======================================
| [   10.778021][  T218] softirqs last disabled at (20063): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.778024][  T218] Preemption disabled at:
| [   10.778025][  T218] 0x0
| [   10.778038][  T218] Tainted: [W]=WARN
[   10.778040][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.778042][  T218] Call Trace:
[   10.778044][  T218]  <TASK>
[   10.778046][  T218]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.778055][  T218]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.778061][  T218]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.778067][  T218]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.778074][  T218]  __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))
[   10.778077][  T218]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.778086][  T218]  ? 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)
[   10.778090][  T218]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.778096][  T218]  put_chars (drivers/char/virtio_console.c:1176)
[   10.778100][  T218]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.778102][  T218]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.778108][  T218]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.778117][  T218]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.778128][  T218]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.778134][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.778138][  T218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.778145][  T218]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.778152][  T218]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.778155][  T218]  ? 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))
[   10.778160][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.778164][  T218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.778171][  T218]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.778178][  T218]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.778181][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.778191][  T218]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.778196][  T218]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.778198][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.778202][  T218]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.778208][  T218]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.778211][  T218]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.778217][  T218]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.778223][  T218]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.778229][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.778235][  T218]  _printk (kernel/printk/printk.c:2504)
[   10.778240][  T218]  ? snapshot_read.cold (user.c:?)
[   10.778245][  T218]  ? 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)
[   10.778249][  T218]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.778256][  T218]  ? 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)
[   10.778260][  T218]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.778266][  T218]  ? exit_notify (kernel/exit.c:780)
[   10.778269][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.778273][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.778281][  T218]  do_group_exit (kernel/exit.c:1151)
[   10.778285][  T218]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.778288][  T218]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.778291][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.778295][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.778300][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.778303][  T218] RIP: 0033:0x7fecbdd4a1b8
[   10.778306][  T218] Code: Unable to access opcode bytes at 0x7fecbdd4a18e.

Code starting with the faulting instruction
===========================================
[   10.778308][  T218] RSP: 002b:00007fff1c352118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.778311][  T218] RAX: ffffffffffffffda RBX: 00007fecbde7af88 RCX: 00007fecbdd4a1b8
[   10.778314][  T218] RDX: 00007fecbda94fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.778315][  T218] RBP: 00007fff1c352170 R08: 0000000000000000 R09: 0000000000008010
[   10.778317][  T218] R10: 00007fff1c351f30 R11: 0000000000000246 R12: 0000000000000001
[   10.778318][  T218] R13: 0000000000000000 R14: 00007fecbde79680 R15: 00007fecbde7afa0
| [   11.949001][  T255] softirqs last disabled at (13496): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.949003][  T255] Preemption disabled at:
| [   11.949004][  T255] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.949013][  T255] Tainted: [W]=WARN
[   11.949014][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.949016][  T255] Call Trace:
[   11.949017][  T255]  <TASK>
[   11.949019][  T255]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.949025][  T255]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.949027][  T255]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.949031][  T255]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.949035][  T255]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.949041][  T255]  __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))
[   11.949043][  T255]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.949048][  T255]  ? 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)
[   11.949051][  T255]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.949054][  T255]  put_chars (drivers/char/virtio_console.c:1176)
[   11.949057][  T255]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.949061][  T255]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.949065][  T255]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.949068][  T255]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.949070][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.949071][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.949075][  T255]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.949077][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.949080][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.949084][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.949088][  T255]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.949091][  T255]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.949093][  T255]  ? 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))
[   11.949096][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.949099][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.949103][  T255]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.949107][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.949108][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.949113][  T255]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.949116][  T255]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.949118][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.949120][  T255]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.949124][  T255]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.949126][  T255]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.949129][  T255]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.949134][  T255]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.949137][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.949139][  T255]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.949143][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.949146][  T255]  _printk (kernel/printk/printk.c:2504)
[   11.949150][  T255]  ? snapshot_read.cold (user.c:?)
[   11.949154][  T255]  ? br_multicast_flood (??:?) bridge
[   11.949167][  T255]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.949168][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.949169][  T255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.949174][  T255] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.949184][  T255] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.949192][  T255] new_nbp (net/bridge/br_if.c:449) bridge
[   11.949202][  T255] br_add_if (net/bridge/br_if.c:592) bridge
[   11.949210][  T255]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.949214][  T255]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.949217][  T255]  ? __kernel_text_address (kernel/extable.c:79)
[   11.949221][  T255]  do_set_master (net/core/rtnetlink.c:3071)
[   11.949226][  T255]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.949229][  T255]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.949232][  T255]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.949233][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.949235][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.949239][  T255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.949242][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.949243][  T255]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.949246][  T255]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.949249][  T255]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.949251][  T255]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.949253][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.949255][  T255]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.949258][  T255]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.949263][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.949264][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.949267][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.949269][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.949271][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.949272][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.949275][  T255]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.949279][  T255]  ? __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)
[   11.949280][  T255]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.949282][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.949286][  T255]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.949287][  T255]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.949292][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.949297][  T255]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.949302][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.949304][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.949309][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.949310][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.949312][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.949314][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.949318][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.949320][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.949323][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.949324][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.949328][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.949330][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.949334][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.949335][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.949338][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.949344][  T255]  ? 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))
[   11.949346][  T255]  ? 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))
[   11.949350][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.949354][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.949356][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.949360][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.949364][  T255]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.949368][  T255]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.949373][  T255]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.949375][  T255]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.949377][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.949379][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.949386][  T255]  ___sys_sendmsg (net/socket.c:2767)
[   11.949389][  T255]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.949404][  T255]  __sys_sendmsg (net/socket.c:2799)
[   11.949407][  T255]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.949414][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.949417][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.949420][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.949423][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.949425][  T255] RIP: 0033:0x7fa0a175654e
[   11.949429][  T255] 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
[   11.949431][  T255] RSP: 002b:00007ffddb13b490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.949433][  T255] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa0a175654e
[   11.949435][  T255] RDX: 0000000000000000 RSI: 00007ffddb13b540 RDI: 0000000000000005
[   11.949436][  T255] RBP: 00007ffddb13b4a0 R08: 0000000000000000 R09: 0000000000000000
[   11.949437][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916054
[   11.949437][  T255] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddb13bc00
| [   18.421347][  T315] softirqs last disabled at (19511): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.421349][  T315] Preemption disabled at:
| [   18.421350][  T315] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.421359][  T315] Tainted: [W]=WARN
[   18.421360][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.421362][  T315] Call Trace:
[   18.421364][  T315]  <TASK>
[   18.421365][  T315]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.421371][  T315]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.421373][  T315]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.421377][  T315]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.421381][  T315]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.421386][  T315]  __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))
[   18.421388][  T315]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.421394][  T315]  ? 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)
[   18.421397][  T315]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.421400][  T315]  put_chars (drivers/char/virtio_console.c:1176)
[   18.421403][  T315]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.421404][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.421408][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.421411][  T315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.421415][  T315]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.421418][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.421423][  T315]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.421425][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.421430][  T315]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.421434][  T315]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.421435][  T315]  ? 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))
[   18.421438][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.421441][  T315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.421444][  T315]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.421448][  T315]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.421450][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.421455][  T315]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.421458][  T315]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.421460][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.421462][  T315]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.421465][  T315]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.421467][  T315]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.421470][  T315]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.421475][  T315]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.421478][  T315]  ? netdev_run_todo (net/core/dev.c:11776)
[   18.421482][  T315]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   18.421485][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.421489][  T315]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   18.421492][  T315]  _printk (kernel/printk/printk.c:2504)
[   18.421496][  T315]  ? snapshot_read.cold (user.c:?)
[   18.421498][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.421501][  T315]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   18.421502][  T315]  ? __up_write (kernel/locking/rwsem.c:1415)
[   18.421504][  T315]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   18.421507][  T315]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   18.421509][  T315] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   18.421512][  T315]  do_one_initcall (init/main.c:1357)
[   18.421515][  T315]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.421520][  T315]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.421523][  T315]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.421527][  T315]  do_init_module (kernel/module/main.c:3117)
[   18.421531][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.421535][  T315]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.421538][  T315]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.421542][  T315]  load_module (kernel/module/main.c:3593)
[   18.421549][  T315]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.421552][  T315]  ? __ia32_sys_fsconfig (??:?)
[   18.421556][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.421558][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.421562][  T315]  init_module_from_file (kernel/module/main.c:3790)
[   18.421565][  T315]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.421573][  T315]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.421576][  T315]  ? 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)
[   18.421579][  T315]  idempotent_init_module (kernel/module/main.c:3802)
[   18.421583][  T315]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.421589][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.421591][  T315]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.421597][  T315]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.421599][  T315]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.421603][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.421605][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.421607][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.421610][  T315] RIP: 0033:0x7f3778a6a37d
[   18.421613][  T315] 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
[   18.421615][  T315] RSP: 002b:00007ffdfadbc5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.421618][  T315] RAX: ffffffffffffffda RBX: 0000564ec1c8b810 RCX: 00007f3778a6a37d
[   18.421619][  T315] RDX: 0000000000000000 RSI: 0000564ea6094ffd RDI: 0000000000000000
[   18.421620][  T315] RBP: 00007ffdfadbc690 R08: 0000000000000000 R09: 0000000000000000
[   18.421621][  T315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564ea6094ffd
[   18.421622][  T315] R13: 0000564ec1c8b960 R14: 0000000000040000 R15: 0000000000000000
| [   27.510258][    C3] softirqs last disabled at (656437): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.510260][    C3] Preemption disabled at:
| [   27.510261][    C3] 0x0
| [   27.510275][    C3] Tainted: [W]=WARN
[   27.510276][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.510279][    C3] Call Trace:
[   27.510281][    C3]  <IRQ>
[   27.510283][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.510290][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.510294][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.510299][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.510302][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.510306][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510309][    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))
[   27.510314][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.510317][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.510322][    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)
[   27.510325][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.510328][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   27.510331][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.510333][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.510338][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.510343][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.510345][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510348][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.510351][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.510354][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.510357][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510360][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510362][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.510365][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.510367][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.510371][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.510375][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.510377][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.510380][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.510382][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510384][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.510386][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.510389][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.510392][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.510395][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.510398][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.510401][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.510418][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.510420][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.510431][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.510441][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.510446][    C3]  _printk (kernel/printk/printk.c:2504)
[   27.510450][    C3]  ? snapshot_read.cold (user.c:?)
[   27.510453][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.510458][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.510461][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.510464][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.510468][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.510472][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.510475][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.510478][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.510481][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.510484][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.510494][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510497][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.510500][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.510509][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.510512][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.510522][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.510533][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.510543][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.510547][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.510549][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.510554][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.510557][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.510559][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510563][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.510566][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.510575][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.510577][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.510580][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.510582][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.510584][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.510586][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.510588][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510590][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.510592][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.510593][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.510595][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.510597][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.510598][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.510601][    C3]  </IRQ>
[   27.510602][    C3]  <TASK>
[   27.510602][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.510604][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.510607][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.510610][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.510612][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.510615][    C3] RAX: 00000000000a0433 RBX: ff11000001c88040 RCX: ffffffffa50f0307
[   27.510616][    C3] RDX: ff11000001c88040 RSI: ffffffffa7e38b01 RDI: ffffffffa788d8e0
[   27.510617][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.510618][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.510619][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.510620][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.510623][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.510626][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.510627][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.510629][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.510631][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.510633][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.510634][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.510636][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.510637][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.510639][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.510641][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.510643][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.570676][    C3]
| [   27.570748][    C3]
| [   27.570748][    C3] stack backtrace:
| [   27.570972][    C3] Tainted: [W]=WARN
[   27.570973][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.570975][    C3] Call Trace:
[   27.570976][    C3]  <IRQ>
[   27.570978][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.570983][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.570986][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.570989][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.570990][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.570992][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.570994][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.570996][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.571003][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.571006][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.571008][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.571014][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.571016][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.571022][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.571029][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.571035][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.571037][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.571039][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.571043][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.571045][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.571047][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.571049][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.571051][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.571057][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.571059][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.571062][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.571064][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.571066][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.571067][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.571070][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.571072][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.571074][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.571075][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.571077][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.571079][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.571080][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.571082][    C3]  </IRQ>
[   27.571082][    C3]  <TASK>
[   27.571083][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.571084][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.571086][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.571089][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.571090][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.571093][    C3] RAX: 00000000000a0433 RBX: ff11000001c88040 RCX: ffffffffa50f0307
[   27.571094][    C3] RDX: ff11000001c88040 RSI: ffffffffa7e38b01 RDI: ffffffffa788d8e0
[   27.571095][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.571096][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.571096][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.571098][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.571100][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.571102][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.571103][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.571105][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.571106][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.571108][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.571109][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.571111][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.571113][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.571114][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.571116][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.571117][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   45.539174][  T504] softirqs last disabled at (0): 0x0
| [   45.539176][  T504] Preemption disabled at:
| [   45.539177][  T504] 0x0
| [   45.539186][  T504] Tainted: [W]=WARN
[   45.539187][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.539189][  T504] Call Trace:
[   45.539191][  T504]  <TASK>
[   45.539192][  T504]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.539199][  T504]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.539203][  T504]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.539207][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539212][  T504]  __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))
[   45.539215][  T504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.539218][  T504]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.539223][  T504]  ? 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)
[   45.539225][  T504]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.539227][  T504]  put_chars (drivers/char/virtio_console.c:1176)
[   45.539229][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539231][  T504]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.539234][  T504]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   45.539237][  T504]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[   45.539240][  T504]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[   45.539244][  T504]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.539248][  T504]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.539250][  T504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.539252][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539254][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.539257][  T504]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.539260][  T504]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.539263][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539265][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.539268][  T504]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.539270][  T504]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.539273][  T504]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.539277][  T504]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.539279][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.539281][  T504]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.539283][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539285][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.539287][  T504]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.539289][  T504]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   45.539291][  T504]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.539294][  T504]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.539296][  T504]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.539301][  T504]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.539303][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539305][  T504]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.539308][  T504]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   45.539310][  T504]  _printk (kernel/printk/printk.c:2504)
[   45.539314][  T504]  ? snapshot_read.cold (user.c:?)
[   45.539317][  T504]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   45.539323][  T504] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   45.539339][  T504] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   45.539350][  T504] br_device_event (net/bridge/br.c:111) bridge
[   45.539361][  T504]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   45.539365][  T504]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   45.539368][  T504]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   45.539373][  T504]  notifier_call_chain (kernel/notifier.c:85)
[   45.539377][  T504]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   45.539381][  T504]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.539383][  T504]  ? netif_change_name (net/core/dev.c:1517)
[   45.539386][  T504]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   45.539389][  T504]  ? __kernel_text_address (kernel/extable.c:79)
[   45.539392][  T504]  ? write_profile (profile.c:?)
[   45.539394][  T504]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.539397][  T504]  netif_change_flags (net/core/dev.c:9882)
[   45.539401][  T504]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   45.539405][  T504]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.539407][  T504]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.539408][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539411][  T504]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.539416][  T504]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.539419][  T504]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.539422][  T504]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.539424][  T504]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.539426][  T504]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   45.539428][  T504]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   45.539430][  T504]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.539432][  T504]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.539435][  T504]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.539437][  T504]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.539439][  T504]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.539443][  T504]  ? ___sys_sendmsg (net/socket.c:2767)
[   45.539444][  T504]  ? __sys_sendmsg (net/socket.c:2799)
[   45.539447][  T504]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.539449][  T504]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.539453][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539456][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.539458][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539460][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539462][  T504]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.539466][  T504]  ? __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)
[   45.539468][  T504]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.539470][  T504]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.539473][  T504]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.539476][  T504]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.539479][  T504]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.539482][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539485][  T504]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.539486][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.539488][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539491][  T504]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   45.539495][  T504]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.539498][  T504]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.539500][  T504]  ? __kernel_text_address (kernel/extable.c:79)
[   45.539502][  T504]  ? write_profile (profile.c:?)
[   45.539503][  T504]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.539505][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539508][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539510][  T504]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   45.539514][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.539516][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539519][  T504]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.539521][  T504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.539524][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.539526][  T504]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.539528][  T504]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.539532][  T504]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.539534][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.539536][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.539538][  T504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.539540][  T504]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   45.539544][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539546][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.539549][  T504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.539552][  T504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.539554][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539557][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539559][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.539562][  T504]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.539565][  T504]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.539567][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539570][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.539573][  T504]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.539575][  T504]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.539578][  T504]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.539580][  T504]  ? move_addr_to_kernel (net/socket.c:258)
[   45.539582][  T504]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.539586][  T504]  ___sys_sendmsg (net/socket.c:2767)
[   45.539588][  T504]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.539595][  T504]  __sys_sendmsg (net/socket.c:2799)
[   45.539598][  T504]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.539601][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.539604][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.539606][  T504]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.539609][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.539611][  T504] RIP: 0033:0x7ffb305b354e
[   45.539614][  T504] 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
[   45.539616][  T504] RSP: 002b:00007fffca2126c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.539620][  T504] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffb305b354e
[   45.539622][  T504] RDX: 0000000000000000 RSI: 00007fffca212770 RDI: 0000000000000005
[   45.539623][  T504] RBP: 00007fffca2126d0 R08: 0000000000000000 R09: 0000000000000000
[   45.539624][  T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916075


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