======================================
| [    9.023546][  T188] softirqs last disabled at (54664): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.023548][  T188] Preemption disabled at:
| [    9.023549][  T188] 0x0
| [    9.023563][  T188] Tainted: [W]=WARN
[    9.023564][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.023566][  T188] Call Trace:
[    9.023568][  T188]  <TASK>
[    9.023569][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.023576][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.023581][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.023585][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.023591][  T188]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.023593][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.023599][  T188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.023602][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.023605][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.023608][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.023610][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.023615][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.023622][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.023629][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.023631][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.023634][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.023639][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.023644][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.023645][  T188]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.023649][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.023651][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.023656][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.023661][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.023663][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.023668][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.023671][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.023673][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.023676][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.023679][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.023681][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.023685][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.023689][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.023692][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.023697][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.023701][  T188]  ? snapshot_read.cold (user.c:?)
[    9.023704][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.023707][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.023711][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.023714][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.023717][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.023719][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.023722][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.023727][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.023730][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.023732][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.023734][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.023737][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.023740][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.023743][  T188] RIP: 0033:0x7fced0af01b8
[    9.023745][  T188] Code: Unable to access opcode bytes at 0x7fced0af018e.

Code starting with the faulting instruction
===========================================
[    9.023746][  T188] RSP: 002b:00007ffcaa02c918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.023749][  T188] RAX: ffffffffffffffda RBX: 00007fced0c20f88 RCX: 00007fced0af01b8
[    9.023750][  T188] RDX: 00007fced083afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.023751][  T188] RBP: 00007ffcaa02c970 R08: 0000000000000000 R09: 0000000000008010
[    9.023752][  T188] R10: 00007ffcaa02c730 R11: 0000000000000246 R12: 0000000000000001
[    9.023753][  T188] R13: 0000000000000000 R14: 00007fced0c1f680 R15: 00007fced0c20fa0
| [   10.600174][  T254] softirqs last disabled at (13462): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.600176][  T254] Preemption disabled at:
| [   10.600177][  T254] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.600185][  T254] Tainted: [W]=WARN
[   10.600186][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.600188][  T254] Call Trace:
[   10.600189][  T254]  <TASK>
[   10.600191][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.600196][  T254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.600198][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.600203][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.600207][  T254]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.600212][  T254]  __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))
[   10.600215][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.600220][  T254]  ? 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)
[   10.600223][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.600227][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   10.600229][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.600234][  T254]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.600237][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.600241][  T254]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.600242][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.600244][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.600248][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.600250][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.600253][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.600257][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.600261][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.600265][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.600267][  T254]  ? 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))
[   10.600270][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.600272][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.600276][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.600280][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.600282][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.600288][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.600290][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.600292][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.600294][  T254]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.600298][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.600300][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.600303][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.600307][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.600309][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.600311][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.600315][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.600319][  T254]  _printk (kernel/printk/printk.c:2504)
[   10.600322][  T254]  ? snapshot_read.cold (user.c:?)
[   10.600326][  T254]  ? br_multicast_flood (??:?) bridge
[   10.600338][  T254]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.600339][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.600340][  T254]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.600345][  T254] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.600355][  T254] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.600363][  T254] new_nbp (net/bridge/br_if.c:449) bridge
[   10.600372][  T254] br_add_if (net/bridge/br_if.c:592) bridge
[   10.600379][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.600383][  T254]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.600386][  T254]  ? __kernel_text_address (kernel/extable.c:79)
[   10.600390][  T254]  do_set_master (net/core/rtnetlink.c:3071)
[   10.600395][  T254]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.600398][  T254]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.600401][  T254]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.600402][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.600405][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.600409][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.600412][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.600413][  T254]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.600416][  T254]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.600419][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.600420][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.600423][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.600425][  T254]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   10.600428][  T254]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.600433][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.600434][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.600437][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.600439][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.600441][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.600442][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.600445][  T254]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.600449][  T254]  ? __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)
[   10.600450][  T254]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.600453][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.600456][  T254]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.600458][  T254]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.600463][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.600468][  T254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.600473][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.600475][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.600479][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.600481][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.600483][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.600485][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.600489][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.600491][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.600494][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.600495][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.600499][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.600501][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.600505][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.600506][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.600509][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.600515][  T254]  ? 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))
[   10.600517][  T254]  ? 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))
[   10.600521][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.600525][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.600528][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.600532][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.600535][  T254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.600539][  T254]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.600549][  T254]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.600552][  T254]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.600554][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.600555][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   10.600569][  T254]  ___sys_sendmsg (net/socket.c:2767)
[   10.600572][  T254]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.600588][  T254]  __sys_sendmsg (net/socket.c:2799)
[   10.600591][  T254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.600597][  T254]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.600599][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.600603][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.600605][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.600608][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.600611][  T254] RIP: 0033:0x7f6572d4d54e
[   10.600614][  T254] 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
[   10.600616][  T254] RSP: 002b:00007ffde40afee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.600618][  T254] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6572d4d54e
[   10.600620][  T254] RDX: 0000000000000000 RSI: 00007ffde40aff90 RDI: 0000000000000005
[   10.600620][  T254] RBP: 00007ffde40afef0 R08: 0000000000000000 R09: 0000000000000000
[   10.600621][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b6bf
[   10.600622][  T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde40b0650
| [   24.784227][  T329] softirqs last disabled at (13328): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2))
| [   24.784229][  T329] Preemption disabled at:
| [   24.784230][  T329] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.784239][  T329] Tainted: [W]=WARN
[   24.784240][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.784242][  T329] Call Trace:
[   24.784244][  T329]  <TASK>
[   24.784245][  T329]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.784251][  T329]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.784253][  T329]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.784258][  T329]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.784262][  T329]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.784267][  T329]  __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))
[   24.784270][  T329]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.784275][  T329]  ? 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)
[   24.784278][  T329]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.784281][  T329]  put_chars (drivers/char/virtio_console.c:1176)
[   24.784283][  T329]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.784285][  T329]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.784288][  T329]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.784292][  T329]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.784296][  T329]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.784299][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.784300][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.784305][  T329]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.784306][  T329]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.784310][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.784313][  T329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.784317][  T329]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.784321][  T329]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.784323][  T329]  ? 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))
[   24.784326][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.784328][  T329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.784332][  T329]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.784336][  T329]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.784338][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.784343][  T329]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.784346][  T329]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.784348][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.784350][  T329]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.784354][  T329]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.784356][  T329]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.784359][  T329]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.784363][  T329]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.784365][  T329]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.784367][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.784369][  T329]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   24.784371][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.784374][  T329]  _printk (kernel/printk/printk.c:2504)
[   24.784378][  T329]  ? snapshot_read.cold (user.c:?)
[   24.784381][  T329]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.784383][  T329]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.784385][  T329]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.784388][  T329]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.784392][  T329]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.784394][  T329]  ? netdev_notice (net/core/dev.c:13194)
[   24.784399][  T329]  ? 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)
[   24.784400][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.784403][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.784405][  T329]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.784409][  T329]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   24.784413][  T329]  __dev_change_flags (net/core/dev.c:9821)
[   24.784417][  T329]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   24.784419][  T329]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.784422][  T329]  ? __kernel_text_address (kernel/extable.c:79)
[   24.784423][  T329]  ? write_profile (profile.c:?)
[   24.784425][  T329]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.784430][  T329]  netif_change_flags (net/core/dev.c:9877)
[   24.784434][  T329]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.784438][  T329]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.784440][  T329]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.784442][  T329]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.784444][  T329]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.784447][  T329]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.784450][  T329]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.784452][  T329]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.784454][  T329]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.784457][  T329]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.784459][  T329]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.784461][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.784463][  T329]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   24.784466][  T329]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.784471][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.784473][  T329]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.784476][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.784478][  T329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.784479][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.784481][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.784483][  T329]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.784486][  T329]  ? __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)
[   24.784489][  T329]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.784491][  T329]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.784495][  T329]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.784500][  T329]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.784506][  T329]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.784511][  T329]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.784513][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.784517][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.784519][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.784521][  T329]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.784523][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.784527][  T329]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.784529][  T329]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.784532][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.784533][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.784538][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.784540][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.784546][  T329]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.784548][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.784551][  T329]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.784557][  T329]  ? 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))
[   24.784559][  T329]  ? 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))
[   24.784563][  T329]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.784567][  T329]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.784569][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.784574][  T329]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.784577][  T329]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.784581][  T329]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.784587][  T329]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.784589][  T329]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.784592][  T329]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.784593][  T329]  ? move_addr_to_kernel (net/socket.c:258)
[   24.784601][  T329]  ___sys_sendmsg (net/socket.c:2767)
[   24.784604][  T329]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.784626][  T329]  __sys_sendmsg (net/socket.c:2799)
[   24.784629][  T329]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.784636][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.784639][  T329]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.784642][  T329]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.784645][  T329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.784647][  T329] RIP: 0033:0x7f7c84b9254e
[   24.784651][  T329] 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
[   24.784653][  T329] RSP: 002b:00007ffd032cf530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.784656][  T329] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7c84b9254e
[   24.784657][  T329] RDX: 0000000000000000 RSI: 00007ffd032cf5e0 RDI: 0000000000000005
[   24.784658][  T329] RBP: 00007ffd032cf540 R08: 0000000000000000 R09: 0000000000000000
[   24.784659][  T329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b6cd
[   24.784660][  T329] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd032cfca0
| [   25.975633][    C2] softirqs last disabled at (645913): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.975635][    C2] Preemption disabled at:
| [   25.975636][    C2] 0x0
| [   25.975645][    C2] Tainted: [W]=WARN
[   25.975646][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.975647][    C2] Call Trace:
[   25.975649][    C2]  <IRQ>
[   25.975651][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.975656][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.975660][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.975662][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.975666][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   25.975668][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975672][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.975676][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.975677][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.975681][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.975682][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.975684][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   25.975686][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.975688][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   25.975691][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.975695][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.975697][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975698][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.975700][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.975703][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.975705][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975706][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975708][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.975710][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   25.975712][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.975714][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.975717][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.975718][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.975720][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.975721][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975723][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   25.975724][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.975726][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.975728][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.975730][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.975732][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.975734][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.975746][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   25.975748][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.975754][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.975760][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   25.975764][    C2]  _printk (kernel/printk/printk.c:2504)
[   25.975767][    C2]  ? snapshot_read.cold (user.c:?)
[   25.975768][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   25.975773][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.975775][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   25.975776][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   25.975779][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   25.975782][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   25.975783][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   25.975785][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   25.975787][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.975789][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.975795][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975797][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.975799][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.975805][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   25.975806][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.975813][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.975819][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.975825][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   25.975828][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   25.975830][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   25.975833][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.975835][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.975837][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975839][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   25.975841][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.975848][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   25.975850][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.975852][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.975855][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   25.975857][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   25.975858][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.975861][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975863][    C2]  handle_softirqs (kernel/softirq.c:645)
[   25.975865][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.975866][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   25.975868][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   25.975869][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   25.975871][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   25.975874][    C2]  </IRQ>
[   25.975874][    C2]  <TASK>
[   25.975875][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.975877][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   25.975879][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   25.975881][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   25.975883][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   25.975886][    C2] RAX: 000000000009db17 RBX: ff11000001bec6c0 RCX: ffffffff8dcf0307
[   25.975888][    C2] RDX: ff11000001bec6c0 RSI: ffffffff90a38af6 RDI: ffffffff9048d8e0
[   25.975889][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   25.975889][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   25.975890][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   25.975892][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   25.975895][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   25.975897][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   25.975898][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   25.975900][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   25.975902][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   25.975904][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975905][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.975907][    C2]  do_idle (kernel/sched/idle.c:355)
[   25.975909][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   25.975910][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   25.975912][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   25.975914][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.031181][    C2]
| [   26.031245][    C2]
| [   26.031245][    C2] stack backtrace:
| [   26.031454][    C2] Tainted: [W]=WARN
[   26.031455][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.031455][    C2] Call Trace:
[   26.031456][    C2]  <IRQ>
[   26.031457][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.031460][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.031463][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.031465][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.031467][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.031469][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.031471][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.031472][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.031479][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.031482][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.031484][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.031489][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.031491][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.031497][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.031503][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.031510][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.031512][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.031513][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.031516][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.031517][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.031519][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.031521][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.031523][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.031530][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.031531][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.031534][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.031536][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.031538][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.031540][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.031541][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.031543][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.031545][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.031547][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.031549][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.031550][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.031551][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.031553][    C2]  </IRQ>
[   26.031553][    C2]  <TASK>
[   26.031554][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.031556][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.031557][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.031559][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.031560][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.031562][    C2] RAX: 000000000009db17 RBX: ff11000001bec6c0 RCX: ffffffff8dcf0307
[   26.031563][    C2] RDX: ff11000001bec6c0 RSI: ffffffff90a38af6 RDI: ffffffff9048d8e0
[   26.031564][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.031564][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.031565][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.031566][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.031569][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.031570][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.031572][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.031573][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.031575][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.031576][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.031578][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.031580][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.031581][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.031583][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.031584][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.031586][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.320947][  T354] softirqs last disabled at (0): 0x0
| [   27.320948][  T354] Preemption disabled at:
| [   27.320949][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.320960][  T354] Tainted: [W]=WARN
[   27.320961][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.320963][  T354] Call Trace:
[   27.320965][  T354]  <TASK>
[   27.320966][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.320971][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.320973][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.320977][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.320981][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.320985][  T354]  __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))
[   27.320988][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.320991][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.320995][  T354]  ? 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)
[   27.320997][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.320999][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   27.321001][  T354]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   27.321002][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.321004][  T354]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.321006][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.321010][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.321011][  T354]  ? 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)
[   27.321013][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.321014][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321016][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321017][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321020][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.321022][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.321024][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321026][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321027][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321029][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321031][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.321033][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.321035][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.321038][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.321039][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321041][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.321043][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321044][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.321046][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.321047][  T354]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   27.321049][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.321051][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.321053][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.321056][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.321057][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321059][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321061][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321063][  T354]  _printk (kernel/printk/printk.c:2504)
[   27.321066][  T354]  ? snapshot_read.cold (user.c:?)
[   27.321068][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321070][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321071][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321073][  T354]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.321076][  T354]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.321078][  T354]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.321079][  T354]  ? netdev_notice (net/core/dev.c:13194)
[   27.321081][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321083][  T354]  ? 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)
[   27.321085][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.321086][  T354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.321089][  T354]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.321092][  T354]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   27.321095][  T354]  __dev_change_flags (net/core/dev.c:9821)
[   27.321099][  T354]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.321101][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.321104][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   27.321105][  T354]  ? write_profile (profile.c:?)
[   27.321107][  T354]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.321110][  T354]  netif_change_flags (net/core/dev.c:9877)
[   27.321112][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   27.321116][  T354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.321118][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.321119][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321121][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   27.321125][  T354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.321127][  T354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.321129][  T354]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.321130][  T354]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   27.321132][  T354]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   27.321133][  T354]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   27.321134][  T354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.321136][  T354]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.321139][  T354]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.321140][  T354]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.321141][  T354]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.321144][  T354]  ? ___sys_sendmsg (net/socket.c:2767)
[   27.321145][  T354]  ? __sys_sendmsg (net/socket.c:2799)
[   27.321147][  T354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.321150][  T354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.321152][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321154][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321155][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321157][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321158][  T354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.321160][  T354]  ? __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)
[   27.321163][  T354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.321164][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.321165][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.321168][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.321170][  T354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.321172][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321174][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.321175][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321176][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321178][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   27.321182][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   27.321184][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.321185][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   27.321186][  T354]  ? write_profile (profile.c:?)
[   27.321188][  T354]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.321189][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321191][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321192][  T354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.321196][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321197][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321199][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.321200][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.321202][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.321203][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   27.321205][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   27.321207][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.321209][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.321210][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.321211][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.321213][  T354]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   27.321215][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321217][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.321219][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.321221][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.321223][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321224][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321226][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.321228][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.321230][  T354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.321232][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321234][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.321236][  T354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.321237][  T354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.321239][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.321241][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   27.321242][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   27.321245][  T354]  ___sys_sendmsg (net/socket.c:2767)
[   27.321246][  T354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.321251][  T354]  __sys_sendmsg (net/socket.c:2799)
[   27.321253][  T354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.321256][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.321258][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.321260][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.321262][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.321263][  T354] RIP: 0033:0x7f344936a54e
[   27.321265][  T354] 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
[   27.321267][  T354] RSP: 002b:00007fffa3d23bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.321271][  T354] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f344936a54e
[   27.321272][  T354] RDX: 0000000000000000 RSI: 00007fffa3d23ca0 RDI: 0000000000000005
[   27.321273][  T354] RBP: 00007fffa3d23c00 R08: 0000000000000000 R09: 0000000000000000
[   27.321274][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b6cf


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
dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars