======================================
| [   10.346831][  T188] softirqs last disabled at (54849): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.346833][  T188] Preemption disabled at:
| [   10.346834][  T188] 0x0
| [   10.346845][  T188] Tainted: [W]=WARN
[   10.346846][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.346848][  T188] Call Trace:
[   10.346850][  T188]  <TASK>
[   10.346851][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.346857][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.346861][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.346865][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.346871][  T188]  __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))
[   10.346873][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.346879][  T188]  ? 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)
[   10.346881][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.346885][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[   10.346887][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.346889][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.346894][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.346899][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.346905][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.346907][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.346910][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.346914][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.346917][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.346919][  T188]  ? 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))
[   10.346922][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.346925][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.346929][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.346933][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.346935][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.346940][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.346943][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.346944][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.346947][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.346950][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.346952][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.346955][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.346959][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.346963][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.346966][  T188]  _printk (kernel/printk/printk.c:2504)
[   10.346970][  T188]  ? snapshot_read.cold (user.c:?)
[   10.346973][  T188]  ? 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)
[   10.346975][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.346979][  T188]  ? 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)
[   10.346982][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.346986][  T188]  ? exit_notify (kernel/exit.c:780)
[   10.346988][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.346990][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.346995][  T188]  do_group_exit (kernel/exit.c:1151)
[   10.346997][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.346999][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.347001][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.347004][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.347007][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.347010][  T188] RIP: 0033:0x7fc046add1b8
[   10.347012][  T188] Code: Unable to access opcode bytes at 0x7fc046add18e.

Code starting with the faulting instruction
===========================================
[   10.347013][  T188] RSP: 002b:00007ffc3486ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.347015][  T188] RAX: ffffffffffffffda RBX: 00007fc046c0df88 RCX: 00007fc046add1b8
[   10.347017][  T188] RDX: 00007fc046827fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.347018][  T188] RBP: 00007ffc3486ceb0 R08: 0000000000000000 R09: 0000000000008010
[   10.347019][  T188] R10: 00007ffc3486cc70 R11: 0000000000000246 R12: 0000000000000001
[   10.347020][  T188] R13: 0000000000000000 R14: 00007fc046c0c680 R15: 00007fc046c0dfa0
| [   12.538327][  T306] softirqs last disabled at (12470): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   12.538330][  T306] Preemption disabled at:
| [   12.538330][  T306] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.538339][  T306] Tainted: [W]=WARN
[   12.538340][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.538342][  T306] Call Trace:
[   12.538346][  T306]  <TASK>
[   12.538348][  T306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.538354][  T306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.538356][  T306]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.538360][  T306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.538364][  T306]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.538369][  T306]  __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))
[   12.538371][  T306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.538377][  T306]  ? 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)
[   12.538379][  T306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.538382][  T306]  put_chars (drivers/char/virtio_console.c:1176)
[   12.538385][  T306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.538389][  T306]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.538393][  T306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.538396][  T306]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.538397][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.538399][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.538403][  T306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.538405][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.538408][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.538412][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.538415][  T306]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.538419][  T306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.538421][  T306]  ? 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))
[   12.538424][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.538426][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.538435][  T306]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.538439][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.538441][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.538446][  T306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.538448][  T306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.538450][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.538452][  T306]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.538456][  T306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.538458][  T306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.538461][  T306]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.538465][  T306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.538467][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.538469][  T306]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.538472][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.538476][  T306]  _printk (kernel/printk/printk.c:2504)
[   12.538479][  T306]  ? snapshot_read.cold (user.c:?)
