======================================
| [   10.792759][  T210] softirqs last disabled at (28453): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.792762][  T210] Preemption disabled at:
| [   10.792762][  T210] 0x0
| [   10.792773][  T210] Tainted: [W]=WARN
[   10.792774][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.792775][  T210] Call Trace:
[   10.792777][  T210]  <TASK>
[   10.792779][  T210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.792785][  T210]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.792790][  T210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.792794][  T210]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.792798][  T210]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.792800][  T210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.792808][  T210]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.792810][  T210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.792814][  T210]  put_chars (drivers/char/virtio_console.c:1176)
[   10.792817][  T210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.792818][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.792821][  T210]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.792827][  T210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.792834][  T210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.792837][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.792839][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.792843][  T210]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.792847][  T210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.792849][  T210]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.792852][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.792853][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.792857][  T210]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.792861][  T210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.792863][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.792869][  T210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.792872][  T210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.792873][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.792875][  T210]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.792879][  T210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.792881][  T210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.792883][  T210]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.792886][  T210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.792889][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.792893][  T210]  _printk (kernel/printk/printk.c:2504)
[   10.792896][  T210]  ? snapshot_read.cold (user.c:?)
[   10.792899][  T210]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.792902][  T210]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.792906][  T210]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.792908][  T210]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.792912][  T210]  ? exit_notify (kernel/exit.c:780)
[   10.792913][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.792916][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.792920][  T210]  do_group_exit (kernel/exit.c:1151)
[   10.792922][  T210]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.792924][  T210]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.792927][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.792931][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.792934][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.792936][  T210] RIP: 0033:0x7fbcce9321b8
[   10.792938][  T210] Code: Unable to access opcode bytes at 0x7fbcce93218e.

Code starting with the faulting instruction
===========================================
[   10.792939][  T210] RSP: 002b:00007ffee7cf92f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.792943][  T210] RAX: ffffffffffffffda RBX: 00007fbccea62f88 RCX: 00007fbcce9321b8
[   10.792945][  T210] RDX: 00007fbcce67cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.792946][  T210] RBP: 00007ffee7cf9350 R08: 0000000000000000 R09: 0000000000000050
[   10.792947][  T210] R10: 00007ffee7cf9110 R11: 0000000000000246 R12: 0000000000000001
[   10.792947][  T210] R13: 0000000000000000 R14: 00007fbccea61680 R15: 00007fbccea62fa0
| [   12.021898][  T240] softirqs last disabled at (26898): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.021900][  T240] Preemption disabled at:
| [   12.021901][  T240] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.021910][  T240] Tainted: [W]=WARN
[   12.021911][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.021913][  T240] Call Trace:
[   12.021914][  T240]  <TASK>
[   12.021916][  T240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.021922][  T240]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.021923][  T240]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.021928][  T240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.021932][  T240]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.021937][  T240]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.021939][  T240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.021948][  T240]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.021951][  T240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.021954][  T240]  put_chars (drivers/char/virtio_console.c:1176)
[   12.021957][  T240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.021963][  T240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.021971][  T240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.021974][  T240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.021979][  T240]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.021982][  T240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.021984][  T240]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.021987][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.021990][  T240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.021994][  T240]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.021998][  T240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.022000][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.022005][  T240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.022008][  T240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.022010][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.022011][  T240]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.022015][  T240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.022017][  T240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.022019][  T240]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.022022][  T240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.022024][  T240]  ? save_trace (kernel/locking/lockdep.c:589)
[   12.022029][  T240]  _printk (kernel/printk/printk.c:2504)
[   12.022032][  T240]  ? snapshot_read.cold (user.c:?)
[   12.022035][  T240]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.022037][  T240]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.022041][  T240]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.022044][  T240]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.022046][  T240]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.022049][  T240]  ? netdev_notice (net/core/dev.c:13194)
[   12.022052][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.022054][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.022057][  T240]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.022060][  T240]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.022062][  T240]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.022064][  T240]  ? register_netdev (net/core/dev.c:11618)
[   12.022066][  T240]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   12.022071][  T240]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.022073][  T240]  ? __kernel_text_address (kernel/extable.c:79)
[   12.022076][  T240]  ? write_profile (profile.c:?)
[   12.022080][  T240]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.022086][  T240]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.022089][  T240]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.022091][  T240]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.022093][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.022095][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.022099][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.022101][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.022103][  T240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.022105][  T240]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.022107][  T240]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.022108][  T240]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.022109][  T240]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.022112][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.022114][  T240]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.022117][  T240]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.022121][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.022123][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.022125][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.022127][  T240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.022128][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.022129][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.022131][  T240]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.022133][  T240]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.022136][  T240]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.022138][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.022141][  T240]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.022142][  T240]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.022147][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.022149][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.022154][  T240]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.022160][  T240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.022161][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.022166][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.022168][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.022170][  T240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.022171][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.022175][  T240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.022177][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.022180][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.022181][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.022186][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.022188][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.022191][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.022194][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.022197][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.022203][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.022205][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.022209][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.022213][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.022216][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.022220][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.022224][  T240]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.022228][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.022229][  T240]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.022235][  T240]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.022237][  T240]  ____sys_sendmsg (net/socket.c:2713)
[   12.022240][  T240]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.022242][  T240]  ? sock_write_iter (net/socket.c:1269)
[   12.022243][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   12.022251][  T240]  ___sys_sendmsg (net/socket.c:2767)
[   12.022253][  T240]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.022269][  T240]  __sys_sendmsg (net/socket.c:2799)
[   12.022272][  T240]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.022278][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.022281][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.022284][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.022287][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.022289][  T240] RIP: 0033:0x7f62eacc754e
[   12.022293][  T240] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.022294][  T240] RSP: 002b:00007ffd17de3db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.022297][  T240] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f62eacc754e
[   12.022298][  T240] RDX: 0000000000000000 RSI: 00007ffd17de3e60 RDI: 0000000000000005
[   12.022299][  T240] RBP: 00007ffd17de3dc0 R08: 0000000000000000 R09: 0000000000000000
[   12.022300][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913595
[   12.022301][  T240] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd17de4530
| [   13.147108][  T275] softirqs last disabled at (19153): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.147111][  T275] Preemption disabled at:
| [   13.147112][  T275] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.147123][  T275] Tainted: [W]=WARN
[   13.147124][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.147127][  T275] Call Trace:
[   13.147129][  T275]  <TASK>
[   13.147131][  T275]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.147138][  T275]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.147141][  T275]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.147147][  T275]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.147152][  T275]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.147159][  T275]  __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))
[   13.147162][  T275]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.147172][  T275]  ? 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)
[   13.147175][  T275]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.147181][  T275]  put_chars (drivers/char/virtio_console.c:1176)
[   13.147185][  T275]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.147187][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.147192][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.147196][  T275]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.147204][  T275]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.147210][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.147218][  T275]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.147223][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.147231][  T275]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.147237][  T275]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.147240][  T275]  ? 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))
[   13.147245][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.147248][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.147255][  T275]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.147261][  T275]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.147264][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.147273][  T275]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.147277][  T275]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.147280][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.147283][  T275]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.147289][  T275]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.147292][  T275]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.147296][  T275]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.147302][  T275]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.147311][  T275]  ? l2tp_exit (./include/linux/perf_event.h:1597 (discriminator 1) ./net/l2tp/./trace.h:27 (discriminator 1) ./net/l2tp/./trace.h:27 (discriminator 1)) l2tp_core
[   13.147318][  T275]  _printk (kernel/printk/printk.c:2504)
[   13.147323][  T275]  ? snapshot_read.cold (user.c:?)
[   13.147333][  T275]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   13.147338][  T275] l2tp_ip6_init (net/l2tp/l2tp_ip6.c:273) l2tp_ip6
[   13.147343][  T275]  do_one_initcall (init/main.c:1357)
[   13.147347][  T275]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.147355][  T275]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.147358][  T275]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.147367][  T275]  do_init_module (kernel/module/main.c:3117)
[   13.147372][  T275]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.147378][  T275]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.147382][  T275]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.147389][  T275]  load_module (kernel/module/main.c:3593)
[   13.147398][  T275]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   13.147405][  T275]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.147410][  T275]  ? __ia32_sys_fsconfig (??:?)
[   13.147416][  T275]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.147421][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.147427][  T275]  init_module_from_file (kernel/module/main.c:3790)
[   13.147431][  T275]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.147444][  T275]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.147450][  T275]  ? 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)
[   13.147455][  T275]  idempotent_init_module (kernel/module/main.c:3802)
[   13.147460][  T275]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.147470][  T275]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.147474][  T275]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   13.147482][  T275]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.147484][  T275]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.147490][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.147493][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.147498][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.147501][  T275] RIP: 0033:0x7fb03e31437d
[   13.147506][  T275] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.147508][  T275] RSP: 002b:00007fff41177048 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.147512][  T275] RAX: ffffffffffffffda RBX: 000055fa807a1810 RCX: 00007fb03e31437d
[   13.147514][  T275] RDX: 0000000000000000 RSI: 000055fa463bcffd RDI: 0000000000000000
[   13.147515][  T275] RBP: 00007fff411770e0 R08: 0000000000000000 R09: 0000000000000000
[   13.147517][  T275] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa463bcffd


Finger prints:
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars