======================================
| [   10.247377][  T187] softirqs last disabled at (50113): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.247379][  T187] Preemption disabled at:
| [   10.247380][  T187] 0x0
| [   10.247390][  T187] Tainted: [W]=WARN
[   10.247391][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.247393][  T187] Call Trace:
[   10.247394][  T187]  <TASK>
[   10.247396][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.247402][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.247411][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.247416][  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)
[   10.247421][  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))
[   10.247423][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.247429][  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)
[   10.247432][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.247435][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.247438][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.247439][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.247444][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.247449][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.247456][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.247458][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.247460][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.247464][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.247468][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.247470][  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))
[   10.247473][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.247475][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.247479][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.247483][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.247485][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.247490][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.247493][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.247495][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.247497][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.247501][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.247503][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.247506][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.247510][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.247513][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.247517][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.247521][  T187]  ? snapshot_read.cold (user.c:?)
[   10.247524][  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)
[   10.247526][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.247530][  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)
[   10.247533][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.247536][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.247538][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.247541][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.247545][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.247548][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.247550][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.247552][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.247555][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.247559][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.247561][  T187] RIP: 0033:0x7f06bc6b61b8
[   10.247563][  T187] Code: Unable to access opcode bytes at 0x7f06bc6b618e.

Code starting with the faulting instruction
===========================================
[   10.247564][  T187] RSP: 002b:00007ffeff27c4e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.247567][  T187] RAX: ffffffffffffffda RBX: 00007f06bc7e6f88 RCX: 00007f06bc6b61b8
[   10.247568][  T187] RDX: 00007f06bc400fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.247569][  T187] RBP: 00007ffeff27c540 R08: 0000000000000000 R09: 0000000000008010
[   10.247570][  T187] R10: 00007ffeff27c300 R11: 0000000000000246 R12: 0000000000000001
[   10.247571][  T187] R13: 0000000000000000 R14: 00007f06bc7e5680 R15: 00007f06bc7e6fa0
| [   12.132486][  T254] softirqs last disabled at (20204): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.132489][  T254] Preemption disabled at:
| [   12.132489][  T254] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.132499][  T254] Tainted: [W]=WARN
[   12.132500][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.132501][  T254] Call Trace:
[   12.132503][  T254]  <TASK>
[   12.132504][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.132510][  T254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.132512][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.132517][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.132521][  T254]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.132526][  T254]  __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))
[   12.132528][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.132534][  T254]  ? 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)
[   12.132537][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.132540][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   12.132542][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.132547][  T254]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.132550][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.132553][  T254]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.132555][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132557][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132560][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.132562][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.132566][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132570][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.132574][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.132577][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.132579][  T254]  ? 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))
[   12.132582][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132585][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.132589][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.132593][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.132594][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132600][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.132603][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.132604][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132607][  T254]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.132610][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.132612][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.132615][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.132620][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.132623][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.132626][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.132631][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.132635][  T254]  _printk (kernel/printk/printk.c:2504)
[   12.132638][  T254]  ? snapshot_read.cold (user.c:?)
[   12.132642][  T254]  ? br_multicast_flood (??:?) bridge
[   12.132654][  T254]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.132655][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.132657][  T254]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.132661][  T254] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.132671][  T254] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.132679][  T254] new_nbp (net/bridge/br_if.c:449) bridge
[   12.132688][  T254] br_add_if (net/bridge/br_if.c:592) bridge
[   12.132695][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.132699][  T254]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.132703][  T254]  ? __kernel_text_address (kernel/extable.c:79)
[   12.132706][  T254]  do_set_master (net/core/rtnetlink.c:3071)
[   12.132711][  T254]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.132714][  T254]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.132717][  T254]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.132719][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.132721][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.132725][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.132727][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.132729][  T254]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.132732][  T254]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.132735][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.132736][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.132739][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132741][  T254]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.132744][  T254]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.132748][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.132750][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.132753][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132755][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.132757][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132758][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132761][  T254]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.132764][  T254]  ? __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)
[   12.132766][  T254]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.132768][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.132771][  T254]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.132773][  T254]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.132778][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.132783][  T254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.132788][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.132790][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132795][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.132797][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.132799][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.132800][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.132804][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.132806][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.132809][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.132810][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132815][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.132816][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.132820][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.132822][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.132824][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.132831][  T254]  ? 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))
[   12.132832][  T254]  ? 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))
[   12.132836][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.132840][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.132843][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132847][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.132851][  T254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.132854][  T254]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.132860][  T254]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.132862][  T254]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.132864][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.132866][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   12.132873][  T254]  ___sys_sendmsg (net/socket.c:2767)
[   12.132876][  T254]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.132892][  T254]  __sys_sendmsg (net/socket.c:2799)
[   12.132894][  T254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.132901][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132904][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.132907][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.132910][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.132912][  T254] RIP: 0033:0x7f336877f54e
[   12.132915][  T254] 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
[   12.132917][  T254] RSP: 002b:00007fffb0e1a4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.132920][  T254] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f336877f54e
[   12.132921][  T254] RDX: 0000000000000000 RSI: 00007fffb0e1a590 RDI: 0000000000000005
[   12.132922][  T254] RBP: 00007fffb0e1a4f0 R08: 0000000000000000 R09: 0000000000000000
[   12.132923][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912de7
[   12.132924][  T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb0e1ac50
| [   18.784857][  T497] softirqs last disabled at (14614): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.784860][  T497] Preemption disabled at:
| [   18.784861][  T497] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.784870][  T497] Tainted: [W]=WARN
[   18.784871][  T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.784873][  T497] Call Trace:
[   18.784874][  T497]  <TASK>
[   18.784876][  T497]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.784881][  T497]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.784884][  T497]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.784888][  T497]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.784892][  T497]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.784898][  T497]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.784900][  T497]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.784906][  T497]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.784908][  T497]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.784911][  T497]  put_chars (drivers/char/virtio_console.c:1176)
[   18.784913][  T497]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   18.784915][  T497]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.784918][  T497]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.784922][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.784925][  T497]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.784929][  T497]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.784931][  T497]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.784933][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.784935][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.784939][  T497]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.784941][  T497]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.784944][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.784946][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.784950][  T497]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.784954][  T497]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.784955][  T497]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.784959][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.784961][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.784965][  T497]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.784969][  T497]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.784971][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.784976][  T497]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.784979][  T497]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.784981][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.784983][  T497]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.784986][  T497]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.784988][  T497]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.784991][  T497]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.784996][  T497]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.784998][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.785001][  T497]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.785004][  T497]  _printk (kernel/printk/printk.c:2504)
[   18.785008][  T497]  ? snapshot_read.cold (user.c:?)
[   18.785012][  T497]  ? br_multicast_flood (??:?) bridge
[   18.785025][  T497]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.785026][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.785027][  T497]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.785032][  T497] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.785042][  T497] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   18.785050][  T497] new_nbp (net/bridge/br_if.c:449) bridge
[   18.785059][  T497] br_add_if (net/bridge/br_if.c:592) bridge
[   18.785067][  T497]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.785070][  T497]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   18.785074][  T497]  ? __kernel_text_address (kernel/extable.c:79)
[   18.785077][  T497]  do_set_master (net/core/rtnetlink.c:3071)
[   18.785082][  T497]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.785085][  T497]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.785088][  T497]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.785089][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.785091][  T497]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.785095][  T497]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.785097][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.785099][  T497]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.785101][  T497]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.785104][  T497]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.785106][  T497]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.785109][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.785111][  T497]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.785114][  T497]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.785118][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.785120][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.785122][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.785125][  T497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.785126][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.785128][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.785130][  T497]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.785134][  T497]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   18.785137][  T497]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.785139][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.785142][  T497]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.785144][  T497]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.785149][  T497]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.785154][  T497]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.785159][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.785161][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.785165][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.785167][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.785169][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.785171][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.785174][  T497]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.785176][  T497]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.785179][  T497]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.785180][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.785185][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.785187][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.785190][  T497]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.785192][  T497]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.785194][  T497]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.785200][  T497]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.785202][  T497]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.785206][  T497]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.785210][  T497]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.785212][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.785216][  T497]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.785220][  T497]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.785224][  T497]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.785229][  T497]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.785231][  T497]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.785233][  T497]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.785235][  T497]  ? move_addr_to_kernel (net/socket.c:258)
[   18.785248][  T497]  ___sys_sendmsg (net/socket.c:2767)
[   18.785251][  T497]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.785266][  T497]  __sys_sendmsg (net/socket.c:2799)
[   18.785269][  T497]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.785275][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.785278][  T497]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.785281][  T497]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.785284][  T497]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.785286][  T497] RIP: 0033:0x7fb986be054e
[   18.785289][  T497] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.785291][  T497] RSP: 002b:00007ffffe118e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.785294][  T497] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb986be054e
[   18.785295][  T497] RDX: 0000000000000000 RSI: 00007ffffe118eb0 RDI: 0000000000000005
[   18.785296][  T497] RBP: 00007ffffe118e10 R08: 0000000000000000 R09: 0000000000000000
[   18.785297][  T497] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dee
[   18.785297][  T497] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffe119570
| [   19.251132][  T517]
| [   19.251133][  T517]
| [   19.251133][  T517] stack backtrace:
| [   19.251139][  T517] Tainted: [W]=WARN
[   19.251140][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.251141][  T517] Call Trace:
[   19.251142][  T517]  <TASK>
[   19.251144][  T517]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.251147][  T517]  print_bad_irq_dependency (kernel/locking/lockdep.c:2632)
[   19.251150][  T517]  check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1))
[   19.251152][  T517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.251156][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.251158][  T517]  ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147)
[   19.251161][  T517]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   19.251162][  T517]  check_prev_add (kernel/locking/lockdep.c:3185)
[   19.251164][  T517]  validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924)
[   19.251166][  T517]  __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.251169][  T517]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.251170][  T517]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   19.251172][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.251174][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.251176][  T517]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   19.251178][  T517]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   19.251180][  T517]  console_emit_next_record (kernel/printk/printk.c:3177)
[   19.251182][  T517]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.251183][  T517]  ? 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))
[   19.251185][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.251187][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.251189][  T517]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.251191][  T517]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.251193][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.251195][  T517]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.251197][  T517]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.251199][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.251200][  T517]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.251202][  T517]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.251204][  T517]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.251206][  T517]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.251208][  T517]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.251210][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.251212][  T517]  _printk (kernel/printk/printk.c:2504)
[   19.251214][  T517]  ? snapshot_read.cold (user.c:?)
[   19.251216][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.251218][  T517]  ? br_fdb_find (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/bridge/br_fdb.c:230 (discriminator 2)) bridge
[   19.251225][  T517] fdb_add_local.cold (net/bridge/br_fdb.c:445 (discriminator 4) net/bridge/br_fdb.c:430 (discriminator 4)) bridge
[   19.251232][  T517] br_fdb_add_local (net/bridge/br_fdb.c:961) bridge
[   19.251246][  T517] br_add_if (net/bridge/br_if.c:655) bridge
[   19.251253][  T517]  do_set_master (net/core/rtnetlink.c:3071)
[   19.251256][  T517]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   19.251258][  T517]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.251260][  T517]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.251261][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.251263][  T517]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.251266][  T517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.251268][  T517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.251270][  T517]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.251271][  T517]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.251274][  T517]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.251276][  T517]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.251277][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.251279][  T517]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   19.251280][  T517]  ? ___sys_sendmsg (net/socket.c:2757)
[   19.251282][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.251284][  T517]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.251285][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.251287][  T517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.251288][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.251290][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.251292][  T517]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.251295][  T517]  ? __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)
[   19.251296][  T517]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.251297][  T517]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.251299][  T517]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.251300][  T517]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.251302][  T517]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.251304][  T517]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.251307][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.251308][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.251310][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.251312][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.251313][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.251314][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.251316][  T517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.251317][  T517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.251319][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.251320][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.251322][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.251324][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.251326][  T517]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.251327][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.251329][  T517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.251331][  T517]  ? 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))
[   19.251332][  T517]  ? 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))
[   19.251334][  T517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.251336][  T517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.251338][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.251340][  T517]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.251342][  T517]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.251344][  T517]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.251348][  T517]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.251349][  T517]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.251351][  T517]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.251352][  T517]  ? move_addr_to_kernel (net/socket.c:258)
[   19.251355][  T517]  ___sys_sendmsg (net/socket.c:2767)
[   19.251357][  T517]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.251362][  T517]  __sys_sendmsg (net/socket.c:2799)
[   19.251364][  T517]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.251367][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.251369][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.251370][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.251373][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.251374][  T517] RIP: 0033:0x7fc5fe2e154e
[   19.251377][  T517] 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
[   19.251378][  T517] RSP: 002b:00007fff82d354e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.251381][  T517] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc5fe2e154e
[   19.251383][  T517] RDX: 0000000000000000 RSI: 00007fff82d35590 RDI: 0000000000000005
[   19.251384][  T517] RBP: 00007fff82d354f0 R08: 0000000000000000 R09: 0000000000000000
[   19.251385][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dee
[   19.251385][  T517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff82d35c50
| [   30.428889][ T1262] softirqs last disabled at (0): 0x0
| [   30.428891][ T1262] Preemption disabled at:
| [   30.428891][ T1262] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.428902][ T1262] Tainted: [W]=WARN
[   30.428903][ T1262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.428905][ T1262] Call Trace:
[   30.428906][ T1262]  <TASK>
[   30.428907][ T1262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.428913][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.428915][ T1262]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.428919][ T1262]  ? __module_address (kernel/module/main.c:3915)
[   30.428923][ T1262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.428926][ T1262]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   30.428927][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.428931][ T1262]  __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))
[   30.428934][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.428937][ T1262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.428940][ T1262]  ? 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)
[   30.428942][ T1262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.428944][ T1262]  put_chars (drivers/char/virtio_console.c:1176)
[   30.428946][ T1262]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   30.428947][ T1262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.428949][ T1262]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   30.428951][ T1262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.428954][ T1262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.428956][ T1262]  ? 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)
[   30.428957][ T1262]  ? vsnprintf (lib/vsprintf.c:2900)
[   30.428961][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.428962][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.428964][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.428966][ T1262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.428968][ T1262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.428970][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.428972][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.428973][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.428975][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.428977][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.428979][ T1262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.428981][ T1262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.428984][ T1262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.428985][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.428987][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.428988][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.428990][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.428991][ T1262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.428993][ T1262]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.428995][ T1262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.428997][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.428999][ T1262]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.429001][ T1262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.429003][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.429005][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.429006][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.429008][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429010][ T1262]  _printk (kernel/printk/printk.c:2504)
[   30.429013][ T1262]  ? snapshot_read.cold (user.c:?)
[   30.429015][ T1262]  ? br_multicast_flood (??:?) bridge
[   30.429027][ T1262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.429030][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.429031][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.429033][ T1262] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.429042][ T1262] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   30.429049][ T1262] new_nbp (net/bridge/br_if.c:449) bridge
[   30.429056][ T1262] br_add_if (net/bridge/br_if.c:592) bridge
[   30.429062][ T1262]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   30.429065][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.429067][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.429070][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   30.429072][ T1262]  do_set_master (net/core/rtnetlink.c:3071)
[   30.429075][ T1262]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.429076][ T1262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.429078][ T1262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.429079][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429081][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.429084][ T1262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.429087][ T1262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.429088][ T1262]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.429090][ T1262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.429091][ T1262]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   30.429093][ T1262]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   30.429094][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.429095][ T1262]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.429097][ T1262]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.429099][ T1262]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.429100][ T1262]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.429102][ T1262]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.429103][ T1262]  ? __sys_sendmsg (net/socket.c:2799)
[   30.429105][ T1262]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.429107][ T1262]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.429109][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429111][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.429113][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429114][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429116][ T1262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.429119][ T1262]  ? __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)
[   30.429121][ T1262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.429123][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.429124][ T1262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.429125][ T1262]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.429128][ T1262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.429130][ T1262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.429131][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429133][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.429134][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.429136][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429138][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   30.429139][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.429141][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.429142][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   30.429143][ T1262]  ? write_profile (profile.c:?)
[   30.429145][ T1262]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.429147][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429149][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429150][ T1262]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.429154][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.429155][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429157][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.429158][ T1262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.429160][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.429161][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.429163][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.429165][ T1262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.429166][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.429168][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.429169][ T1262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.429170][ T1262]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   30.429173][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429175][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.429177][ T1262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.429178][ T1262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.429180][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429182][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429183][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.429185][ T1262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.429187][ T1262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.429189][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429190][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.429192][ T1262]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.429194][ T1262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.429195][ T1262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.429197][ T1262]  ? move_addr_to_kernel (net/socket.c:258)
[   30.429198][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.429201][ T1262]  ___sys_sendmsg (net/socket.c:2767)
[   30.429202][ T1262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.429207][ T1262]  __sys_sendmsg (net/socket.c:2799)
[   30.429209][ T1262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.429212][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.429214][ T1262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.429215][ T1262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.429217][ T1262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.429219][ T1262] RIP: 0033:0x7f7129e9454e
[   30.429220][ T1262] 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
[   30.429222][ T1262] RSP: 002b:00007ffead5b24f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.429226][ T1262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7129e9454e
[   30.429227][ T1262] RDX: 0000000000000000 RSI: 00007ffead5b25a0 RDI: 0000000000000005
[   30.429228][ T1262] RBP: 00007ffead5b2500 R08: 0000000000000000 R09: 0000000000000000
[   30.429229][ T1262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912df9


Finger prints:
print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire
__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:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print