======================================
| [    9.207935][  T186] softirqs last disabled at (33692): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.207938][  T186] Preemption disabled at:
| [    9.207938][  T186] 0x0
| [    9.207948][  T186] Tainted: [W]=WARN
[    9.207949][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.207951][  T186] Call Trace:
[    9.207953][  T186]  <TASK>
[    9.207954][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.207960][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.207965][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.207969][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.207974][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.207977][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.207982][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.207985][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.207988][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.207991][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.207992][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.207997][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.208002][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.208008][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.208010][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.208013][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.208016][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.208020][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.208022][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.208025][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.208027][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.208031][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.208035][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.208037][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.208042][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.208045][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.208047][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.208049][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.208053][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.208054][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.208058][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.208061][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.208065][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.208068][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.208072][  T186]  ? snapshot_read.cold (user.c:?)
[    9.208075][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.208077][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.208081][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.208084][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.208087][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.208090][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.208092][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.208096][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.208099][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.208101][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.208103][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.208106][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.208109][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.208111][  T186] RIP: 0033:0x7f7d0017e1b8
[    9.208113][  T186] Code: Unable to access opcode bytes at 0x7f7d0017e18e.

Code starting with the faulting instruction
===========================================
[    9.208114][  T186] RSP: 002b:00007ffda7274cd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.208117][  T186] RAX: ffffffffffffffda RBX: 00007f7d002aef88 RCX: 00007f7d0017e1b8
[    9.208118][  T186] RDX: 00007f7cffec8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.208119][  T186] RBP: 00007ffda7274d30 R08: 0000000000000000 R09: 0000000000008010
[    9.208120][  T186] R10: 00007ffda7274af0 R11: 0000000000000246 R12: 0000000000000001
[    9.208121][  T186] R13: 0000000000000000 R14: 00007f7d002ad680 R15: 00007f7d002aefa0
| [   10.646766][  T242] softirqs last disabled at (21206): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.646769][  T242] Preemption disabled at:
| [   10.646769][  T242] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.646778][  T242] Tainted: [W]=WARN
[   10.646779][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.646786][  T242] Call Trace:
[   10.646788][  T242]  <TASK>
[   10.646790][  T242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.646796][  T242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.646798][  T242]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.646803][  T242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.646807][  T242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.646812][  T242]  __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))
[   10.646814][  T242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.646820][  T242]  ? 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)
[   10.646823][  T242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.646826][  T242]  put_chars (drivers/char/virtio_console.c:1176)
[   10.646828][  T242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.646832][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.646836][  T242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.646839][  T242]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.646841][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.646842][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.646846][  T242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.646848][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.646851][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.646855][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.646859][  T242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.646862][  T242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.646864][  T242]  ? 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))
[   10.646867][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.646869][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.646873][  T242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.646877][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.646879][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.646884][  T242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.646887][  T242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.646889][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.646891][  T242]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.646894][  T242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.646896][  T242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.646899][  T242]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.646903][  T242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.646905][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.646907][  T242]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.646912][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.646915][  T242]  _printk (kernel/printk/printk.c:2504)
[   10.646919][  T242]  ? snapshot_read.cold (user.c:?)
[   10.646922][  T242]  ? br_multicast_flood (??:?) bridge
[   10.646935][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.646937][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.646938][  T242]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.646942][  T242] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.646952][  T242] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.646960][  T242] new_nbp (net/bridge/br_if.c:449) bridge
[   10.646969][  T242] br_add_if (net/bridge/br_if.c:592) bridge
[   10.646976][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.646980][  T242]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.646983][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   10.646987][  T242]  do_set_master (net/core/rtnetlink.c:3071)
[   10.646991][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.646994][  T242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.646998][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.646999][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.647002][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.647005][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.647008][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.647010][  T242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.647012][  T242]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.647015][  T242]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.647017][  T242]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.647019][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.647021][  T242]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.647024][  T242]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.647029][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.647031][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.647033][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.647036][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.647037][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.647039][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.647041][  T242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.647045][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.647047][  T242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.647049][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.647052][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.647054][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.647059][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.647064][  T242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.647069][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.647071][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.647075][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.647077][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.647079][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.647081][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.647084][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.647086][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.647089][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.647090][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.647095][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.647097][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.647100][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.647102][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.647105][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.647111][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.647112][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.647116][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.647120][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.647122][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.647126][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.647130][  T242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.647134][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.647139][  T242]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.647141][  T242]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.647143][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.647145][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   10.647152][  T242]  ___sys_sendmsg (net/socket.c:2767)
[   10.647155][  T242]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.647170][  T242]  __sys_sendmsg (net/socket.c:2799)
[   10.647173][  T242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.647179][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.647184][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.647187][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.647190][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.647192][  T242] RIP: 0033:0x7fead18cd54e
[   10.647195][  T242] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.647197][  T242] RSP: 002b:00007ffc1034fa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.647200][  T242] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fead18cd54e
[   10.647201][  T242] RDX: 0000000000000000 RSI: 00007ffc1034fac0 RDI: 0000000000000005
[   10.647202][  T242] RBP: 00007ffc1034fa20 R08: 0000000000000000 R09: 0000000000000000
[   10.647203][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e450
[   10.647204][  T242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc10350180
| [   16.159219][  T485] softirqs last disabled at (22104): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.159222][  T485] Preemption disabled at:
| [   16.159222][  T485] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.159232][  T485] Tainted: [W]=WARN
[   16.159233][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.159234][  T485] Call Trace:
[   16.159236][  T485]  <TASK>
[   16.159237][  T485]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.159243][  T485]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.159246][  T485]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.159250][  T485]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.159255][  T485]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.159260][  T485]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.159262][  T485]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.159267][  T485]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.159270][  T485]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.159273][  T485]  put_chars (drivers/char/virtio_console.c:1176)
[   16.159275][  T485]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.159277][  T485]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.159280][  T485]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.159284][  T485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.159287][  T485]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.159290][  T485]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.159294][  T485]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.159295][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.159297][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.159301][  T485]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.159303][  T485]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.159306][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.159308][  T485]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.159312][  T485]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.159316][  T485]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.159318][  T485]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.159321][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.159323][  T485]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.159327][  T485]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.159331][  T485]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.159333][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.159338][  T485]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.159341][  T485]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.159343][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.159345][  T485]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.159349][  T485]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.159351][  T485]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.159354][  T485]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.159358][  T485]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.159361][  T485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.159363][  T485]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.159367][  T485]  _printk (kernel/printk/printk.c:2504)
[   16.159371][  T485]  ? snapshot_read.cold (user.c:?)
[   16.159375][  T485]  ? br_multicast_flood (??:?) bridge
[   16.159388][  T485]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.159389][  T485]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.159390][  T485]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.159395][  T485] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.159405][  T485] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.159414][  T485] new_nbp (net/bridge/br_if.c:449) bridge
[   16.159423][  T485] br_add_if (net/bridge/br_if.c:592) bridge
[   16.159430][  T485]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.159434][  T485]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.159437][  T485]  ? __kernel_text_address (kernel/extable.c:79)
[   16.159441][  T485]  do_set_master (net/core/rtnetlink.c:3071)
[   16.159445][  T485]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.159449][  T485]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.159452][  T485]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.159453][  T485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.159455][  T485]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.159459][  T485]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.159461][  T485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.159463][  T485]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.159466][  T485]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.159469][  T485]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.159470][  T485]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.159473][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.159475][  T485]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.159478][  T485]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.159482][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.159484][  T485]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.159487][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.159489][  T485]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.159491][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.159492][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.159495][  T485]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.159499][  T485]  ? __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)
[   16.159502][  T485]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.159504][  T485]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.159507][  T485]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.159509][  T485]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.159514][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.159521][  T485]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.159526][  T485]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.159528][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.159532][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.159534][  T485]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.159536][  T485]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.159538][  T485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.159542][  T485]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.159544][  T485]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.159547][  T485]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.159548][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.159553][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.159555][  T485]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.159558][  T485]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.159560][  T485]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.159563][  T485]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.159569][  T485]  ? 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))
[   16.159570][  T485]  ? 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))
[   16.159574][  T485]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.159578][  T485]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.159581][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.159585][  T485]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.159588][  T485]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.159592][  T485]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.159597][  T485]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.159600][  T485]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.159602][  T485]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.159604][  T485]  ? move_addr_to_kernel (net/socket.c:258)
[   16.159611][  T485]  ___sys_sendmsg (net/socket.c:2767)
[   16.159614][  T485]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.159629][  T485]  __sys_sendmsg (net/socket.c:2799)
[   16.159632][  T485]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.159638][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.159642][  T485]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.159644][  T485]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.159647][  T485]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.159649][  T485] RIP: 0033:0x7fb8f1b8b54e
[   16.159652][  T485] 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
[   16.159654][  T485] RSP: 002b:00007ffe16444a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.159657][  T485] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb8f1b8b54e
[   16.159658][  T485] RDX: 0000000000000000 RSI: 00007ffe16444ad0 RDI: 0000000000000005
[   16.159659][  T485] RBP: 00007ffe16444a30 R08: 0000000000000000 R09: 0000000000000000
[   16.159660][  T485] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e455
[   16.159661][  T485] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe16445190
| [   16.553701][  T505]
| [   16.553701][  T505]
| [   16.553701][  T505] stack backtrace:
| [   16.553707][  T505] Tainted: [W]=WARN
[   16.553708][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.553710][  T505] Call Trace:
[   16.553711][  T505]  <TASK>
[   16.553712][  T505]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.553716][  T505]  print_bad_irq_dependency (kernel/locking/lockdep.c:2632)
[   16.553718][  T505]  check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1))