[   12.538483][  T306]  ? br_multicast_flood (??:?) bridge
[   12.538496][  T306]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.538497][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.538499][  T306]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.538503][  T306] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.538512][  T306] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.538521][  T306] new_nbp (net/bridge/br_if.c:449) bridge
[   12.538529][  T306] br_add_if (net/bridge/br_if.c:592) bridge
[   12.538536][  T306]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.538540][  T306]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.538543][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   12.538547][  T306]  do_set_master (net/core/rtnetlink.c:3071)
[   12.538549][  T306]  ? netif_change_flags (net/core/dev.c:9882)
[   12.538553][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.538556][  T306]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.538559][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.538560][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.538563][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.538567][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.538569][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.538571][  T306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.538574][  T306]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.538577][  T306]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.538578][  T306]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.538581][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.538583][  T306]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.538586][  T306]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.538591][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.538593][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.538595][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.538598][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.538599][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.538601][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.538603][  T306]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.538607][  T306]  ? __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)
[   12.538609][  T306]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.538611][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.538614][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.538616][  T306]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.538620][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.538625][  T306]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.538631][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.538632][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.538637][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.538639][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.538641][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.538643][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.538646][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.538648][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.538651][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.538653][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.538657][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.538659][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.538662][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.538664][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.538667][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.538673][  T306]  ? 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))
[   12.538674][  T306]  ? 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))
[   12.538678][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.538682][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.538684][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.538689][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.538692][  T306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.538696][  T306]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.538701][  T306]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.538704][  T306]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.538706][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.538707][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   12.538715][  T306]  ___sys_sendmsg (net/socket.c:2767)
[   12.538717][  T306]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.538733][  T306]  __sys_sendmsg (net/socket.c:2799)
[   12.538736][  T306]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.538742][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.538745][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.538748][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.538751][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.538753][  T306] RIP: 0033:0x7f52faa4454e
[   12.538756][  T306] 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
[   12.538758][  T306] RSP: 002b:00007ffea5cbe6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.538761][  T306] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f52faa4454e
[   12.538763][  T306] RDX: 0000000000000000 RSI: 00007ffea5cbe7a0 RDI: 0000000000000005
[   12.538763][  T306] RBP: 00007ffea5cbe700 R08: 0000000000000000 R09: 0000000000000000
[   12.538764][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915df8
[   12.538765][  T306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea5cbee60
| [   27.999453][    C0] softirqs last disabled at (731071): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.999454][    C0] Preemption disabled at:
| [   27.999455][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.999465][    C0] Tainted: [W]=WARN
[   27.999466][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.999468][    C0] Call Trace:
[   27.999470][    C0]  <IRQ>
[   27.999471][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.999476][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.999478][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.999486][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.999489][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.999492][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999496][    C0]  __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))
[   27.999499][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.999501][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.999505][    C0]  ? 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)
[   27.999507][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.999509][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.999511][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.999513][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.999516][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.999519][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.999520][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999522][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.999524][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.999527][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.999529][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999530][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999532][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.999534][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.999535][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.999537][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.999540][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.999542][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.999543][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.999545][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999546][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.999548][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.999550][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.999551][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.999553][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.999556][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.999557][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999559][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.999561][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   27.999565][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.999568][    C0]  ? snapshot_read.cold (user.c:?)
[   27.999570][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.999574][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.999576][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.999578][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.999580][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.999583][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.999585][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.999586][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.999588][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.999590][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.999602][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999604][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.999606][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.999612][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.999614][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.999620][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.999626][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.999632][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.999636][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.999637][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.999641][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.999642][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.999644][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999646][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.999648][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.999655][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.999657][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.999660][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.999662][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.999664][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.999666][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.999668][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999670][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.999671][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.999673][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.999675][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.999676][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.999678][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.999681][    C0]  </IRQ>
[   27.999681][    C0]  <TASK>
[   27.999682][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.999683][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.999686][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.999689][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.999691][    C0] RSP: 0018:ffffffff90a07cf8 EFLAGS: 00000296
[   27.999694][    C0] RAX: 00000000000b27bd RBX: ffffffff90a1c600 RCX: ffffffff8daf0307
[   27.999695][    C0] RDX: ffffffff90a1c600 RSI: ffffffff90838b01 RDI: ffffffff9028d8e0
[   27.999696][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.999697][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2140fa2
[   27.999698][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.999699][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.999702][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.999704][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.999706][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.999707][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.999709][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.999710][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.999713][    C0]  ? __schedule (kernel/sched/core.c:7278)
[   27.999714][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.999716][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.999717][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.999719][    C0]  rest_init (init/main.c:727)
[   27.999721][    C0]  ? __cpuidle_text_end (??:?)
[   27.999723][    C0]  ? rest_init (init/main.c:727)
[   27.999725][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.999729][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.999731][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.999734][    C0]  start_kernel (init/main.c:1185)
[   27.999736][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.999738][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.999740][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.065064][    C0]
| [   28.065198][    C0]
| [   28.065198][    C0] stack backtrace:
| [   28.065393][    C0] Tainted: [W]=WARN
[   28.065395][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.065397][    C0] Call Trace:
[   28.065398][    C0]  <IRQ>
[   28.065400][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.065404][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.065407][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.065410][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.065412][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.065413][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.065416][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.065417][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.065425][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.065428][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.065430][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.065436][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.065438][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.065444][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.065451][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.065457][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.065459][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.065461][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.065465][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.065467][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.065469][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.065471][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.065472][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.065479][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.065484][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.065487][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.065490][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.065492][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.065494][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.065496][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.065498][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.065501][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.065503][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.065507][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.065508][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.065510][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.065512][    C0]  </IRQ>
[   28.065512][    C0]  <TASK>
[   28.065513][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.065515][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.065516][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.065518][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.065520][    C0] RSP: 0018:ffffffff90a07cf8 EFLAGS: 00000296
[   28.065523][    C0] RAX: 00000000000b27bd RBX: ffffffff90a1c600 RCX: ffffffff8daf0307
[   28.065525][    C0] RDX: ffffffff90a1c600 RSI: ffffffff90838b01 RDI: ffffffff9028d8e0
[   28.065526][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.065526][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2140fa2
[   28.065527][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.065528][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.065531][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.065532][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.065534][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.065535][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.065537][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.065539][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.065541][    C0]  ? __schedule (kernel/sched/core.c:7278)
[   28.065542][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.065544][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.065545][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.065547][    C0]  rest_init (init/main.c:727)
[   28.065549][    C0]  ? __cpuidle_text_end (??:?)
[   28.065551][    C0]  ? rest_init (init/main.c:727)
[   28.065553][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.065558][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.065561][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.065563][    C0]  start_kernel (init/main.c:1185)
[   28.065564][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.065566][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.065568][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   89.503478][  T750] softirqs last disabled at (0): 0x0
| [   89.503479][  T750] Preemption disabled at:
| [   89.503480][  T750] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.503492][  T750] Tainted: [W]=WARN
[   89.503493][  T750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.503496][  T750] Call Trace:
[   89.503498][  T750]  <TASK>
[   89.503499][  T750]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.503505][  T750]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.503507][  T750]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.503510][  T750]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   89.503512][  T750]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.503515][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503519][  T750]  __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))
[   89.503522][  T750]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.503525][  T750]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.503529][  T750]  ? 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)
[   89.503530][  T750]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.503532][  T750]  put_chars (drivers/char/virtio_console.c:1176)
[   89.503534][  T750]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.503536][  T750]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   89.503538][  T750]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.503541][  T750]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.503542][  T750]  ? vsnprintf (lib/vsprintf.c:2900)
[   89.503546][  T750]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.503547][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503549][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503551][  T750]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.503553][  T750]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.503555][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503557][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503558][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503560][  T750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.503562][  T750]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   89.503563][  T750]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.503566][  T750]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.503568][  T750]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.503570][  T750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.503571][  T750]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.503573][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503574][  T750]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.503576][  T750]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   89.503577][  T750]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   89.503579][  T750]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.503582][  T750]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.503583][  T750]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.503586][  T750]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.503588][  T750]  ? netdev_run_todo (net/core/dev.c:11776)
[   89.503592][  T750]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   89.503595][  T750]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   89.503596][  T750]  _printk (kernel/printk/printk.c:2504)
[   89.503599][  T750]  ? snapshot_read.cold (user.c:?)
[   89.503601][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503603][  T750]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   89.503604][  T750]  ? __up_write (kernel/locking/rwsem.c:1415)
[   89.503606][  T750]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   89.503607][  T750]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.503609][  T750]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   89.503610][  T750] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   89.503612][  T750]  do_one_initcall (init/main.c:1357)
[   89.503614][  T750]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   89.503617][  T750]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   89.503619][  T750]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   89.503622][  T750]  do_init_module (kernel/module/main.c:3117)
[   89.503624][  T750]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   89.503626][  T750]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   89.503628][  T750]  load_module (kernel/module/main.c:3593)
[   89.503632][  T750]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   89.503634][  T750]  ? __ia32_sys_fsconfig (??:?)
[   89.503637][  T750]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   89.503640][  T750]  ? backing_file_read_iter (fs/backing-file.c:211)
[   89.503643][  T750]  init_module_from_file (kernel/module/main.c:3790)
[   89.503645][  T750]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   89.503647][  T750]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   89.503650][  T750]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.503651][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503653][  T750]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.503654][  T750]  ? 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)
[   89.503656][  T750]  idempotent_init_module (kernel/module/main.c:3802)
[   89.503658][  T750]  ? init_module_from_file (kernel/module/main.c:3791)
[   89.503661][  T750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.503663][  T750]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   89.503667][  T750]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   89.503669][  T750]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.503672][  T750]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.503673][  T750]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.503675][  T750]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.503678][  T750] RIP: 0033:0x7f1e578f137d
[   89.503679][  T750] 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
[   89.503681][  T750] RSP: 002b:00007fffb0fc1a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   89.503690][  T750] RAX: ffffffffffffffda RBX: 00005603371b0810 RCX: 00007f1e578f137d
[   89.503692][  T750] RDX: 0000000000000000 RSI: 00005603220b8ffd RDI: 0000000000000000
[   89.503692][  T750] RBP: 00007fffb0fc1aa0 R08: 0000000000000000 R09: 0000000000000000
[   89.503693][  T750] R10: 0000000000000000 R11: 0000000000000246 R12: 00005603220b8ffd
[   89.503694][  T750] R13: 00005603371b0960 R14: 0000000000040000 R15: 0000000000000000
| [  118.385489][  T927] softirqs last disabled at (0): 0x0
| [  118.385491][  T927] Preemption disabled at:
| [  118.385492][  T927] 0x0
| [  118.385501][  T927] Tainted: [W]=WARN
[  118.385501][  T927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.385503][  T927] Call Trace:
[  118.385505][  T927]  <TASK>
[  118.385506][  T927]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.385512][  T927]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.385516][  T927]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.385519][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385524][  T927]  __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))
[  118.385527][  T927]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.385530][  T927]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.385534][  T927]  ? 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)
[  118.385536][  T927]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.385538][  T927]  put_chars (drivers/char/virtio_console.c:1176)
[  118.385540][  T927]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.385541][  T927]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  118.385545][  T927]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.385548][  T927]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.385551][  T927]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.385552][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385554][  T927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.385556][  T927]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.385559][  T927]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.385561][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385562][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385564][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385566][  T927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.385568][  T927]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  118.385569][  T927]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.385572][  T927]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.385575][  T927]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.385576][  T927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.385578][  T927]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.385580][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385581][  T927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.385583][  T927]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  118.385584][  T927]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  118.385586][  T927]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.385588][  T927]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.385590][  T927]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.385593][  T927]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.385595][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385596][  T927]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.385599][  T927]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  118.385601][  T927]  _printk (kernel/printk/printk.c:2504)
[  118.385604][  T927]  ? snapshot_read.cold (user.c:?)
[  118.385606][  T927]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  118.385611][  T927] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  118.385624][  T927] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  118.385632][  T927] br_device_event (net/bridge/br.c:111) bridge
[  118.385641][  T927]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  118.385644][  T927]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  118.385646][  T927]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  118.385651][  T927]  notifier_call_chain (kernel/notifier.c:85)
[  118.385654][  T927]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  118.385658][  T927]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.385659][  T927]  ? netif_change_name (net/core/dev.c:1517)
[  118.385662][  T927]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  118.385664][  T927]  ? __kernel_text_address (kernel/extable.c:79)
[  118.385666][  T927]  ? write_profile (profile.c:?)
[  118.385668][  T927]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  118.385671][  T927]  netif_change_flags (net/core/dev.c:9882)
[  118.385673][  T927]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  118.385676][  T927]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  118.385678][  T927]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  118.385679][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385681][  T927]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.385685][  T927]  ? kasan_save_stack (mm/kasan/common.c:58)
[  118.385687][  T927]  ? kasan_save_stack (mm/kasan/common.c:57)
[  118.385689][  T927]  ? kasan_save_track (mm/kasan/common.c:78)
[  118.385690][  T927]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  118.385692][  T927]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  118.385694][  T927]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  118.385695][  T927]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.385696][  T927]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.385699][  T927]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.385700][  T927]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.385702][  T927]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.385704][  T927]  ? ___sys_sendmsg (net/socket.c:2767)
[  118.385705][  T927]  ? __sys_sendmsg (net/socket.c:2799)
[  118.385707][  T927]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.385709][  T927]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.385712][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385713][  T927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.385715][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385716][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385718][  T927]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  118.385721][  T927]  ? __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)
[  118.385722][  T927]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  118.385724][  T927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  118.385725][  T927]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  118.385727][  T927]  ? nla_get_range_signed (lib/nlattr.c:270)
[  118.385729][  T927]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  118.385731][  T927]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  118.385733][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385735][  T927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.385736][  T927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.385737][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385739][  T927]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  118.385743][  T927]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  118.385744][  T927]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  118.385746][  T927]  ? __kernel_text_address (kernel/extable.c:79)
[  118.385747][  T927]  ? write_profile (profile.c:?)
[  118.385748][  T927]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  118.385750][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385751][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385753][  T927]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  118.385757][  T927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.385758][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385760][  T927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.385761][  T927]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.385763][  T927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.385764][  T927]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.385766][  T927]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.385768][  T927]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.385770][  T927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.385771][  T927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.385773][  T927]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.385774][  T927]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  118.385776][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385785][  T927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.385787][  T927]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.385789][  T927]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.385790][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385792][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385794][  T927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.385796][  T927]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.385797][  T927]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.385799][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385801][  T927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.385803][  T927]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  118.385805][  T927]  ? copy_msghdr_from_user (net/socket.c:2650)
[  118.385806][  T927]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  118.385808][  T927]  ? move_addr_to_kernel (net/socket.c:258)
[  118.385809][  T927]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.385812][  T927]  ___sys_sendmsg (net/socket.c:2767)
[  118.385814][  T927]  ? copy_msghdr_from_user (net/socket.c:2619)
[  118.385819][  T927]  __sys_sendmsg (net/socket.c:2799)
[  118.385821][  T927]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  118.385823][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.385825][  T927]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.385827][  T927]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.385829][  T927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.385830][  T927] RIP: 0033:0x7f60a65dc54e
[  118.385832][  T927] 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
[  118.385834][  T927] RSP: 002b:00007ffe9fb8bc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  118.385838][  T927] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f60a65dc54e
[  118.385839][  T927] RDX: 0000000000000000 RSI: 00007ffe9fb8bcc0 RDI: 0000000000000005
[  118.385840][  T927] RBP: 00007ffe9fb8bc20 R08: 0000000000000000 R09: 0000000000000000
[  118.385841][  T927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e62


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__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
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars