======================================
| [   10.014693][  T188] softirqs last disabled at (60579): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.014696][  T188] Preemption disabled at:
| [   10.014696][  T188] 0x0
| [   10.014707][  T188] Tainted: [W]=WARN
[   10.014708][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.014709][  T188] Call Trace:
[   10.014711][  T188]  <TASK>
[   10.014712][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.014719][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.014723][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.014728][  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)
[   10.014733][  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))
[   10.014736][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.014741][  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)
[   10.014744][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.014747][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[   10.014750][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.014752][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.014756][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.014761][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.014768][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.014770][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.014773][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.014777][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.014781][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.014782][  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))
[   10.014786][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.014788][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.014792][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.014796][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.014798][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.014803][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.014806][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.014808][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.014810][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.014814][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.014816][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.014819][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.014823][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.014826][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.014830][  T188]  _printk (kernel/printk/printk.c:2504)
[   10.014834][  T188]  ? snapshot_read.cold (user.c:?)
[   10.014837][  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)
[   10.014839][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.014843][  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)
[   10.014846][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.014850][  T188]  ? exit_notify (kernel/exit.c:780)
[   10.014852][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.014855][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.014859][  T188]  do_group_exit (kernel/exit.c:1151)
[   10.014862][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.014863][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.014866][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.014869][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.014872][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.014874][  T188] RIP: 0033:0x7f5b227df1b8
[   10.014877][  T188] Code: Unable to access opcode bytes at 0x7f5b227df18e.

Code starting with the faulting instruction
===========================================
[   10.014878][  T188] RSP: 002b:00007ffc29c1a968 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.014880][  T188] RAX: ffffffffffffffda RBX: 00007f5b2290ff88 RCX: 00007f5b227df1b8
[   10.014882][  T188] RDX: 00007f5b22529fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.014883][  T188] RBP: 00007ffc29c1a9c0 R08: 0000000000000000 R09: 0000000000008010
[   10.014884][  T188] R10: 00007ffc29c1a780 R11: 0000000000000246 R12: 0000000000000001
[   10.014885][  T188] R13: 0000000000000000 R14: 00007f5b2290e680 R15: 00007f5b2290ffa0
| [   11.674083][  T250] softirqs last disabled at (17440): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.674086][  T250] Preemption disabled at:
| [   11.674087][  T250] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.674096][  T250] Tainted: [W]=WARN
[   11.674097][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.674099][  T250] Call Trace:
[   11.674101][  T250]  <TASK>
[   11.674102][  T250]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.674108][  T250]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.674110][  T250]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.674115][  T250]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.674120][  T250]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.674125][  T250]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.674127][  T250]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.674132][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.674135][  T250]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.674138][  T250]  put_chars (drivers/char/virtio_console.c:1176)
[   11.674141][  T250]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.674145][  T250]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.674149][  T250]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.674152][  T250]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.674154][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674155][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674159][  T250]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.674161][  T250]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.674164][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674168][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.674172][  T250]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.674175][  T250]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.674177][  T250]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.674180][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674182][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.674186][  T250]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.674190][  T250]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.674192][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674197][  T250]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.674199][  T250]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.674201][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674203][  T250]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.674207][  T250]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.674208][  T250]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.674212][  T250]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.674215][  T250]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.674218][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.674219][  T250]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.674224][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.674227][  T250]  _printk (kernel/printk/printk.c:2504)
[   11.674231][  T250]  ? snapshot_read.cold (user.c:?)
[   11.674235][  T250]  ? br_multicast_flood (??:?) bridge
[   11.674249][  T250]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.674250][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.674251][  T250]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.674256][  T250] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.674266][  T250] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.674274][  T250] new_nbp (net/bridge/br_if.c:449) bridge
[   11.674283][  T250] br_add_if (net/bridge/br_if.c:592) bridge
[   11.674290][  T250]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.674294][  T250]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.674297][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.674300][  T250]  do_set_master (net/core/rtnetlink.c:3071)
[   11.674305][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.674308][  T250]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.674311][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.674312][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.674315][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.674318][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.674321][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.674322][  T250]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.674325][  T250]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.674328][  T250]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.674329][  T250]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.674332][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674334][  T250]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.674337][  T250]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.674341][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.674343][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.674346][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674348][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.674350][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674351][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674353][  T250]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.674357][  T250]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.674359][  T250]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.674361][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.674364][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.674366][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.674371][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.674376][  T250]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.674381][  T250]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.674383][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674387][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.674389][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.674391][  T250]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.674392][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.674396][  T250]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.674398][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.674401][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.674402][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674406][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.674408][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.674411][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.674413][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.674416][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.674422][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.674423][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.674427][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.674431][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.674433][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.674437][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.674441][  T250]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.674445][  T250]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.674450][  T250]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.674452][  T250]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.674454][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.674456][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.674463][  T250]  ___sys_sendmsg (net/socket.c:2767)
[   11.674466][  T250]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.674481][  T250]  __sys_sendmsg (net/socket.c:2799)
[   11.674483][  T250]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.674489][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.674493][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.674495][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.674498][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.674500][  T250] RIP: 0033:0x7fc6fbb0954e
[   11.674504][  T250] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.674506][  T250] RSP: 002b:00007ffded6b73f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.674509][  T250] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc6fbb0954e
[   11.674510][  T250] RDX: 0000000000000000 RSI: 00007ffded6b74a0 RDI: 0000000000000005
[   11.674511][  T250] RBP: 00007ffded6b7400 R08: 0000000000000000 R09: 0000000000000000
[   11.674512][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab58
[   11.674512][  T250] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffded6b7b60
| [   26.992096][    C0] softirqs last disabled at (640785): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.992097][    C0] Preemption disabled at:
| [   26.992098][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   26.992108][    C0] Tainted: [W]=WARN
[   26.992109][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.992111][    C0] Call Trace:
[   26.992112][    C0]  <IRQ>
[   26.992114][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.992119][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   26.992120][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.992124][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.992127][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.992130][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992134][    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))
[   26.992137][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.992140][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.992143][    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)
[   26.992145][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.992147][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   26.992149][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.992150][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.992154][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.992157][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.992159][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992160][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.992162][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.992165][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.992167][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992168][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992170][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.992172][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.992174][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.992176][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.992178][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.992180][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.992182][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.992183][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992185][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.992186][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.992188][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.992190][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.992192][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.992194][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.992196][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992197][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.992199][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   26.992204][    C0]  _printk (kernel/printk/printk.c:2504)
[   26.992207][    C0]  ? snapshot_read.cold (user.c:?)
[   26.992208][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.992212][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.992215][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.992216][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.992218][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.992221][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.992223][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.992225][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.992227][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.992229][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.992243][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992245][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.992247][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.992254][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.992255][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.992261][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.992268][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.992274][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.992277][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.992279][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.992282][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.992284][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.992286][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992288][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.992290][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.992297][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.992298][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.992301][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.992303][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.992305][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.992307][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.992309][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992311][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.992313][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.992314][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.992316][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.992318][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.992319][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.992322][    C0]  </IRQ>
[   26.992323][    C0]  <TASK>
[   26.992323][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.992325][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.992327][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.992330][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   26.992332][    C0] RSP: 0018:ffffffffb4a07cf8 EFLAGS: 00000296
[   26.992335][    C0] RAX: 000000000009c70f RBX: ffffffffb4a1c600 RCX: ffffffffb1af0307
[   26.992336][    C0] RDX: ffffffffb4a1c600 RSI: ffffffffb4838af6 RDI: ffffffffb428d8e0
[   26.992337][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.992338][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6940fa2
[   26.992339][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.992341][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.992344][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.992345][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.992347][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.992348][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.992350][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.992352][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.992354][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.992356][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.992357][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.992359][    C0]  rest_init (init/main.c:727)
[   26.992361][    C0]  ? __cpuidle_text_end (??:?)
[   26.992364][    C0]  ? rest_init (init/main.c:727)
[   26.992366][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.992369][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.992372][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.992374][    C0]  start_kernel (init/main.c:1185)
[   26.992376][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.992378][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.992380][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.056448][    C0]
| [   27.056566][    C0]
| [   27.056566][    C0] stack backtrace:
| [   27.056744][    C0] Tainted: [W]=WARN
[   27.056745][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.056747][    C0] Call Trace:
[   27.056748][    C0]  <IRQ>
[   27.056749][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.056753][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.056761][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.056763][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.056765][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.056767][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.056769][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.056771][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.056778][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.056781][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.056783][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.056790][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.056791][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.056797][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.056804][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.056811][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.056813][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.056815][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.056819][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.056821][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.056823][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.056825][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.056827][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.056833][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.056835][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.056838][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.056840][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.056842][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.056844][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.056846][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.056848][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.056850][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.056851][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.056853][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.056855][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.056856][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.056858][    C0]  </IRQ>
[   27.056859][    C0]  <TASK>
[   27.056859][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.056861][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.056863][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.056865][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   27.056867][    C0] RSP: 0018:ffffffffb4a07cf8 EFLAGS: 00000296
[   27.056869][    C0] RAX: 000000000009c70f RBX: ffffffffb4a1c600 RCX: ffffffffb1af0307
[   27.056870][    C0] RDX: ffffffffb4a1c600 RSI: ffffffffb4838af6 RDI: ffffffffb428d8e0
[   27.056871][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.056872][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6940fa2
[   27.056873][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.056874][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.056876][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.056878][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.056880][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.056881][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.056883][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.056884][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.056887][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.056889][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.056890][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.056892][    C0]  rest_init (init/main.c:727)
[   27.056893][    C0]  ? __cpuidle_text_end (??:?)
[   27.056896][    C0]  ? rest_init (init/main.c:727)
[   27.056898][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.056902][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.056905][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.056907][    C0]  start_kernel (init/main.c:1185)
[   27.056908][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.056910][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.056912][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   38.428956][  T349] softirqs last disabled at (0): 0x0
| [   38.428958][  T349] Preemption disabled at:
| [   38.428958][  T349] 0x0
| [   38.428966][  T349] Tainted: [W]=WARN
[   38.428967][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.428969][  T349] Call Trace:
[   38.428970][  T349]  <TASK>
[   38.428972][  T349]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.428977][  T349]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.428983][  T349]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.428987][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.428991][  T349]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.428995][  T349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.428998][  T349]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.429002][  T349]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.429003][  T349]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.429005][  T349]  put_chars (drivers/char/virtio_console.c:1176)
[   38.429007][  T349]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.429009][  T349]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   38.429013][  T349]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.429016][  T349]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.429018][  T349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.429020][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429022][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.429024][  T349]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.429027][  T349]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.429029][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429030][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429032][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429033][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.429035][  T349]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.429037][  T349]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.429039][  T349]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.429042][  T349]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.429044][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.429045][  T349]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.429047][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429048][  T349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.429050][  T349]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.429051][  T349]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.429053][  T349]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.429055][  T349]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.429057][  T349]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.429060][  T349]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.429061][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429063][  T349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.429065][  T349]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   38.429067][  T349]  _printk (kernel/printk/printk.c:2504)
[   38.429070][  T349]  ? snapshot_read.cold (user.c:?)
[   38.429072][  T349]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   38.429077][  T349] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.429090][  T349] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   38.429098][  T349] br_device_event (net/bridge/br.c:111) bridge
[   38.429107][  T349]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   38.429110][  T349]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   38.429112][  T349]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   38.429116][  T349]  notifier_call_chain (kernel/notifier.c:85)
[   38.429119][  T349]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   38.429123][  T349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.429124][  T349]  ? netif_change_name (net/core/dev.c:1517)
[   38.429127][  T349]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   38.429128][  T349]  ? __kernel_text_address (kernel/extable.c:79)
[   38.429130][  T349]  ? write_profile (profile.c:?)
[   38.429133][  T349]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.429136][  T349]  netif_change_flags (net/core/dev.c:9882)
[   38.429138][  T349]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   38.429141][  T349]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.429142][  T349]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.429143][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429145][  T349]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.429149][  T349]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.429152][  T349]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.429153][  T349]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.429155][  T349]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.429156][  T349]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   38.429158][  T349]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   38.429159][  T349]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.429160][  T349]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.429162][  T349]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.429164][  T349]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.429165][  T349]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.429167][  T349]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.429169][  T349]  ? __sys_sendmsg (net/socket.c:2799)
[   38.429170][  T349]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.429172][  T349]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.429175][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429177][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.429178][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429180][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429181][  T349]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.429184][  T349]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   38.429186][  T349]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.429187][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.429189][  T349]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.429191][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.429193][  T349]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.429195][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429197][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.429198][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.429199][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429201][  T349]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   38.429204][  T349]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.429206][  T349]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.429207][  T349]  ? __kernel_text_address (kernel/extable.c:79)
[   38.429209][  T349]  ? write_profile (profile.c:?)
[   38.429210][  T349]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.429211][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429213][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429214][  T349]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.429218][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.429219][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429221][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.429222][  T349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.429224][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.429225][  T349]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.429227][  T349]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.429230][  T349]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.429232][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.429234][  T349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.429236][  T349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.429237][  T349]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   38.429240][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429241][  T349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.429243][  T349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.429245][  T349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.429247][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429249][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429250][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.429252][  T349]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.429254][  T349]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.429256][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429258][  T349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.429259][  T349]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.429261][  T349]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.429263][  T349]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.429264][  T349]  ? move_addr_to_kernel (net/socket.c:258)
[   38.429266][  T349]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.429268][  T349]  ___sys_sendmsg (net/socket.c:2767)
[   38.429270][  T349]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.429275][  T349]  __sys_sendmsg (net/socket.c:2799)
[   38.429277][  T349]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.429279][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.429282][  T349]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.429283][  T349]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.429285][  T349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.429287][  T349] RIP: 0033:0x7f38534ee54e
[   38.429288][  T349] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.429290][  T349] RSP: 002b:00007ffdd41e30c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.429294][  T349] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38534ee54e
[   38.429296][  T349] RDX: 0000000000000000 RSI: 00007ffdd41e3170 RDI: 0000000000000005
[   38.429297][  T349] RBP: 00007ffdd41e30d0 R08: 0000000000000000 R09: 0000000000000000
[   38.429297][  T349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab72


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
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars