======================================
| [    9.943944][  T186] softirqs last disabled at (55485): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.943946][  T186] Preemption disabled at:
| [    9.943947][  T186] 0x0
| [    9.943957][  T186] Tainted: [W]=WARN
[    9.943958][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.943960][  T186] Call Trace:
[    9.943961][  T186]  <TASK>
[    9.943963][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.943969][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.943974][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.943978][  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)
[    9.943983][  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))
[    9.943985][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.943991][  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)
[    9.943993][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.943996][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.943999][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.944001][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.944005][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.944010][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.944016][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.944019][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.944021][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.944025][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.944029][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.944030][  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))
[    9.944034][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.944036][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.944040][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.944044][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.944046][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.944052][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.944054][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.944056][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.944058][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.944062][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.944064][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.944067][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.944071][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.944074][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.944078][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.944082][  T186]  ? snapshot_read.cold (user.c:?)
[    9.944085][  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)
[    9.944088][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.944092][  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)
[    9.944094][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.944098][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.944100][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.944103][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.944107][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.944110][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.944112][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.944114][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.944117][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.944120][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.944123][  T186] RIP: 0033:0x7faee65681b8
[    9.944126][  T186] Code: Unable to access opcode bytes at 0x7faee656818e.

Code starting with the faulting instruction
===========================================
[    9.944128][  T186] RSP: 002b:00007ffd7400c178 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.944130][  T186] RAX: ffffffffffffffda RBX: 00007faee6698f88 RCX: 00007faee65681b8
[    9.944132][  T186] RDX: 00007faee62b2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.944133][  T186] RBP: 00007ffd7400c1d0 R08: 0000000000000000 R09: 0000000000008010
[    9.944134][  T186] R10: 00007ffd7400bf90 R11: 0000000000000246 R12: 0000000000000001
[    9.944135][  T186] R13: 0000000000000000 R14: 00007faee6697680 R15: 00007faee6698fa0
| [   11.611239][  T252] softirqs last disabled at (14254): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.611242][  T252] Preemption disabled at:
| [   11.611242][  T252] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.611252][  T252] Tainted: [W]=WARN
[   11.611253][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.611255][  T252] Call Trace:
[   11.611257][  T252]  <TASK>
[   11.611258][  T252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.611265][  T252]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.611267][  T252]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.611272][  T252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.611277][  T252]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.611282][  T252]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.611285][  T252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.611291][  T252]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.611293][  T252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.611297][  T252]  put_chars (drivers/char/virtio_console.c:1176)
[   11.611301][  T252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.611306][  T252]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.611309][  T252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.611312][  T252]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.611314][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.611316][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.611321][  T252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.611323][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.611326][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.611331][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.611335][  T252]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.611339][  T252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.611341][  T252]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.611345][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.611348][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.611352][  T252]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.611357][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.611359][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.611365][  T252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.611368][  T252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.611370][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.611372][  T252]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.611376][  T252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.611378][  T252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.611382][  T252]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.611387][  T252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.611389][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.611391][  T252]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.611395][  T252]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.611400][  T252]  _printk (kernel/printk/printk.c:2504)
[   11.611404][  T252]  ? snapshot_read.cold (user.c:?)
[   11.611408][  T252]  ? br_multicast_flood (??:?) bridge
[   11.611421][  T252]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.611423][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.611424][  T252]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.611428][  T252] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.611439][  T252] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.611448][  T252] new_nbp (net/bridge/br_if.c:449) bridge
[   11.611457][  T252] br_add_if (net/bridge/br_if.c:592) bridge
[   11.611465][  T252]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.611472][  T252]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.611475][  T252]  ? __kernel_text_address (kernel/extable.c:79)
[   11.611480][  T252]  do_set_master (net/core/rtnetlink.c:3071)
[   11.611485][  T252]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.611488][  T252]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.611492][  T252]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.611498][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.611501][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.611504][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.611507][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.611509][  T252]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.611512][  T252]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.611515][  T252]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.611517][  T252]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.611520][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.611522][  T252]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.611525][  T252]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.611530][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.611532][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.611535][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.611538][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.611540][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.611541][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.611544][  T252]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.611548][  T252]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.611550][  T252]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.611552][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.611556][  T252]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.611558][  T252]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.611564][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.611569][  T252]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.611576][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.611578][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.611583][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.611585][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.611587][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.611590][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.611594][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.611596][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.611600][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.611601][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.611606][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.611608][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.611613][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.611615][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.611618][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.611625][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.611627][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.611632][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.611637][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.611640][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.611645][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.611650][  T252]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.611654][  T252]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.611660][  T252]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.611663][  T252]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.611665][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.611667][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.611676][  T252]  ___sys_sendmsg (net/socket.c:2767)
[   11.611680][  T252]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.611698][  T252]  __sys_sendmsg (net/socket.c:2799)
[   11.611701][  T252]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.611708][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.611712][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.611714][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.611718][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.611720][  T252] RIP: 0033:0x7f61cf79854e
[   11.611724][  T252] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.611726][  T252] RSP: 002b:00007ffef66c8850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.611729][  T252] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f61cf79854e
[   11.611730][  T252] RDX: 0000000000000000 RSI: 00007ffef66c8900 RDI: 0000000000000005
[   11.611731][  T252] RBP: 00007ffef66c8860 R08: 0000000000000000 R09: 0000000000000000
[   11.611732][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103da
[   11.611733][  T252] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef66c8fc0
| [   17.834018][  T495] softirqs last disabled at (11190): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.834021][  T495] Preemption disabled at:
| [   17.834022][  T495] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.834031][  T495] Tainted: [W]=WARN
[   17.834032][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.834034][  T495] Call Trace:
[   17.834035][  T495]  <TASK>
[   17.834037][  T495]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.834043][  T495]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.834045][  T495]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.834050][  T495]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.834054][  T495]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.834059][  T495]  __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))
[   17.834062][  T495]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.834068][  T495]  ? 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)
[   17.834070][  T495]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.834074][  T495]  put_chars (drivers/char/virtio_console.c:1176)
[   17.834076][  T495]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.834078][  T495]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.834081][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.834085][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.834088][  T495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.834091][  T495]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.834094][  T495]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.834096][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.834098][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.834102][  T495]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.834104][  T495]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.834107][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.834110][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.834114][  T495]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.834118][  T495]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.834120][  T495]  ? 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))
[   17.834123][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.834126][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.834130][  T495]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.834134][  T495]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.834136][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.834141][  T495]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.834144][  T495]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.834146][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.834149][  T495]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.834152][  T495]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.834154][  T495]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.834158][  T495]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.834162][  T495]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.834165][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.834167][  T495]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.834171][  T495]  _printk (kernel/printk/printk.c:2504)
[   17.834175][  T495]  ? snapshot_read.cold (user.c:?)
[   17.834179][  T495]  ? br_multicast_flood (??:?) bridge
[   17.834193][  T495]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.834194][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.834195][  T495]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.834200][  T495] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.834211][  T495] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   17.834219][  T495] new_nbp (net/bridge/br_if.c:449) bridge
[   17.834229][  T495] br_add_if (net/bridge/br_if.c:592) bridge
[   17.834236][  T495]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   17.834240][  T495]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.834244][  T495]  ? __kernel_text_address (kernel/extable.c:79)
[   17.834248][  T495]  do_set_master (net/core/rtnetlink.c:3071)
[   17.834253][  T495]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.834256][  T495]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.834259][  T495]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.834260][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.834262][  T495]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.834266][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.834269][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.834271][  T495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.834273][  T495]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.834276][  T495]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.834278][  T495]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.834281][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.834282][  T495]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   17.834285][  T495]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.834290][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.834292][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.834295][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.834297][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.834299][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.834301][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.834303][  T495]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.834307][  T495]  ? __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)
[   17.834310][  T495]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.834312][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.834315][  T495]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.834317][  T495]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.834322][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.834328][  T495]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.834333][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.834335][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.834339][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.834341][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.834343][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.834345][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.834349][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.834351][  T495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.834354][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.834356][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.834360][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.834362][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.834366][  T495]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.834368][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.834371][  T495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.834377][  T495]  ? 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))
[   17.834378][  T495]  ? 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))
[   17.834383][  T495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.834387][  T495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.834389][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.834394][  T495]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.834397][  T495]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.834401][  T495]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.834407][  T495]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.834409][  T495]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.834412][  T495]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.834413][  T495]  ? move_addr_to_kernel (net/socket.c:258)
[   17.834421][  T495]  ___sys_sendmsg (net/socket.c:2767)
[   17.834424][  T495]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.834440][  T495]  __sys_sendmsg (net/socket.c:2799)
[   17.834443][  T495]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.834449][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.834453][  T495]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.834455][  T495]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.834459][  T495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.834461][  T495] RIP: 0033:0x7f117e03d54e
[   17.834464][  T495] 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
[   17.834466][  T495] RSP: 002b:00007ffe6a673660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.834472][  T495] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f117e03d54e
[   17.834473][  T495] RDX: 0000000000000000 RSI: 00007ffe6a673710 RDI: 0000000000000005
[   17.834474][  T495] RBP: 00007ffe6a673670 R08: 0000000000000000 R09: 0000000000000000
[   17.834475][  T495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103e1
[   17.834476][  T495] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6a673dd0
| [   18.347124][  T515]
| [   18.347124][  T515]
| [   18.347124][  T515] stack backtrace:
| [   18.347130][  T515] Tainted: [W]=WARN
[   18.347131][  T515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.347133][  T515] Call Trace:
[   18.347134][  T515]  <TASK>
[   18.347136][  T515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.347139][  T515]  print_bad_irq_dependency (kernel/locking/lockdep.c:2632)
[   18.347142][  T515]  check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1))
[   18.347144][  T515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.347147][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.347150][  T515]  ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147)
[   18.347153][  T515]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.347154][  T515]  check_prev_add (kernel/locking/lockdep.c:3185)
[   18.347156][  T515]  validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924)
[   18.347158][  T515]  __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.347161][  T515]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.347162][  T515]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.347164][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.347166][  T515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.347168][  T515]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.347170][  T515]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.347172][  T515]  console_emit_next_record (kernel/printk/printk.c:3177)
[   18.347174][  T515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.347175][  T515]  ? 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))
[   18.347177][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.347179][  T515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.347181][  T515]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.347184][  T515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.347185][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.347187][  T515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.347189][  T515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.347191][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.347193][  T515]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.347195][  T515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.347196][  T515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.347198][  T515]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.347201][  T515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.347203][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.347205][  T515]  _printk (kernel/printk/printk.c:2504)
[   18.347206][  T515]  ? snapshot_read.cold (user.c:?)
[   18.347208][  T515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.347210][  T515]  ? 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
[   18.347217][  T515] fdb_add_local.cold (net/bridge/br_fdb.c:445 (discriminator 4) net/bridge/br_fdb.c:430 (discriminator 4)) bridge
[   18.347224][  T515] br_fdb_add_local (net/bridge/br_fdb.c:961) bridge
[   18.347231][  T515] br_add_if (net/bridge/br_if.c:655) bridge
[   18.347239][  T515]  do_set_master (net/core/rtnetlink.c:3071)
[   18.347241][  T515]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.347243][  T515]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.347246][  T515]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.347247][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.347248][  T515]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.347252][  T515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.347254][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.347255][  T515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.347257][  T515]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.347259][  T515]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.347261][  T515]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.347263][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.347264][  T515]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.347266][  T515]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.347268][  T515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.347269][  T515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.347270][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.347272][  T515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.347274][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.347275][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.347277][  T515]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.347280][  T515]  ? __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)
[   18.347281][  T515]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.347283][  T515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.347284][  T515]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.347286][  T515]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.347288][  T515]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.347290][  T515]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.347292][  T515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.347294][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.347296][  T515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.347297][  T515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.347299][  T515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.347300][  T515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.347302][  T515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.347303][  T515]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.347305][  T515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.347306][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.347308][  T515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.347310][  T515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.347311][  T515]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.347313][  T515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.347314][  T515]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.347317][  T515]  ? 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))
[   18.347318][  T515]  ? 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))
[   18.347320][  T515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.347322][  T515]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.347324][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.347326][  T515]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.347328][  T515]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.347330][  T515]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.347333][  T515]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.347335][  T515]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.347337][  T515]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.347338][  T515]  ? move_addr_to_kernel (net/socket.c:258)
[   18.347341][  T515]  ___sys_sendmsg (net/socket.c:2767)
[   18.347343][  T515]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.347348][  T515]  __sys_sendmsg (net/socket.c:2799)
[   18.347350][  T515]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.347353][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.347355][  T515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.347356][  T515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.347358][  T515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.347360][  T515] RIP: 0033:0x7fd56eeac54e
[   18.347362][  T515] 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
[   18.347365][  T515] RSP: 002b:00007ffca3cbc860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.347367][  T515] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd56eeac54e
[   18.347369][  T515] RDX: 0000000000000000 RSI: 00007ffca3cbc910 RDI: 0000000000000005
[   18.347370][  T515] RBP: 00007ffca3cbc870 R08: 0000000000000000 R09: 0000000000000000
[   18.347371][  T515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103e1
[   18.347372][  T515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca3cbcfd0
| [   29.037432][ T1261] softirqs last disabled at (0): 0x0
| [   29.037434][ T1261] Preemption disabled at:
| [   29.037434][ T1261] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.037446][ T1261] Tainted: [W]=WARN
[   29.037447][ T1261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.037449][ T1261] Call Trace:
[   29.037450][ T1261]  <TASK>
[   29.037452][ T1261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.037457][ T1261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.037459][ T1261]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.037463][ T1261]  ? __module_address (kernel/module/main.c:3915)
[   29.037469][ T1261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.037473][ T1261]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   29.037474][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037478][ T1261]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.037482][ T1261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.037484][ T1261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.037488][ T1261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.037490][ T1261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.037492][ T1261]  put_chars (drivers/char/virtio_console.c:1176)
[   29.037494][ T1261]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   29.037495][ T1261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.037497][ T1261]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   29.037500][ T1261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.037503][ T1261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.037505][ T1261]  ? 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)
[   29.037506][ T1261]  ? vsnprintf (lib/vsprintf.c:2900)
[   29.037509][ T1261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.037511][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037513][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.037515][ T1261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.037518][ T1261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.037520][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037521][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037523][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037525][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.037526][ T1261]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.037528][ T1261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.037531][ T1261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.037533][ T1261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.037535][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.037537][ T1261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.037538][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037540][ T1261]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.037541][ T1261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.037548][ T1261]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.037550][ T1261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.037552][ T1261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.037555][ T1261]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.037557][ T1261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.037559][ T1261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.037561][ T1261]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.037563][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.037564][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037567][ T1261]  _printk (kernel/printk/printk.c:2504)
[   29.037570][ T1261]  ? snapshot_read.cold (user.c:?)
[   29.037572][ T1261]  ? br_multicast_flood (??:?) bridge
[   29.037584][ T1261]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.037587][ T1261]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.037588][ T1261]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.037590][ T1261] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.037599][ T1261] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   29.037607][ T1261] new_nbp (net/bridge/br_if.c:449) bridge
[   29.037614][ T1261] br_add_if (net/bridge/br_if.c:592) bridge
[   29.037621][ T1261]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   29.037625][ T1261]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.037627][ T1261]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.037629][ T1261]  ? __kernel_text_address (kernel/extable.c:79)
[   29.037631][ T1261]  do_set_master (net/core/rtnetlink.c:3071)
[   29.037634][ T1261]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.037636][ T1261]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.037637][ T1261]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.037639][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037640][ T1261]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.037644][ T1261]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.037647][ T1261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.037649][ T1261]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.037650][ T1261]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.037652][ T1261]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   29.037653][ T1261]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   29.037654][ T1261]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.037656][ T1261]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.037658][ T1261]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.037659][ T1261]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.037661][ T1261]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.037663][ T1261]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.037665][ T1261]  ? __sys_sendmsg (net/socket.c:2799)
[   29.037666][ T1261]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.037668][ T1261]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.037671][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037673][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.037674][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037676][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037677][ T1261]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.037681][ T1261]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.037683][ T1261]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.037684][ T1261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.037686][ T1261]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.037687][ T1261]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.037689][ T1261]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.037691][ T1261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.037693][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037695][ T1261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.037696][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.037698][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037700][ T1261]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.037701][ T1261]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.037703][ T1261]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.037705][ T1261]  ? __kernel_text_address (kernel/extable.c:79)
[   29.037706][ T1261]  ? write_profile (profile.c:?)
[   29.037707][ T1261]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.037710][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037711][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037713][ T1261]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.037716][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.037718][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037720][ T1261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.037721][ T1261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.037723][ T1261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.037724][ T1261]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.037725][ T1261]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.037728][ T1261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.037729][ T1261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.037730][ T1261]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.037732][ T1261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.037733][ T1261]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.037736][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037738][ T1261]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.037740][ T1261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.037742][ T1261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.037743][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037745][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037747][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.037748][ T1261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.037750][ T1261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.037752][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037754][ T1261]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.037756][ T1261]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.037757][ T1261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.037759][ T1261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.037761][ T1261]  ? move_addr_to_kernel (net/socket.c:258)
[   29.037762][ T1261]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.037765][ T1261]  ___sys_sendmsg (net/socket.c:2767)
[   29.037766][ T1261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.037771][ T1261]  __sys_sendmsg (net/socket.c:2799)
[   29.037773][ T1261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.037776][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.037778][ T1261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.037779][ T1261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.037782][ T1261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.037784][ T1261] RIP: 0033:0x7f0ecc2ba54e
[   29.037786][ T1261] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.037788][ T1261] RSP: 002b:00007ffeb5a36f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.037791][ T1261] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0ecc2ba54e
[   29.037793][ T1261] RDX: 0000000000000000 RSI: 00007ffeb5a36ff0 RDI: 0000000000000005
[   29.037794][ T1261] RBP: 00007ffeb5a36f50 R08: 0000000000000000 R09: 0000000000000000
[   29.037794][ T1261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103ec


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