======================================
| [   10.237791][  T187] softirqs last disabled at (37787): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.237793][  T187] Preemption disabled at:
| [   10.237794][  T187] 0x0
| [   10.237805][  T187] Tainted: [W]=WARN
[   10.237806][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.237808][  T187] Call Trace:
[   10.237810][  T187]  <TASK>
[   10.237812][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.237818][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.237823][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.237828][  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)
[   10.237833][  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))
[   10.237836][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.237841][  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)
[   10.237844][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.237848][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.237851][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.237852][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.237857][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.237863][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.237869][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.237872][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.237874][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.237878][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.237882][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.237884][  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))
[   10.237887][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.237890][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.237894][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.237898][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.237900][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.237906][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.237909][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.237911][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.237913][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.237917][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.237919][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.237922][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.237926][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.237930][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.237934][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.237938][  T187]  ? snapshot_read.cold (user.c:?)
[   10.237941][  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)
[   10.237943][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.237947][  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)
[   10.237950][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.237954][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.237956][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.237959][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.237963][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.237967][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.237968][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.237971][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.237974][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.237977][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.237980][  T187] RIP: 0033:0x7f4ac48d61b8
[   10.237982][  T187] Code: Unable to access opcode bytes at 0x7f4ac48d618e.

Code starting with the faulting instruction
===========================================
[   10.237984][  T187] RSP: 002b:00007ffe16c2cef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.237986][  T187] RAX: ffffffffffffffda RBX: 00007f4ac4a06f88 RCX: 00007f4ac48d61b8
[   10.237988][  T187] RDX: 00007f4ac4620fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.237989][  T187] RBP: 00007ffe16c2cf50 R08: 0000000000000000 R09: 0000000000008010
[   10.237990][  T187] R10: 00007ffe16c2cd10 R11: 0000000000000246 R12: 0000000000000001
[   10.237993][  T187] R13: 0000000000000000 R14: 00007f4ac4a05680 R15: 00007f4ac4a06fa0
| [   12.430960][  T259] softirqs last disabled at (20982): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.430964][  T259] Preemption disabled at:
| [   12.430964][  T259] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.430978][  T259] Tainted: [W]=WARN
[   12.430979][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.430981][  T259] Call Trace:
[   12.430983][  T259]  <TASK>
[   12.430985][  T259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.430996][  T259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.430999][  T259]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.431006][  T259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.431011][  T259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.431019][  T259]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.431023][  T259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.431031][  T259]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.431035][  T259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.431040][  T259]  put_chars (drivers/char/virtio_console.c:1176)
[   12.431045][  T259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.431053][  T259]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.431059][  T259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.431064][  T259]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.431067][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.431069][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.431076][  T259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.431080][  T259]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.431085][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.431090][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.431097][  T259]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.431103][  T259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.431106][  T259]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.431111][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.431115][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.431122][  T259]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.431129][  T259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.431131][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.431141][  T259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.431145][  T259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.431148][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.431152][  T259]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.431158][  T259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.431161][  T259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.431166][  T259]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.431173][  T259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.431177][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.431179][  T259]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.431185][  T259]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.431192][  T259]  _printk (kernel/printk/printk.c:2504)
[   12.431196][  T259]  ? snapshot_read.cold (user.c:?)
[   12.431203][  T259]  ? br_multicast_flood (??:?) bridge
[   12.431222][  T259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.431224][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.431226][  T259]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.431235][  T259] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.431252][  T259] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.431267][  T259] new_nbp (net/bridge/br_if.c:449) bridge
[   12.431283][  T259] br_add_if (net/bridge/br_if.c:592) bridge
[   12.431296][  T259]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.431301][  T259]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.431306][  T259]  ? __kernel_text_address (kernel/extable.c:79)
[   12.431313][  T259]  do_set_master (net/core/rtnetlink.c:3071)
[   12.431321][  T259]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.431327][  T259]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.431331][  T259]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.431333][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.431337][  T259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.431342][  T259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.431346][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.431349][  T259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.431353][  T259]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.431357][  T259]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.431360][  T259]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.431364][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.431367][  T259]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.431371][  T259]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.431378][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.431381][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.431386][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.431390][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.431392][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.431395][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.431399][  T259]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.431404][  T259]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.431407][  T259]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.431410][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.431417][  T259]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.431419][  T259]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.431428][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.431438][  T259]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.431448][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.431452][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.431459][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.431462][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.431466][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.431469][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.431476][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.431479][  T259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.431485][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.431487][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.431495][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.431498][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.431504][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.431507][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.431512][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.431524][  T259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.431526][  T259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.431534][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.431541][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.431546][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.431553][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.431560][  T259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.431567][  T259]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.431576][  T259]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.431579][  T259]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.431583][  T259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.431586][  T259]  ? move_addr_to_kernel (net/socket.c:258)
[   12.431600][  T259]  ___sys_sendmsg (net/socket.c:2767)
[   12.431604][  T259]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.431640][  T259]  __sys_sendmsg (net/socket.c:2799)
[   12.431645][  T259]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.431656][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.431663][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.431666][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.431671][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.431675][  T259] RIP: 0033:0x7f3628e7a54e
[   12.431680][  T259] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.431682][  T259] RSP: 002b:00007ffe2b6565e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.431687][  T259] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3628e7a54e
[   12.431689][  T259] RDX: 0000000000000000 RSI: 00007ffe2b656690 RDI: 0000000000000005
[   12.431690][  T259] RBP: 00007ffe2b6565f0 R08: 0000000000000000 R09: 0000000000000000
[   12.431692][  T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102e9
[   12.431693][  T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2b656d50
| [   28.032097][    C1] softirqs last disabled at (665117): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.032098][    C1] Preemption disabled at:
| [   28.032099][    C1] 0x0
| [   28.032109][    C1] Tainted: [W]=WARN
[   28.032110][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.032112][    C1] Call Trace:
[   28.032114][    C1]  <IRQ>
[   28.032116][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.032121][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.032125][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.032128][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.032131][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032135][    C1]  __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))
[   28.032138][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.032140][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.032144][    C1]  ? 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)
[   28.032146][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.032148][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   28.032150][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.032152][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.032155][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.032158][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.032160][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032161][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.032163][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.032166][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.032168][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032169][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032171][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.032173][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.032175][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.032177][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.032179][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.032181][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.032183][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.032184][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032186][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.032187][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.032189][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.032191][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.032193][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.032195][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.032198][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032210][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.032211][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032218][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032223][    C1]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.032227][    C1]  _printk (kernel/printk/printk.c:2504)
[   28.032230][    C1]  ? snapshot_read.cold (user.c:?)
[   28.032232][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.032236][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.032238][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.032240][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.032242][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.032245][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.032247][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.032249][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.032251][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.032253][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032259][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032261][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.032263][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.032269][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.032271][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032277][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032283][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.032289][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   28.032292][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.032294][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.032297][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.032300][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.032301][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032304][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.032305][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.032312][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.032314][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.032317][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.032319][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.032321][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.032323][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.032325][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032326][    C1]  handle_softirqs (kernel/softirq.c:645)
[   28.032328][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.032330][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.032332][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.032333][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   28.032335][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.032338][    C1]  </IRQ>
[   28.032338][    C1]  <TASK>
[   28.032339][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.032340][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.032343][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.032345][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.032347][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   28.032351][    C1] RAX: 00000000000a261b RBX: ff11000001bea380 RCX: ffffffff9f6f0307
[   28.032353][    C1] RDX: ff11000001bea380 RSI: ffffffffa2438b01 RDI: ffffffffa1e8d8e0
[   28.032354][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.032354][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   28.032355][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.032357][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.032360][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.032361][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   28.032363][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.032365][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   28.032366][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.032369][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032371][    C1]  do_idle (kernel/sched/idle.c:355)
[   28.032372][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.032374][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.032376][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.032378][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.088813][    C1]
| [   28.088882][    C1]
| [   28.088882][    C1] stack backtrace:
| [   28.089111][    C1] Tainted: [W]=WARN
[   28.089112][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.089113][    C1] Call Trace:
[   28.089115][    C1]  <IRQ>
[   28.089116][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.089121][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.089123][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.089126][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.089128][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.089130][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.089132][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.089134][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.089141][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.089144][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.089146][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.089153][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.089154][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.089160][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.089167][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.089173][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   28.089176][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.089177][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.089181][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.089183][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.089185][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.089187][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.089189][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.089199][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.089201][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.089205][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.089208][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.089210][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.089212][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.089214][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.089216][    C1]  handle_softirqs (kernel/softirq.c:645)
[   28.089218][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.089219][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.089221][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.089223][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   28.089224][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.089226][    C1]  </IRQ>
[   28.089227][    C1]  <TASK>
[   28.089227][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.089229][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.089231][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.089233][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.089235][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   28.089238][    C1] RAX: 00000000000a261b RBX: ff11000001bea380 RCX: ffffffff9f6f0307
[   28.089239][    C1] RDX: ff11000001bea380 RSI: ffffffffa2438b01 RDI: ffffffffa1e8d8e0
[   28.089240][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.089240][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   28.089241][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.089242][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.089245][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.089247][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   28.089248][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.089250][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   28.089251][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.089253][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.089255][    C1]  do_idle (kernel/sched/idle.c:355)
[   28.089257][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.089258][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.089260][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.089262][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   39.610160][  T443] softirqs last disabled at (0): 0x0
| [   39.610162][  T443] Preemption disabled at:
| [   39.610163][  T443] 0x0
| [   39.610171][  T443] Tainted: [W]=WARN
[   39.610172][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.610174][  T443] Call Trace:
[   39.610176][  T443]  <TASK>
[   39.610177][  T443]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.610183][  T443]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.610187][  T443]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.610191][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610195][  T443]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   39.610199][  T443]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.610201][  T443]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.610205][  T443]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.610207][  T443]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.610208][  T443]  put_chars (drivers/char/virtio_console.c:1176)
[   39.610211][  T443]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.610212][  T443]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   39.610216][  T443]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.610219][  T443]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.610222][  T443]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.610223][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610225][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.610227][  T443]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.610230][  T443]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.610232][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610234][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610235][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610237][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.610239][  T443]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.610241][  T443]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.610243][  T443]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.610246][  T443]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.610247][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.610249][  T443]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.610251][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610253][  T443]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.610254][  T443]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.610256][  T443]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.610258][  T443]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.610260][  T443]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.610262][  T443]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.610264][  T443]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.610266][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610268][  T443]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.610270][  T443]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   39.610272][  T443]  _printk (kernel/printk/printk.c:2504)
[   39.610275][  T443]  ? snapshot_read.cold (user.c:?)
[   39.610278][  T443]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   39.610283][  T443] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   39.610296][  T443] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   39.610304][  T443] br_device_event (net/bridge/br.c:111) bridge
[   39.610313][  T443]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   39.610316][  T443]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   39.610318][  T443]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   39.610322][  T443]  notifier_call_chain (kernel/notifier.c:85)
[   39.610325][  T443]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   39.610328][  T443]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.610330][  T443]  ? netif_change_name (net/core/dev.c:1517)
[   39.610332][  T443]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   39.610334][  T443]  ? __kernel_text_address (kernel/extable.c:79)
[   39.610336][  T443]  ? write_profile (profile.c:?)
[   39.610339][  T443]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.610342][  T443]  netif_change_flags (net/core/dev.c:9882)
[   39.610344][  T443]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   39.610347][  T443]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.610348][  T443]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.610350][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610351][  T443]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.610355][  T443]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.610358][  T443]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.610360][  T443]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.610361][  T443]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.610363][  T443]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   39.610365][  T443]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   39.610366][  T443]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.610367][  T443]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.610370][  T443]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.610371][  T443]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.610372][  T443]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.610375][  T443]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.610376][  T443]  ? __sys_sendmsg (net/socket.c:2799)
[   39.610378][  T443]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.610380][  T443]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.610382][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610384][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.610386][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610387][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610389][  T443]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.610392][  T443]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   39.610394][  T443]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.610395][  T443]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.610397][  T443]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.610399][  T443]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.610401][  T443]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.610403][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610405][  T443]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.610406][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.610408][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610410][  T443]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.610413][  T443]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.610415][  T443]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.610416][  T443]  ? __kernel_text_address (kernel/extable.c:79)
[   39.610418][  T443]  ? write_profile (profile.c:?)
[   39.610419][  T443]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.610420][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610422][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610424][  T443]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.610427][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.610429][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610430][  T443]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.610432][  T443]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.610433][  T443]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.610435][  T443]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.610436][  T443]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.610439][  T443]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.610440][  T443]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.610442][  T443]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.610443][  T443]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.610444][  T443]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.610447][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610449][  T443]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.610451][  T443]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.610453][  T443]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.610454][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610456][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610458][  T443]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.610460][  T443]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.610462][  T443]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.610464][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610466][  T443]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.610467][  T443]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.610469][  T443]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.610471][  T443]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.610472][  T443]  ? move_addr_to_kernel (net/socket.c:258)
[   39.610474][  T443]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.610476][  T443]  ___sys_sendmsg (net/socket.c:2767)
[   39.610478][  T443]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.610483][  T443]  __sys_sendmsg (net/socket.c:2799)
[   39.610485][  T443]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.610488][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.610490][  T443]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.610491][  T443]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.610493][  T443]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.610495][  T443] RIP: 0033:0x7fc22213b54e
[   39.610497][  T443] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.610499][  T443] RSP: 002b:00007ffd719bef50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.610502][  T443] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc22213b54e
[   39.610504][  T443] RDX: 0000000000000000 RSI: 00007ffd719bf000 RDI: 0000000000000005
[   39.610505][  T443] RBP: 00007ffd719bef60 R08: 0000000000000000 R09: 0000000000000000
[   39.610506][  T443] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910305


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