======================================
| [   10.130339][  T187] softirqs last disabled at (36756): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.130341][  T187] Preemption disabled at:
| [   10.130342][  T187] 0x0
| [   10.130353][  T187] Tainted: [W]=WARN
[   10.130354][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.130355][  T187] Call Trace:
[   10.130357][  T187]  <TASK>
[   10.130359][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.130365][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.130370][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.130374][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.130380][  T187]  __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))
[   10.130382][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.130388][  T187]  ? 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)
[   10.130391][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.130394][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.130397][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.130398][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.130403][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.130409][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.130416][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.130418][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.130420][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.130425][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.130429][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.130431][  T187]  ? 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))
[   10.130434][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.130437][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.130441][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.130445][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.130447][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.130452][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.130454][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.130456][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.130459][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.130462][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.130464][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.130467][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.130471][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.130474][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.130478][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.130482][  T187]  ? snapshot_read.cold (user.c:?)
[   10.130484][  T187]  ? 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)
[   10.130487][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.130491][  T187]  ? 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)
[   10.130493][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.130497][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.130499][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.130502][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.130506][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.130509][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.130510][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.130513][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.130516][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.130519][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.130521][  T187] RIP: 0033:0x7fdea551f1b8
[   10.130523][  T187] Code: Unable to access opcode bytes at 0x7fdea551f18e.

Code starting with the faulting instruction
===========================================
[   10.130525][  T187] RSP: 002b:00007ffd4c88cf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.130527][  T187] RAX: ffffffffffffffda RBX: 00007fdea564ff88 RCX: 00007fdea551f1b8
[   10.130528][  T187] RDX: 00007fdea5269fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.130529][  T187] RBP: 00007ffd4c88cf70 R08: 0000000000000000 R09: 0000000000008010
[   10.130530][  T187] R10: 00007ffd4c88cd30 R11: 0000000000000246 R12: 0000000000000001
[   10.130531][  T187] R13: 0000000000000000 R14: 00007fdea564e680 R15: 00007fdea564ffa0
| [   12.231006][  T261] softirqs last disabled at (12696): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.231009][  T261] Preemption disabled at:
| [   12.231009][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.231019][  T261] Tainted: [W]=WARN
[   12.231020][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.231021][  T261] Call Trace:
[   12.231023][  T261]  <TASK>
[   12.231024][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.231030][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.231033][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.231037][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.231041][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.231046][  T261]  __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))
[   12.231048][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.231054][  T261]  ? 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)
[   12.231056][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.231059][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   12.231062][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.231066][  T261]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.231070][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.231073][  T261]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.231075][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.231076][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.231080][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.231082][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.231086][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.231089][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.231093][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.231097][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.231098][  T261]  ? 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))
[   12.231102][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.231104][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.231108][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.231112][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.231114][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.231119][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.231122][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.231124][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.231126][  T261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.231130][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.231131][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.231135][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.231139][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.231141][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.231143][  T261]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.231147][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.231151][  T261]  _printk (kernel/printk/printk.c:2504)
[   12.231154][  T261]  ? snapshot_read.cold (user.c:?)
[   12.231158][  T261]  ? br_multicast_flood (??:?) bridge
[   12.231171][  T261]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.231173][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.231174][  T261]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.231178][  T261] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.231191][  T261] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.231200][  T261] new_nbp (net/bridge/br_if.c:449) bridge
[   12.231210][  T261] br_add_if (net/bridge/br_if.c:592) bridge
[   12.231217][  T261]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.231221][  T261]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.231224][  T261]  ? __kernel_text_address (kernel/extable.c:79)
[   12.231228][  T261]  do_set_master (net/core/rtnetlink.c:3071)
[   12.231232][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.231236][  T261]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.231239][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.231240][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.231242][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.231246][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.231248][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.231250][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.231253][  T261]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.231256][  T261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.231257][  T261]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.231260][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.231262][  T261]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.231265][  T261]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.231269][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.231271][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.231273][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.231276][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.231277][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.231279][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.231281][  T261]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.231285][  T261]  ? __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)
[   12.231287][  T261]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.231289][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.231292][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.231294][  T261]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.231299][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.231304][  T261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.231309][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.231311][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.231315][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.231324][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.231326][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.231328][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.231331][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.231333][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.231336][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.231338][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.231342][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.231344][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.231347][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.231349][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.231352][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.231358][  T261]  ? 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))
[   12.231359][  T261]  ? 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))
[   12.231363][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.231367][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.231369][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.231373][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.231377][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.231381][  T261]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.231386][  T261]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.231388][  T261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.231391][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.231392][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   12.231399][  T261]  ___sys_sendmsg (net/socket.c:2767)
[   12.231402][  T261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.231417][  T261]  __sys_sendmsg (net/socket.c:2799)
[   12.231420][  T261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.231426][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.231430][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.231432][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.231435][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.231437][  T261] RIP: 0033:0x7f2fab8de54e
[   12.231441][  T261] 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
[   12.231443][  T261] RSP: 002b:00007fffe756da60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.231446][  T261] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2fab8de54e
[   12.231447][  T261] RDX: 0000000000000000 RSI: 00007fffe756db10 RDI: 0000000000000005
[   12.231448][  T261] RBP: 00007fffe756da70 R08: 0000000000000000 R09: 0000000000000000
[   12.231449][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918133
[   12.231450][  T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe756e1d0
| [   27.508429][    C2] softirqs last disabled at (642925): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.508431][    C2] Preemption disabled at:
| [   27.508432][    C2] 0x0
| [   27.508443][    C2] Tainted: [W]=WARN
[   27.508444][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.508446][    C2] Call Trace:
[   27.508448][    C2]  <IRQ>
[   27.508450][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.508455][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.508459][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.508462][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.508465][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508469][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.508473][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.508475][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.508479][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.508480][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.508482][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   27.508484][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.508486][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.508489][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.508493][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.508494][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508496][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.508499][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.508501][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.508503][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508505][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508506][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.508508][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.508510][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.508512][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.508515][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.508516][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.508518][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.508519][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508521][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.508522][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.508524][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.508526][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.508528][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.508530][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.508532][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.508545][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.508546][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.508553][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.508558][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.508562][    C2]  _printk (kernel/printk/printk.c:2504)
[   27.508565][    C2]  ? snapshot_read.cold (user.c:?)
[   27.508567][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.508571][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.508573][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.508575][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.508577][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.508580][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.508582][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.508583][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.508585][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.508587][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.508593][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508595][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.508596][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.508603][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.508604][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.508610][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.508617][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.508623][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.508626][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.508628][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.508631][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.508633][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.508635][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508637][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.508639][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.508645][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.508647][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.508650][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.508652][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.508654][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.508656][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.508658][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508660][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.508662][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.508663][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.508665][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.508667][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.508668][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.508671][    C2]  </IRQ>
[   27.508671][    C2]  <TASK>
[   27.508672][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.508674][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.508676][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.508679][    C2] 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
[   27.508680][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.508684][    C2] RAX: 000000000009cf6b RBX: ff11000001bec6c0 RCX: ffffffff85ef0307
[   27.508685][    C2] RDX: ff11000001bec6c0 RSI: ffffffff88c38af6 RDI: ffffffff8868d8e0
[   27.508686][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.508687][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.508687][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.508689][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.508692][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.508694][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.508695][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.508697][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.508698][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.508701][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.508702][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.508704][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.508705][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.508707][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.508709][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.508711][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.569050][    C2]
| [   27.569116][    C2]
| [   27.569116][    C2] stack backtrace:
| [   27.569332][    C2] Tainted: [W]=WARN
[   27.569333][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.569335][    C2] Call Trace:
[   27.569336][    C2]  <IRQ>
[   27.569339][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.569343][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.569347][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.569350][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.569351][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.569353][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.569355][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.569357][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.569364][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.569367][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.569369][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.569376][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.569377][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.569386][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.569394][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.569401][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.569403][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.569405][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.569409][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.569411][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.569413][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.569415][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.569417][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.569424][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.569426][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.569428][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.569430][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.569432][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.569434][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.569436][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.569438][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.569440][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.569441][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.569443][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.569445][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.569446][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.569448][    C2]  </IRQ>
[   27.569448][    C2]  <TASK>
[   27.569449][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.569451][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.569453][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.569455][    C2] 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
[   27.569457][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.569459][    C2] RAX: 000000000009cf6b RBX: ff11000001bec6c0 RCX: ffffffff85ef0307
[   27.569461][    C2] RDX: ff11000001bec6c0 RSI: ffffffff88c38af6 RDI: ffffffff8868d8e0
[   27.569461][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.569462][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.569463][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.569464][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.569467][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.569468][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.569470][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.569471][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.569473][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.569475][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.569476][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.569478][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.569479][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.569481][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.569482][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.569484][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   39.114466][  T445] softirqs last disabled at (0): 0x0
| [   39.114468][  T445] Preemption disabled at:
| [   39.114468][  T445] 0x0
| [   39.114477][  T445] Tainted: [W]=WARN
[   39.114478][  T445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.114479][  T445] Call Trace:
[   39.114481][  T445]  <TASK>
[   39.114482][  T445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.114488][  T445]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.114491][  T445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.114495][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114499][  T445]  __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))
[   39.114503][  T445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.114506][  T445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.114510][  T445]  ? 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)
[   39.114512][  T445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.114514][  T445]  put_chars (drivers/char/virtio_console.c:1176)
[   39.114516][  T445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.114517][  T445]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   39.114521][  T445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.114524][  T445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.114526][  T445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.114528][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114530][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.114532][  T445]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.114534][  T445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.114536][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114538][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114539][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114541][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.114543][  T445]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.114545][  T445]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.114547][  T445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.114550][  T445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.114551][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.114553][  T445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.114555][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114556][  T445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.114558][  T445]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.114559][  T445]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.114561][  T445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.114563][  T445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.114565][  T445]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.114567][  T445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.114569][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114571][  T445]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.114573][  T445]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   39.114575][  T445]  _printk (kernel/printk/printk.c:2504)
[   39.114578][  T445]  ? snapshot_read.cold (user.c:?)
[   39.114580][  T445]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   39.114585][  T445] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   39.114598][  T445] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   39.114606][  T445] br_device_event (net/bridge/br.c:111) bridge
[   39.114614][  T445]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   39.114618][  T445]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   39.114620][  T445]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   39.114623][  T445]  notifier_call_chain (kernel/notifier.c:85)
[   39.114626][  T445]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   39.114630][  T445]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.114631][  T445]  ? netif_change_name (net/core/dev.c:1517)
[   39.114633][  T445]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   39.114635][  T445]  ? __kernel_text_address (kernel/extable.c:79)
[   39.114637][  T445]  ? write_profile (profile.c:?)
[   39.114640][  T445]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.114643][  T445]  netif_change_flags (net/core/dev.c:9882)
[   39.114645][  T445]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   39.114648][  T445]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.114649][  T445]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.114650][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114652][  T445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.114656][  T445]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.114659][  T445]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.114660][  T445]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.114662][  T445]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.114663][  T445]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   39.114665][  T445]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   39.114666][  T445]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.114667][  T445]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.114670][  T445]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.114671][  T445]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.114672][  T445]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.114675][  T445]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.114676][  T445]  ? __sys_sendmsg (net/socket.c:2799)
[   39.114678][  T445]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.114680][  T445]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.114682][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114684][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.114685][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114687][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114689][  T445]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.114692][  T445]  ? __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)
[   39.114693][  T445]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.114694][  T445]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.114696][  T445]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.114698][  T445]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.114700][  T445]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.114702][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114704][  T445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.114705][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.114706][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114708][  T445]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.114712][  T445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.114713][  T445]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.114715][  T445]  ? __kernel_text_address (kernel/extable.c:79)
[   39.114716][  T445]  ? write_profile (profile.c:?)
[   39.114717][  T445]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.114719][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114720][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114722][  T445]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.114725][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.114727][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114729][  T445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.114730][  T445]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.114731][  T445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.114733][  T445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.114734][  T445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.114737][  T445]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.114738][  T445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.114739][  T445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.114741][  T445]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.114742][  T445]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.114745][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114746][  T445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.114748][  T445]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.114750][  T445]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.114752][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114753][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114755][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.114757][  T445]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.114759][  T445]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.114761][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114763][  T445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.114764][  T445]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.114766][  T445]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.114768][  T445]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.114769][  T445]  ? move_addr_to_kernel (net/socket.c:258)
[   39.114771][  T445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.114773][  T445]  ___sys_sendmsg (net/socket.c:2767)
[   39.114775][  T445]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.114780][  T445]  __sys_sendmsg (net/socket.c:2799)
[   39.114781][  T445]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.114784][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.114786][  T445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.114787][  T445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.114790][  T445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.114791][  T445] RIP: 0033:0x7fe508e8d54e
[   39.114793][  T445] 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
[   39.114795][  T445] RSP: 002b:00007fffc4354e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.114798][  T445] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe508e8d54e
[   39.114800][  T445] RDX: 0000000000000000 RSI: 00007fffc4354eb0 RDI: 0000000000000005
[   39.114801][  T445] RBP: 00007fffc4354e10 R08: 0000000000000000 R09: 0000000000000000
[   39.114802][  T445] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91814e


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netlink_release: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