======================================
| [    9.775601][  T188] softirqs last disabled at (34815): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.775603][  T188] Preemption disabled at:
| [    9.775603][  T188] 0x0
| [    9.775614][  T188] Tainted: [W]=WARN
[    9.775615][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.775616][  T188] Call Trace:
[    9.775618][  T188]  <TASK>
[    9.775620][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.775627][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.775631][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.775636][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.775641][  T188]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.775643][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.775649][  T188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.775652][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.775655][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.775658][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.775660][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.775665][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.775670][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.775676][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.775678][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.775681][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.775684][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.775688][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.775690][  T188]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.775693][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.775695][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.775699][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.775703][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.775705][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.775710][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.775713][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.775715][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.775717][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.775721][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.775722][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.775726][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.775729][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.775733][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.775736][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.775740][  T188]  ? snapshot_read.cold (user.c:?)
[    9.775743][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.775746][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.775749][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.775752][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.775756][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.775758][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.775760][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.775764][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.775767][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.775769][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.775771][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.775774][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.775777][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.775780][  T188] RIP: 0033:0x7fd8d4a7a1b8
[    9.775782][  T188] Code: Unable to access opcode bytes at 0x7fd8d4a7a18e.

Code starting with the faulting instruction
===========================================
[    9.775783][  T188] RSP: 002b:00007fff122ec588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.775785][  T188] RAX: ffffffffffffffda RBX: 00007fd8d4baaf88 RCX: 00007fd8d4a7a1b8
[    9.775787][  T188] RDX: 00007fd8d47c4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.775788][  T188] RBP: 00007fff122ec5e0 R08: 0000000000000000 R09: 0000000000008010
[    9.775788][  T188] R10: 00007fff122ec3a0 R11: 0000000000000246 R12: 0000000000000001
[    9.775789][  T188] R13: 0000000000000000 R14: 00007fd8d4ba9680 R15: 00007fd8d4baafa0
| [   11.169992][  T262] softirqs last disabled at (14790): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.169995][  T262] Preemption disabled at:
| [   11.169995][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.170005][  T262] Tainted: [W]=WARN
[   11.170006][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.170007][  T262] Call Trace:
[   11.170009][  T262]  <TASK>
[   11.170010][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.170016][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.170018][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.170023][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.170027][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.170032][  T262]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.170034][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.170040][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.170042][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.170045][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   11.170048][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.170053][  T262]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.170056][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.170059][  T262]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.170061][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.170062][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.170066][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.170068][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.170071][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.170075][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.170079][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.170082][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.170084][  T262]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.170087][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.170090][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.170093][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.170097][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.170099][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.170104][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.170107][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.170109][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.170111][  T262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.170114][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.170116][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.170119][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.170123][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.170126][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.170127][  T262]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.170132][  T262]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.170135][  T262]  _printk (kernel/printk/printk.c:2504)
[   11.170138][  T262]  ? snapshot_read.cold (user.c:?)
[   11.170142][  T262]  ? br_multicast_flood (??:?) bridge
[   11.170155][  T262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.170156][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.170157][  T262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.170162][  T262] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.170171][  T262] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.170179][  T262] new_nbp (net/bridge/br_if.c:449) bridge
[   11.170188][  T262] br_add_if (net/bridge/br_if.c:592) bridge
[   11.170195][  T262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.170199][  T262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.170202][  T262]  ? __kernel_text_address (kernel/extable.c:79)
[   11.170206][  T262]  do_set_master (net/core/rtnetlink.c:3071)
[   11.170210][  T262]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.170213][  T262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.170216][  T262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.170218][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.170220][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.170224][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.170227][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.170228][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.170231][  T262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.170234][  T262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.170235][  T262]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.170238][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.170240][  T262]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.170243][  T262]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.170247][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.170249][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.170251][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.170254][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.170255][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.170257][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.170260][  T262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.170263][  T262]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.170265][  T262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.170267][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.170270][  T262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.170272][  T262]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.170277][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.170282][  T262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.170287][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.170289][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.170293][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.170295][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.170297][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.170299][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.170302][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.170304][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.170307][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.170309][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.170313][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.170315][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.170318][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.170320][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.170323][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.170328][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.170330][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.170334][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.170338][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.170340][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.170344][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.170348][  T262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.170352][  T262]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.170357][  T262]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.170359][  T262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.170361][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.170363][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   11.170370][  T262]  ___sys_sendmsg (net/socket.c:2767)
[   11.170373][  T262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.170388][  T262]  __sys_sendmsg (net/socket.c:2799)
[   11.170391][  T262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.170397][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.170400][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.170402][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.170405][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.170408][  T262] RIP: 0033:0x7fbf6eceb54e
[   11.170412][  T262] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.170414][  T262] RSP: 002b:00007fff7938a600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.170417][  T262] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbf6eceb54e
[   11.170418][  T262] RDX: 0000000000000000 RSI: 00007fff7938a6b0 RDI: 0000000000000005
[   11.170419][  T262] RBP: 00007fff7938a610 R08: 0000000000000000 R09: 0000000000000000
[   11.170420][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913787
[   11.170420][  T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7938ad70
| [   26.490960][    C2] softirqs last disabled at (1009581): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.490962][    C2] Preemption disabled at:
| [   26.490963][    C2] 0x0
| [   26.490972][    C2] Tainted: [W]=WARN
[   26.490973][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.490975][    C2] Call Trace:
[   26.490977][    C2]  <IRQ>
[   26.490978][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.490984][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.490987][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.490991][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.490993][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.490997][    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))
[   26.491000][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.491003][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.491006][    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)
[   26.491008][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.491010][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   26.491012][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.491013][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.491017][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.491020][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.491021][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.491023][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.491025][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.491027][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.491029][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.491031][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.491032][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.491034][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.491036][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.491038][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.491041][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.491042][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.491044][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.491045][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.491047][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.491048][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.491050][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.491052][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.491054][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.491056][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.491058][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.491070][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.491071][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.491078][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.491083][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.491087][    C2]  _printk (kernel/printk/printk.c:2504)
[   26.491090][    C2]  ? snapshot_read.cold (user.c:?)
[   26.491092][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.491096][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.491098][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.491099][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.491102][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.491105][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.491107][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.491108][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.491110][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.491112][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.491118][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.491120][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.491122][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.491127][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.491129][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.491135][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.491141][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.491147][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.491150][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.491152][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.491155][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.491157][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.491159][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.491161][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.491163][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.491169][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.491171][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.491173][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.491176][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.491178][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.491179][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.491182][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.491183][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.491185][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.491187][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.491189][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.491190][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.491191][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.491194][    C2]  </IRQ>
[   26.491195][    C2]  <TASK>
[   26.491195][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.491198][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.491200][    C2] 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
[   26.491202][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.491205][    C2] RAX: 00000000000f67ab RBX: ff11000001bec6c0 RCX: ffffffff8e6f0307
[   26.491207][    C2] RDX: ff11000001bec6c0 RSI: ffffffff91438b01 RDI: ffffffff90e8d8e0
[   26.491208][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.491209][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.491209][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.491211][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.491214][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.491216][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.491217][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.491219][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.491220][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.491223][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.491224][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.491226][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.491227][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.491229][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.491231][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.491233][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.549261][    C2]
| [   26.549372][    C2]
| [   26.549372][    C2] stack backtrace:
| [   26.549545][    C2] Tainted: [W]=WARN
[   26.549546][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.549547][    C2] Call Trace:
[   26.549549][    C2]  <IRQ>
[   26.549550][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.549555][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.549558][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.549560][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.549562][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.549564][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.549566][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.549568][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.549575][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.549578][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.549580][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.549586][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.549588][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.549594][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.549601][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.549607][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.549609][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.549611][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.549614][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.549616][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.549617][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.549620][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.549621][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.549628][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.549629][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.549632][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.549634][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.549636][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.549638][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.549640][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.549642][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.549644][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.549645][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.549647][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.549648][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.549650][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.549651][    C2]  </IRQ>
[   26.549652][    C2]  <TASK>
[   26.549653][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.549654][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.549657][    C2] 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
[   26.549658][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.549660][    C2] RAX: 00000000000f67ab RBX: ff11000001bec6c0 RCX: ffffffff8e6f0307
[   26.549662][    C2] RDX: ff11000001bec6c0 RSI: ffffffff91438b01 RDI: ffffffff90e8d8e0
[   26.549662][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.549663][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.549664][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.549665][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.549668][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.549669][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.549671][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.549672][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.549674][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.549676][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.549677][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.549679][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.549680][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.549682][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.549683][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.549685][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.329423][  T729] softirqs last disabled at (0): 0x0
| [   29.329425][  T729] Preemption disabled at:
| [   29.329426][  T729] 0x0
| [   29.329434][  T729] Tainted: [W]=WARN
[   29.329435][  T729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.329437][  T729] Call Trace:
[   29.329439][  T729]  <TASK>
[   29.329440][  T729]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.329446][  T729]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.329450][  T729]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.329453][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329457][  T729]  __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))
[   29.329461][  T729]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.329465][  T729]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.329470][  T729]  ? 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)
[   29.329472][  T729]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.329475][  T729]  put_chars (drivers/char/virtio_console.c:1176)
[   29.329477][  T729]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.329478][  T729]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   29.329481][  T729]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.329485][  T729]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.329487][  T729]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.329488][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329490][  T729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.329492][  T729]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.329495][  T729]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.329497][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329498][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329500][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329501][  T729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.329503][  T729]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.329505][  T729]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.329507][  T729]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.329509][  T729]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.329511][  T729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.329512][  T729]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.329514][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329516][  T729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.329517][  T729]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.329518][  T729]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.329520][  T729]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.329522][  T729]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.329524][  T729]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.329526][  T729]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.329528][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329530][  T729]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.329532][  T729]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.329534][  T729]  _printk (kernel/printk/printk.c:2504)
[   29.329537][  T729]  ? snapshot_read.cold (user.c:?)
[   29.329539][  T729]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   29.329544][  T729] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.329557][  T729] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.329565][  T729] br_device_event (net/bridge/br.c:111) bridge
[   29.329574][  T729]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   29.329577][  T729]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   29.329579][  T729]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   29.329583][  T729]  notifier_call_chain (kernel/notifier.c:85)
[   29.329586][  T729]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   29.329590][  T729]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.329591][  T729]  ? netif_change_name (net/core/dev.c:1517)
[   29.329593][  T729]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.329595][  T729]  ? __kernel_text_address (kernel/extable.c:79)
[   29.329597][  T729]  ? write_profile (profile.c:?)
[   29.329600][  T729]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.329603][  T729]  netif_change_flags (net/core/dev.c:9882)
[   29.329605][  T729]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.329608][  T729]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.329609][  T729]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.329610][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329612][  T729]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.329615][  T729]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.329618][  T729]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.329620][  T729]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.329621][  T729]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.329623][  T729]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   29.329624][  T729]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   29.329625][  T729]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.329626][  T729]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.329629][  T729]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.329630][  T729]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.329631][  T729]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.329634][  T729]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.329635][  T729]  ? __sys_sendmsg (net/socket.c:2799)
[   29.329637][  T729]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.329638][  T729]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.329641][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329643][  T729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.329644][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329646][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329647][  T729]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.329650][  T729]  ? __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)
[   29.329652][  T729]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.329653][  T729]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.329654][  T729]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.329657][  T729]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.329658][  T729]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.329660][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329662][  T729]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.329663][  T729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.329664][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329666][  T729]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.329670][  T729]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.329671][  T729]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.329673][  T729]  ? __kernel_text_address (kernel/extable.c:79)
[   29.329674][  T729]  ? write_profile (profile.c:?)
[   29.329675][  T729]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.329676][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329678][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329679][  T729]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.329683][  T729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.329684][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329686][  T729]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.329687][  T729]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.329689][  T729]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.329690][  T729]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.329691][  T729]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.329693][  T729]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.329695][  T729]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.329696][  T729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.329697][  T729]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.329699][  T729]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.329701][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329703][  T729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.329705][  T729]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.329706][  T729]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.329708][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329710][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329711][  T729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.329713][  T729]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.329715][  T729]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.329717][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329718][  T729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.329720][  T729]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.329721][  T729]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.329723][  T729]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.329725][  T729]  ? move_addr_to_kernel (net/socket.c:258)
[   29.329726][  T729]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.329728][  T729]  ___sys_sendmsg (net/socket.c:2767)
[   29.329730][  T729]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.329735][  T729]  __sys_sendmsg (net/socket.c:2799)
[   29.329736][  T729]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.329739][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.329741][  T729]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.329742][  T729]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.329745][  T729]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.329746][  T729] RIP: 0033:0x7fc3fedec54e
[   29.329748][  T729] 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
[   29.329750][  T729] RSP: 002b:00007ffe6d3d1010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.329754][  T729] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3fedec54e
[   29.329755][  T729] RDX: 0000000000000000 RSI: 00007ffe6d3d10c0 RDI: 0000000000000005
[   29.329756][  T729] RBP: 00007ffe6d3d1020 R08: 0000000000000000 R09: 0000000000000000
[   29.329757][  T729] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913799


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