======================================
| [    9.514720][  T186] softirqs last disabled at (38497): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.514722][  T186] Preemption disabled at:
| [    9.514723][  T186] 0x0
| [    9.514733][  T186] Tainted: [W]=WARN
[    9.514734][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.514735][  T186] Call Trace:
[    9.514737][  T186]  <TASK>
[    9.514738][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.514745][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.514749][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.514753][  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)
[    9.514758][  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))
[    9.514761][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.514767][  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)
[    9.514769][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.514772][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.514775][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.514776][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.514781][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.514786][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.514793][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.514795][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.514797][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.514801][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.514805][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.514807][  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))
[    9.514810][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.514812][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.514816][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.514820][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.514822][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.514827][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.514830][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.514832][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.514834][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.514838][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.514839][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.514843][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.514846][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.514850][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.514853][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.514857][  T186]  ? snapshot_read.cold (user.c:?)
[    9.514860][  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)
[    9.514863][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.514870][  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)
[    9.514873][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.514877][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.514879][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.514881][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.514886][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.514888][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.514890][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.514892][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.514896][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.514899][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.514901][  T186] RIP: 0033:0x7fdfa02471b8
[    9.514903][  T186] Code: Unable to access opcode bytes at 0x7fdfa024718e.

Code starting with the faulting instruction
===========================================
[    9.514904][  T186] RSP: 002b:00007ffd92b320e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.514907][  T186] RAX: ffffffffffffffda RBX: 00007fdfa0377f88 RCX: 00007fdfa02471b8
[    9.514908][  T186] RDX: 00007fdf9ff91fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.514909][  T186] RBP: 00007ffd92b32140 R08: 0000000000000000 R09: 0000000000008010
[    9.514910][  T186] R10: 00007ffd92b31f00 R11: 0000000000000246 R12: 0000000000000001
[    9.514911][  T186] R13: 0000000000000000 R14: 00007fdfa0376680 R15: 00007fdfa0377fa0
| [   11.236090][  T259] softirqs last disabled at (11928): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.236092][  T259] Preemption disabled at:
| [   11.236093][  T259] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.236102][  T259] Tainted: [W]=WARN
[   11.236103][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.236105][  T259] Call Trace:
[   11.236106][  T259]  <TASK>
[   11.236108][  T259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.236116][  T259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.236118][  T259]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.236123][  T259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.236127][  T259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.236132][  T259]  __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))
[   11.236135][  T259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.236140][  T259]  ? 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)
[   11.236143][  T259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.236146][  T259]  put_chars (drivers/char/virtio_console.c:1176)
[   11.236149][  T259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.236153][  T259]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.236157][  T259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.236160][  T259]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.236162][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.236163][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.236167][  T259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.236169][  T259]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.236172][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.236176][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.236180][  T259]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.236184][  T259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.236186][  T259]  ? 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))
[   11.236189][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.236191][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.236195][  T259]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.236199][  T259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.236201][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.236206][  T259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.236209][  T259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.236211][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.236213][  T259]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.236217][  T259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.236218][  T259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.236222][  T259]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.236226][  T259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.236228][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.236230][  T259]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.236234][  T259]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.236238][  T259]  _printk (kernel/printk/printk.c:2504)
[   11.236242][  T259]  ? snapshot_read.cold (user.c:?)
[   11.236245][  T259]  ? br_multicast_flood (??:?) bridge
[   11.236258][  T259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.236260][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.236261][  T259]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.236265][  T259] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.236275][  T259] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.236284][  T259] new_nbp (net/bridge/br_if.c:449) bridge
[   11.236293][  T259] br_add_if (net/bridge/br_if.c:592) bridge
[   11.236300][  T259]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.236304][  T259]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.236307][  T259]  ? __kernel_text_address (kernel/extable.c:79)
[   11.236311][  T259]  do_set_master (net/core/rtnetlink.c:3071)
[   11.236316][  T259]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.236319][  T259]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.236322][  T259]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.236323][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.236326][  T259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.236329][  T259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.236332][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.236334][  T259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.236337][  T259]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.236339][  T259]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.236341][  T259]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.236344][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.236346][  T259]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.236349][  T259]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.236353][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.236355][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.236358][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.236360][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.236362][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.236363][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.236366][  T259]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.236370][  T259]  ? __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)
[   11.236371][  T259]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.236373][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.236377][  T259]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.236379][  T259]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.236384][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.236389][  T259]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.236394][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.236396][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.236400][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.236402][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.236404][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.236406][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.236410][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.236412][  T259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.236415][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.236416][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.236421][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.236422][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.236426][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.236428][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.236431][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.236437][  T259]  ? 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))
[   11.236438][  T259]  ? 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))
[   11.236442][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.236446][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.236449][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.236453][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.236457][  T259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.236460][  T259]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.236465][  T259]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.236468][  T259]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.236470][  T259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.236472][  T259]  ? move_addr_to_kernel (net/socket.c:258)
[   11.236479][  T259]  ___sys_sendmsg (net/socket.c:2767)
[   11.236482][  T259]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.236498][  T259]  __sys_sendmsg (net/socket.c:2799)
[   11.236500][  T259]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.236507][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.236510][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.236513][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.236516][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.236518][  T259] RIP: 0033:0x7f536ddc754e
[   11.236522][  T259] 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
[   11.236524][  T259] RSP: 002b:00007ffe293d25c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.236526][  T259] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f536ddc754e
[   11.236528][  T259] RDX: 0000000000000000 RSI: 00007ffe293d2670 RDI: 0000000000000005
[   11.236529][  T259] RBP: 00007ffe293d25d0 R08: 0000000000000000 R09: 0000000000000000
[   11.236530][  T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da9d
[   11.236530][  T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe293d2d30
| [   26.492202][    C2] softirqs last disabled at (272605): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.492203][    C2] Preemption disabled at:
| [   26.492204][    C2] 0x0
| [   26.492214][    C2] Tainted: [W]=WARN
[   26.492215][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.492217][    C2] Call Trace:
[   26.492219][    C2]  <IRQ>
[   26.492220][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.492226][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.492229][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.492233][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.492235][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492239][    C2]  __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))
[   26.492242][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.492245][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.492249][    C2]  ? 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)
[   26.492251][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.492253][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   26.492255][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.492256][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.492260][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.492263][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.492265][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492266][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.492269][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.492271][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.492273][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492275][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492276][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.492278][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.492280][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.492282][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.492285][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.492287][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.492288][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.492290][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492291][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.492293][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.492295][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.492297][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.492299][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.492301][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.492303][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492305][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.492307][    C2]  _printk (kernel/printk/printk.c:2504)
[   26.492310][    C2]  ? snapshot_read.cold (user.c:?)
[   26.492312][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   26.492316][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.492318][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.492320][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.492322][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.492325][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.492327][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.492329][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.492331][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.492332][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.492345][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492347][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.492348][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.492355][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.492357][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.492363][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.492369][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.492376][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.492379][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.492381][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.492384][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.492386][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.492388][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.492390][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.492392][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.492398][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.492400][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.492403][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.492405][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.492408][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.492409][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492411][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.492413][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.492415][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.492417][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.492418][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.492420][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.492423][    C2]  </IRQ>
[   26.492423][    C2]  <TASK>
[   26.492424][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.492426][    C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   26.492429][    C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 bf ba fd 48 89 df e8 c9 15 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 df ac fd 65 48 83 3d af 1b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 bf ba fd       	call   0xfffffffffdbabfd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 15 bb fd       	call   0xfffffffffdbb15e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 df ac fd       	call   0xfffffffffdacdfa4
  34:	65 48 83 3d af 1b f3 	cmpq   $0x0,%gs:0x1f31baf(%rip)        # 0x1f31bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 df ac fd       	call   0xfffffffffdacdf7a
   a:	65 48 83 3d af 1b f3 	cmpq   $0x0,%gs:0x1f31baf(%rip)        # 0x1f31bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   26.492431][    C2] RSP: 0018:ffa0000001827cc0 EFLAGS: 00000246
[   26.492434][    C2] RAX: 0000000000000086 RBX: ff11000001041440 RCX: ffffffffb81a7483
[   26.492435][    C2] RDX: ff1100000a6046c0 RSI: ffffffffb8a38b1c RDI: ffffffffb848d8e0
[   26.492436][    C2] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[   26.492437][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ff110000029e4528
[   26.492438][    C2] R13: 0000000000000000 R14: ffa0000001827d08 R15: ff1100000ecd4b88
[   26.492439][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   26.492442][    C2]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   26.492444][    C2]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   26.492446][    C2]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   26.492449][    C2]  kmem_cache_alloc_lru_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5029)
[   26.492450][    C2]  ? alloc_inode (fs/inode.c:340 (discriminator 7))
[   26.492454][    C2]  alloc_inode (fs/inode.c:340 (discriminator 7))
[   26.492456][    C2]  create_pipe_files (./include/linux/fs.h:3044 fs/pipe.c:969 fs/pipe.c:1009)
[   26.492459][    C2]  __do_pipe_flags (fs/pipe.c:1071)
[   26.492461][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.492463][    C2]  do_pipe2 (fs/pipe.c:1119)
[   26.492465][    C2]  ? __do_pipe_flags (fs/pipe.c:1094)
[   26.492467][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.492469][    C2]  __x64_sys_pipe2 (fs/pipe.c:1137 fs/pipe.c:1135 fs/pipe.c:1135)
[   26.492471][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.492473][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.492474][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.492476][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.492477][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.492479][    C2] RIP: 0033:0x7fceb8864d7d
[   26.492480][    C2] Code: 07 31 c0 e9 25 ff ff ff 55 48 8d 3d f5 22 0d 00 48 89 e5 e8 05 92 01 00 0f 1f 44 00 00 f3 0f 1e fa 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0b c3 66 2e 0f 1f 84 00 00 00 00 00 48 8b 15
All code
========
   0:	07                   	(bad)
   1:	31 c0                	xor    %eax,%eax
   3:	e9 25 ff ff ff       	jmp    0xffffffffffffff2d
   8:	55                   	push   %rbp
   9:	48 8d 3d f5 22 0d 00 	lea    0xd22f5(%rip),%rdi        # 0xd2305
  10:	48 89 e5             	mov    %rsp,%rbp
  13:	e8 05 92 01 00       	call   0x1921d
  18:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1d:	f3 0f 1e fa          	endbr64
  21:	31 f6                	xor    %esi,%esi
  23:	b8 25 01 00 00       	mov    $0x125,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0b                	ja     0x3d
  32:	c3                   	ret
  33:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  3a:	00 00 00 
  3d:	48                   	rex.W
  3e:	8b                   	.byte 0x8b
  3f:	15                   	.byte 0x15

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0b                	ja     0x13
   8:	c3                   	ret
   9:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  10:	00 00 00 
  13:	48                   	rex.W
  14:	8b                   	.byte 0x8b
  15:	15                   	.byte 0x15
[   26.492481][    C2] RSP: 002b:00007fff132158d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
[   26.492483][    C2] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fceb8864d7d
[   26.492484][    C2] RDX: 0000555758d3bf20 RSI: 0000000000000000 RDI: 00007fff13215908
[   26.492485][    C2] RBP: 00007fff13215a80 R08: 0000555758c42840 R09: 0000000000000200
[   26.492486][    C2] R10: 0000000000000201 R11: 0000000000000246 R12: 00007fff13215be0
[   26.492487][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
| [   26.560366][    C2]
| [   26.560436][    C2]
| [   26.560436][    C2] stack backtrace:
| [   26.560670][    C2] Tainted: [W]=WARN
[   26.560671][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.560672][    C2] Call Trace:
[   26.560674][    C2]  <IRQ>
[   26.560675][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.560679][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.560682][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.560685][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.560687][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.560689][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.560691][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.560693][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.560700][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.560704][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.560706][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.560712][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.560713][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.560719][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.560725][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.560731][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.560734][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.560735][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.560739][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.560741][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.560743][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.560744][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.560746][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.560753][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.560755][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.560757][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.560760][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.560761][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.560763][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.560765][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.560767][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.560768][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.560770][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.560772][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.560773][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.560775][    C2]  </IRQ>
[   26.560776][    C2]  <TASK>
[   26.560776][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.560778][    C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   26.560780][    C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 bf ba fd 48 89 df e8 c9 15 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 df ac fd 65 48 83 3d af 1b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 bf ba fd       	call   0xfffffffffdbabfd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 15 bb fd       	call   0xfffffffffdbb15e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 df ac fd       	call   0xfffffffffdacdfa4
  34:	65 48 83 3d af 1b f3 	cmpq   $0x0,%gs:0x1f31baf(%rip)        # 0x1f31bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 df ac fd       	call   0xfffffffffdacdf7a
   a:	65 48 83 3d af 1b f3 	cmpq   $0x0,%gs:0x1f31baf(%rip)        # 0x1f31bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   26.560782][    C2] RSP: 0018:ffa0000001827cc0 EFLAGS: 00000246
[   26.560784][    C2] RAX: 0000000000000086 RBX: ff11000001041440 RCX: ffffffffb81a7483
[   26.560786][    C2] RDX: ff1100000a6046c0 RSI: ffffffffb8a38b1c RDI: ffffffffb848d8e0
[   26.560787][    C2] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[   26.560787][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ff110000029e4528
[   26.560788][    C2] R13: 0000000000000000 R14: ffa0000001827d08 R15: ff1100000ecd4b88
[   26.560790][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   26.560792][    C2]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   26.560794][    C2]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   26.560795][    C2]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   26.560797][    C2]  kmem_cache_alloc_lru_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5029)
[   26.560799][    C2]  ? alloc_inode (fs/inode.c:340 (discriminator 7))
[   26.560801][    C2]  alloc_inode (fs/inode.c:340 (discriminator 7))
[   26.560803][    C2]  create_pipe_files (./include/linux/fs.h:3044 fs/pipe.c:969 fs/pipe.c:1009)
[   26.560805][    C2]  __do_pipe_flags (fs/pipe.c:1071)
[   26.560807][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.560809][    C2]  do_pipe2 (fs/pipe.c:1119)
[   26.560811][    C2]  ? __do_pipe_flags (fs/pipe.c:1094)
[   26.560813][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.560815][    C2]  __x64_sys_pipe2 (fs/pipe.c:1137 fs/pipe.c:1135 fs/pipe.c:1135)
[   26.560817][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.560819][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.560820][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.560821][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.560823][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.560824][    C2] RIP: 0033:0x7fceb8864d7d
[   26.560826][    C2] Code: 07 31 c0 e9 25 ff ff ff 55 48 8d 3d f5 22 0d 00 48 89 e5 e8 05 92 01 00 0f 1f 44 00 00 f3 0f 1e fa 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0b c3 66 2e 0f 1f 84 00 00 00 00 00 48 8b 15
All code
========
   0:	07                   	(bad)
   1:	31 c0                	xor    %eax,%eax
   3:	e9 25 ff ff ff       	jmp    0xffffffffffffff2d
   8:	55                   	push   %rbp
   9:	48 8d 3d f5 22 0d 00 	lea    0xd22f5(%rip),%rdi        # 0xd2305
  10:	48 89 e5             	mov    %rsp,%rbp
  13:	e8 05 92 01 00       	call   0x1921d
  18:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1d:	f3 0f 1e fa          	endbr64
  21:	31 f6                	xor    %esi,%esi
  23:	b8 25 01 00 00       	mov    $0x125,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0b                	ja     0x3d
  32:	c3                   	ret
  33:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  3a:	00 00 00 
  3d:	48                   	rex.W
  3e:	8b                   	.byte 0x8b
  3f:	15                   	.byte 0x15

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0b                	ja     0x13
   8:	c3                   	ret
   9:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  10:	00 00 00 
  13:	48                   	rex.W
  14:	8b                   	.byte 0x8b
  15:	15                   	.byte 0x15
[   26.560827][    C2] RSP: 002b:00007fff132158d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
[   26.560828][    C2] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fceb8864d7d
[   26.560829][    C2] RDX: 0000555758d3bf20 RSI: 0000000000000000 RDI: 00007fff13215908
[   26.560830][    C2] RBP: 00007fff13215a80 R08: 0000555758c42840 R09: 0000000000000200
[   26.560831][    C2] R10: 0000000000000201 R11: 0000000000000246 R12: 00007fff13215be0
[   26.560832][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
| [   38.055367][  T443] softirqs last disabled at (0): 0x0
| [   38.055369][  T443] Preemption disabled at:
| [   38.055369][  T443] 0x0
| [   38.055378][  T443] Tainted: [W]=WARN
[   38.055378][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.055380][  T443] Call Trace:
[   38.055382][  T443]  <TASK>
[   38.055383][  T443]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.055388][  T443]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.055392][  T443]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.055396][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055400][  T443]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.055403][  T443]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.055406][  T443]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.055410][  T443]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.055412][  T443]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.055414][  T443]  put_chars (drivers/char/virtio_console.c:1176)
[   38.055416][  T443]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.055417][  T443]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   38.055421][  T443]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.055424][  T443]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.055427][  T443]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.055428][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055430][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.055432][  T443]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.055435][  T443]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.055437][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055438][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055440][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055442][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.055444][  T443]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.055445][  T443]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.055448][  T443]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.055450][  T443]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.055452][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.055454][  T443]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.055455][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055457][  T443]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.055458][  T443]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.055460][  T443]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.055462][  T443]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.055464][  T443]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.055466][  T443]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.055468][  T443]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.055470][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055472][  T443]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.055474][  T443]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   38.055476][  T443]  _printk (kernel/printk/printk.c:2504)
[   38.055479][  T443]  ? snapshot_read.cold (user.c:?)
[   38.055481][  T443]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   38.055486][  T443] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.055499][  T443] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   38.055507][  T443] br_device_event (net/bridge/br.c:111) bridge
[   38.055515][  T443]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   38.055519][  T443]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   38.055521][  T443]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   38.055525][  T443]  notifier_call_chain (kernel/notifier.c:85)
[   38.055528][  T443]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   38.055532][  T443]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.055533][  T443]  ? netif_change_name (net/core/dev.c:1517)
[   38.055536][  T443]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   38.055538][  T443]  ? __kernel_text_address (kernel/extable.c:79)
[   38.055540][  T443]  ? write_profile (profile.c:?)
[   38.055542][  T443]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.055545][  T443]  netif_change_flags (net/core/dev.c:9882)
[   38.055547][  T443]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   38.055550][  T443]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.055551][  T443]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.055552][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055554][  T443]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.055558][  T443]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.055561][  T443]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.055562][  T443]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.055564][  T443]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.055565][  T443]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   38.055567][  T443]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   38.055568][  T443]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.055569][  T443]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.055571][  T443]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.055573][  T443]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.055574][  T443]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.055577][  T443]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.055578][  T443]  ? __sys_sendmsg (net/socket.c:2799)
[   38.055580][  T443]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.055582][  T443]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.055584][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055586][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.055588][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055589][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055591][  T443]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.055594][  T443]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   38.055595][  T443]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.055597][  T443]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.055598][  T443]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.055600][  T443]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.055603][  T443]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.055605][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055606][  T443]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.055608][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.055609][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055611][  T443]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   38.055614][  T443]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.055616][  T443]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.055617][  T443]  ? __kernel_text_address (kernel/extable.c:79)
[   38.055619][  T443]  ? write_profile (profile.c:?)
[   38.055620][  T443]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.055621][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055623][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055625][  T443]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.055628][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.055630][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055632][  T443]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.055633][  T443]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.055635][  T443]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.055636][  T443]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.055638][  T443]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.055640][  T443]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.055642][  T443]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.055643][  T443]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.055644][  T443]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.055646][  T443]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   38.055648][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055650][  T443]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.055652][  T443]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.055654][  T443]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.055656][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055657][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055659][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.055661][  T443]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.055663][  T443]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.055670][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055672][  T443]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.055674][  T443]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.055675][  T443]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.055677][  T443]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.055678][  T443]  ? move_addr_to_kernel (net/socket.c:258)
[   38.055680][  T443]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.055682][  T443]  ___sys_sendmsg (net/socket.c:2767)
[   38.055684][  T443]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.055689][  T443]  __sys_sendmsg (net/socket.c:2799)
[   38.055691][  T443]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.055694][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.055696][  T443]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.055697][  T443]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.055700][  T443]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.055701][  T443] RIP: 0033:0x7f4d6f3bd54e
[   38.055703][  T443] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.055705][  T443] RSP: 002b:00007ffcde3abff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.055709][  T443] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4d6f3bd54e
[   38.055710][  T443] RDX: 0000000000000000 RSI: 00007ffcde3ac0a0 RDI: 0000000000000005
[   38.055711][  T443] RBP: 00007ffcde3ac000 R08: 0000000000000000 R09: 0000000000000000
[   38.055712][  T443] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dab8


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record