[   16.553720][  T505]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.553724][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.553727][  T505]  ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147)
[   16.553729][  T505]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   16.553731][  T505]  check_prev_add (kernel/locking/lockdep.c:3185)
[   16.553733][  T505]  validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924)
[   16.553735][  T505]  __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.553737][  T505]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.553739][  T505]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.553741][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.553742][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.553744][  T505]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.553746][  T505]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.553748][  T505]  console_emit_next_record (kernel/printk/printk.c:3177)
[   16.553750][  T505]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.553751][  T505]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.553753][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.553755][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.553757][  T505]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.553759][  T505]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.553761][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.553763][  T505]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.553765][  T505]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.553766][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.553768][  T505]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.553770][  T505]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.553772][  T505]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.553774][  T505]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.553776][  T505]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.553778][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.553780][  T505]  _printk (kernel/printk/printk.c:2504)
[   16.553781][  T505]  ? snapshot_read.cold (user.c:?)
[   16.553783][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.553785][  T505]  ? 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
[   16.553792][  T505] fdb_add_local.cold (net/bridge/br_fdb.c:445 (discriminator 4) net/bridge/br_fdb.c:430 (discriminator 4)) bridge
[   16.553803][  T505] br_fdb_add_local (net/bridge/br_fdb.c:961) bridge
[   16.553810][  T505] br_add_if (net/bridge/br_if.c:655) bridge
[   16.553818][  T505]  do_set_master (net/core/rtnetlink.c:3071)
[   16.553820][  T505]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.553822][  T505]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.553824][  T505]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.553826][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.553827][  T505]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.553830][  T505]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.553832][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.553833][  T505]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.553835][  T505]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.553838][  T505]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.553839][  T505]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.553841][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.553842][  T505]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.553844][  T505]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.553846][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.553847][  T505]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.553849][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.553850][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.553852][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.553853][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.553855][  T505]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.553858][  T505]  ? __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)
[   16.553859][  T505]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.553861][  T505]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.553862][  T505]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.553863][  T505]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.553865][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.553867][  T505]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.553869][  T505]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.553871][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.553873][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.553874][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.553876][  T505]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.553877][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.553879][  T505]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.553880][  T505]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.553881][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.553883][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.553885][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.553886][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.553888][  T505]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.553889][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.553890][  T505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.553893][  T505]  ? 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))
[   16.553894][  T505]  ? 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))
[   16.553896][  T505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.553898][  T505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.553899][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.553901][  T505]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.553903][  T505]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.553905][  T505]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.553909][  T505]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.553910][  T505]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.553912][  T505]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.553913][  T505]  ? move_addr_to_kernel (net/socket.c:258)
[   16.553916][  T505]  ___sys_sendmsg (net/socket.c:2767)
[   16.553918][  T505]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.553923][  T505]  __sys_sendmsg (net/socket.c:2799)
[   16.553925][  T505]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.553927][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.553929][  T505]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.553931][  T505]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.553933][  T505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.553934][  T505] RIP: 0033:0x7f85b0c8c54e
[   16.553937][  T505] 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
[   16.553939][  T505] RSP: 002b:00007fff400111e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.553941][  T505] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f85b0c8c54e
[   16.553943][  T505] RDX: 0000000000000000 RSI: 00007fff40011290 RDI: 0000000000000005
[   16.553943][  T505] RBP: 00007fff400111f0 R08: 0000000000000000 R09: 0000000000000000
[   16.553944][  T505] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e455
[   16.553945][  T505] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff40011950
| [   26.016189][ T1251] softirqs last disabled at (0): 0x0
| [   26.016191][ T1251] Preemption disabled at:
| [   26.016192][ T1251] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.016203][ T1251] Tainted: [W]=WARN
[   26.016204][ T1251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.016205][ T1251] Call Trace:
[   26.016207][ T1251]  <TASK>
[   26.016208][ T1251]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.016214][ T1251]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.016216][ T1251]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.016220][ T1251]  ? __module_address (kernel/module/main.c:3915)
[   26.016223][ T1251]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.016227][ T1251]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   26.016228][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016231][ T1251]  __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))
[   26.016235][ T1251]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.016237][ T1251]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.016241][ T1251]  ? 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)
[   26.016243][ T1251]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.016245][ T1251]  put_chars (drivers/char/virtio_console.c:1176)
[   26.016246][ T1251]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   26.016248][ T1251]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.016249][ T1251]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   26.016252][ T1251]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.016255][ T1251]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.016257][ T1251]  ? 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)
[   26.016258][ T1251]  ? vsnprintf (lib/vsprintf.c:2900)
[   26.016261][ T1251]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.016263][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016265][ T1251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.016267][ T1251]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.016269][ T1251]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.016271][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016273][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016275][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016276][ T1251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.016278][ T1251]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.016280][ T1251]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.016282][ T1251]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.016285][ T1251]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.016286][ T1251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.016288][ T1251]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.016290][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016291][ T1251]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.016293][ T1251]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.016294][ T1251]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   26.016296][ T1251]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.016298][ T1251]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.016300][ T1251]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.016303][ T1251]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.016305][ T1251]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.016306][ T1251]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.016308][ T1251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.016309][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016311][ T1251]  _printk (kernel/printk/printk.c:2504)
[   26.016315][ T1251]  ? snapshot_read.cold (user.c:?)
[   26.016317][ T1251]  ? br_multicast_flood (??:?) bridge
[   26.016329][ T1251]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.016332][ T1251]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.016333][ T1251]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.016335][ T1251] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   26.016344][ T1251] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   26.016351][ T1251] new_nbp (net/bridge/br_if.c:449) bridge
[   26.016358][ T1251] br_add_if (net/bridge/br_if.c:592) bridge
[   26.016365][ T1251]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   26.016368][ T1251]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.016370][ T1251]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.016372][ T1251]  ? __kernel_text_address (kernel/extable.c:79)
[   26.016374][ T1251]  do_set_master (net/core/rtnetlink.c:3071)
[   26.016377][ T1251]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.016379][ T1251]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.016380][ T1251]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.016381][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016383][ T1251]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   26.016387][ T1251]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.016390][ T1251]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.016391][ T1251]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.016392][ T1251]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.016394][ T1251]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   26.016395][ T1251]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   26.016396][ T1251]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.016397][ T1251]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.016400][ T1251]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.016401][ T1251]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.016403][ T1251]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.016405][ T1251]  ? ___sys_sendmsg (net/socket.c:2767)
[   26.016407][ T1251]  ? __sys_sendmsg (net/socket.c:2799)
[   26.016408][ T1251]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.016410][ T1251]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.016413][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016415][ T1251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.016416][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016417][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016419][ T1251]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.016422][ T1251]  ? __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)
[   26.016424][ T1251]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.016426][ T1251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.016427][ T1251]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.016428][ T1251]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.016431][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.016433][ T1251]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.016435][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016436][ T1251]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.016438][ T1251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.016439][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016441][ T1251]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   26.016443][ T1251]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.016444][ T1251]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.016446][ T1251]  ? __kernel_text_address (kernel/extable.c:79)
[   26.016447][ T1251]  ? write_profile (profile.c:?)
[   26.016448][ T1251]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.016451][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016452][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016454][ T1251]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   26.016458][ T1251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.016459][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016461][ T1251]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.016462][ T1251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.016464][ T1251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.016465][ T1251]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.016467][ T1251]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   26.016469][ T1251]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.016470][ T1251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.016472][ T1251]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.016473][ T1251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.016474][ T1251]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   26.016477][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016479][ T1251]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.016480][ T1251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.016482][ T1251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.016484][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016486][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016487][ T1251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.016489][ T1251]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.016491][ T1251]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.016493][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016494][ T1251]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.016496][ T1251]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.016498][ T1251]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.016499][ T1251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.016501][ T1251]  ? move_addr_to_kernel (net/socket.c:258)
[   26.016502][ T1251]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.016505][ T1251]  ___sys_sendmsg (net/socket.c:2767)
[   26.016507][ T1251]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.016511][ T1251]  __sys_sendmsg (net/socket.c:2799)
[   26.016513][ T1251]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.016518][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.016520][ T1251]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.016521][ T1251]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.016523][ T1251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.016525][ T1251] RIP: 0033:0x7f8b48faa54e
[   26.016527][ T1251] 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
[   26.016528][ T1251] RSP: 002b:00007ffc41ee3600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.016532][ T1251] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8b48faa54e
[   26.016534][ T1251] RDX: 0000000000000000 RSI: 00007ffc41ee36b0 RDI: 0000000000000005
[   26.016534][ T1251] RBP: 00007ffc41ee3610 R08: 0000000000000000 R09: 0000000000000000
[   26.016535][ T1251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e45f


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
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print