======================================
| [   10.666302][  T186] softirqs last disabled at (37864): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.666304][  T186] Preemption disabled at:
| [   10.666305][  T186] 0x0
| [   10.666315][  T186] Tainted: [W]=WARN
[   10.666316][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.666317][  T186] Call Trace:
[   10.666319][  T186]  <TASK>
[   10.666320][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.666327][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.666331][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.666336][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.666341][  T186]  __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))
[   10.666344][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.666350][  T186]  ? 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)
[   10.666352][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.666356][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   10.666359][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.666360][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.666365][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.666371][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.666377][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.666380][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.666382][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.666386][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.666391][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.666392][  T186]  ? 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))
[   10.666396][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.666398][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.666402][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.666407][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.666409][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.666414][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.666417][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.666419][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.666422][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.666425][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.666427][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.666431][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.666435][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.666441][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.666445][  T186]  _printk (kernel/printk/printk.c:2504)
[   10.666449][  T186]  ? snapshot_read.cold (user.c:?)
[   10.666452][  T186]  ? 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)
[   10.666454][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.666459][  T186]  ? 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)
[   10.666461][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.666465][  T186]  ? exit_notify (kernel/exit.c:780)
[   10.666467][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.666470][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.666475][  T186]  do_group_exit (kernel/exit.c:1151)
[   10.666478][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.666479][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.666482][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.666485][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.666488][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.666490][  T186] RIP: 0033:0x7f5eec4c51b8
[   10.666493][  T186] Code: Unable to access opcode bytes at 0x7f5eec4c518e.

Code starting with the faulting instruction
===========================================
[   10.666494][  T186] RSP: 002b:00007ffd3df8cdd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.666496][  T186] RAX: ffffffffffffffda RBX: 00007f5eec5f5f88 RCX: 00007f5eec4c51b8
[   10.666498][  T186] RDX: 00007f5eec20ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.666499][  T186] RBP: 00007ffd3df8ce30 R08: 0000000000000000 R09: 0000000000008010
[   10.666500][  T186] R10: 00007ffd3df8cbf0 R11: 0000000000000246 R12: 0000000000000001
[   10.666500][  T186] R13: 0000000000000000 R14: 00007f5eec5f4680 R15: 00007f5eec5f5fa0
| [   12.093991][  T260] softirqs last disabled at (17286): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.093993][  T260] Preemption disabled at:
| [   12.093994][  T260] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.094004][  T260] Tainted: [W]=WARN
[   12.094004][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.094006][  T260] Call Trace:
[   12.094008][  T260]  <TASK>
[   12.094010][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.094016][  T260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.094018][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.094023][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.094027][  T260]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.094032][  T260]  __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))
[   12.094035][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.094041][  T260]  ? 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)
[   12.094043][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.094047][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   12.094050][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.094054][  T260]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.094058][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.094061][  T260]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.094063][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094065][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094069][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.094071][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.094075][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094079][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.094083][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.094087][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.094089][  T260]  ? 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))
[   12.094092][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094095][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.094099][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.094103][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.094105][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094111][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.094114][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.094116][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094118][  T260]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.094122][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.094124][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.094128][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.094132][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.094135][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.094136][  T260]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.094141][  T260]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.094145][  T260]  _printk (kernel/printk/printk.c:2504)
[   12.094148][  T260]  ? snapshot_read.cold (user.c:?)
[   12.094152][  T260]  ? br_multicast_flood (??:?) bridge
[   12.094165][  T260]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.094167][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.094168][  T260]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.094173][  T260] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.094184][  T260] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.094192][  T260] new_nbp (net/bridge/br_if.c:449) bridge
[   12.094202][  T260] br_add_if (net/bridge/br_if.c:592) bridge
[   12.094209][  T260]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.094214][  T260]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.094217][  T260]  ? __kernel_text_address (kernel/extable.c:79)
[   12.094221][  T260]  do_set_master (net/core/rtnetlink.c:3071)
[   12.094226][  T260]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.094229][  T260]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.094233][  T260]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.094234][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.094236][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.094240][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.094250][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.094251][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.094254][  T260]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.094257][  T260]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.094259][  T260]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.094262][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094263][  T260]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.094267][  T260]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.094272][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.094274][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.094276][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094279][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.094280][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094282][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094285][  T260]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.094288][  T260]  ? __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)
[   12.094290][  T260]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.094292][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.094296][  T260]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.094298][  T260]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.094303][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.094309][  T260]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.094315][  T260]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.094317][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094321][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.094323][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.094325][  T260]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.094327][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.094331][  T260]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.094333][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.094337][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.094338][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094343][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.094345][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.094348][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.094350][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.094353][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.094360][  T260]  ? 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))
[   12.094362][  T260]  ? 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))
[   12.094366][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.094370][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.094373][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094378][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.094382][  T260]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.094386][  T260]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.094392][  T260]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.094394][  T260]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.094397][  T260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.094398][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   12.094406][  T260]  ___sys_sendmsg (net/socket.c:2767)
[   12.094409][  T260]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.094427][  T260]  __sys_sendmsg (net/socket.c:2799)
[   12.094430][  T260]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.094437][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094443][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.094446][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.094449][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.094451][  T260] RIP: 0033:0x7f4989a5e54e
[   12.094455][  T260] 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
[   12.094457][  T260] RSP: 002b:00007ffd54be7810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.094460][  T260] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4989a5e54e
[   12.094461][  T260] RDX: 0000000000000000 RSI: 00007ffd54be78c0 RDI: 0000000000000005
[   12.094462][  T260] RBP: 00007ffd54be7820 R08: 0000000000000000 R09: 0000000000000000
[   12.094463][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918cdd
[   12.094464][  T260] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd54be7f80
| [   27.511531][    C3] softirqs last disabled at (1063967): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.511532][    C3] Preemption disabled at:
| [   27.511533][    C3] 0x0
| [   27.511543][    C3] Tainted: [W]=WARN
[   27.511544][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.511546][    C3] Call Trace:
[   27.511548][    C3]  <IRQ>
[   27.511550][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.511555][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.511559][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.511562][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.511565][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511569][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.511572][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.511575][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.511579][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.511580][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.511583][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   27.511585][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.511586][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.511590][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.511593][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.511595][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511597][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.511599][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.511601][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.511603][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511605][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511607][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.511609][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.511611][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.511613][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.511616][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.511617][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.511619][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.511621][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511622][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.511624][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.511626][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.511627][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.511629][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.511632][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.511634][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.511645][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.511647][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.511653][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.511659][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.511663][    C3]  _printk (kernel/printk/printk.c:2504)
[   27.511666][    C3]  ? snapshot_read.cold (user.c:?)
[   27.511667][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.511672][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.511674][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.511676][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.511678][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.511681][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.511683][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.511685][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.511687][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.511689][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.511695][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511697][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.511699][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.511705][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.511707][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.511713][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.511720][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.511726][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.511729][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.511731][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.511734][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.511736][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.511738][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511740][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.511742][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.511749][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.511751][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.511754][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.511756][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.511758][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.511760][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.511762][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511764][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.511766][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.511767][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.511769][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.511771][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.511772][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.511776][    C3]  </IRQ>
[   27.511776][    C3]  <TASK>
[   27.511777][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.511779][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.511781][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.511783][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.511785][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.511788][    C3] RAX: 0000000000103c1d RBX: ff11000001c88040 RCX: ffffffff998f0307
[   27.511790][    C3] RDX: ff11000001c88040 RSI: ffffffff9c638af6 RDI: ffffffff9c08d8e0
[   27.511791][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.511792][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.511792][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.511794][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.511797][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.511799][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.511801][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.511802][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.511804][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.511807][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.511809][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.511810][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.511812][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.511814][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.511816][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.566678][    C3]
| [   27.566748][    C3]
| [   27.566748][    C3] stack backtrace:
| [   27.566928][    C3] Tainted: [W]=WARN
[   27.566929][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.566930][    C3] Call Trace:
[   27.566931][    C3]  <IRQ>
[   27.566933][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.566937][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.566941][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.566944][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.566946][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.566948][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.566950][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.566952][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.566959][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.566963][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.566965][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.566972][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.566974][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.566982][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.566989][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.566997][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.566999][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.567001][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.567005][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.567007][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.567009][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.567011][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.567013][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.567021][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.567022][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.567025][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.567027][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.567029][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.567031][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.567034][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.567035][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.567037][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.567039][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.567041][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.567042][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.567043][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.567045][    C3]  </IRQ>
[   27.567046][    C3]  <TASK>
[   27.567046][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.567048][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.567050][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.567052][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.567054][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.567057][    C3] RAX: 0000000000103c1d RBX: ff11000001c88040 RCX: ffffffff998f0307
[   27.567059][    C3] RDX: ff11000001c88040 RSI: ffffffff9c638af6 RDI: ffffffff9c08d8e0
[   27.567059][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.567060][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.567061][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.567063][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.567065][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.567067][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.567068][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.567070][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.567072][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.567074][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.567076][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.567077][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.567079][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.567080][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.567082][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   30.276026][  T721] softirqs last disabled at (0): 0x0
| [   30.276028][  T721] Preemption disabled at:
| [   30.276029][  T721] 0x0
| [   30.276038][  T721] Tainted: [W]=WARN
[   30.276039][  T721] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.276040][  T721] Call Trace:
[   30.276041][  T721]  <TASK>
[   30.276043][  T721]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.276048][  T721]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.276053][  T721]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.276056][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276060][  T721]  __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))
[   30.276064][  T721]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.276067][  T721]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.276071][  T721]  ? 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)
[   30.276073][  T721]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.276075][  T721]  put_chars (drivers/char/virtio_console.c:1176)
[   30.276077][  T721]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.276078][  T721]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   30.276082][  T721]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.276085][  T721]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.276087][  T721]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.276088][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276090][  T721]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.276092][  T721]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.276095][  T721]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.276097][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276098][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276100][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276102][  T721]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.276104][  T721]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.276105][  T721]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.276108][  T721]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.276110][  T721]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.276112][  T721]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.276113][  T721]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.276115][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276116][  T721]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.276118][  T721]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.276119][  T721]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.276121][  T721]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.276123][  T721]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.276125][  T721]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.276127][  T721]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.276129][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276131][  T721]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.276133][  T721]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   30.276135][  T721]  _printk (kernel/printk/printk.c:2504)
[   30.276138][  T721]  ? snapshot_read.cold (user.c:?)
[   30.276140][  T721]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   30.276145][  T721] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.276158][  T721] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   30.276165][  T721] br_device_event (net/bridge/br.c:111) bridge
[   30.276174][  T721]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   30.276177][  T721]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   30.276180][  T721]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   30.276183][  T721]  notifier_call_chain (kernel/notifier.c:85)
[   30.276186][  T721]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   30.276190][  T721]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.276191][  T721]  ? netif_change_name (net/core/dev.c:1517)
[   30.276193][  T721]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   30.276195][  T721]  ? __kernel_text_address (kernel/extable.c:79)
[   30.276197][  T721]  ? write_profile (profile.c:?)
[   30.276199][  T721]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.276202][  T721]  netif_change_flags (net/core/dev.c:9882)
[   30.276204][  T721]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.276207][  T721]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.276209][  T721]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.276210][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276212][  T721]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.276215][  T721]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.276218][  T721]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.276219][  T721]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.276221][  T721]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.276222][  T721]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   30.276224][  T721]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   30.276225][  T721]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.276226][  T721]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.276228][  T721]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.276230][  T721]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.276231][  T721]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.276233][  T721]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.276235][  T721]  ? __sys_sendmsg (net/socket.c:2799)
[   30.276236][  T721]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.276238][  T721]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.276241][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276242][  T721]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.276244][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276245][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276247][  T721]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.276250][  T721]  ? __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)
[   30.276251][  T721]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.276253][  T721]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.276254][  T721]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.276256][  T721]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.276258][  T721]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.276260][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276262][  T721]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.276263][  T721]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.276264][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276266][  T721]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   30.276270][  T721]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.276271][  T721]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.276273][  T721]  ? __kernel_text_address (kernel/extable.c:79)
[   30.276274][  T721]  ? write_profile (profile.c:?)
[   30.276275][  T721]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.276276][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276278][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276280][  T721]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.276283][  T721]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.276285][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276286][  T721]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.276288][  T721]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.276289][  T721]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.276291][  T721]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.276292][  T721]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.276294][  T721]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.276296][  T721]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.276297][  T721]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.276298][  T721]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.276300][  T721]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   30.276302][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276304][  T721]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.276306][  T721]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.276308][  T721]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.276315][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276317][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276318][  T721]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.276320][  T721]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.276322][  T721]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.276324][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276326][  T721]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.276327][  T721]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.276329][  T721]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.276331][  T721]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.276332][  T721]  ? move_addr_to_kernel (net/socket.c:258)
[   30.276334][  T721]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.276336][  T721]  ___sys_sendmsg (net/socket.c:2767)
[   30.276338][  T721]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.276343][  T721]  __sys_sendmsg (net/socket.c:2799)
[   30.276344][  T721]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.276347][  T721]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.276349][  T721]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.276350][  T721]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.276352][  T721]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.276354][  T721] RIP: 0033:0x7fde06ffc54e
[   30.276355][  T721] 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
[   30.276357][  T721] RSP: 002b:00007ffdcc8c0dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.276361][  T721] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde06ffc54e
[   30.276362][  T721] RDX: 0000000000000000 RSI: 00007ffdcc8c0e80 RDI: 0000000000000005
[   30.276363][  T721] RBP: 00007ffdcc8c0de0 R08: 0000000000000000 R09: 0000000000000000
[   30.276364][  T721] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918cef


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