======================================
| [   10.391068][  T187] softirqs last disabled at (44119): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.391070][  T187] Preemption disabled at:
| [   10.391071][  T187] 0x0
| [   10.391082][  T187] Tainted: [W]=WARN
[   10.391082][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.391084][  T187] Call Trace:
[   10.391086][  T187]  <TASK>
[   10.391087][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.391094][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.391098][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.391103][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.391108][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.391110][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.391116][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.391118][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.391121][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.391124][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.391125][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.391130][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.391135][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.391143][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.391146][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.391148][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.391152][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.391156][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.391158][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.391161][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.391163][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.391167][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.391172][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.391173][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.391179][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.391181][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.391183][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.391186][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.391189][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.391191][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.391194][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.391198][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.391201][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.391205][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.391209][  T187]  ? snapshot_read.cold (user.c:?)
[   10.391211][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.391214][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.391218][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.391220][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.391225][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.391227][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.391229][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.391233][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.391236][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.391238][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.391240][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.391243][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.391247][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.391249][  T187] RIP: 0033:0x7efd20f4e1b8
[   10.391251][  T187] Code: Unable to access opcode bytes at 0x7efd20f4e18e.

Code starting with the faulting instruction
===========================================
[   10.391252][  T187] RSP: 002b:00007ffd47f01588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.391255][  T187] RAX: ffffffffffffffda RBX: 00007efd2107ef88 RCX: 00007efd20f4e1b8
[   10.391256][  T187] RDX: 00007efd20c98fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.391257][  T187] RBP: 00007ffd47f015e0 R08: 0000000000000000 R09: 0000000000008010
[   10.391258][  T187] R10: 00007ffd47f013a0 R11: 0000000000000246 R12: 0000000000000001
[   10.391259][  T187] R13: 0000000000000000 R14: 00007efd2107d680 R15: 00007efd2107efa0
| [   11.755884][  T235] softirqs last disabled at (13894): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.755887][  T235] Preemption disabled at:
| [   11.755887][  T235] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.755896][  T235] Tainted: [W]=WARN
[   11.755897][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.755898][  T235] Call Trace:
[   11.755900][  T235]  <TASK>
[   11.755901][  T235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.755913][  T235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.755915][  T235]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.755920][  T235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.755924][  T235]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.755929][  T235]  __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))
[   11.755931][  T235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.755936][  T235]  ? 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)
[   11.755939][  T235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.755942][  T235]  put_chars (drivers/char/virtio_console.c:1176)
[   11.755944][  T235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.755948][  T235]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.755952][  T235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.755955][  T235]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.755956][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.755958][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.755962][  T235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.755964][  T235]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.755967][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.755971][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.755974][  T235]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.755978][  T235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.755980][  T235]  ? 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))
[   11.755983][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.755985][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.755989][  T235]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.755993][  T235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.755995][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.755999][  T235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.756002][  T235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.756004][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.756006][  T235]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.756010][  T235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.756011][  T235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.756015][  T235]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.756018][  T235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.756021][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.756022][  T235]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.756027][  T235]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.756030][  T235]  _printk (kernel/printk/printk.c:2504)
[   11.756033][  T235]  ? snapshot_read.cold (user.c:?)
[   11.756037][  T235]  ? br_multicast_flood (??:?) bridge
[   11.756050][  T235]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.756051][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.756052][  T235]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.756057][  T235] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.756066][  T235] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.756075][  T235] new_nbp (net/bridge/br_if.c:449) bridge
[   11.756084][  T235] br_add_if (net/bridge/br_if.c:592) bridge
[   11.756091][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.756095][  T235]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.756097][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   11.756101][  T235]  do_set_master (net/core/rtnetlink.c:3071)
[   11.756106][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.756109][  T235]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.756112][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.756113][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.756115][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.756119][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.756122][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.756123][  T235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.756126][  T235]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.756129][  T235]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.756130][  T235]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.756133][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.756135][  T235]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.756138][  T235]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.756143][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.756146][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.756148][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.756151][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.756152][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.756154][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.756156][  T235]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.756160][  T235]  ? __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)
[   11.756162][  T235]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.756164][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.756167][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.756168][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.756173][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.756178][  T235]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.756183][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.756185][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.756189][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.756191][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.756193][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.756195][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.756199][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.756201][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.756204][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.756205][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.756209][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.756211][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.756214][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.756216][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.756219][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.756225][  T235]  ? 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))
[   11.756226][  T235]  ? 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))
[   11.756230][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.756234][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.756236][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.756240][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.756244][  T235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.756248][  T235]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.756253][  T235]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.756255][  T235]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.756257][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.756259][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   11.756266][  T235]  ___sys_sendmsg (net/socket.c:2767)
[   11.756269][  T235]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.756284][  T235]  __sys_sendmsg (net/socket.c:2799)
[   11.756287][  T235]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.756293][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.756297][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.756299][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.756302][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.756304][  T235] RIP: 0033:0x7f4e6daf154e
[   11.756307][  T235] 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
[   11.756309][  T235] RSP: 002b:00007ffcbf99cd00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.756312][  T235] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4e6daf154e
[   11.756314][  T235] RDX: 0000000000000000 RSI: 00007ffcbf99cdb0 RDI: 0000000000000005
[   11.756314][  T235] RBP: 00007ffcbf99cd10 R08: 0000000000000000 R09: 0000000000000000
[   11.756315][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbc8
[   11.756316][  T235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbf99d470
| [   17.464014][  T263] softirqs last disabled at (33757): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.464017][  T263] Preemption disabled at:
| [   17.464017][  T263] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.464027][  T263] Tainted: [W]=WARN
[   17.464027][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.464029][  T263] Call Trace:
[   17.464031][  T263]  <TASK>
[   17.464032][  T263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.464038][  T263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.464040][  T263]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.464044][  T263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.464048][  T263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.464053][  T263]  __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))
[   17.464056][  T263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.464061][  T263]  ? 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)
[   17.464064][  T263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.464067][  T263]  put_chars (drivers/char/virtio_console.c:1176)
[   17.464069][  T263]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.464071][  T263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.464074][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.464077][  T263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.464081][  T263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.464084][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.464085][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.464090][  T263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.464091][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.464094][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.464097][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.464101][  T263]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.464104][  T263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.464106][  T263]  ? 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))
[   17.464109][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.464111][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.464115][  T263]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.464119][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.464121][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.464126][  T263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.464129][  T263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.464130][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.464133][  T263]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.464136][  T263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.464138][  T263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.464141][  T263]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.464146][  T263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.464152][  T263]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   17.464155][  T263]  _printk (kernel/printk/printk.c:2504)
[   17.464158][  T263]  ? snapshot_read.cold (user.c:?)
[   17.464164][  T263]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   17.464167][  T263] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.464170][  T263]  do_one_initcall (init/main.c:1357)
[   17.464172][  T263]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.464177][  T263]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.464180][  T263]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.464184][  T263]  do_init_module (kernel/module/main.c:3117)
[   17.464188][  T263]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.464192][  T263]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.464195][  T263]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.464199][  T263]  load_module (kernel/module/main.c:3593)
[   17.464206][  T263]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.464210][  T263]  ? __ia32_sys_fsconfig (??:?)
[   17.464212][  T263]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.464216][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.464218][  T263]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.464221][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.464224][  T263]  init_module_from_file (kernel/module/main.c:3790)
[   17.464227][  T263]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.464236][  T263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.464239][  T263]  ? 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)
[   17.464242][  T263]  idempotent_init_module (kernel/module/main.c:3802)
[   17.464245][  T263]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.464252][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.464254][  T263]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.464260][  T263]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.464262][  T263]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.464265][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.464267][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.464270][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.464272][  T263] RIP: 0033:0x7f4b71d8c37d
[   17.464275][  T263] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.464277][  T263] RSP: 002b:00007ffdb9004628 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.464280][  T263] RAX: ffffffffffffffda RBX: 0000558b704e2810 RCX: 00007f4b71d8c37d
[   17.464281][  T263] RDX: 0000000000000000 RSI: 0000558b4be26ffd RDI: 0000000000000000
[   17.464282][  T263] RBP: 00007ffdb90046c0 R08: 0000000000000000 R09: 0000000000000000
[   17.464283][  T263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558b4be26ffd
[   17.464284][  T263] R13: 0000558b704e2960 R14: 0000000000040000 R15: 0000000000000000
| [   27.003712][    C3] softirqs last disabled at (571605): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.003715][    C3] Preemption disabled at:
| [   27.003716][    C3] 0x0
| [   27.003730][    C3] Tainted: [W]=WARN
[   27.003731][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.003734][    C3] Call Trace:
[   27.003736][    C3]  <IRQ>
[   27.003739][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.003746][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.003750][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.003755][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.003758][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.003763][    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))
[   27.003767][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.003771][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.003776][    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)
[   27.003778][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.003781][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   27.003792][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.003795][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.003800][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.003805][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.003807][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.003810][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.003813][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.003816][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.003819][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.003822][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.003824][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.003828][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.003830][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.003834][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.003838][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.003840][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.003843][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.003845][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.003847][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.003850][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.003853][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.003855][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.003858][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.003862][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.003864][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.003881][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.003883][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.003895][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.003905][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.003910][    C3]  _printk (kernel/printk/printk.c:2504)
[   27.003914][    C3]  ? snapshot_read.cold (user.c:?)
[   27.003916][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.003922][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.003925][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.003927][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.003931][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.003935][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.003938][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.003941][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.003945][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.003947][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.003958][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.003961][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.003964][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.003975][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.003978][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.003989][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.004000][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.004011][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.004015][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.004018][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.004023][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.004026][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.004028][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.004032][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.004034][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.004046][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.004049][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.004053][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.004057][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.004060][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.004062][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.004066][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.004068][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.004072][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.004074][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.004077][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.004080][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.004082][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.004086][    C3]  </IRQ>
[   27.004087][    C3]  <TASK>
[   27.004088][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.004091][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.004094][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.004098][    C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   27.004101][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.004105][    C3] RAX: 000000000008b8d3 RBX: ff11000001c88040 RCX: ffffffff8a2f0307
[   27.004107][    C3] RDX: ff11000001c88040 RSI: ffffffff8d038b1c RDI: ffffffff8ca8d8e0
[   27.004108][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.004109][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.004111][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.004113][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.004118][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.004121][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.004123][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.004126][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.004128][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.004131][    C3]  ? default_idle_call (kernel/sched/idle.c:129)
[   27.004133][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.004137][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.004139][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.004141][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.004145][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.004148][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.109657][    C3]
| [   27.109766][    C3]
| [   27.109766][    C3] stack backtrace:
| [   27.110032][    C3] Tainted: [W]=WARN
[   27.110033][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.110036][    C3] Call Trace:
[   27.110037][    C3]  <IRQ>
[   27.110040][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.110046][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.110051][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.110056][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.110059][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.110061][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.110064][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.110067][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.110079][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.110084][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.110087][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.110097][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.110101][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.110112][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.110124][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.110135][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.110138][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.110141][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.110146][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.110149][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.110152][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.110155][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.110158][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.110170][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.110172][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.110177][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.110180][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.110183][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.110186][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.110189][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.110192][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.110195][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.110198][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.110202][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.110204][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.110206][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.110209][    C3]  </IRQ>
[   27.110210][    C3]  <TASK>
[   27.110212][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.110214][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.110218][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.110222][    C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   27.110224][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.110227][    C3] RAX: 000000000008b8d3 RBX: ff11000001c88040 RCX: ffffffff8a2f0307
[   27.110229][    C3] RDX: ff11000001c88040 RSI: ffffffff8d038b1c RDI: ffffffff8ca8d8e0
[   27.110231][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.110232][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.110234][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.110236][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.110240][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.110243][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.110245][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.110248][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.110251][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.110253][    C3]  ? default_idle_call (kernel/sched/idle.c:129)
[   27.110256][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.110259][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.110261][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.110264][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.110267][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.110270][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   30.153606][  T481] softirqs last disabled at (0): 0x0
| [   30.153607][  T481] Preemption disabled at:
| [   30.153608][  T481] 0x0
| [   30.153616][  T481] Tainted: [W]=WARN
[   30.153617][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.153619][  T481] Call Trace:
[   30.153621][  T481]  <TASK>
[   30.153622][  T481]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.153627][  T481]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.153631][  T481]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.153634][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153638][  T481]  __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))
[   30.153642][  T481]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.153644][  T481]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.153648][  T481]  ? 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)
[   30.153650][  T481]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.153652][  T481]  put_chars (drivers/char/virtio_console.c:1176)
[   30.153654][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153655][  T481]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.153657][  T481]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   30.153660][  T481]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[   30.153663][  T481]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[   30.153666][  T481]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.153669][  T481]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.153671][  T481]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.153672][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153674][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.153676][  T481]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.153678][  T481]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.153680][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153682][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.153684][  T481]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.153686][  T481]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.153688][  T481]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.153691][  T481]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.153692][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.153694][  T481]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.153695][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153697][  T481]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.153698][  T481]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.153700][  T481]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.153702][  T481]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.153704][  T481]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.153706][  T481]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.153709][  T481]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.153710][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153712][  T481]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.153714][  T481]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   30.153716][  T481]  _printk (kernel/printk/printk.c:2504)
[   30.153719][  T481]  ? snapshot_read.cold (user.c:?)
[   30.153721][  T481]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   30.153725][  T481] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.153738][  T481] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   30.153746][  T481] br_device_event (net/bridge/br.c:111) bridge
[   30.153754][  T481]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   30.153758][  T481]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   30.153768][  T481]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   30.153772][  T481]  notifier_call_chain (kernel/notifier.c:85)
[   30.153776][  T481]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   30.153781][  T481]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.153783][  T481]  ? netif_change_name (net/core/dev.c:1517)
[   30.153786][  T481]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   30.153788][  T481]  ? __kernel_text_address (kernel/extable.c:79)
[   30.153791][  T481]  ? write_profile (profile.c:?)
[   30.153793][  T481]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.153796][  T481]  netif_change_flags (net/core/dev.c:9882)
[   30.153799][  T481]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.153803][  T481]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.153805][  T481]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.153807][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153810][  T481]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.153814][  T481]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.153817][  T481]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.153819][  T481]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.153821][  T481]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.153823][  T481]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   30.153826][  T481]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   30.153827][  T481]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.153829][  T481]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.153832][  T481]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.153834][  T481]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.153836][  T481]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.153839][  T481]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.153841][  T481]  ? __sys_sendmsg (net/socket.c:2799)
[   30.153843][  T481]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.153845][  T481]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.153849][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153851][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.153853][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153855][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153857][  T481]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.153861][  T481]  ? __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)
[   30.153863][  T481]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.153865][  T481]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.153867][  T481]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.153870][  T481]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.153873][  T481]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.153876][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153879][  T481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.153880][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.153882][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153885][  T481]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   30.153889][  T481]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.153891][  T481]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.153893][  T481]  ? __kernel_text_address (kernel/extable.c:79)
[   30.153895][  T481]  ? write_profile (profile.c:?)
[   30.153896][  T481]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.153898][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153900][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153902][  T481]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.153907][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.153909][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153911][  T481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.153913][  T481]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.153915][  T481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.153917][  T481]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.153919][  T481]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.153923][  T481]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.153925][  T481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.153927][  T481]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.153929][  T481]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.153930][  T481]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   30.153934][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153936][  T481]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.153939][  T481]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.153941][  T481]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.153944][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153946][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153948][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.153950][  T481]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.153953][  T481]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.153956][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153958][  T481]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.153960][  T481]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.153963][  T481]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.153965][  T481]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.153967][  T481]  ? move_addr_to_kernel (net/socket.c:258)
[   30.153968][  T481]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.153972][  T481]  ___sys_sendmsg (net/socket.c:2767)
[   30.153975][  T481]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.153982][  T481]  __sys_sendmsg (net/socket.c:2799)
[   30.153984][  T481]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.153988][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.153991][  T481]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.153993][  T481]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.153996][  T481]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.153998][  T481] RIP: 0033:0x7f6c576ea54e
[   30.154001][  T481] 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
[   30.154003][  T481] RSP: 002b:00007ffca05ccd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.154007][  T481] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6c576ea54e
[   30.154009][  T481] RDX: 0000000000000000 RSI: 00007ffca05ccde0 RDI: 0000000000000005
[   30.154010][  T481] RBP: 00007ffca05ccd40 R08: 0000000000000000 R09: 0000000000000000
[   30.154011][  T481] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbda


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
__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
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars