======================================
| [   10.464767][  T187] softirqs last disabled at (39495): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.464771][  T187] Preemption disabled at:
| [   10.464772][  T187] 0x0
| [   10.464783][  T187] Tainted: [W]=WARN
[   10.464784][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.464786][  T187] Call Trace:
[   10.464788][  T187]  <TASK>
[   10.464789][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.464796][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.464800][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.464805][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.464810][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.464812][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.464818][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.464821][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.464824][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.464827][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.464828][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.464833][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.464838][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.464844][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.464846][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.464849][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.464853][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.464857][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.464858][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.464862][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.464864][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.464868][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.464872][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.464874][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.464879][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.464882][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.464883][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.464886][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.464889][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.464891][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.464894][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.464898][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.464902][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.464905][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.464909][  T187]  ? snapshot_read.cold (user.c:?)
[   10.464912][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.464914][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.464918][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.464921][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.464924][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.464926][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.464929][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.464933][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.464936][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.464938][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.464940][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.464943][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.464947][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.464949][  T187] RIP: 0033:0x7f33cbaf51b8
[   10.464951][  T187] Code: Unable to access opcode bytes at 0x7f33cbaf518e.

Code starting with the faulting instruction
===========================================
[   10.464952][  T187] RSP: 002b:00007ffecdb015a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.464955][  T187] RAX: ffffffffffffffda RBX: 00007f33cbc25f88 RCX: 00007f33cbaf51b8
[   10.464956][  T187] RDX: 00007f33cb83ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.464957][  T187] RBP: 00007ffecdb01600 R08: 0000000000000000 R09: 0000000000008010
[   10.464958][  T187] R10: 00007ffecdb013c0 R11: 0000000000000246 R12: 0000000000000001
[   10.464959][  T187] R13: 0000000000000000 R14: 00007f33cbc24680 R15: 00007f33cbc25fa0
| [   12.304937][  T265] softirqs last disabled at (20416): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.304939][  T265] Preemption disabled at:
| [   12.304940][  T265] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.304950][  T265] Tainted: [W]=WARN
[   12.304951][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.304952][  T265] Call Trace:
[   12.304954][  T265]  <TASK>
[   12.304956][  T265]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.304961][  T265]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.304964][  T265]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.304969][  T265]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.304973][  T265]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.304979][  T265]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.304981][  T265]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.304987][  T265]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.304989][  T265]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.304993][  T265]  put_chars (drivers/char/virtio_console.c:1176)
[   12.304996][  T265]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.305000][  T265]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.305004][  T265]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.305006][  T265]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.305008][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.305010][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.305014][  T265]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.305016][  T265]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.305019][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.305024][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.305028][  T265]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.305031][  T265]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.305033][  T265]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.305036][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.305039][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.305043][  T265]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.305047][  T265]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.305049][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.305054][  T265]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.305057][  T265]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.305059][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.305061][  T265]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.305065][  T265]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.305067][  T265]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.305070][  T265]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.305074][  T265]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.305077][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.305079][  T265]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.305083][  T265]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.305087][  T265]  _printk (kernel/printk/printk.c:2504)
[   12.305090][  T265]  ? snapshot_read.cold (user.c:?)
[   12.305094][  T265]  ? br_multicast_flood (??:?) bridge
[   12.305109][  T265]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.305110][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.305111][  T265]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.305116][  T265] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.305127][  T265] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.305135][  T265] new_nbp (net/bridge/br_if.c:449) bridge
[   12.305145][  T265] br_add_if (net/bridge/br_if.c:592) bridge
[   12.305152][  T265]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.305156][  T265]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.305159][  T265]  ? __kernel_text_address (kernel/extable.c:79)
[   12.305163][  T265]  do_set_master (net/core/rtnetlink.c:3071)
[   12.305168][  T265]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.305171][  T265]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.305175][  T265]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.305176][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.305178][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.305182][  T265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.305185][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.305186][  T265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.305189][  T265]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.305192][  T265]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.305194][  T265]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.305197][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.305199][  T265]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.305202][  T265]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.305206][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.305208][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.305211][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.305213][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.305215][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.305217][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.305219][  T265]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.305223][  T265]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.305225][  T265]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.305227][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.305230][  T265]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.305232][  T265]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.305237][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.305242][  T265]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.305248][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.305249][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.305254][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.305256][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.305258][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.305260][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.305264][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.305266][  T265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.305269][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.305270][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.305275][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.305277][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.305280][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.305282][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.305285][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.305291][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.305293][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.305297][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.305301][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.305303][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.305308][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.305312][  T265]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.305315][  T265]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.305321][  T265]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.305323][  T265]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.305325][  T265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.305327][  T265]  ? move_addr_to_kernel (net/socket.c:258)
[   12.305334][  T265]  ___sys_sendmsg (net/socket.c:2767)
[   12.305337][  T265]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.305353][  T265]  __sys_sendmsg (net/socket.c:2799)
[   12.305356][  T265]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.305363][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.305367][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.305369][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.305372][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.305375][  T265] RIP: 0033:0x7fc8dc6ab54e
[   12.305378][  T265] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.305380][  T265] RSP: 002b:00007ffcb67f9f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.305383][  T265] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc8dc6ab54e
[   12.305384][  T265] RDX: 0000000000000000 RSI: 00007ffcb67fa030 RDI: 0000000000000005
[   12.305385][  T265] RBP: 00007ffcb67f9f90 R08: 0000000000000000 R09: 0000000000000000
[   12.305386][  T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd37
[   12.305387][  T265] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb67fa6f0
| [   19.269245][  T346] softirqs last disabled at (13262): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   19.269260][  T346] Preemption disabled at:
| [   19.269261][  T346] 0x0
| [   19.269273][  T346] Tainted: [W]=WARN
[   19.269275][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.269277][  T346] Call Trace:
[   19.269279][  T346]  <TASK>
[   19.269282][  T346]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.269291][  T346]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.269298][  T346]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.269304][  T346]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.269311][  T346]  __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))
[   19.269315][  T346]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.269325][  T346]  ? 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)
[   19.269328][  T346]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.269334][  T346]  put_chars (drivers/char/virtio_console.c:1176)
[   19.269338][  T346]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.269341][  T346]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   19.269348][  T346]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   19.269356][  T346]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.269359][  T346]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.269362][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.269365][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.269373][  T346]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.269375][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.269384][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.269391][  T346]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.269398][  T346]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.269401][  T346]  ? 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))
[   19.269406][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.269412][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.269419][  T346]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.269427][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.269429][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.269440][  T346]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.269444][  T346]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.269447][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.269451][  T346]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.269458][  T346]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.269460][  T346]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.269467][  T346]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.269473][  T346]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.269476][  T346]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.269481][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.269485][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.269496][  T346]  _printk (kernel/printk/printk.c:2504)
[   19.269501][  T346]  ? snapshot_read.cold (user.c:?)
[   19.269517][  T346] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   19.269537][  T346] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   19.269555][  T346] br_device_event (net/bridge/br.c:111) bridge
[   19.269569][  T346]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   19.269575][  T346]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   19.269586][  T346]  notifier_call_chain (kernel/notifier.c:85)
[   19.269597][  T346]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   19.269604][  T346]  ? netif_change_name (net/core/dev.c:1517)
[   19.269611][  T346]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   19.269616][  T346]  ? __kernel_text_address (kernel/extable.c:79)
[   19.269619][  T346]  ? write_profile (profile.c:?)
[   19.269623][  T346]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.269631][  T346]  netif_change_flags (net/core/dev.c:9882)
[   19.269638][  T346]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   19.269645][  T346]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.269648][  T346]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.269650][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.269653][  T346]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.269658][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.269662][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.269665][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.269670][  T346]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.269674][  T346]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.269676][  T346]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.269681][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.269684][  T346]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   19.269688][  T346]  ? ___sys_sendmsg (net/socket.c:2757)
[   19.269696][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.269699][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.269704][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.269708][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.269710][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.269713][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.269717][  T346]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.269722][  T346]  ? __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)
[   19.269725][  T346]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.269729][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.269736][  T346]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.269746][  T346]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.269757][  T346]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.269767][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.269771][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.269780][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.269783][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.269786][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.269790][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.269802][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.269805][  T346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.269811][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.269814][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.269823][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.269826][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.269833][  T346]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.269836][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.269841][  T346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.269854][  T346]  ? 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))
[   19.269856][  T346]  ? 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))
[   19.269865][  T346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.269872][  T346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.269877][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.269885][  T346]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.269892][  T346]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.269899][  T346]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.269908][  T346]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.269912][  T346]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.269916][  T346]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.269919][  T346]  ? move_addr_to_kernel (net/socket.c:258)
[   19.269934][  T346]  ___sys_sendmsg (net/socket.c:2767)
[   19.269939][  T346]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.269972][  T346]  __sys_sendmsg (net/socket.c:2799)
[   19.269977][  T346]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.269989][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.269996][  T346]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.270000][  T346]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.270005][  T346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.270008][  T346] RIP: 0033:0x7fc8ea77254e
[   19.270011][  T346] 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
[   19.270014][  T346] RSP: 002b:00007ffe364aae30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.270018][  T346] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc8ea77254e
[   19.270020][  T346] RDX: 0000000000000000 RSI: 00007ffe364aaee0 RDI: 0000000000000005
[   19.270022][  T346] RBP: 00007ffe364aae40 R08: 0000000000000000 R09: 0000000000000000
[   19.270023][  T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd3e
[   19.270024][  T346] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe364ab5a0
| [   24.555634][  T355] softirqs last disabled at (12218): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   24.555648][  T355] Preemption disabled at:
| [   24.555649][  T355] 0x0
| [   24.555662][  T355] Tainted: [W]=WARN
[   24.555663][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.555666][  T355] Call Trace:
[   24.555668][  T355]  <TASK>
[   24.555670][  T355]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.555683][  T355]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.555690][  T355]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.555697][  T355]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.555705][  T355]  __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))
[   24.555709][  T355]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.555719][  T355]  ? 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)
[   24.555723][  T355]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.555729][  T355]  put_chars (drivers/char/virtio_console.c:1176)
[   24.555732][  T355]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.555735][  T355]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.555740][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.555745][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.555753][  T355]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.555756][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.555759][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.555767][  T355]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.555769][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.555775][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.555779][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.555786][  T355]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.555793][  T355]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.555796][  T355]  ? 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))
[   24.555801][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.555805][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.555813][  T355]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.555820][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.555823][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.555840][  T355]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.555845][  T355]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.555847][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.555851][  T355]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.555857][  T355]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.555860][  T355]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.555865][  T355]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.555872][  T355]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.555876][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.555880][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.555886][  T355]  _printk (kernel/printk/printk.c:2504)
[   24.555891][  T355]  ? snapshot_read.cold (user.c:?)
[   24.555906][  T355] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.555927][  T355] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   24.555946][  T355] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   24.555961][  T355] br_dev_stop (net/bridge/br_device.c:193) bridge
[   24.555979][  T355]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.555982][  T355]  __dev_close_many (net/core/dev.c:1798)
[   24.555989][  T355]  ? netif_open (net/core/dev.c:1755)
[   24.555991][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.555995][  T355]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.556003][  T355]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   24.556008][  T355]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   24.556013][  T355]  ? __kernel_text_address (kernel/extable.c:79)
[   24.556016][  T355]  ? write_profile (profile.c:?)
[   24.556020][  T355]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.556027][  T355]  netif_change_flags (net/core/dev.c:9877)
[   24.556034][  T355]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.556040][  T355]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.556043][  T355]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.556045][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.556048][  T355]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.556053][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.556057][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.556060][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.556064][  T355]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.556068][  T355]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.556070][  T355]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.556075][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.556078][  T355]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   24.556082][  T355]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.556089][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.556092][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.556097][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.556101][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.556103][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.556106][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.556109][  T355]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.556115][  T355]  ? __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)
[   24.556119][  T355]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.556122][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.556129][  T355]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.556139][  T355]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.556149][  T355]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.556160][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.556163][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.556171][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.556174][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.556177][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.556181][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.556187][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.556191][  T355]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.556196][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.556198][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.556206][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.556209][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.556216][  T355]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.556219][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.556224][  T355]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.556237][  T355]  ? 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))
[   24.556239][  T355]  ? 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))
[   24.556247][  T355]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.556254][  T355]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.556258][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.556266][  T355]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.556273][  T355]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.556280][  T355]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.556288][  T355]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.556292][  T355]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.556296][  T355]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.556298][  T355]  ? move_addr_to_kernel (net/socket.c:258)
[   24.556313][  T355]  ___sys_sendmsg (net/socket.c:2767)
[   24.556318][  T355]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.556350][  T355]  __sys_sendmsg (net/socket.c:2799)
[   24.556354][  T355]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.556366][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.556373][  T355]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.556376][  T355]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.556381][  T355]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.556384][  T355] RIP: 0033:0x7fe472a3e54e
[   24.556388][  T355] 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
[   24.556390][  T355] RSP: 002b:00007ffd662a88a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.556394][  T355] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe472a3e54e
[   24.556396][  T355] RDX: 0000000000000000 RSI: 00007ffd662a8950 RDI: 0000000000000005
[   24.556398][  T355] RBP: 00007ffd662a88b0 R08: 0000000000000000 R09: 0000000000000000
[   24.556399][  T355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd43
[   24.556401][  T355] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd662a9010
| [   25.582620][  T385] softirqs last disabled at (13984): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:119) bridge
| [   25.582628][  T385] Preemption disabled at:
| [   25.582628][  T385] 0x0
| [   25.582638][  T385] Tainted: [W]=WARN
[   25.582639][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.582641][  T385] Call Trace:
[   25.582643][  T385]  <TASK>
[   25.582644][  T385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.582651][  T385]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.582655][  T385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.582659][  T385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.582665][  T385]  __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))
[   25.582667][  T385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.582673][  T385]  ? 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)
[   25.582675][  T385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.582679][  T385]  put_chars (drivers/char/virtio_console.c:1176)
[   25.582683][  T385]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   25.582686][  T385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.582689][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.582693][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.582695][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.582698][  T385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.582701][  T385]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.582703][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.582704][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.582708][  T385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.582710][  T385]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.582713][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.582716][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.582720][  T385]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.582723][  T385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.582725][  T385]  ? 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))
[   25.582728][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.582730][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.582734][  T385]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.582738][  T385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.582740][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.582745][  T385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.582748][  T385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.582750][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.582752][  T385]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.582755][  T385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.582757][  T385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.582760][  T385]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.582766][  T385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.582771][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.582774][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.582779][  T385]  _printk (kernel/printk/printk.c:2504)
[   25.582784][  T385]  ? snapshot_read.cold (user.c:?)
[   25.582789][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.582793][  T385] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   25.582804][  T385] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   25.582812][  T385] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   25.582820][  T385] br_device_event (net/bridge/br.c:120) bridge
[   25.582828][  T385]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   25.582830][  T385]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   25.582842][  T385]  notifier_call_chain (kernel/notifier.c:85)
[   25.582848][  T385]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   25.582853][  T385]  ? netif_change_name (net/core/dev.c:1517)
[   25.582857][  T385]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   25.582859][  T385]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   25.582862][  T385]  ? __kernel_text_address (kernel/extable.c:79)
[   25.582863][  T385]  ? write_profile (profile.c:?)
[   25.582866][  T385]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.582871][  T385]  netif_change_flags (net/core/dev.c:9882)
[   25.582875][  T385]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.582878][  T385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.582880][  T385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.582881][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.582883][  T385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.582887][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.582889][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.582891][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.582894][  T385]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.582897][  T385]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.582898][  T385]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.582901][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.582903][  T385]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   25.582905][  T385]  ? ___sys_sendmsg (net/socket.c:2757)
[   25.582909][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.582911][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.582914][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.582916][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.582918][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.582919][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.582922][  T385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.582926][  T385]  ? __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)
[   25.582928][  T385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.582930][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.582933][  T385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.582939][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.582944][  T385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.582950][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.582952][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.582956][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.582958][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.582960][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.582962][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.582966][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.582968][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.582971][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.582972][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.582976][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.582978][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.582981][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.582983][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.582986][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.582992][  T385]  ? 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))
[   25.582993][  T385]  ? 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))
[   25.582998][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.583001][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.583004][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.583008][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.583012][  T385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.583015][  T385]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.583021][  T385]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.583023][  T385]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.583025][  T385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.583027][  T385]  ? move_addr_to_kernel (net/socket.c:258)
[   25.583034][  T385]  ___sys_sendmsg (net/socket.c:2767)
[   25.583037][  T385]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.583052][  T385]  __sys_sendmsg (net/socket.c:2799)
[   25.583055][  T385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.583061][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.583065][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.583067][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.583070][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.583073][  T385] RIP: 0033:0x7f304f4b954e
[   25.583075][  T385] 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
[   25.583077][  T385] RSP: 002b:00007ffdf2bec9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.583080][  T385] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f304f4b954e
[   25.583081][  T385] RDX: 0000000000000000 RSI: 00007ffdf2becaa0 RDI: 0000000000000005
[   25.583082][  T385] RBP: 00007ffdf2beca00 R08: 0000000000000000 R09: 0000000000000000
[   25.583083][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd44
[   25.583084][  T385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf2bed160
| [   30.745077][  T390] softirqs last disabled at (13620): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   30.745085][  T390] Preemption disabled at:
| [   30.745086][  T390] 0x0
| [   30.745096][  T390] Tainted: [W]=WARN
[   30.745097][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.745099][  T390] Call Trace:
[   30.745101][  T390]  <TASK>
[   30.745102][  T390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.745109][  T390]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.745114][  T390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.745119][  T390]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.745124][  T390]  __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))
[   30.745127][  T390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.745133][  T390]  ? 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)
[   30.745135][  T390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.745139][  T390]  put_chars (drivers/char/virtio_console.c:1176)
[   30.745141][  T390]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   30.745143][  T390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.745146][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.745150][  T390]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.745154][  T390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.745157][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.745158][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.745163][  T390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.745164][  T390]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   30.745168][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.745171][  T390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.745175][  T390]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.745179][  T390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.745181][  T390]  ? 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))
[   30.745184][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.745186][  T390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.745190][  T390]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.745195][  T390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.745197][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.745202][  T390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.745205][  T390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.745207][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.745209][  T390]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.745213][  T390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.745215][  T390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.745218][  T390]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.745223][  T390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.745226][  T390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.745229][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.745232][  T390]  _printk (kernel/printk/printk.c:2504)
[   30.745236][  T390]  ? snapshot_read.cold (user.c:?)
[   30.745244][  T390] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.745255][  T390] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   30.745264][  T390] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   30.745272][  T390] br_dev_stop (net/bridge/br_device.c:193) bridge
[   30.745281][  T390]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.745284][  T390]  __dev_close_many (net/core/dev.c:1798)
[   30.745289][  T390]  ? netif_open (net/core/dev.c:1755)
[   30.745290][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.745293][  T390]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.745297][  T390]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   30.745301][  T390]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   30.745304][  T390]  ? __kernel_text_address (kernel/extable.c:79)
[   30.745306][  T390]  ? write_profile (profile.c:?)
[   30.745309][  T390]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.745314][  T390]  netif_change_flags (net/core/dev.c:9877)
[   30.745318][  T390]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.745321][  T390]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.745323][  T390]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.745325][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.745327][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.745331][  T390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.745333][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.745335][  T390]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.745338][  T390]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.745341][  T390]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.745343][  T390]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.745346][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.745347][  T390]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   30.745350][  T390]  ? ___sys_sendmsg (net/socket.c:2757)
[   30.745355][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.745357][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.745359][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.745362][  T390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.745364][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.745365][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.745368][  T390]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.745372][  T390]  ? __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)
[   30.745375][  T390]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.745377][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.745381][  T390]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.745386][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.745391][  T390]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.745397][  T390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.745399][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.745403][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.745405][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.745408][  T390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.745410][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.745413][  T390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.745415][  T390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.745419][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.745420][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.745425][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.745426][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.745430][  T390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.745432][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.745435][  T390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.745441][  T390]  ? 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))
[   30.745443][  T390]  ? 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))
[   30.745447][  T390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.745451][  T390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.745454][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.745458][  T390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.745462][  T390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.745466][  T390]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.745471][  T390]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.745474][  T390]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.745476][  T390]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.745478][  T390]  ? move_addr_to_kernel (net/socket.c:258)
[   30.745486][  T390]  ___sys_sendmsg (net/socket.c:2767)
[   30.745488][  T390]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.745505][  T390]  __sys_sendmsg (net/socket.c:2799)
[   30.745507][  T390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.745514][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.745518][  T390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.745520][  T390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.745523][  T390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.745526][  T390] RIP: 0033:0x7f2f998ad54e
[   30.745528][  T390] 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
[   30.745530][  T390] RSP: 002b:00007ffdc2dd2d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.745533][  T390] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2f998ad54e
[   30.745535][  T390] RDX: 0000000000000000 RSI: 00007ffdc2dd2df0 RDI: 0000000000000005
[   30.745536][  T390] RBP: 00007ffdc2dd2d50 R08: 0000000000000000 R09: 0000000000000000
[   30.745537][  T390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd4a
[   30.745538][  T390] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc2dd34b0
| [   38.299631][  T691] softirqs last disabled at (16160): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   38.299639][  T691] Preemption disabled at:
| [   38.299639][  T691] 0x0
| [   38.299649][  T691] Tainted: [W]=WARN
[   38.299650][  T691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.299652][  T691] Call Trace:
[   38.299654][  T691]  <TASK>
[   38.299656][  T691]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.299663][  T691]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.299668][  T691]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.299672][  T691]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.299677][  T691]  __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))
[   38.299682][  T691]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.299688][  T691]  ? 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)
[   38.299690][  T691]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.299693][  T691]  put_chars (drivers/char/virtio_console.c:1176)
[   38.299696][  T691]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.299699][  T691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.299703][  T691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.299706][  T691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.299710][  T691]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.299712][  T691]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   38.299714][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299716][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299720][  T691]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.299721][  T691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.299726][  T691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.299730][  T691]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.299734][  T691]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.299735][  T691]  ? 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))
[   38.299739][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299741][  T691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.299745][  T691]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.299749][  T691]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.299751][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299756][  T691]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.299759][  T691]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.299762][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299765][  T691]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.299772][  T691]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.299775][  T691]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.299780][  T691]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.299785][  T691]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.299787][  T691]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.299790][  T691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.299793][  T691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.299796][  T691]  _printk (kernel/printk/printk.c:2504)
[   38.299800][  T691]  ? snapshot_read.cold (user.c:?)
[   38.299808][  T691] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.299819][  T691] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   38.299829][  T691] br_device_event (net/bridge/br.c:111) bridge
[   38.299837][  T691]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   38.299842][  T691]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   38.299848][  T691]  notifier_call_chain (kernel/notifier.c:85)
[   38.299853][  T691]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   38.299858][  T691]  ? netif_change_name (net/core/dev.c:1517)
[   38.299862][  T691]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   38.299865][  T691]  ? __kernel_text_address (kernel/extable.c:79)
[   38.299868][  T691]  ? write_profile (profile.c:?)
[   38.299870][  T691]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.299875][  T691]  netif_change_flags (net/core/dev.c:9882)
[   38.299879][  T691]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   38.299883][  T691]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.299885][  T691]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.299886][  T691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.299888][  T691]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.299891][  T691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.299894][  T691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.299896][  T691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.299899][  T691]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.299902][  T691]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.299904][  T691]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.299906][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299908][  T691]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   38.299912][  T691]  ? ___sys_sendmsg (net/socket.c:2757)
[   38.299916][  T691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.299925][  T691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.299927][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299930][  T691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.299931][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299933][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299936][  T691]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.299939][  T691]  ? __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)
[   38.299941][  T691]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.299943][  T691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.299947][  T691]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.299953][  T691]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.299958][  T691]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.299964][  T691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.299966][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299970][  T691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.299972][  T691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.299974][  T691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.299976][  T691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.299980][  T691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.299982][  T691]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.299985][  T691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.299987][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299991][  T691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.299993][  T691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.299997][  T691]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.299998][  T691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.300001][  T691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.300008][  T691]  ? 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))
[   38.300009][  T691]  ? 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))
[   38.300014][  T691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.300017][  T691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.300020][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.300024][  T691]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.300028][  T691]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.300032][  T691]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.300038][  T691]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.300040][  T691]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.300042][  T691]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.300044][  T691]  ? move_addr_to_kernel (net/socket.c:258)
[   38.300052][  T691]  ___sys_sendmsg (net/socket.c:2767)
[   38.300054][  T691]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.300071][  T691]  __sys_sendmsg (net/socket.c:2799)
[   38.300073][  T691]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.300080][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.300084][  T691]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.300086][  T691]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.300089][  T691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.300092][  T691] RIP: 0033:0x7f11581f454e
[   38.300094][  T691] 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
[   38.300096][  T691] RSP: 002b:00007fff0b5306a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.300099][  T691] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f11581f454e
[   38.300101][  T691] RDX: 0000000000000000 RSI: 00007fff0b530750 RDI: 0000000000000005
[   38.300101][  T691] RBP: 00007fff0b5306b0 R08: 0000000000000000 R09: 0000000000000000
[   38.300102][  T691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd51
[   38.300103][  T691] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0b530e10
| [   43.618538][  T700] softirqs last disabled at (14258): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   43.618547][  T700] Preemption disabled at:
| [   43.618547][  T700] 0x0
| [   43.618558][  T700] Tainted: [W]=WARN
[   43.618559][  T700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.618561][  T700] Call Trace:
[   43.618562][  T700]  <TASK>
[   43.618564][  T700]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.618571][  T700]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.618575][  T700]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.618580][  T700]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.618585][  T700]  __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))
[   43.618588][  T700]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.618593][  T700]  ? 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)
[   43.618596][  T700]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.618600][  T700]  put_chars (drivers/char/virtio_console.c:1176)
[   43.618602][  T700]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   43.618604][  T700]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.618607][  T700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.618610][  T700]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.618615][  T700]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.618617][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.618619][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.618624][  T700]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.618625][  T700]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   43.618628][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.618631][  T700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.618635][  T700]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.618639][  T700]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.618641][  T700]  ? 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))
[   43.618644][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.618647][  T700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.618651][  T700]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.618655][  T700]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.618657][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.618662][  T700]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.618665][  T700]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.618667][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.618669][  T700]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.618672][  T700]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.618674][  T700]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.618678][  T700]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.618685][  T700]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.618688][  T700]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.618691][  T700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.618694][  T700]  _printk (kernel/printk/printk.c:2504)
[   43.618698][  T700]  ? snapshot_read.cold (user.c:?)
[   43.618706][  T700] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.618716][  T700] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   43.618724][  T700] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   43.618732][  T700] br_dev_stop (net/bridge/br_device.c:193) bridge
[   43.618741][  T700]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.618744][  T700]  __dev_close_many (net/core/dev.c:1798)
[   43.618749][  T700]  ? netif_open (net/core/dev.c:1755)
[   43.618750][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.618753][  T700]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.618757][  T700]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   43.618761][  T700]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   43.618766][  T700]  ? __kernel_text_address (kernel/extable.c:79)
[   43.618769][  T700]  ? write_profile (profile.c:?)
[   43.618772][  T700]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.618780][  T700]  netif_change_flags (net/core/dev.c:9877)
[   43.618785][  T700]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   43.618788][  T700]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.618790][  T700]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.618791][  T700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.618793][  T700]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.618797][  T700]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.618800][  T700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.618801][  T700]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.618804][  T700]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.618807][  T700]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.618809][  T700]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.618811][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.618813][  T700]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   43.618816][  T700]  ? ___sys_sendmsg (net/socket.c:2757)
[   43.618821][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.618823][  T700]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.618825][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.618828][  T700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.618829][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.618831][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.618834][  T700]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.618838][  T700]  ? __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)
[   43.618841][  T700]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.618843][  T700]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.618846][  T700]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.618852][  T700]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.618857][  T700]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.618862][  T700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.618864][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.618869][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.618870][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.618873][  T700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.618874][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.618878][  T700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.618880][  T700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.618883][  T700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.618885][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.618889][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.618891][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.618895][  T700]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.618897][  T700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.618899][  T700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.618906][  T700]  ? 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))
[   43.618907][  T700]  ? 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))
[   43.618912][  T700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.618915][  T700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.618918][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.618922][  T700]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.618926][  T700]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.618930][  T700]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.618936][  T700]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.618938][  T700]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.618941][  T700]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.618942][  T700]  ? move_addr_to_kernel (net/socket.c:258)
[   43.618950][  T700]  ___sys_sendmsg (net/socket.c:2767)
[   43.618959][  T700]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.618975][  T700]  __sys_sendmsg (net/socket.c:2799)
[   43.618978][  T700]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.618984][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.618988][  T700]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.618991][  T700]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.618994][  T700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.618996][  T700] RIP: 0033:0x7f3948c6954e
[   43.618998][  T700] 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
[   43.619000][  T700] RSP: 002b:00007fff767e4fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.619003][  T700] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3948c6954e
[   43.619004][  T700] RDX: 0000000000000000 RSI: 00007fff767e5090 RDI: 0000000000000005
[   43.619005][  T700] RBP: 00007fff767e4ff0 R08: 0000000000000000 R09: 0000000000000000
[   43.619006][  T700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd57
[   43.619007][  T700] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff767e5750
| [   49.712693][  T736] softirqs last disabled at (17858): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   49.712706][  T736] Preemption disabled at:
| [   49.712707][  T736] 0x0
| [   49.712721][  T736] Tainted: [W]=WARN
[   49.712722][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.712725][  T736] Call Trace:
[   49.712727][  T736]  <TASK>
[   49.712730][  T736]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.712739][  T736]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.712746][  T736]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.712752][  T736]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.712760][  T736]  __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))
[   49.712764][  T736]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.712772][  T736]  ? 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)
[   49.712776][  T736]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.712782][  T736]  put_chars (drivers/char/virtio_console.c:1176)
[   49.712786][  T736]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.712792][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.712797][  T736]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.712805][  T736]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.712809][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.712812][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.712821][  T736]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.712823][  T736]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   49.712829][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.712833][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.712841][  T736]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.712848][  T736]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.712850][  T736]  ? 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))
[   49.712856][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.712860][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.712867][  T736]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.712875][  T736]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.712878][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.712888][  T736]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.712893][  T736]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.712896][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.712900][  T736]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.712907][  T736]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.712910][  T736]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.712916][  T736]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.712923][  T736]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.712928][  T736]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.712933][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.712939][  T736]  _printk (kernel/printk/printk.c:2504)
[   49.712945][  T736]  ? snapshot_read.cold (user.c:?)
[   49.712961][  T736] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   49.712979][  T736] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   49.713003][  T736] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   49.713017][  T736] br_dev_stop (net/bridge/br_device.c:193) bridge
[   49.713034][  T736]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.713037][  T736]  __dev_close_many (net/core/dev.c:1798)
[   49.713044][  T736]  ? netif_open (net/core/dev.c:1755)
[   49.713047][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.713051][  T736]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.713060][  T736]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   49.713065][  T736]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   49.713071][  T736]  ? __kernel_text_address (kernel/extable.c:79)
[   49.713074][  T736]  ? write_profile (profile.c:?)
[   49.713078][  T736]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   49.713086][  T736]  netif_change_flags (net/core/dev.c:9877)
[   49.713093][  T736]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   49.713099][  T736]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.713103][  T736]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.713105][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.713108][  T736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.713113][  T736]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.713117][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.713120][  T736]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.713125][  T736]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.713129][  T736]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.713132][  T736]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.713137][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.713140][  T736]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   49.713144][  T736]  ? ___sys_sendmsg (net/socket.c:2757)
[   49.713152][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.713155][  T736]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.713160][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.713164][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.713166][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.713169][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.713173][  T736]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.713179][  T736]  ? __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)
[   49.713183][  T736]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.713187][  T736]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.713193][  T736]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.713204][  T736]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.713215][  T736]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.713226][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.713230][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.713239][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.713242][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.713246][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.713249][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.713256][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.713260][  T736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.713266][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.713268][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.713277][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.713280][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.713287][  T736]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.713290][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.713295][  T736]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.713308][  T736]  ? 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))
[   49.713311][  T736]  ? 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))
[   49.713319][  T736]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.713327][  T736]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.713331][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.713340][  T736]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.713347][  T736]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.713355][  T736]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.713364][  T736]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.713368][  T736]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.713372][  T736]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   49.713375][  T736]  ? move_addr_to_kernel (net/socket.c:258)
[   49.713390][  T736]  ___sys_sendmsg (net/socket.c:2767)
[   49.713395][  T736]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.713429][  T736]  __sys_sendmsg (net/socket.c:2799)
[   49.713434][  T736]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.713447][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.713453][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.713457][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.713462][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.713466][  T736] RIP: 0033:0x7f97c39f654e
[   49.713470][  T736] 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
[   49.713472][  T736] RSP: 002b:00007ffc206f4740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.713476][  T736] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f97c39f654e
[   49.713478][  T736] RDX: 0000000000000000 RSI: 00007ffc206f47f0 RDI: 0000000000000005
[   49.713480][  T736] RBP: 00007ffc206f4750 R08: 0000000000000000 R09: 0000000000000000
[   49.713481][  T736] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd5d
[   49.713483][  T736] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc206f4eb0
| [   53.007197][  T852] softirqs last disabled at (21326): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   53.007210][  T852] Preemption disabled at:
| [   53.007211][  T852] 0x0
| [   53.007224][  T852] Tainted: [W]=WARN
[   53.007226][  T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.007228][  T852] Call Trace:
[   53.007231][  T852]  <TASK>
[   53.007233][  T852]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.007241][  T852]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.007248][  T852]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.007254][  T852]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.007262][  T852]  __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))
[   53.007266][  T852]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.007275][  T852]  ? 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)
[   53.007278][  T852]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.007284][  T852]  put_chars (drivers/char/virtio_console.c:1176)
[   53.007288][  T852]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.007294][  T852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.007300][  T852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.007303][  T852]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.007310][  T852]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.007314][  T852]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.007317][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.007319][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.007327][  T852]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.007329][  T852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.007337][  T852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.007344][  T852]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.007350][  T852]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.007353][  T852]  ? 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))
[   53.007359][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.007362][  T852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.007370][  T852]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.007377][  T852]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.007380][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.007390][  T852]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.007395][  T852]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.007397][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.007401][  T852]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   53.007408][  T852]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.007410][  T852]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.007417][  T852]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.007424][  T852]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.007426][  T852]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.007431][  T852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.007435][  T852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.007441][  T852]  _printk (kernel/printk/printk.c:2504)
[   53.007446][  T852]  ? snapshot_read.cold (user.c:?)
[   53.007461][  T852] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   53.007482][  T852] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   53.007499][  T852] br_device_event (net/bridge/br.c:111) bridge
[   53.007513][  T852]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   53.007519][  T852]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   53.007531][  T852]  notifier_call_chain (kernel/notifier.c:85)
[   53.007542][  T852]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   53.007550][  T852]  ? netif_change_name (net/core/dev.c:1517)
[   53.007556][  T852]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   53.007561][  T852]  ? __kernel_text_address (kernel/extable.c:79)
[   53.007565][  T852]  ? write_profile (profile.c:?)
[   53.007568][  T852]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   53.007577][  T852]  netif_change_flags (net/core/dev.c:9882)
[   53.007584][  T852]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   53.007590][  T852]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.007594][  T852]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.007596][  T852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.007599][  T852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.007604][  T852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.007608][  T852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.007611][  T852]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.007616][  T852]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.007620][  T852]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.007622][  T852]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.007627][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.007630][  T852]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   53.007634][  T852]  ? ___sys_sendmsg (net/socket.c:2757)
[   53.007642][  T852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.007645][  T852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.007650][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.007654][  T852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.007656][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.007659][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.007663][  T852]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.007668][  T852]  ? __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)
[   53.007671][  T852]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.007675][  T852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.007684][  T852]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.007695][  T852]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.007705][  T852]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.007716][  T852]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.007719][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.007728][  T852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.007731][  T852]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.007735][  T852]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.007738][  T852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.007745][  T852]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.007749][  T852]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.007755][  T852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.007758][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.007766][  T852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.007769][  T852]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.007775][  T852]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.007778][  T852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.007784][  T852]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.007797][  T852]  ? 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))
[   53.007799][  T852]  ? 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))
[   53.007808][  T852]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.007815][  T852]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.007820][  T852]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.007828][  T852]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.007835][  T852]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.007843][  T852]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.007852][  T852]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.007856][  T852]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.007860][  T852]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   53.007862][  T852]  ? move_addr_to_kernel (net/socket.c:258)
[   53.007877][  T852]  ___sys_sendmsg (net/socket.c:2767)
[   53.007882][  T852]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.007916][  T852]  __sys_sendmsg (net/socket.c:2799)
[   53.007921][  T852]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.007933][  T852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.007940][  T852]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.007944][  T852]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.007949][  T852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.007952][  T852] RIP: 0033:0x7fdedb17f54e
[   53.007956][  T852] 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
[   53.007959][  T852] RSP: 002b:00007ffe6a4a42a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.007963][  T852] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdedb17f54e
[   53.007965][  T852] RDX: 0000000000000000 RSI: 00007ffe6a4a4350 RDI: 0000000000000005
[   53.007966][  T852] RBP: 00007ffe6a4a42b0 R08: 0000000000000000 R09: 0000000000000000
[   53.007968][  T852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd60
[   53.007969][  T852] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6a4a4a10
| [   58.299547][  T861] softirqs last disabled at (11898): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   58.299555][  T861] Preemption disabled at:
| [   58.299555][  T861] 0x0
| [   58.299566][  T861] Tainted: [W]=WARN
[   58.299566][  T861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.299569][  T861] Call Trace:
[   58.299570][  T861]  <TASK>
[   58.299572][  T861]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.299578][  T861]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.299583][  T861]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.299587][  T861]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.299593][  T861]  __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))
[   58.299595][  T861]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.299601][  T861]  ? 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)
[   58.299603][  T861]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.299607][  T861]  put_chars (drivers/char/virtio_console.c:1176)
[   58.299609][  T861]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   58.299611][  T861]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.299614][  T861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.299617][  T861]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.299621][  T861]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.299624][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.299626][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.299630][  T861]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.299632][  T861]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   58.299635][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.299638][  T861]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.299642][  T861]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.299646][  T861]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.299648][  T861]  ? 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))
[   58.299651][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.299653][  T861]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.299657][  T861]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.299661][  T861]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.299663][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.299668][  T861]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.299671][  T861]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.299673][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.299675][  T861]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.299682][  T861]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.299684][  T861]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.299687][  T861]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.299692][  T861]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.299695][  T861]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.299697][  T861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.299701][  T861]  _printk (kernel/printk/printk.c:2504)
[   58.299705][  T861]  ? snapshot_read.cold (user.c:?)
[   58.299713][  T861] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   58.299723][  T861] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   58.299732][  T861] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   58.299740][  T861] br_dev_stop (net/bridge/br_device.c:193) bridge
[   58.299749][  T861]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.299752][  T861]  __dev_close_many (net/core/dev.c:1798)
[   58.299756][  T861]  ? netif_open (net/core/dev.c:1755)
[   58.299759][  T861]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   58.299766][  T861]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   58.299772][  T861]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   58.299776][  T861]  ? __kernel_text_address (kernel/extable.c:79)
[   58.299779][  T861]  ? write_profile (profile.c:?)
[   58.299782][  T861]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.299787][  T861]  netif_change_flags (net/core/dev.c:9877)
[   58.299791][  T861]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   58.299795][  T861]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.299797][  T861]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.299798][  T861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.299800][  T861]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.299803][  T861]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.299806][  T861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.299808][  T861]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.299811][  T861]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.299814][  T861]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.299815][  T861]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.299818][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.299820][  T861]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   58.299823][  T861]  ? ___sys_sendmsg (net/socket.c:2757)
[   58.299828][  T861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.299829][  T861]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.299832][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.299835][  T861]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.299836][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.299838][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.299840][  T861]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.299844][  T861]  ? __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)
[   58.299847][  T861]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.299850][  T861]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.299853][  T861]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.299858][  T861]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.299864][  T861]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.299869][  T861]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.299871][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.299875][  T861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.299877][  T861]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.299880][  T861]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.299881][  T861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.299885][  T861]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.299887][  T861]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.299890][  T861]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.299892][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.299896][  T861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.299898][  T861]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.299902][  T861]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.299903][  T861]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.299906][  T861]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.299913][  T861]  ? 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))
[   58.299914][  T861]  ? 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))
[   58.299918][  T861]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.299922][  T861]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.299925][  T861]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.299929][  T861]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.299933][  T861]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.299937][  T861]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.299942][  T861]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.299945][  T861]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.299947][  T861]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.299949][  T861]  ? move_addr_to_kernel (net/socket.c:258)
[   58.299957][  T861]  ___sys_sendmsg (net/socket.c:2767)
[   58.299960][  T861]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.299975][  T861]  __sys_sendmsg (net/socket.c:2799)
[   58.299978][  T861]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.299984][  T861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.299988][  T861]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.299991][  T861]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.299994][  T861]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.299996][  T861] RIP: 0033:0x7f86d651e54e
[   58.299998][  T861] 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
[   58.300001][  T861] RSP: 002b:00007ffcb0c9c310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.300003][  T861] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86d651e54e
[   58.300005][  T861] RDX: 0000000000000000 RSI: 00007ffcb0c9c3c0 RDI: 0000000000000005
[   58.300006][  T861] RBP: 00007ffcb0c9c320 R08: 0000000000000000 R09: 0000000000000000
[   58.300007][  T861] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd65
[   58.300007][  T861] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb0c9ca80
| [   59.327180][  T896] softirqs last disabled at (16834): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   59.327183][  T896] Preemption disabled at:
| [   59.327184][  T896] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.327196][  T896] Tainted: [W]=WARN
[   59.327197][  T896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.327199][  T896] Call Trace:
[   59.327202][  T896]  <TASK>
[   59.327204][  T896]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.327211][  T896]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.327215][  T896]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.327221][  T896]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.327227][  T896]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.327234][  T896]  __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))
[   59.327237][  T896]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.327246][  T896]  ? 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)
[   59.327249][  T896]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.327255][  T896]  put_chars (drivers/char/virtio_console.c:1176)
[   59.327259][  T896]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.327270][  T896]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.327281][  T896]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.327285][  T896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.327292][  T896]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.327299][  T896]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.327302][  T896]  ? 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))
[   59.327307][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.327312][  T896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.327320][  T896]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.327327][  T896]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.327330][  T896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.327341][  T896]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.327345][  T896]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.327348][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.327352][  T896]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.327359][  T896]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.327362][  T896]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.327368][  T896]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.327374][  T896]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.327380][  T896]  ? __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)
[   59.327384][  T896]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.327386][  T896]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.327393][  T896]  _printk (kernel/printk/printk.c:2504)
[   59.327398][  T896]  ? snapshot_read.cold (user.c:?)
[   59.327404][  T896]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   59.327425][  T896]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   59.327434][  T896] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   59.327452][  T896] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   59.327467][  T896] new_nbp (net/bridge/br_if.c:449) bridge
[   59.327483][  T896] br_add_if (net/bridge/br_if.c:592) bridge
[   59.327495][  T896]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   59.327506][  T896]  do_set_master (net/core/rtnetlink.c:3071)
[   59.327513][  T896]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   59.327520][  T896]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   59.327522][  T896]  ? __dev_get_by_name (net/core/dev.c:905)
[   59.327526][  T896]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   59.327544][  T896]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   59.327556][  T896]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.327566][  T896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.327570][  T896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.327583][  T896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.327590][  T896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.327594][  T896]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.327600][  T896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.327602][  T896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.327611][  T896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.327614][  T896]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.327621][  T896]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.327625][  T896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.327631][  T896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.327643][  T896]  ? 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))
[   59.327646][  T896]  ? 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))
[   59.327654][  T896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.327662][  T896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.327666][  T896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.327675][  T896]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.327686][  T896]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.327694][  T896]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.327703][  T896]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.327708][  T896]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.327711][  T896]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.327714][  T896]  ? move_addr_to_kernel (net/socket.c:258)
[   59.327721][  T896]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   59.327725][  T896]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   59.327733][  T896]  ___sys_sendmsg (net/socket.c:2767)
[   59.327738][  T896]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.327767][  T896]  __sys_sendmsg (net/socket.c:2799)
[   59.327772][  T896]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.327782][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.327785][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.327792][  T896]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.327795][  T896]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.327800][  T896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.327803][  T896] RIP: 0033:0x7f4c503d154e
[   59.327807][  T896] 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
[   59.327810][  T896] RSP: 002b:00007fff475c3ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.327814][  T896] RAX: ffffffffffffffda RBX: 00007fff475c4298 RCX: 00007f4c503d154e
[   59.327816][  T896] RDX: 0000000000000000 RSI: 00007fff475c3b90 RDI: 0000000000000005
[   59.327818][  T896] RBP: 00007fff475c3af0 R08: 0000000000000000 R09: 0000000000000000
[   59.327820][  T896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd66
[   59.327821][  T896] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff475c4250
| [   60.347299][  T930] softirqs last disabled at (24274): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   60.347301][  T930] Preemption disabled at:
| [   60.347302][  T930] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.347311][  T930] Tainted: [W]=WARN
[   60.347312][  T930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.347314][  T930] Call Trace:
[   60.347316][  T930]  <TASK>
[   60.347317][  T930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.347323][  T930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.347326][  T930]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.347330][  T930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.347335][  T930]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.347340][  T930]  __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))
[   60.347342][  T930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.347348][  T930]  ? 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)
[   60.347351][  T930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.347354][  T930]  put_chars (drivers/char/virtio_console.c:1176)
[   60.347357][  T930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.347363][  T930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.347370][  T930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.347372][  T930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.347377][  T930]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.347380][  T930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.347382][  T930]  ? 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))
[   60.347386][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.347390][  T930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.347394][  T930]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.347398][  T930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.347400][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.347405][  T930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.347408][  T930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.347410][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.347412][  T930]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   60.347416][  T930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.347418][  T930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.347421][  T930]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.347425][  T930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.347429][  T930]  ? __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)
[   60.347432][  T930]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   60.347433][  T930]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   60.347436][  T930]  _printk (kernel/printk/printk.c:2504)
[   60.347440][  T930]  ? snapshot_read.cold (user.c:?)
[   60.347444][  T930]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   60.347459][  T930]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   60.347463][  T930] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   60.347474][  T930] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   60.347482][  T930] new_nbp (net/bridge/br_if.c:449) bridge
[   60.347492][  T930] br_add_if (net/bridge/br_if.c:592) bridge
[   60.347499][  T930]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   60.347505][  T930]  do_set_master (net/core/rtnetlink.c:3071)
[   60.347510][  T930]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   60.347514][  T930]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   60.347516][  T930]  ? __dev_get_by_name (net/core/dev.c:905)
[   60.347519][  T930]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   60.347528][  T930]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   60.347537][  T930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.347544][  T930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.347546][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.347553][  T930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.347557][  T930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.347560][  T930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.347563][  T930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.347564][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.347569][  T930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.347571][  T930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.347575][  T930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.347578][  T930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.347581][  T930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.347588][  T930]  ? 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))
[   60.347589][  T930]  ? 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))
[   60.347594][  T930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.347598][  T930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.347600][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.347605][  T930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.347608][  T930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.347612][  T930]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   60.347618][  T930]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   60.347622][  T930]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.347624][  T930]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   60.347626][  T930]  ? move_addr_to_kernel (net/socket.c:258)
[   60.347630][  T930]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   60.347632][  T930]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   60.347637][  T930]  ___sys_sendmsg (net/socket.c:2767)
[   60.347640][  T930]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.347656][  T930]  __sys_sendmsg (net/socket.c:2799)
[   60.347659][  T930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.347665][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.347667][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.347671][  T930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.347674][  T930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.347677][  T930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.347679][  T930] RIP: 0033:0x7fbf0a8d754e
[   60.347685][  T930] 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
[   60.347686][  T930] RSP: 002b:00007fffdf9f96d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.347689][  T930] RAX: ffffffffffffffda RBX: 00007fffdf9f9e88 RCX: 00007fbf0a8d754e
[   60.347691][  T930] RDX: 0000000000000000 RSI: 00007fffdf9f9780 RDI: 0000000000000005
[   60.347692][  T930] RBP: 00007fffdf9f96e0 R08: 0000000000000000 R09: 0000000000000000
[   60.347693][  T930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd67
[   60.347693][  T930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdf9f9e40
| [   61.357702][  T966] softirqs last disabled at (16456): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   61.357704][  T966] Preemption disabled at:
| [   61.357705][  T966] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.357714][  T966] Tainted: [W]=WARN
[   61.357715][  T966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.357716][  T966] Call Trace:
[   61.357718][  T966]  <TASK>
[   61.357720][  T966]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.357726][  T966]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.357728][  T966]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.357733][  T966]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.357737][  T966]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.357742][  T966]  __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))
[   61.357744][  T966]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.357750][  T966]  ? 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)
[   61.357753][  T966]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.357756][  T966]  put_chars (drivers/char/virtio_console.c:1176)
[   61.357759][  T966]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.357770][  T966]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.357780][  T966]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.357783][  T966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.357787][  T966]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.357791][  T966]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.357793][  T966]  ? 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))
[   61.357796][  T966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.357800][  T966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.357804][  T966]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.357808][  T966]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.357810][  T966]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.357816][  T966]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.357818][  T966]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.357820][  T966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.357823][  T966]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   61.357826][  T966]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.357828][  T966]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.357832][  T966]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.357836][  T966]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.357839][  T966]  ? __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)
[   61.357842][  T966]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.357843][  T966]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.357847][  T966]  _printk (kernel/printk/printk.c:2504)
[   61.357850][  T966]  ? snapshot_read.cold (user.c:?)
[   61.357853][  T966]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   61.357869][  T966]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   61.357874][  T966] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   61.357884][  T966] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   61.357893][  T966] new_nbp (net/bridge/br_if.c:449) bridge
[   61.357902][  T966] br_add_if (net/bridge/br_if.c:592) bridge
[   61.357910][  T966]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   61.357915][  T966]  do_set_master (net/core/rtnetlink.c:3071)
[   61.357920][  T966]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   61.357924][  T966]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   61.357926][  T966]  ? __dev_get_by_name (net/core/dev.c:905)
[   61.357929][  T966]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   61.357938][  T966]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   61.357946][  T966]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.357953][  T966]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.357955][  T966]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.357962][  T966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.357965][  T966]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.357968][  T966]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.357971][  T966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.357972][  T966]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.357977][  T966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.357979][  T966]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.357983][  T966]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.357986][  T966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.357989][  T966]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.357995][  T966]  ? 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))
[   61.357997][  T966]  ? 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))
[   61.358001][  T966]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.358005][  T966]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.358008][  T966]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.358012][  T966]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.358016][  T966]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.358020][  T966]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   61.358026][  T966]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.358029][  T966]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.358032][  T966]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   61.358033][  T966]  ? move_addr_to_kernel (net/socket.c:258)
[   61.358037][  T966]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   61.358040][  T966]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   61.358045][  T966]  ___sys_sendmsg (net/socket.c:2767)
[   61.358048][  T966]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.358064][  T966]  __sys_sendmsg (net/socket.c:2799)
[   61.358072][  T966]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.358078][  T966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.358080][  T966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.358084][  T966]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.358087][  T966]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.358090][  T966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.358092][  T966] RIP: 0033:0x7fc7db0d354e
[   61.358096][  T966] 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
[   61.358098][  T966] RSP: 002b:00007ffe4ed63be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.358101][  T966] RAX: ffffffffffffffda RBX: 00007ffe4ed64398 RCX: 00007fc7db0d354e
[   61.358102][  T966] RDX: 0000000000000000 RSI: 00007ffe4ed63c90 RDI: 0000000000000005
[   61.358103][  T966] RBP: 00007ffe4ed63bf0 R08: 0000000000000000 R09: 0000000000000000
[   61.358104][  T966] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd68
[   61.358105][  T966] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4ed64350
| [   62.403592][ T1003] softirqs last disabled at (27364): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   62.403595][ T1003] Preemption disabled at:
| [   62.403596][ T1003] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.403606][ T1003] Tainted: [W]=WARN
[   62.403607][ T1003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.403609][ T1003] Call Trace:
[   62.403611][ T1003]  <TASK>
[   62.403613][ T1003]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.403620][ T1003]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.403623][ T1003]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.403628][ T1003]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.403633][ T1003]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   62.403640][ T1003]  __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))
[   62.403643][ T1003]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.403650][ T1003]  ? 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)
[   62.403653][ T1003]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.403657][ T1003]  put_chars (drivers/char/virtio_console.c:1176)
[   62.403660][ T1003]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.403668][ T1003]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.403676][ T1003]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.403679][ T1003]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.403686][ T1003]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.403691][ T1003]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.403693][ T1003]  ? 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))
[   62.403696][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.403700][ T1003]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.403705][ T1003]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.403709][ T1003]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.403711][ T1003]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.403717][ T1003]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.403720][ T1003]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.403722][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.403724][ T1003]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.403728][ T1003]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.403729][ T1003]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.403733][ T1003]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.403738][ T1003]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.403741][ T1003]  ? __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)
[   62.403744][ T1003]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.403745][ T1003]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   62.403749][ T1003]  _printk (kernel/printk/printk.c:2504)
[   62.403753][ T1003]  ? snapshot_read.cold (user.c:?)
[   62.403757][ T1003]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   62.403778][ T1003]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   62.403784][ T1003] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   62.403795][ T1003] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   62.403805][ T1003] new_nbp (net/bridge/br_if.c:449) bridge
[   62.403816][ T1003] br_add_if (net/bridge/br_if.c:592) bridge
[   62.403824][ T1003]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   62.403830][ T1003]  do_set_master (net/core/rtnetlink.c:3071)
[   62.403835][ T1003]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   62.403839][ T1003]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   62.403841][ T1003]  ? __dev_get_by_name (net/core/dev.c:905)
[   62.403844][ T1003]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   62.403853][ T1003]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   62.403860][ T1003]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.403866][ T1003]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.403868][ T1003]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.403875][ T1003]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.403879][ T1003]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.403882][ T1003]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.403885][ T1003]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.403886][ T1003]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.403891][ T1003]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.403893][ T1003]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.403897][ T1003]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.403900][ T1003]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.403903][ T1003]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.403910][ T1003]  ? 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))
[   62.403912][ T1003]  ? 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))
[   62.403917][ T1003]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.403921][ T1003]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.403924][ T1003]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.403929][ T1003]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.403933][ T1003]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.403938][ T1003]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   62.403944][ T1003]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.403948][ T1003]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.403952][ T1003]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.403954][ T1003]  ? move_addr_to_kernel (net/socket.c:258)
[   62.403959][ T1003]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   62.403961][ T1003]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   62.403967][ T1003]  ___sys_sendmsg (net/socket.c:2767)
[   62.403970][ T1003]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.403988][ T1003]  __sys_sendmsg (net/socket.c:2799)
[   62.403992][ T1003]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.403998][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.404000][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.404004][ T1003]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.404007][ T1003]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.404010][ T1003]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.404012][ T1003] RIP: 0033:0x7fad8bd0254e
[   62.404016][ T1003] 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
[   62.404018][ T1003] RSP: 002b:00007fffc7ceb6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.404021][ T1003] RAX: ffffffffffffffda RBX: 00007fffc7cebe78 RCX: 00007fad8bd0254e
[   62.404022][ T1003] RDX: 0000000000000000 RSI: 00007fffc7ceb770 RDI: 0000000000000005
[   62.404023][ T1003] RBP: 00007fffc7ceb6d0 R08: 0000000000000000 R09: 0000000000000000
[   62.404024][ T1003] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd69
[   62.404025][ T1003] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc7cebe30
| [   70.478850][ T1162] softirqs last disabled at (21627): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   70.478852][ T1162] Preemption disabled at:
| [   70.478853][ T1162] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.478862][ T1162] Tainted: [W]=WARN
[   70.478863][ T1162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.478865][ T1162] Call Trace:
[   70.478866][ T1162]  <TASK>
[   70.478868][ T1162]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.478874][ T1162]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.478876][ T1162]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.478881][ T1162]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.478885][ T1162]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   70.478891][ T1162]  __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))
[   70.478893][ T1162]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.478899][ T1162]  ? 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)
[   70.478902][ T1162]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.478905][ T1162]  put_chars (drivers/char/virtio_console.c:1176)
[   70.478908][ T1162]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.478909][ T1162]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   70.478913][ T1162]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   70.478917][ T1162]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.478920][ T1162]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   70.478921][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.478923][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.478927][ T1162]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.478929][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.478933][ T1162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.478937][ T1162]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.478941][ T1162]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.478943][ T1162]  ? 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))
[   70.478946][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.478950][ T1162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.478954][ T1162]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.478958][ T1162]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.478960][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.478965][ T1162]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.478968][ T1162]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.478970][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.478972][ T1162]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   70.478976][ T1162]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.478978][ T1162]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.478981][ T1162]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.478985][ T1162]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.478991][ T1162]  _printk (kernel/printk/printk.c:2504)
[   70.478995][ T1162]  ? snapshot_read.cold (user.c:?)
[   70.478996][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.478999][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.479001][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.479003][ T1162]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.479007][ T1162]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.479010][ T1162]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.479014][ T1162]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.479016][ T1162]  ? netdev_notice (net/core/dev.c:13194)
[   70.479018][ T1162]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.479028][ T1162]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   70.479032][ T1162]  dev_set_allmulti (net/core/dev_api.c:315)
[   70.479035][ T1162] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   70.479050][ T1162]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.479055][ T1162] br_dev_delete (net/bridge/br_if.c:387) bridge
[   70.479064][ T1162]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   70.479067][ T1162]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   70.479069][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.479070][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.479072][ T1162]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   70.479095][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.479097][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.479099][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.479101][ T1162]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   70.479104][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.479108][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.479110][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.479112][ T1162]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   70.479115][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.479118][ T1162]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   70.479121][ T1162]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.479131][ T1162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.479133][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.479137][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.479139][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.479142][ T1162]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.479146][ T1162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.479149][ T1162]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.479155][ T1162]  ? 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))
[   70.479156][ T1162]  ? 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))
[   70.479161][ T1162]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.479165][ T1162]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.479167][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.479172][ T1162]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.479175][ T1162]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.479179][ T1162]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   70.479185][ T1162]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.479188][ T1162]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.479191][ T1162]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   70.479192][ T1162]  ? move_addr_to_kernel (net/socket.c:258)
[   70.479200][ T1162]  ___sys_sendmsg (net/socket.c:2767)
[   70.479203][ T1162]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.479219][ T1162]  __sys_sendmsg (net/socket.c:2799)
[   70.479222][ T1162]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.479228][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.479232][ T1162]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.479234][ T1162]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.479238][ T1162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.479240][ T1162] RIP: 0033:0x7f5a5074b54e
[   70.479244][ T1162] 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
[   70.479245][ T1162] RSP: 002b:00007ffe1882abd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.479248][ T1162] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5a5074b54e
[   70.479250][ T1162] RDX: 0000000000000000 RSI: 00007ffe1882ac80 RDI: 0000000000000005
[   70.479250][ T1162] RBP: 00007ffe1882abe0 R08: 0000000000000000 R09: 0000000000000000
[   70.479251][ T1162] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd71
[   70.479252][ T1162] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1882b340
| [   72.958182][ T1200] softirqs last disabled at (14040): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   72.958184][ T1200] Preemption disabled at:
| [   72.958185][ T1200] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.958195][ T1200] Tainted: [W]=WARN
[   72.958196][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.958198][ T1200] Call Trace:
[   72.958199][ T1200]  <TASK>
[   72.958201][ T1200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.958207][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.958210][ T1200]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.958214][ T1200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.958219][ T1200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.958224][ T1200]  __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))
[   72.958226][ T1200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.958232][ T1200]  ? 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)
[   72.958235][ T1200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.958238][ T1200]  put_chars (drivers/char/virtio_console.c:1176)
[   72.958241][ T1200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.958244][ T1200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.958248][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.958251][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.958254][ T1200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.958257][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   72.958259][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.958261][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.958265][ T1200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.958266][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.958271][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.958275][ T1200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.958279][ T1200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.958280][ T1200]  ? 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))
[   72.958284][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.958286][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.958290][ T1200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.958294][ T1200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.958296][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.958301][ T1200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.958304][ T1200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.958306][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.958308][ T1200]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.958312][ T1200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.958314][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.958317][ T1200]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.958321][ T1200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.958327][ T1200]  _printk (kernel/printk/printk.c:2504)
[   72.958331][ T1200]  ? snapshot_read.cold (user.c:?)
[   72.958333][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.958335][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.958337][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.958340][ T1200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.958343][ T1200]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.958347][ T1200]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.958350][ T1200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.958353][ T1200]  ? netdev_notice (net/core/dev.c:13194)
[   72.958354][ T1200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.958364][ T1200]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   72.958369][ T1200]  dev_set_allmulti (net/core/dev_api.c:315)
[   72.958372][ T1200] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   72.958385][ T1200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   72.958390][ T1200] br_dev_delete (net/bridge/br_if.c:387) bridge
[   72.958401][ T1200]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   72.958403][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   72.958405][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.958407][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.958409][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   72.958431][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.958433][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.958436][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.958438][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   72.958441][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.958445][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.958447][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.958449][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   72.958452][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.958455][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   72.958458][ T1200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.958462][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.958463][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.958467][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.958469][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.958473][ T1200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.958476][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.958479][ T1200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.958485][ T1200]  ? 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))
[   72.958487][ T1200]  ? 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))
[   72.958491][ T1200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.958495][ T1200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.958498][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.958502][ T1200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.958506][ T1200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.958510][ T1200]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   72.958515][ T1200]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.958519][ T1200]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.958521][ T1200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.958523][ T1200]  ? move_addr_to_kernel (net/socket.c:258)
[   72.958530][ T1200]  ___sys_sendmsg (net/socket.c:2767)
[   72.958533][ T1200]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.958550][ T1200]  __sys_sendmsg (net/socket.c:2799)
[   72.958553][ T1200]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.958559][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.958563][ T1200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.958565][ T1200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.958568][ T1200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.958571][ T1200] RIP: 0033:0x7f0e253bf54e
[   72.958574][ T1200] 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
[   72.958576][ T1200] RSP: 002b:00007fffe9d89870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.958578][ T1200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0e253bf54e
[   72.958580][ T1200] RDX: 0000000000000000 RSI: 00007fffe9d89920 RDI: 0000000000000005
[   72.958581][ T1200] RBP: 00007fffe9d89880 R08: 0000000000000000 R09: 0000000000000000
[   72.958582][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd74
[   72.958582][ T1200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe9d89fe0
| [   73.658368][    C0]
| [   73.658449][    C0]
| [   73.658449][    C0] stack backtrace:
| [   73.658661][    C0] Tainted: [W]=WARN
[   73.658662][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.658664][    C0] Call Trace:
[   73.658665][    C0]  <IRQ>
[   73.658667][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.658672][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   73.658675][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   73.658678][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   73.658680][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   73.658682][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   73.658684][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.658686][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   73.658695][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.658699][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.658701][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   73.658707][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   73.658709][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   73.658716][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   73.658723][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   73.658729][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   73.658732][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   73.658734][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   73.658738][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.658740][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.658742][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.658744][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   73.658746][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   73.658753][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   73.658755][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.658758][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.658760][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   73.658764][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   73.658766][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.658770][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.658774][    C0]  handle_softirqs (kernel/softirq.c:645)
[   73.658777][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.658779][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   73.658781][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   73.658783][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   73.658784][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   73.658787][    C0]  </IRQ>
[   73.658787][    C0]  <TASK>
[   73.658788][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   73.658790][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   73.658792][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   73.658795][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   73.658797][    C0] RSP: 0018:ffffffffa4207cf8 EFLAGS: 00000296
[   73.658799][    C0] RAX: 00000000002bad81 RBX: ffffffffa421c600 RCX: ffffffffa12f0307
[   73.658801][    C0] RDX: ffffffffa421c600 RSI: ffffffffa4038b01 RDI: ffffffffa3a8d8e0
[   73.658802][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   73.658803][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4840fa2
[   73.658803][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   73.658805][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   73.658807][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   73.658809][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   73.658811][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   73.658812][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   73.658814][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   73.658816][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   73.658818][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.658820][    C0]  do_idle (kernel/sched/idle.c:355)
[   73.658822][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   73.658823][    C0]  rest_init (init/main.c:727)
[   73.658825][    C0]  ? __cpuidle_text_end (??:?)
[   73.658828][    C0]  ? rest_init (init/main.c:727)
[   73.658830][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   73.658834][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   73.658837][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   73.658839][    C0]  start_kernel (init/main.c:1185)
[   73.658841][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   73.658843][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   73.658844][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   75.397412][ T1238] softirqs last disabled at (0): 0x0
| [   75.397415][ T1238] Preemption disabled at:
| [   75.397416][ T1238] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.397430][ T1238] Tainted: [W]=WARN
[   75.397431][ T1238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.397433][ T1238] Call Trace:
[   75.397435][ T1238]  <TASK>
[   75.397437][ T1238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.397445][ T1238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.397447][ T1238]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.397452][ T1238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.397457][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397462][ T1238]  __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))
[   75.397466][ T1238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   75.397470][ T1238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.397475][ T1238]  ? 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)
[   75.397478][ T1238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.397481][ T1238]  put_chars (drivers/char/virtio_console.c:1176)
[   75.397484][ T1238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.397486][ T1238]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   75.397489][ T1238]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   75.397493][ T1238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.397498][ T1238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.397500][ T1238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   75.397503][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.397506][ T1238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.397510][ T1238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.397513][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397515][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397518][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397520][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.397523][ T1238]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   75.397526][ T1238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.397529][ T1238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.397533][ T1238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.397537][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.397540][ T1238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.397543][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397545][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.397547][ T1238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   75.397549][ T1238]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   75.397553][ T1238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.397555][ T1238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.397558][ T1238]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.397562][ T1238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.397565][ T1238]  ? __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)
[   75.397569][ T1238]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   75.397571][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397575][ T1238]  _printk (kernel/printk/printk.c:2504)
[   75.397579][ T1238]  ? snapshot_read.cold (user.c:?)
[   75.397582][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397584][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.397587][ T1238]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   75.397591][ T1238] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   75.397610][ T1238] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   75.397623][ T1238] new_nbp (net/bridge/br_if.c:449) bridge
[   75.397637][ T1238] br_add_if (net/bridge/br_if.c:592) bridge
[   75.397650][ T1238]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   75.397654][ T1238]  do_set_master (net/core/rtnetlink.c:3071)
[   75.397660][ T1238]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   75.397663][ T1238]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   75.397665][ T1238]  ? __dev_get_by_name (net/core/dev.c:905)
[   75.397668][ T1238]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   75.397674][ T1238]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   75.397678][ T1238]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.397684][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397687][ T1238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.397689][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.397691][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397694][ T1238]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   75.397699][ T1238]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.397702][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397705][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397708][ T1238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   75.397712][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.397714][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397717][ T1238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.397719][ T1238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.397722][ T1238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.397724][ T1238]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.397728][ T1238]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.397734][ T1238]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.397738][ T1238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.397740][ T1238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   75.397743][ T1238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.397745][ T1238]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   75.397749][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397752][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.397755][ T1238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.397758][ T1238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.397761][ T1238]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   75.397765][ T1238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.397767][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397771][ T1238]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.397774][ T1238]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.397777][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397780][ T1238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.397783][ T1238]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.397787][ T1238]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.397789][ T1238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   75.397791][ T1238]  ? move_addr_to_kernel (net/socket.c:258)
[   75.397795][ T1238]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   75.397798][ T1238]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   75.397803][ T1238]  ___sys_sendmsg (net/socket.c:2767)
[   75.397806][ T1238]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.397814][ T1238]  __sys_sendmsg (net/socket.c:2799)
[   75.397817][ T1238]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.397821][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397824][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.397827][ T1238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.397830][ T1238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.397833][ T1238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.397836][ T1238] RIP: 0033:0x7f35c046354e
[   75.397839][ T1238] 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
[   75.397842][ T1238] RSP: 002b:00007ffc137d1e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.397846][ T1238] RAX: ffffffffffffffda RBX: 00007ffc137d25c8 RCX: 00007f35c046354e
[   75.397848][ T1238] RDX: 0000000000000000 RSI: 00007ffc137d1ec0 RDI: 0000000000000005
[   75.397850][ T1238] RBP: 00007ffc137d1e20 R08: 0000000000000000 R09: 0000000000000000
[   75.397852][ T1238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd76
[   75.397853][ T1238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc137d2580
| [   76.424843][ T1297] softirqs last disabled at (0): 0x0
| [   76.424845][ T1297] Preemption disabled at:
| [   76.424846][ T1297] vprintk_emit (kernel/printk/printk.c:2471)
| [   76.424857][ T1297] Tainted: [W]=WARN
[   76.424858][ T1297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.424859][ T1297] Call Trace:
[   76.424861][ T1297]  <TASK>
[   76.424862][ T1297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.424868][ T1297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   76.424870][ T1297]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.424874][ T1297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.424877][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.424881][ T1297]  __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))
[   76.424885][ T1297]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.424887][ T1297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.424891][ T1297]  ? 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)
[   76.424893][ T1297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.424895][ T1297]  put_chars (drivers/char/virtio_console.c:1176)
[   76.424897][ T1297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.424898][ T1297]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   76.424900][ T1297]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   76.424903][ T1297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.424906][ T1297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.424907][ T1297]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.424909][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.424911][ T1297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.424913][ T1297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.424915][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.424917][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.424918][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.424920][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.424922][ T1297]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   76.424924][ T1297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.424926][ T1297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.424929][ T1297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.424930][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.424932][ T1297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.424934][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.424935][ T1297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.424937][ T1297]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   76.424938][ T1297]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   76.424940][ T1297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.424942][ T1297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.424944][ T1297]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.424947][ T1297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.424949][ T1297]  ? __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)
[   76.424953][ T1297]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   76.424954][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.424956][ T1297]  _printk (kernel/printk/printk.c:2504)
[   76.424959][ T1297]  ? snapshot_read.cold (user.c:?)
[   76.424961][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.424963][ T1297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.424964][ T1297]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   76.424967][ T1297] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   76.424980][ T1297] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   76.424988][ T1297] new_nbp (net/bridge/br_if.c:449) bridge
[   76.424997][ T1297] br_add_if (net/bridge/br_if.c:592) bridge
[   76.425004][ T1297]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   76.425006][ T1297]  do_set_master (net/core/rtnetlink.c:3071)
[   76.425010][ T1297]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   76.425012][ T1297]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   76.425014][ T1297]  ? __dev_get_by_name (net/core/dev.c:905)
[   76.425016][ T1297]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   76.425020][ T1297]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   76.425022][ T1297]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   76.425024][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425026][ T1297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.425027][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.425029][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425031][ T1297]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   76.425034][ T1297]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   76.425036][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425038][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425039][ T1297]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   76.425043][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.425045][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425047][ T1297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.425048][ T1297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   76.425050][ T1297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.425051][ T1297]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   76.425054][ T1297]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   76.425058][ T1297]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   76.425061][ T1297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.425062][ T1297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.425064][ T1297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   76.425065][ T1297]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   76.425067][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425069][ T1297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.425071][ T1297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.425073][ T1297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   76.425075][ T1297]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[   76.425078][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.425079][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425081][ T1297]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.425083][ T1297]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   76.425085][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425087][ T1297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.425089][ T1297]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   76.425092][ T1297]  ? copy_msghdr_from_user (net/socket.c:2650)
[   76.425093][ T1297]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   76.425095][ T1297]  ? move_addr_to_kernel (net/socket.c:258)
[   76.425097][ T1297]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   76.425099][ T1297]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   76.425103][ T1297]  ___sys_sendmsg (net/socket.c:2767)
[   76.425105][ T1297]  ? copy_msghdr_from_user (net/socket.c:2619)
[   76.425109][ T1297]  __sys_sendmsg (net/socket.c:2799)
[   76.425111][ T1297]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   76.425114][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425116][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.425118][ T1297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.425120][ T1297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   76.425122][ T1297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.425124][ T1297] RIP: 0033:0x7f25b8db454e
[   76.425126][ T1297] 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
[   76.425128][ T1297] RSP: 002b:00007fffad26b080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   76.425131][ T1297] RAX: ffffffffffffffda RBX: 00007fffad26b838 RCX: 00007f25b8db454e
[   76.425133][ T1297] RDX: 0000000000000000 RSI: 00007fffad26b130 RDI: 0000000000000005
[   76.425134][ T1297] RBP: 00007fffad26b090 R08: 0000000000000000 R09: 0000000000000000
[   76.425134][ T1297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd77
[   76.425135][ T1297] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffad26b7f0
| [   77.425044][ T1351] softirqs last disabled at (0): 0x0
| [   77.425046][ T1351] Preemption disabled at:
| [   77.425047][ T1351] 0x0
| [   77.425055][ T1351] Tainted: [W]=WARN
[   77.425056][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.425058][ T1351] Call Trace:
[   77.425059][ T1351]  <TASK>
[   77.425061][ T1351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.425067][ T1351]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.425071][ T1351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.425074][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425078][ T1351]  __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))
[   77.425082][ T1351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   77.425085][ T1351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.425089][ T1351]  ? 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)
[   77.425090][ T1351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.425092][ T1351]  put_chars (drivers/char/virtio_console.c:1176)
[   77.425094][ T1351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.425095][ T1351]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   77.425099][ T1351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.425102][ T1351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.425104][ T1351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   77.425105][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425107][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.425109][ T1351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.425112][ T1351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.425114][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425115][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425117][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425119][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.425121][ T1351]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   77.425123][ T1351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.425125][ T1351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.425128][ T1351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.425129][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.425131][ T1351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.425133][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425134][ T1351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.425136][ T1351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   77.425137][ T1351]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   77.425139][ T1351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.425141][ T1351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.425143][ T1351]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.425146][ T1351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.425147][ T1351]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   77.425151][ T1351]  ? br_vlan_stats_fill (./include/linux/skbuff.h:2718) bridge
[   77.425164][ T1351]  _printk (kernel/printk/printk.c:2504)
[   77.425167][ T1351]  ? snapshot_read.cold (user.c:?)
[   77.425175][ T1351]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   77.425177][ T1351] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   77.425188][ T1351] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   77.425196][ T1351] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   77.425203][ T1351] br_add_if (net/bridge/br_if.c:679) bridge
[   77.425213][ T1351]  do_set_master (net/core/rtnetlink.c:3071)
[   77.425217][ T1351]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   77.425219][ T1351]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   77.425220][ T1351]  ? __dev_get_by_name (net/core/dev.c:905)
[   77.425223][ T1351]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   77.425226][ T1351]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   77.425229][ T1351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.425231][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425233][ T1351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.425234][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.425236][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425238][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   77.425241][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   77.425244][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425245][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425247][ T1351]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   77.425251][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.425253][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425254][ T1351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.425256][ T1351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.425258][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.425259][ T1351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   77.425262][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   77.425266][ T1351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.425267][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.425269][ T1351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.425270][ T1351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.425271][ T1351]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   77.425274][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425276][ T1351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.425278][ T1351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.425280][ T1351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.425281][ T1351]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[   77.425284][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.425286][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425288][ T1351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.425290][ T1351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.425292][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425294][ T1351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.425296][ T1351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.425299][ T1351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.425300][ T1351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   77.425302][ T1351]  ? move_addr_to_kernel (net/socket.c:258)
[   77.425304][ T1351]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   77.425307][ T1351]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   77.425310][ T1351]  ___sys_sendmsg (net/socket.c:2767)
[   77.425312][ T1351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.425317][ T1351]  __sys_sendmsg (net/socket.c:2799)
[   77.425319][ T1351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.425322][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425324][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.425326][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.425329][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.425331][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.425333][ T1351] RIP: 0033:0x7f168fb4954e
[   77.425335][ T1351] 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
[   77.425337][ T1351] RSP: 002b:00007ffed452cb70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.425341][ T1351] RAX: ffffffffffffffda RBX: 00007ffed452d328 RCX: 00007f168fb4954e
[   77.425343][ T1351] RDX: 0000000000000000 RSI: 00007ffed452cc20 RDI: 0000000000000005
[   77.425344][ T1351] RBP: 00007ffed452cb80 R08: 0000000000000000 R09: 0000000000000000
[   77.425344][ T1351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd78
[   77.425346][ T1351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed452d2e0
| [  126.594572][T17900] softirqs last disabled at (0): 0x0
| [  126.594574][T17900] Preemption disabled at:
| [  126.594575][T17900] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.594587][T17900] Tainted: [W]=WARN
[  126.594588][T17900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.594590][T17900] Call Trace:
[  126.594591][T17900]  <TASK>
[  126.594593][T17900]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.594598][T17900]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.594601][T17900]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.594605][T17900]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.594608][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594612][T17900]  __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))
[  126.594616][T17900]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.594619][T17900]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.594622][T17900]  ? 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)
[  126.594624][T17900]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.594626][T17900]  put_chars (drivers/char/virtio_console.c:1176)
[  126.594628][T17900]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.594630][T17900]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  126.594632][T17900]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.594636][T17900]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.594637][T17900]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.594639][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594641][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.594643][T17900]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.594645][T17900]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.594647][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594649][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594651][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594652][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.594654][T17900]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  126.594656][T17900]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.594659][T17900]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.594661][T17900]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.594663][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.594665][T17900]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.594666][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594668][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.594670][T17900]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  126.594671][T17900]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  126.594673][T17900]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.594675][T17900]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.594677][T17900]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.594682][T17900]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.594684][T17900]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.594687][T17900]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  126.594691][T17900]  ? ___sys_sendmsg (net/socket.c:2767)
[  126.594692][T17900]  ? __sys_sendmsg (net/socket.c:2799)
[  126.594694][T17900]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.594697][T17900]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.594699][T17900]  _printk (kernel/printk/printk.c:2504)
[  126.594703][T17900]  ? snapshot_read.cold (user.c:?)
[  126.594704][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594706][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594708][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594710][T17900]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  126.594713][T17900]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  126.594716][T17900]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  126.594718][T17900]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  126.594720][T17900]  ? netdev_notice (net/core/dev.c:13194)
[  126.594721][T17900]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  126.594724][T17900]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  126.594726][T17900]  ? 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)
[  126.594728][T17900]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  126.594731][T17900]  dev_set_allmulti (net/core/dev_api.c:315)
[  126.594734][T17900] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  126.594747][T17900]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  126.594750][T17900] br_dev_delete (net/bridge/br_if.c:387) bridge
[  126.594758][T17900]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  126.594761][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.594764][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594767][T17900]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  126.594769][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594780][T17900]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  126.594783][T17900]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.594785][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594787][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594789][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.594790][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594792][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.594794][T17900]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  126.594797][T17900]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  126.594799][T17900]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  126.594801][T17900]  ? __kernel_text_address (kernel/extable.c:79)
[  126.594803][T17900]  ? write_profile (profile.c:?)
[  126.594805][T17900]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  126.594806][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594808][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594810][T17900]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  126.594814][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.594815][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594817][T17900]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  126.594819][T17900]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.594822][T17900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.594823][T17900]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  126.594824][T17900]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  126.594828][T17900]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.594830][T17900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.594831][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.594833][T17900]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.594834][T17900]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  126.594837][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594838][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.594840][T17900]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.594842][T17900]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.594844][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594846][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594848][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.594850][T17900]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.594852][T17900]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.594854][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594855][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.594857][T17900]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  126.594859][T17900]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.594861][T17900]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  126.594862][T17900]  ? move_addr_to_kernel (net/socket.c:258)
[  126.594864][T17900]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  126.594867][T17900]  ___sys_sendmsg (net/socket.c:2767)
[  126.594868][T17900]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.594873][T17900]  __sys_sendmsg (net/socket.c:2799)
[  126.594875][T17900]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.594878][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.594880][T17900]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.594882][T17900]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.594884][T17900]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.594886][T17900] RIP: 0033:0x7f0036aa454e
[  126.594888][T17900] 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
[  126.594890][T17900] RSP: 002b:00007ffcf2e3fe10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.594894][T17900] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0036aa454e
[  126.594895][T17900] RDX: 0000000000000000 RSI: 00007ffcf2e3fec0 RDI: 0000000000000005
[  126.594896][T17900] RBP: 00007ffcf2e3fe20 R08: 0000000000000000 R09: 0000000000000000
[  126.594897][T17900] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fda9
[  126.594898][T17900] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf2e40580
| [  128.478921][T17937] softirqs last disabled at (0): 0x0
| [  128.478923][T17937] Preemption disabled at:
| [  128.478924][T17937] vprintk_emit (kernel/printk/printk.c:2471)
| [  128.478935][T17937] Tainted: [W]=WARN
[  128.478936][T17937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.478937][T17937] Call Trace:
[  128.478939][T17937]  <TASK>
[  128.478940][T17937]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  128.478946][T17937]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  128.478948][T17937]  __might_resched.cold (kernel/sched/core.c:9234)
[  128.478952][T17937]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  128.478955][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.478959][T17937]  __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))
[  128.478963][T17937]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  128.478965][T17937]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.478969][T17937]  ? 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)
[  128.478971][T17937]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.478973][T17937]  put_chars (drivers/char/virtio_console.c:1176)
[  128.478975][T17937]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  128.478976][T17937]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  128.478979][T17937]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  128.478982][T17937]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  128.478984][T17937]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  128.478985][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.478987][T17937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.478990][T17937]  console_emit_next_record (kernel/printk/printk.c:3183)
[  128.478992][T17937]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  128.478994][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.478996][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.478997][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.478999][T17937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.479001][T17937]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  128.479003][T17937]  console_flush_one_record (kernel/printk/printk.c:3268)
[  128.479005][T17937]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  128.479008][T17937]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  128.479009][T17937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.479011][T17937]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  128.479013][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479014][T17937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.479016][T17937]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  128.479017][T17937]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  128.479019][T17937]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  128.479021][T17937]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  128.479023][T17937]  vprintk_emit (kernel/printk/printk.c:2479)
[  128.479025][T17937]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  128.479027][T17937]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  128.479031][T17937]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  128.479034][T17937]  ? ___sys_sendmsg (net/socket.c:2767)
[  128.479035][T17937]  ? __sys_sendmsg (net/socket.c:2799)
[  128.479037][T17937]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  128.479040][T17937]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  128.479042][T17937]  _printk (kernel/printk/printk.c:2504)
[  128.479046][T17937]  ? snapshot_read.cold (user.c:?)
[  128.479047][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479049][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479051][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479053][T17937]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  128.479056][T17937]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  128.479059][T17937]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  128.479061][T17937]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  128.479063][T17937]  ? netdev_notice (net/core/dev.c:13194)
[  128.479064][T17937]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  128.479067][T17937]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  128.479069][T17937]  ? 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)
[  128.479071][T17937]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  128.479074][T17937]  dev_set_allmulti (net/core/dev_api.c:315)
[  128.479077][T17937] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  128.479089][T17937]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  128.479092][T17937] br_dev_delete (net/bridge/br_if.c:387) bridge
[  128.479099][T17937]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  128.479102][T17937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.479104][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479106][T17937]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  128.479108][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479114][T17937]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  128.479117][T17937]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  128.479118][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479120][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479122][T17937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.479123][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479125][T17937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.479127][T17937]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  128.479130][T17937]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  128.479132][T17937]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  128.479135][T17937]  ? __kernel_text_address (kernel/extable.c:79)
[  128.479136][T17937]  ? write_profile (profile.c:?)
[  128.479138][T17937]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  128.479140][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479141][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479143][T17937]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  128.479147][T17937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.479149][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479150][T17937]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  128.479153][T17937]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  128.479154][T17937]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.479156][T17937]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  128.479157][T17937]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  128.479161][T17937]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  128.479163][T17937]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.479164][T17937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.479165][T17937]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  128.479167][T17937]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  128.479169][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479171][T17937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.479173][T17937]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  128.479175][T17937]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  128.479177][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479178][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479180][T17937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.479182][T17937]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  128.479184][T17937]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  128.479186][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479188][T17937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.479189][T17937]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  128.479191][T17937]  ? copy_msghdr_from_user (net/socket.c:2650)
[  128.479193][T17937]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  128.479194][T17937]  ? move_addr_to_kernel (net/socket.c:258)
[  128.479196][T17937]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  128.479198][T17937]  ___sys_sendmsg (net/socket.c:2767)
[  128.479200][T17937]  ? copy_msghdr_from_user (net/socket.c:2619)
[  128.479205][T17937]  __sys_sendmsg (net/socket.c:2799)
[  128.479207][T17937]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  128.479210][T17937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.479212][T17937]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  128.479213][T17937]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  128.479216][T17937]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  128.479217][T17937] RIP: 0033:0x7efdd383454e
[  128.479219][T17937] 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
[  128.479221][T17937] RSP: 002b:00007ffd0ad9a780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  128.479225][T17937] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efdd383454e
[  128.479227][T17937] RDX: 0000000000000000 RSI: 00007ffd0ad9a830 RDI: 0000000000000005
[  128.479228][T17937] RBP: 00007ffd0ad9a790 R08: 0000000000000000 R09: 0000000000000000
[  128.479228][T17937] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdab
[  128.479229][T17937] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0ad9aef0
| [  130.286919][T17976] softirqs last disabled at (0): 0x0
| [  130.286921][T17976] Preemption disabled at:
| [  130.286922][T17976] vprintk_emit (kernel/printk/printk.c:2471)
| [  130.286933][T17976] Tainted: [W]=WARN
[  130.286934][T17976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  130.286936][T17976] Call Trace:
[  130.286937][T17976]  <TASK>
[  130.286939][T17976]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  130.286944][T17976]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  130.286947][T17976]  __might_resched.cold (kernel/sched/core.c:9234)
[  130.286951][T17976]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  130.286954][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.286958][T17976]  __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))
[  130.286961][T17976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  130.286964][T17976]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  130.286968][T17976]  ? 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)
[  130.286970][T17976]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  130.286972][T17976]  put_chars (drivers/char/virtio_console.c:1176)
[  130.286974][T17976]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  130.286975][T17976]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  130.286977][T17976]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  130.286980][T17976]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  130.286983][T17976]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  130.286984][T17976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  130.286986][T17976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.286988][T17976]  console_emit_next_record (kernel/printk/printk.c:3183)
[  130.286991][T17976]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  130.286993][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.286994][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.286996][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.286998][T17976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.287000][T17976]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  130.287001][T17976]  console_flush_one_record (kernel/printk/printk.c:3268)
[  130.287004][T17976]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  130.287006][T17976]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  130.287008][T17976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.287010][T17976]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  130.287011][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287013][T17976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.287014][T17976]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  130.287016][T17976]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  130.287018][T17976]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  130.287020][T17976]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  130.287022][T17976]  vprintk_emit (kernel/printk/printk.c:2479)
[  130.287025][T17976]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  130.287027][T17976]  ? __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)
[  130.287030][T17976]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  130.287031][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287033][T17976]  _printk (kernel/printk/printk.c:2504)
[  130.287036][T17976]  ? snapshot_read.cold (user.c:?)
[  130.287038][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287040][T17976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.287042][T17976]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  130.287044][T17976] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  130.287057][T17976] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  130.287065][T17976] new_nbp (net/bridge/br_if.c:449) bridge
[  130.287073][T17976] br_add_if (net/bridge/br_if.c:592) bridge
[  130.287081][T17976]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  130.287083][T17976]  do_set_master (net/core/rtnetlink.c:3071)
[  130.287088][T17976]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  130.287090][T17976]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  130.287091][T17976]  ? __dev_get_by_name (net/core/dev.c:905)
[  130.287094][T17976]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  130.287097][T17976]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  130.287100][T17976]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  130.287102][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287104][T17976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  130.287105][T17976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.287107][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287109][T17976]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  130.287112][T17976]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  130.287114][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287116][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287118][T17976]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  130.287122][T17976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.287123][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287125][T17976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  130.287127][T17976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  130.287129][T17976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  130.287130][T17976]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  130.287133][T17976]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  130.287137][T17976]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  130.287140][T17976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  130.287141][T17976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.287143][T17976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  130.287144][T17976]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  130.287147][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287149][T17976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.287150][T17976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  130.287152][T17976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  130.287154][T17976]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  130.287157][T17976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.287159][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287161][T17976]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  130.287163][T17976]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  130.287165][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287167][T17976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.287168][T17976]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  130.287171][T17976]  ? copy_msghdr_from_user (net/socket.c:2650)
[  130.287173][T17976]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  130.287175][T17976]  ? move_addr_to_kernel (net/socket.c:258)
[  130.287177][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287178][T17976]  ? 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)
[  130.287180][T17976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  130.287182][T17976]  ___sys_sendmsg (net/socket.c:2767)
[  130.287184][T17976]  ? copy_msghdr_from_user (net/socket.c:2619)
[  130.287186][T17976]  ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3))
[  130.287190][T17976]  ? 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)
[  130.287192][T17976]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[  130.287195][T17976]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[  130.287198][T17976]  __sys_sendmsg (net/socket.c:2799)
[  130.287200][T17976]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  130.287203][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287205][T17976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.287207][T17976]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  130.287209][T17976]  ? irq_exit_rcu (kernel/softirq.c:786)
[  130.287212][T17976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  130.287214][T17976] RIP: 0033:0x7fb17886654e
[  130.287215][T17976] 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
[  130.287217][T17976] RSP: 002b:00007ffd28dad210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  130.287221][T17976] RAX: ffffffffffffffda RBX: 00007ffd28dad9c8 RCX: 00007fb17886654e
[  130.287223][T17976] RDX: 0000000000000000 RSI: 00007ffd28dad2c0 RDI: 0000000000000005
[  130.287223][T17976] RBP: 00007ffd28dad220 R08: 0000000000000000 R09: 0000000000000000
[  130.287224][T17976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdad
[  130.287225][T17976] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd28dad980
| [  131.319795][T18044] softirqs last disabled at (0): 0x0
| [  131.319796][T18044] Preemption disabled at:
| [  131.319797][T18044] vprintk_emit (kernel/printk/printk.c:2471)
| [  131.319808][T18044] Tainted: [W]=WARN
[  131.319809][T18044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  131.319811][T18044] Call Trace:
[  131.319813][T18044]  <TASK>
[  131.319814][T18044]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  131.319819][T18044]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  131.319821][T18044]  __might_resched.cold (kernel/sched/core.c:9234)
[  131.319825][T18044]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  131.319829][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319833][T18044]  __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))
[  131.319836][T18044]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  131.319839][T18044]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.319843][T18044]  ? 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)
[  131.319844][T18044]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.319846][T18044]  put_chars (drivers/char/virtio_console.c:1176)
[  131.319848][T18044]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  131.319850][T18044]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  131.319852][T18044]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  131.319854][T18044]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  131.319858][T18044]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  131.319859][T18044]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  131.319860][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.319863][T18044]  console_emit_next_record (kernel/printk/printk.c:3183)
[  131.319865][T18044]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  131.319867][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319869][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319870][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319872][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.319874][T18044]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  131.319876][T18044]  console_flush_one_record (kernel/printk/printk.c:3268)
[  131.319878][T18044]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  131.319881][T18044]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  131.319882][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.319884][T18044]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  131.319886][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319887][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.319889][T18044]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  131.319890][T18044]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  131.319892][T18044]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  131.319894][T18044]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  131.319896][T18044]  vprintk_emit (kernel/printk/printk.c:2479)
[  131.319899][T18044]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  131.319901][T18044]  ? __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)
[  131.319904][T18044]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  131.319905][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319907][T18044]  _printk (kernel/printk/printk.c:2504)
[  131.319910][T18044]  ? snapshot_read.cold (user.c:?)
[  131.319912][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319914][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.319916][T18044]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  131.319918][T18044] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  131.319931][T18044] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  131.319938][T18044] new_nbp (net/bridge/br_if.c:449) bridge
[  131.319948][T18044] br_add_if (net/bridge/br_if.c:592) bridge
[  131.319955][T18044]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  131.319958][T18044]  do_set_master (net/core/rtnetlink.c:3071)
[  131.319962][T18044]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  131.319964][T18044]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  131.319965][T18044]  ? __dev_get_by_name (net/core/dev.c:905)
[  131.319968][T18044]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  131.319971][T18044]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  131.319974][T18044]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  131.319976][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319978][T18044]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  131.319979][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.319980][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319983][T18044]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  131.319986][T18044]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  131.319988][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319990][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319992][T18044]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  131.319995][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.319997][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.319999][T18044]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  131.320000][T18044]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  131.320002][T18044]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.320003][T18044]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  131.320006][T18044]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  131.320010][T18044]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  131.320013][T18044]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.320014][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.320016][T18044]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  131.320017][T18044]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  131.320020][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.320022][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.320024][T18044]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  131.320026][T18044]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  131.320027][T18044]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  131.320030][T18044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.320032][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.320034][T18044]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  131.320036][T18044]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  131.320038][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.320039][T18044]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.320041][T18044]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  131.320044][T18044]  ? copy_msghdr_from_user (net/socket.c:2650)
[  131.320046][T18044]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  131.320047][T18044]  ? move_addr_to_kernel (net/socket.c:258)
[  131.320049][T18044]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  131.320052][T18044]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  131.320055][T18044]  ___sys_sendmsg (net/socket.c:2767)
[  131.320057][T18044]  ? copy_msghdr_from_user (net/socket.c:2619)
[  131.320062][T18044]  __sys_sendmsg (net/socket.c:2799)
[  131.320064][T18044]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  131.320067][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.320069][T18044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.320071][T18044]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  131.320073][T18044]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  131.320075][T18044]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.320077][T18044] RIP: 0033:0x7f76f3b3454e
[  131.320079][T18044] 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
[  131.320081][T18044] RSP: 002b:00007ffd3089a330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  131.320085][T18044] RAX: ffffffffffffffda RBX: 00007ffd3089aae8 RCX: 00007f76f3b3454e
[  131.320086][T18044] RDX: 0000000000000000 RSI: 00007ffd3089a3e0 RDI: 0000000000000005
[  131.320087][T18044] RBP: 00007ffd3089a340 R08: 0000000000000000 R09: 0000000000000000
[  131.320088][T18044] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdae
[  131.320089][T18044] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3089aaa0
| [  181.754540][ T2174] softirqs last disabled at (0): 0x0
| [  181.754542][ T2174] Preemption disabled at:
| [  181.754543][ T2174] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.754555][ T2174] Tainted: [W]=WARN
[  181.754556][ T2174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.754558][ T2174] Call Trace:
[  181.754559][ T2174]  <TASK>
[  181.754561][ T2174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.754566][ T2174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.754568][ T2174]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.754572][ T2174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.754575][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754579][ T2174]  __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))
[  181.754583][ T2174]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.754585][ T2174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.754589][ T2174]  ? 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)
[  181.754591][ T2174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.754593][ T2174]  put_chars (drivers/char/virtio_console.c:1176)
[  181.754595][ T2174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.754597][ T2174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  181.754599][ T2174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.754603][ T2174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.754605][ T2174]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.754606][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754608][ T2174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.754610][ T2174]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.754613][ T2174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.754615][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754617][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754619][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754621][ T2174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.754622][ T2174]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  181.754624][ T2174]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.754627][ T2174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.754629][ T2174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.754631][ T2174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.754633][ T2174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.754635][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754636][ T2174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.754638][ T2174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  181.754639][ T2174]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  181.754642][ T2174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.754644][ T2174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.754646][ T2174]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.754648][ T2174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.754650][ T2174]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.754653][ T2174]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  181.754656][ T2174]  ? ___sys_sendmsg (net/socket.c:2767)
[  181.754658][ T2174]  ? __sys_sendmsg (net/socket.c:2799)
[  181.754660][ T2174]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.754662][ T2174]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.754665][ T2174]  _printk (kernel/printk/printk.c:2504)
[  181.754668][ T2174]  ? snapshot_read.cold (user.c:?)
[  181.754670][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754672][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754673][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754675][ T2174]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  181.754678][ T2174]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.754684][ T2174]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.754686][ T2174]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.754687][ T2174]  ? netdev_notice (net/core/dev.c:13194)
[  181.754689][ T2174]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  181.754692][ T2174]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  181.754694][ T2174]  ? 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)
[  181.754696][ T2174]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  181.754699][ T2174]  dev_set_allmulti (net/core/dev_api.c:315)
[  181.754702][ T2174] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  181.754714][ T2174]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  181.754717][ T2174] br_dev_delete (net/bridge/br_if.c:387) bridge
[  181.754725][ T2174]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  181.754728][ T2174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.754730][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754732][ T2174]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.754734][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754741][ T2174]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  181.754744][ T2174]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.754745][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754747][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754749][ T2174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.754750][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754752][ T2174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.754754][ T2174]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  181.754757][ T2174]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  181.754759][ T2174]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  181.754763][ T2174]  ? __kernel_text_address (kernel/extable.c:79)
[  181.754765][ T2174]  ? write_profile (profile.c:?)
[  181.754768][ T2174]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  181.754771][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754773][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754776][ T2174]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  181.754779][ T2174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.754781][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754783][ T2174]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.754785][ T2174]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.754787][ T2174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.754789][ T2174]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.754790][ T2174]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  181.754795][ T2174]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.754796][ T2174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.754798][ T2174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.754799][ T2174]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.754801][ T2174]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  181.754803][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754805][ T2174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.754807][ T2174]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.754809][ T2174]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.754811][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754813][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754814][ T2174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.754816][ T2174]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.754818][ T2174]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.754820][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754822][ T2174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.754824][ T2174]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  181.754826][ T2174]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.754827][ T2174]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  181.754829][ T2174]  ? move_addr_to_kernel (net/socket.c:258)
[  181.754831][ T2174]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.754833][ T2174]  ___sys_sendmsg (net/socket.c:2767)
[  181.754844][ T2174]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.754849][ T2174]  __sys_sendmsg (net/socket.c:2799)
[  181.754851][ T2174]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.754854][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.754857][ T2174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.754858][ T2174]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.754860][ T2174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.754862][ T2174] RIP: 0033:0x7f17d4dda54e
[  181.754864][ T2174] 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
[  181.754866][ T2174] RSP: 002b:00007fff65026470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.754870][ T2174] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f17d4dda54e
[  181.754871][ T2174] RDX: 0000000000000000 RSI: 00007fff65026520 RDI: 0000000000000005
[  181.754872][ T2174] RBP: 00007fff65026480 R08: 0000000000000000 R09: 0000000000000000
[  181.754873][ T2174] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fde1
[  181.754874][ T2174] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff65026be0
| [  183.588650][ T2210] softirqs last disabled at (0): 0x0
| [  183.588652][ T2210] Preemption disabled at:
| [  183.588653][ T2210] vprintk_emit (kernel/printk/printk.c:2471)
| [  183.588664][ T2210] Tainted: [W]=WARN
[  183.588665][ T2210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  183.588667][ T2210] Call Trace:
[  183.588669][ T2210]  <TASK>
[  183.588670][ T2210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  183.588676][ T2210]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  183.588678][ T2210]  __might_resched.cold (kernel/sched/core.c:9234)
[  183.588686][ T2210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  183.588689][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588693][ T2210]  __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))
[  183.588697][ T2210]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.588700][ T2210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.588704][ T2210]  ? 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)
[  183.588706][ T2210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.588708][ T2210]  put_chars (drivers/char/virtio_console.c:1176)
[  183.588710][ T2210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  183.588712][ T2210]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  183.588715][ T2210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  183.588718][ T2210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  183.588720][ T2210]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.588722][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588724][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.588726][ T2210]  console_emit_next_record (kernel/printk/printk.c:3183)
[  183.588728][ T2210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  183.588731][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588732][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588734][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588736][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.588738][ T2210]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  183.588739][ T2210]  console_flush_one_record (kernel/printk/printk.c:3268)
[  183.588742][ T2210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  183.588745][ T2210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  183.588747][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.588748][ T2210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  183.588750][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588752][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.588753][ T2210]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  183.588754][ T2210]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  183.588757][ T2210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  183.588759][ T2210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  183.588761][ T2210]  vprintk_emit (kernel/printk/printk.c:2479)
[  183.588765][ T2210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  183.588767][ T2210]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  183.588772][ T2210]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  183.588776][ T2210]  ? ___sys_sendmsg (net/socket.c:2767)
[  183.588778][ T2210]  ? __sys_sendmsg (net/socket.c:2799)
[  183.588780][ T2210]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  183.588784][ T2210]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  183.588786][ T2210]  _printk (kernel/printk/printk.c:2504)
[  183.588790][ T2210]  ? snapshot_read.cold (user.c:?)
[  183.588792][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588794][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588795][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588797][ T2210]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  183.588800][ T2210]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  183.588803][ T2210]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  183.588805][ T2210]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  183.588807][ T2210]  ? netdev_notice (net/core/dev.c:13194)
[  183.588808][ T2210]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  183.588812][ T2210]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  183.588813][ T2210]  ? 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)
[  183.588815][ T2210]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  183.588818][ T2210]  dev_set_allmulti (net/core/dev_api.c:315)
[  183.588821][ T2210] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  183.588835][ T2210]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  183.588838][ T2210] br_dev_delete (net/bridge/br_if.c:387) bridge
[  183.588845][ T2210]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  183.588857][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.588858][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588860][ T2210]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  183.588863][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588869][ T2210]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  183.588872][ T2210]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  183.588874][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588875][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588877][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.588879][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588881][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.588882][ T2210]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  183.588886][ T2210]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  183.588888][ T2210]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  183.588891][ T2210]  ? __kernel_text_address (kernel/extable.c:79)
[  183.588892][ T2210]  ? write_profile (profile.c:?)
[  183.588894][ T2210]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  183.588896][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588898][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588899][ T2210]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  183.588903][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.588905][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588907][ T2210]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  183.588909][ T2210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  183.588911][ T2210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  183.588912][ T2210]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  183.588914][ T2210]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  183.588918][ T2210]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  183.588920][ T2210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  183.588921][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.588923][ T2210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  183.588924][ T2210]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  183.588927][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588928][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.588931][ T2210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  183.588933][ T2210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  183.588934][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588936][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588938][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.588940][ T2210]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  183.588942][ T2210]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  183.588944][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588946][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.588947][ T2210]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  183.588949][ T2210]  ? copy_msghdr_from_user (net/socket.c:2650)
[  183.588951][ T2210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  183.588953][ T2210]  ? move_addr_to_kernel (net/socket.c:258)
[  183.588954][ T2210]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  183.588957][ T2210]  ___sys_sendmsg (net/socket.c:2767)
[  183.588959][ T2210]  ? copy_msghdr_from_user (net/socket.c:2619)
[  183.588964][ T2210]  __sys_sendmsg (net/socket.c:2799)
[  183.588966][ T2210]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  183.588969][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.588971][ T2210]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  183.588972][ T2210]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  183.588975][ T2210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  183.588976][ T2210] RIP: 0033:0x7fc72b96b54e
[  183.588978][ T2210] 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
[  183.588980][ T2210] RSP: 002b:00007fffd4a97470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  183.588984][ T2210] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc72b96b54e
[  183.588985][ T2210] RDX: 0000000000000000 RSI: 00007fffd4a97520 RDI: 0000000000000005
[  183.588986][ T2210] RBP: 00007fffd4a97480 R08: 0000000000000000 R09: 0000000000000000
[  183.588987][ T2210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fde2
[  183.588988][ T2210] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd4a97be0
| [  197.419452][ T2345] softirqs last disabled at (0): 0x0
| [  197.419454][ T2345] Preemption disabled at:
| [  197.419455][ T2345] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.419467][ T2345] Tainted: [W]=WARN
[  197.419468][ T2345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.419469][ T2345] Call Trace:
[  197.419471][ T2345]  <TASK>
[  197.419472][ T2345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.419477][ T2345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.419479][ T2345]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.419483][ T2345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.419487][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419491][ T2345]  __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))
[  197.419495][ T2345]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.419498][ T2345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.419501][ T2345]  ? 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)
[  197.419503][ T2345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.419505][ T2345]  put_chars (drivers/char/virtio_console.c:1176)
[  197.419507][ T2345]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  197.419508][ T2345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.419510][ T2345]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  197.419513][ T2345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.419516][ T2345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.419517][ T2345]  ? 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)
[  197.419519][ T2345]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.419520][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419522][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419524][ T2345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.419526][ T2345]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.419529][ T2345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.419531][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419532][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419534][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419536][ T2345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.419538][ T2345]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  197.419540][ T2345]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.419542][ T2345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.419545][ T2345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.419547][ T2345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.419548][ T2345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.419550][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419552][ T2345]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.419553][ T2345]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  197.419555][ T2345]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  197.419557][ T2345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.419559][ T2345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.419561][ T2345]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.419564][ T2345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.419566][ T2345]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  197.419569][ T2345]  _printk (kernel/printk/printk.c:2504)
[  197.419572][ T2345]  ? snapshot_read.cold (user.c:?)
[  197.419575][ T2345]  ? 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)
[  197.419577][ T2345] gact_init_module (net/sched/act_gact.c:180) act_gact
[  197.419579][ T2345]  do_one_initcall (init/main.c:1357)
[  197.419581][ T2345]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  197.419584][ T2345]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  197.419586][ T2345]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  197.419589][ T2345]  do_init_module (kernel/module/main.c:3117)
[  197.419592][ T2345]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  197.419594][ T2345]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  197.419596][ T2345]  load_module (kernel/module/main.c:3593)
[  197.419600][ T2345]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  197.419602][ T2345]  ? __ia32_sys_fsconfig (??:?)
[  197.419605][ T2345]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  197.419609][ T2345]  ? backing_file_read_iter (fs/backing-file.c:211)
[  197.419612][ T2345]  init_module_from_file (kernel/module/main.c:3790)
[  197.419614][ T2345]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  197.419616][ T2345]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  197.419619][ T2345]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.419621][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419622][ T2345]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.419624][ T2345]  ? 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)
[  197.419626][ T2345]  idempotent_init_module (kernel/module/main.c:3802)
[  197.419628][ T2345]  ? init_module_from_file (kernel/module/main.c:3791)
[  197.419631][ T2345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.419633][ T2345]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  197.419637][ T2345]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  197.419639][ T2345]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  197.419641][ T2345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  197.419645][ T2345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  197.419647][ T2345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.419649][ T2345] RIP: 0033:0x7fd18574237d
[  197.419651][ T2345] 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
[  197.419653][ T2345] RSP: 002b:00007ffeb7088658 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  197.419657][ T2345] RAX: ffffffffffffffda RBX: 000055fa56457810 RCX: 00007fd18574237d
[  197.419658][ T2345] RDX: 0000000000000000 RSI: 000055fa1cc3affd RDI: 0000000000000000
[  197.419659][ T2345] RBP: 00007ffeb70886f0 R08: 0000000000000000 R09: 0000000000000000
[  197.419660][ T2345] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa1cc3affd
[  197.419661][ T2345] R13: 000055fa56457960 R14: 0000000000040000 R15: 0000000000000000
| [  214.171039][ T2972] softirqs last disabled at (0): 0x0
| [  214.171040][ T2972] Preemption disabled at:
| [  214.171041][ T2972] 0x0
| [  214.171057][ T2972] Tainted: [W]=WARN
[  214.171058][ T2972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  214.171060][ T2972] Call Trace:
[  214.171061][ T2972]  <TASK>
[  214.171063][ T2972]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  214.171068][ T2972]  __might_resched.cold (kernel/sched/core.c:9234)
[  214.171073][ T2972]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  214.171077][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171081][ T2972]  __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))
[  214.171085][ T2972]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.171088][ T2972]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.171092][ T2972]  ? 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)
[  214.171093][ T2972]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.171095][ T2972]  put_chars (drivers/char/virtio_console.c:1176)
[  214.171098][ T2972]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  214.171099][ T2972]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  214.171103][ T2972]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  214.171106][ T2972]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  214.171108][ T2972]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.171110][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171111][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.171114][ T2972]  console_emit_next_record (kernel/printk/printk.c:3183)
[  214.171116][ T2972]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  214.171118][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171120][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171121][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171123][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.171125][ T2972]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  214.171127][ T2972]  console_flush_one_record (kernel/printk/printk.c:3268)
[  214.171129][ T2972]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  214.171132][ T2972]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  214.171134][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.171135][ T2972]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  214.171137][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171139][ T2972]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.171140][ T2972]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  214.171142][ T2972]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  214.171144][ T2972]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  214.171146][ T2972]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  214.171148][ T2972]  vprintk_emit (kernel/printk/printk.c:2479)
[  214.171150][ T2972]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  214.171152][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171154][ T2972]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  214.171157][ T2972]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  214.171158][ T2972]  _printk (kernel/printk/printk.c:2504)
[  214.171162][ T2972]  ? snapshot_read.cold (user.c:?)
[  214.171164][ T2972]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  214.171169][ T2972] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  214.171182][ T2972] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  214.171191][ T2972] br_device_event (net/bridge/br.c:111) bridge
[  214.171199][ T2972]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  214.171203][ T2972]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  214.171205][ T2972]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  214.171209][ T2972]  notifier_call_chain (kernel/notifier.c:85)
[  214.171212][ T2972]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  214.171216][ T2972]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  214.171217][ T2972]  ? netif_change_name (net/core/dev.c:1517)
[  214.171219][ T2972]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  214.171221][ T2972]  ? __kernel_text_address (kernel/extable.c:79)
[  214.171223][ T2972]  ? write_profile (profile.c:?)
[  214.171226][ T2972]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  214.171229][ T2972]  netif_change_flags (net/core/dev.c:9882)
[  214.171231][ T2972]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  214.171234][ T2972]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  214.171235][ T2972]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  214.171236][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171238][ T2972]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  214.171242][ T2972]  ? kasan_save_stack (mm/kasan/common.c:58)
[  214.171245][ T2972]  ? kasan_save_stack (mm/kasan/common.c:57)
[  214.171247][ T2972]  ? kasan_save_track (mm/kasan/common.c:78)
[  214.171248][ T2972]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  214.171250][ T2972]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  214.171251][ T2972]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  214.171253][ T2972]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  214.171254][ T2972]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  214.171257][ T2972]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  214.171258][ T2972]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  214.171260][ T2972]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  214.171262][ T2972]  ? ___sys_sendmsg (net/socket.c:2767)
[  214.171264][ T2972]  ? __sys_sendmsg (net/socket.c:2799)
[  214.171266][ T2972]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  214.171268][ T2972]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.171270][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171272][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.171274][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171275][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171277][ T2972]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  214.171280][ T2972]  ? __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)
[  214.171282][ T2972]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  214.171283][ T2972]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  214.171285][ T2972]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  214.171287][ T2972]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  214.171289][ T2972]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  214.171291][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171293][ T2972]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  214.171294][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.171296][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171298][ T2972]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  214.171301][ T2972]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  214.171303][ T2972]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  214.171304][ T2972]  ? __kernel_text_address (kernel/extable.c:79)
[  214.171306][ T2972]  ? write_profile (profile.c:?)
[  214.171307][ T2972]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  214.171308][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171310][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171312][ T2972]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  214.171315][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.171317][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171319][ T2972]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  214.171320][ T2972]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  214.171322][ T2972]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.171323][ T2972]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.171324][ T2972]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  214.171327][ T2972]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  214.171328][ T2972]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.171330][ T2972]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.171332][ T2972]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  214.171333][ T2972]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  214.171335][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171337][ T2972]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.171339][ T2972]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  214.171341][ T2972]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  214.171343][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171344][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171346][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.171348][ T2972]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  214.171350][ T2972]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  214.171352][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171353][ T2972]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.171355][ T2972]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  214.171357][ T2972]  ? copy_msghdr_from_user (net/socket.c:2650)
[  214.171358][ T2972]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  214.171360][ T2972]  ? move_addr_to_kernel (net/socket.c:258)
[  214.171362][ T2972]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.171364][ T2972]  ___sys_sendmsg (net/socket.c:2767)
[  214.171366][ T2972]  ? copy_msghdr_from_user (net/socket.c:2619)
[  214.171371][ T2972]  __sys_sendmsg (net/socket.c:2799)
[  214.171373][ T2972]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  214.171375][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.171378][ T2972]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  214.171379][ T2972]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  214.171381][ T2972]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.171383][ T2972] RIP: 0033:0x7f1d36e2454e
[  214.171385][ T2972] 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
[  214.171387][ T2972] RSP: 002b:00007ffedf708e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  214.171391][ T2972] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1d36e2454e
[  214.171393][ T2972] RDX: 0000000000000000 RSI: 00007ffedf708f00 RDI: 0000000000000005
[  214.171394][ T2972] RBP: 00007ffedf708e60 R08: 0000000000000000 R09: 0000000000000000
[  214.171395][ T2972] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe01
[  214.171396][ T2972] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedf7095c0
| [  230.522721][ T3064] softirqs last disabled at (0): 0x0
| [  230.522723][ T3064] Preemption disabled at:
| [  230.522724][ T3064] 0x0
| [  230.522732][ T3064] Tainted: [W]=WARN
[  230.522734][ T3064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  230.522736][ T3064] Call Trace:
[  230.522737][ T3064]  <TASK>
[  230.522738][ T3064]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  230.522744][ T3064]  __might_resched.cold (kernel/sched/core.c:9234)
[  230.522748][ T3064]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  230.522752][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522756][ T3064]  __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))
[  230.522759][ T3064]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  230.522763][ T3064]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  230.522768][ T3064]  ? 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)
[  230.522771][ T3064]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  230.522774][ T3064]  put_chars (drivers/char/virtio_console.c:1176)
[  230.522776][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522779][ T3064]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  230.522782][ T3064]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  230.522785][ T3064]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[  230.522789][ T3064]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[  230.522794][ T3064]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  230.522798][ T3064]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  230.522799][ T3064]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  230.522801][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522803][ T3064]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.522805][ T3064]  console_emit_next_record (kernel/printk/printk.c:3183)
[  230.522808][ T3064]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  230.522810][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522812][ T3064]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.522814][ T3064]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  230.522816][ T3064]  console_flush_one_record (kernel/printk/printk.c:3268)
[  230.522818][ T3064]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  230.522821][ T3064]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  230.522823][ T3064]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.522824][ T3064]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  230.522826][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522828][ T3064]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  230.522829][ T3064]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  230.522831][ T3064]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  230.522833][ T3064]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  230.522835][ T3064]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  230.522837][ T3064]  vprintk_emit (kernel/printk/printk.c:2479)
[  230.522840][ T3064]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  230.522842][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522844][ T3064]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  230.522846][ T3064]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  230.522848][ T3064]  _printk (kernel/printk/printk.c:2504)
[  230.522851][ T3064]  ? snapshot_read.cold (user.c:?)
[  230.522854][ T3064]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  230.522858][ T3064] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  230.522872][ T3064] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  230.522880][ T3064] br_device_event (net/bridge/br.c:111) bridge
[  230.522889][ T3064]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  230.522893][ T3064]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  230.522895][ T3064]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  230.522899][ T3064]  notifier_call_chain (kernel/notifier.c:85)
[  230.522902][ T3064]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  230.522906][ T3064]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  230.522907][ T3064]  ? netif_change_name (net/core/dev.c:1517)
[  230.522909][ T3064]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  230.522912][ T3064]  ? __kernel_text_address (kernel/extable.c:79)
[  230.522914][ T3064]  ? write_profile (profile.c:?)
[  230.522916][ T3064]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  230.522918][ T3064]  netif_change_flags (net/core/dev.c:9882)
[  230.522920][ T3064]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  230.522923][ T3064]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  230.522925][ T3064]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  230.522926][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522928][ T3064]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  230.522932][ T3064]  ? kasan_save_stack (mm/kasan/common.c:58)
[  230.522935][ T3064]  ? kasan_save_stack (mm/kasan/common.c:57)
[  230.522936][ T3064]  ? kasan_save_track (mm/kasan/common.c:78)
[  230.522938][ T3064]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  230.522940][ T3064]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  230.522941][ T3064]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  230.522943][ T3064]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  230.522944][ T3064]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  230.522947][ T3064]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  230.522949][ T3064]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  230.522950][ T3064]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  230.522953][ T3064]  ? ___sys_sendmsg (net/socket.c:2767)
[  230.522954][ T3064]  ? __sys_sendmsg (net/socket.c:2799)
[  230.522956][ T3064]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  230.522958][ T3064]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  230.522961][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522963][ T3064]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.522964][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522966][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522968][ T3064]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  230.522971][ T3064]  ? __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)
[  230.522973][ T3064]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  230.522974][ T3064]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  230.522976][ T3064]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  230.522978][ T3064]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  230.522980][ T3064]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  230.522982][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522984][ T3064]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  230.522985][ T3064]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.522987][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.522989][ T3064]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  230.522992][ T3064]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  230.522994][ T3064]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  230.522995][ T3064]  ? __kernel_text_address (kernel/extable.c:79)
[  230.522997][ T3064]  ? write_profile (profile.c:?)
[  230.522998][ T3064]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  230.522999][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.523001][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.523003][ T3064]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  230.523007][ T3064]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.523008][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.523010][ T3064]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  230.523011][ T3064]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  230.523013][ T3064]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  230.523014][ T3064]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  230.523016][ T3064]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  230.523018][ T3064]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  230.523020][ T3064]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  230.523021][ T3064]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  230.523023][ T3064]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  230.523024][ T3064]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  230.523027][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.523029][ T3064]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  230.523031][ T3064]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  230.523033][ T3064]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  230.523034][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.523036][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.523038][ T3064]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.523040][ T3064]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  230.523042][ T3064]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  230.523044][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.523046][ T3064]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  230.523047][ T3064]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  230.523049][ T3064]  ? copy_msghdr_from_user (net/socket.c:2650)
[  230.523051][ T3064]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  230.523052][ T3064]  ? move_addr_to_kernel (net/socket.c:258)
[  230.523054][ T3064]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  230.523057][ T3064]  ___sys_sendmsg (net/socket.c:2767)
[  230.523059][ T3064]  ? copy_msghdr_from_user (net/socket.c:2619)
[  230.523064][ T3064]  __sys_sendmsg (net/socket.c:2799)
[  230.523066][ T3064]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  230.523068][ T3064]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.523070][ T3064]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  230.523072][ T3064]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  230.523074][ T3064]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  230.523076][ T3064] RIP: 0033:0x7f672929154e
[  230.523078][ T3064] 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
[  230.523080][ T3064] RSP: 002b:00007fff83d0a110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  230.523084][ T3064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f672929154e
[  230.523085][ T3064] RDX: 0000000000000000 RSI: 00007fff83d0a1c0 RDI: 0000000000000005
[  230.523086][ T3064] RBP: 00007fff83d0a120 R08: 0000000000000000 R09: 0000000000000000
[  230.523087][ T3064] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe11
[  230.523088][ T3064] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff83d0a880
| [  236.415402][ T3118] softirqs last disabled at (0): 0x0
| [  236.415404][ T3118] Preemption disabled at:
| [  236.415405][ T3118] 0x0
| [  236.415413][ T3118] Tainted: [W]=WARN
[  236.415414][ T3118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  236.415416][ T3118] Call Trace:
[  236.415417][ T3118]  <TASK>
[  236.415418][ T3118]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  236.415424][ T3118]  __might_resched.cold (kernel/sched/core.c:9234)
[  236.415428][ T3118]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  236.415432][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415436][ T3118]  __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))
[  236.415440][ T3118]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  236.415442][ T3118]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.415447][ T3118]  ? 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)
[  236.415448][ T3118]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.415450][ T3118]  put_chars (drivers/char/virtio_console.c:1176)
[  236.415452][ T3118]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  236.415454][ T3118]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  236.415458][ T3118]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  236.415461][ T3118]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  236.415463][ T3118]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  236.415465][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415467][ T3118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.415469][ T3118]  console_emit_next_record (kernel/printk/printk.c:3183)
[  236.415471][ T3118]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  236.415473][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415475][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415477][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415479][ T3118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.415480][ T3118]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  236.415482][ T3118]  console_flush_one_record (kernel/printk/printk.c:3268)
[  236.415485][ T3118]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  236.415487][ T3118]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  236.415489][ T3118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.415491][ T3118]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  236.415492][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415494][ T3118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  236.415496][ T3118]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  236.415497][ T3118]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  236.415499][ T3118]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  236.415501][ T3118]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  236.415503][ T3118]  vprintk_emit (kernel/printk/printk.c:2479)
[  236.415506][ T3118]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  236.415508][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415510][ T3118]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  236.415513][ T3118]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  236.415514][ T3118]  _printk (kernel/printk/printk.c:2504)
[  236.415518][ T3118]  ? snapshot_read.cold (user.c:?)
[  236.415520][ T3118]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  236.415525][ T3118] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  236.415540][ T3118] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  236.415548][ T3118] br_device_event (net/bridge/br.c:111) bridge
[  236.415557][ T3118]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  236.415561][ T3118]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  236.415563][ T3118]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  236.415567][ T3118]  notifier_call_chain (kernel/notifier.c:85)
[  236.415570][ T3118]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  236.415574][ T3118]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  236.415575][ T3118]  ? netif_change_name (net/core/dev.c:1517)
[  236.415578][ T3118]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  236.415580][ T3118]  ? __kernel_text_address (kernel/extable.c:79)
[  236.415582][ T3118]  ? write_profile (profile.c:?)
[  236.415584][ T3118]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  236.415587][ T3118]  netif_change_flags (net/core/dev.c:9882)
[  236.415589][ T3118]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  236.415593][ T3118]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  236.415594][ T3118]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  236.415595][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415597][ T3118]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  236.415601][ T3118]  ? kasan_save_stack (mm/kasan/common.c:58)
[  236.415604][ T3118]  ? kasan_save_stack (mm/kasan/common.c:57)
[  236.415606][ T3118]  ? kasan_save_track (mm/kasan/common.c:78)
[  236.415607][ T3118]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  236.415609][ T3118]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  236.415610][ T3118]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  236.415612][ T3118]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  236.415613][ T3118]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  236.415616][ T3118]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  236.415617][ T3118]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  236.415618][ T3118]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  236.415621][ T3118]  ? ___sys_sendmsg (net/socket.c:2767)
[  236.415623][ T3118]  ? __sys_sendmsg (net/socket.c:2799)
[  236.415624][ T3118]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  236.415627][ T3118]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  236.415629][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415631][ T3118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.415633][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415634][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415636][ T3118]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  236.415639][ T3118]  ? __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)
[  236.415640][ T3118]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  236.415642][ T3118]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  236.415643][ T3118]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  236.415646][ T3118]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  236.415648][ T3118]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  236.415650][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415652][ T3118]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.415653][ T3118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.415654][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415656][ T3118]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  236.415660][ T3118]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  236.415662][ T3118]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  236.415663][ T3118]  ? __kernel_text_address (kernel/extable.c:79)
[  236.415664][ T3118]  ? write_profile (profile.c:?)
[  236.415666][ T3118]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  236.415667][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415669][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415670][ T3118]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  236.415674][ T3118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.415676][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415677][ T3118]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.415679][ T3118]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  236.415682][ T3118]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.415684][ T3118]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  236.415685][ T3118]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  236.415688][ T3118]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  236.415689][ T3118]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.415691][ T3118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  236.415692][ T3118]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  236.415694][ T3118]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  236.415696][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415698][ T3118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  236.415700][ T3118]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  236.415702][ T3118]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  236.415704][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415705][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415707][ T3118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.415709][ T3118]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  236.415711][ T3118]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  236.415713][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415715][ T3118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  236.415716][ T3118]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  236.415718][ T3118]  ? copy_msghdr_from_user (net/socket.c:2650)
[  236.415720][ T3118]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  236.415721][ T3118]  ? move_addr_to_kernel (net/socket.c:258)
[  236.415723][ T3118]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  236.415726][ T3118]  ___sys_sendmsg (net/socket.c:2767)
[  236.415727][ T3118]  ? copy_msghdr_from_user (net/socket.c:2619)
[  236.415733][ T3118]  __sys_sendmsg (net/socket.c:2799)
[  236.415734][ T3118]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  236.415737][ T3118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.415739][ T3118]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  236.415741][ T3118]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  236.415743][ T3118]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  236.415745][ T3118] RIP: 0033:0x7fe2249ad54e
[  236.415747][ T3118] 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
[  236.415749][ T3118] RSP: 002b:00007ffe98c8b890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  236.415753][ T3118] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe2249ad54e
[  236.415754][ T3118] RDX: 0000000000000000 RSI: 00007ffe98c8b940 RDI: 0000000000000005
[  236.415755][ T3118] RBP: 00007ffe98c8b8a0 R08: 0000000000000000 R09: 0000000000000000
[  236.415756][ T3118] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe17


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu: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
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars