ T3113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.540117][ T3113]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.540119][ T3113]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  226.540121][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540123][ T3113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.540125][ T3113]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  226.540126][ T3113]  ? copy_msghdr_from_user (net/socket.c:2650)
[  226.540128][ T3113]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  226.540130][ T3113]  ? move_addr_to_kernel (net/socket.c:258)
[  226.540131][ T3113]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  226.540134][ T3113]  ___sys_sendmsg (net/socket.c:2767)
[  226.540136][ T3113]  ? copy_msghdr_from_user (net/socket.c:2619)
[  226.540141][ T3113]  __sys_sendmsg (net/socket.c:2799)
[  226.540143][ T3113]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  226.540146][ T3113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.540148][ T3113]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.540149][ T3113]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  226.540152][ T3113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.540153][ T3113] RIP: 0033:0x7f63f840554e
[  226.540155][ T3113] 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
[  226.540157][ T3113] RSP: 002b:00007ffed1d228c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  226.540161][ T3113] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f63f840554e
[  226.540162][ T3113] RDX: 0000000000000000 RSI: 00007ffed1d22970 RDI: 0000000000000005
[  226.540163][ T3113] RBP: 00007ffed1d228d0 R08: 0000000000000000 R09: 0000000000000000
[  226.540164][ T3113] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d56d


Finger prints:
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars