======================================
| [   10.253673][  T187] softirqs last disabled at (24582): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.253675][  T187] Preemption disabled at:
| [   10.253676][  T187] 0x0
| [   10.253687][  T187] Tainted: [W]=WARN
[   10.253688][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.253689][  T187] Call Trace:
[   10.253691][  T187]  <TASK>
[   10.253693][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.253699][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.253704][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.253708][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.253714][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.253716][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.253722][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.253725][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.253728][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.253731][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.253732][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.253737][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.253742][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.253749][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.253751][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.253753][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.253757][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.253761][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.253763][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.253766][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.253769][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.253773][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.253777][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.253779][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.253784][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.253787][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.253789][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.253792][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.253795][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.253797][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.253800][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.253804][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.253808][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.253811][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.253815][  T187]  ? snapshot_read.cold (user.c:?)
[   10.253818][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.253821][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.253825][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.253828][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.253831][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.253833][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.253836][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.253840][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.253843][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.253845][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.253847][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.253851][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.253854][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.253856][  T187] RIP: 0033:0x7f6c2ead61b8
[   10.253859][  T187] Code: Unable to access opcode bytes at 0x7f6c2ead618e.

Code starting with the faulting instruction
===========================================
[   10.253860][  T187] RSP: 002b:00007ffc06a02bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.253862][  T187] RAX: ffffffffffffffda RBX: 00007f6c2ec06f88 RCX: 00007f6c2ead61b8
[   10.253863][  T187] RDX: 00007f6c2e820fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.253864][  T187] RBP: 00007ffc06a02c10 R08: 0000000000000000 R09: 0000000000008010
[   10.253865][  T187] R10: 00007ffc06a029d0 R11: 0000000000000246 R12: 0000000000000001
[   10.253866][  T187] R13: 0000000000000000 R14: 00007f6c2ec05680 R15: 00007f6c2ec06fa0
| [   11.683785][  T237] softirqs last disabled at (21412): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.683788][  T237] Preemption disabled at:
| [   11.683788][  T237] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.683798][  T237] Tainted: [W]=WARN
[   11.683798][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.683800][  T237] Call Trace:
[   11.683802][  T237]  <TASK>
[   11.683803][  T237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.683809][  T237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.683811][  T237]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.683816][  T237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.683820][  T237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.683825][  T237]  __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))
[   11.683828][  T237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.683834][  T237]  ? 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)
[   11.683836][  T237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.683839][  T237]  put_chars (drivers/char/virtio_console.c:1176)
[   11.683842][  T237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.683846][  T237]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.683850][  T237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.683853][  T237]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.683855][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.683856][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.683860][  T237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.683862][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.683865][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.683870][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.683874][  T237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.683877][  T237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.683879][  T237]  ? 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))
[   11.683882][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.683885][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.683889][  T237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.683893][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.683895][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.683905][  T237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.683909][  T237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.683912][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.683914][  T237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.683918][  T237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.683920][  T237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.683923][  T237]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.683927][  T237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.683929][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.683931][  T237]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.683935][  T237]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.683939][  T237]  _printk (kernel/printk/printk.c:2504)
[   11.683942][  T237]  ? snapshot_read.cold (user.c:?)
[   11.683946][  T237]  ? br_multicast_flood (??:?) bridge
[   11.683958][  T237]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.683960][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.683961][  T237]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.683965][  T237] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.683975][  T237] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.683983][  T237] new_nbp (net/bridge/br_if.c:449) bridge
[   11.683993][  T237] br_add_if (net/bridge/br_if.c:592) bridge
[   11.684000][  T237]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.684004][  T237]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.684007][  T237]  ? __kernel_text_address (kernel/extable.c:79)
[   11.684011][  T237]  do_set_master (net/core/rtnetlink.c:3071)
[   11.684015][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.684018][  T237]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.684021][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.684023][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.684025][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.684029][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.684031][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.684033][  T237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.684036][  T237]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.684039][  T237]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.684041][  T237]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.684043][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.684045][  T237]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.684048][  T237]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.684052][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.684054][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.684057][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.684059][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.684061][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.684063][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.684065][  T237]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.684069][  T237]  ? __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)
[   11.684071][  T237]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.684073][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.684076][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.684078][  T237]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.684082][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.684088][  T237]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.684093][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.684095][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.684099][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.684101][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.684103][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.684105][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.684108][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.684110][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.684113][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.684115][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.684119][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.684121][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.684124][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.684126][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.684129][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.684135][  T237]  ? 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))
[   11.684136][  T237]  ? 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))
[   11.684141][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.684144][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.684147][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.684151][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.684155][  T237]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.684158][  T237]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.684164][  T237]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.684166][  T237]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.684168][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.684170][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   11.684177][  T237]  ___sys_sendmsg (net/socket.c:2767)
[   11.684180][  T237]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.684195][  T237]  __sys_sendmsg (net/socket.c:2799)
[   11.684198][  T237]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.684204][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.684208][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.684210][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.684213][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.684216][  T237] RIP: 0033:0x7f4c9051354e
[   11.684220][  T237] 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
[   11.684222][  T237] RSP: 002b:00007ffda8443260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.684224][  T237] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4c9051354e
[   11.684226][  T237] RDX: 0000000000000000 RSI: 00007ffda8443310 RDI: 0000000000000005
[   11.684227][  T237] RBP: 00007ffda8443270 R08: 0000000000000000 R09: 0000000000000000
[   11.684228][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915766
[   11.684229][  T237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda84439d0
| [   22.009229][  T202] softirqs last disabled at (23450): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   22.009237][  T202] Preemption disabled at:
| [   22.009237][  T202] 0x0
| [   22.009248][  T202] Tainted: [W]=WARN
[   22.009249][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.009255][  T202] Workqueue: events_unbound linkwatch_event
[   22.009259][  T202] Call Trace:
[   22.009260][  T202]  <TASK>
[   22.009263][  T202]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.009269][  T202]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.009274][  T202]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.009278][  T202]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.009284][  T202]  __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))
[   22.009286][  T202]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.009292][  T202]  ? 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)
[   22.009295][  T202]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.009298][  T202]  put_chars (drivers/char/virtio_console.c:1176)
[   22.009301][  T202]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.009304][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.009308][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.009311][  T202]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.009315][  T202]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.009317][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.009319][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.009321][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.009325][  T202]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.009327][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.009331][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.009335][  T202]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.009339][  T202]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.009341][  T202]  ? 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))
[   22.009345][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.009347][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.009351][  T202]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.009356][  T202]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.009358][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.009363][  T202]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.009366][  T202]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.009368][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.009370][  T202]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.009374][  T202]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.009376][  T202]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.009379][  T202]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.009384][  T202]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.009387][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.009389][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.009393][  T202]  _printk (kernel/printk/printk.c:2504)
[   22.009397][  T202]  ? snapshot_read.cold (user.c:?)
[   22.009402][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.009407][  T202] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   22.009417][  T202] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   22.009425][  T202] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   22.009433][  T202] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   22.009442][  T202] br_device_event (net/bridge/br.c:101) bridge
[   22.009451][  T202]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   22.009453][  T202]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   22.009460][  T202]  notifier_call_chain (kernel/notifier.c:85)
[   22.009466][  T202]  netif_state_change (net/core/dev.c:1625)
[   22.009471][  T202]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   22.009476][  T202]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.009478][  T202]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.009481][  T202]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.009484][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.009488][  T202]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.009491][  T202]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   22.009494][  T202]  process_one_work (kernel/workqueue.c:3387)
[   22.009501][  T202]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   22.009504][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.009511][  T202]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   22.009516][  T202]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   22.009518][  T202]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.009520][  T202]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   22.009523][  T202]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   22.009525][  T202]  kthread (kernel/kthread.c:436)
[   22.009527][  T202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.009530][  T202]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   22.009533][  T202]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.009537][  T202]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   22.009541][  T202]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.009544][  T202]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   22.009547][  T202]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.416761][    C0]
| [   23.416762][    C0]
| [   23.416762][    C0] stack backtrace:
| [   23.416768][    C0] Tainted: [W]=WARN
[   23.416769][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.416770][    C0] Call Trace:
[   23.416772][    C0]  <IRQ>
[   23.416773][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.416778][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   23.416780][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   23.416782][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   23.416785][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   23.416787][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   23.416788][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   23.416790][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.416792][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.416794][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.416797][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.416799][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.416801][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.416803][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   23.416805][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.416807][    C0]  ? 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))
[   23.416809][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.416810][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.416812][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.416815][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.416816][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.416819][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.416821][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.416822][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.416824][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.416826][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.416828][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.416830][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.416832][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.416834][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   23.416836][    C0]  _printk (kernel/printk/printk.c:2504)
[   23.416838][    C0]  ? snapshot_read.cold (user.c:?)
[   23.416840][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   23.416841][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.416844][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   23.416845][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.416847][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.416849][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   23.416851][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   23.416852][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   23.416856][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.416858][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.416860][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.416862][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   23.416864][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.416866][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   23.416868][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.416870][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.416873][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   23.416875][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   23.416876][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.416879][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.416880][    C0]  handle_softirqs (kernel/softirq.c:645)
[   23.416882][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.416884][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   23.416886][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   23.416887][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   23.416889][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   23.416890][    C0]  </IRQ>
[   23.416891][    C0]  <TASK>
[   23.416891][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   23.416893][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   23.416895][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   23.416898][    C0] 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
[   23.416900][    C0] RSP: 0018:ffffffffaa407cf8 EFLAGS: 00000296
[   23.416903][    C0] RAX: 0000000000076369 RBX: ffffffffaa41c600 RCX: ffffffffa74f0307
[   23.416904][    C0] RDX: ffffffffaa41c600 RSI: ffffffffaa238b01 RDI: ffffffffa9c8d8e0
[   23.416905][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   23.416906][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5480fa2
[   23.416906][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   23.416908][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   23.416910][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.416912][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   23.416913][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   23.416915][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   23.416917][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   23.416918][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   23.416921][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.416923][    C0]  do_idle (kernel/sched/idle.c:355)
[   23.416924][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   23.416926][    C0]  rest_init (init/main.c:727)
[   23.416927][    C0]  ? __cpuidle_text_end (??:?)
[   23.416930][    C0]  ? rest_init (init/main.c:727)
[   23.416932][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   23.416936][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   23.416939][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   23.416941][    C0]  start_kernel (init/main.c:1185)
[   23.416943][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   23.416945][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   23.416946][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   23.416974][    C0] softirqs last disabled at (484203): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.416976][    C0] Preemption disabled at:
| [   23.416976][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   23.416981][    C0] Tainted: [W]=WARN
[   23.416981][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.416982][    C0] Call Trace:
[   23.416982][    C0]  <IRQ>
[   23.416983][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.416985][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   23.416986][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.416989][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.416992][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.416994][    C0]  __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))
[   23.416996][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.416998][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.417000][    C0]  ? 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)
[   23.417001][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.417003][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   23.417005][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.417007][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   23.417009][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.417012][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.417013][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.417015][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.417017][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.417019][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.417021][    C0]  ? 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))
[   23.417023][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.417024][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.417026][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.417029][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.417030][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.417033][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.417035][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.417036][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.417038][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.417040][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.417041][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.417043][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.417045][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.417048][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   23.417050][    C0]  _printk (kernel/printk/printk.c:2504)
[   23.417051][    C0]  ? snapshot_read.cold (user.c:?)
[   23.417053][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   23.417055][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.417057][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   23.417059][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.417060][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.417062][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   23.417064][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   23.417065][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   23.417067][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.417069][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.417070][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.417072][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   23.417074][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.417076][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   23.417078][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.417081][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.417083][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   23.417085][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   23.417087][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.417088][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.417090][    C0]  handle_softirqs (kernel/softirq.c:645)
[   23.417091][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.417093][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   23.417095][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   23.417096][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   23.417098][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   23.417099][    C0]  </IRQ>
[   23.417100][    C0]  <TASK>
[   23.417100][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   23.417102][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   23.417103][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   23.417105][    C0] 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
[   23.417106][    C0] RSP: 0018:ffffffffaa407cf8 EFLAGS: 00000296
[   23.417108][    C0] RAX: 0000000000076369 RBX: ffffffffaa41c600 RCX: ffffffffa74f0307
[   23.417108][    C0] RDX: ffffffffaa41c600 RSI: ffffffffaa238b01 RDI: ffffffffa9c8d8e0
[   23.417109][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   23.417110][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5480fa2
[   23.417111][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   23.417112][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   23.417114][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.417116][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   23.417118][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   23.417119][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   23.417121][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   23.417122][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   23.417124][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.417126][    C0]  do_idle (kernel/sched/idle.c:355)
[   23.417127][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   23.417129][    C0]  rest_init (init/main.c:727)
[   23.417131][    C0]  ? __cpuidle_text_end (??:?)
[   23.417133][    C0]  ? rest_init (init/main.c:727)
[   23.417135][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   23.417137][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   23.417139][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   23.417141][    C0]  start_kernel (init/main.c:1185)
[   23.417142][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   23.417144][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   23.417146][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.197727][  T258] softirqs last disabled at (0): 0x0
| [   27.197729][  T258] Preemption disabled at:
| [   27.197730][  T258] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.197741][  T258] Tainted: [W]=WARN
[   27.197742][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.197744][  T258] Call Trace:
[   27.197746][  T258]  <TASK>
[   27.197747][  T258]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.197752][  T258]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.197754][  T258]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.197758][  T258]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.197762][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197765][  T258]  __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))
[   27.197769][  T258]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.197771][  T258]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.197775][  T258]  ? 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)
[   27.197777][  T258]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.197779][  T258]  put_chars (drivers/char/virtio_console.c:1176)
[   27.197781][  T258]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   27.197783][  T258]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.197784][  T258]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.197787][  T258]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.197790][  T258]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.197791][  T258]  ? 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)
[   27.197793][  T258]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.197794][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197796][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197798][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.197800][  T258]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.197803][  T258]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.197805][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197806][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197808][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197810][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.197812][  T258]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.197813][  T258]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.197816][  T258]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.197818][  T258]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.197820][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.197822][  T258]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.197824][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197825][  T258]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.197827][  T258]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.197828][  T258]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   27.197830][  T258]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.197832][  T258]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.197834][  T258]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.197837][  T258]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.197840][  T258]  ? 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
[   27.197843][  T258]  _printk (kernel/printk/printk.c:2504)
[   27.197846][  T258]  ? snapshot_read.cold (user.c:?)
[   27.197849][  T258]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   27.197851][  T258] gact_init_module (net/sched/act_gact.c:180) act_gact
[   27.197853][  T258]  do_one_initcall (init/main.c:1357)
[   27.197855][  T258]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   27.197858][  T258]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   27.197861][  T258]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   27.197863][  T258]  do_init_module (kernel/module/main.c:3117)
[   27.197866][  T258]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   27.197869][  T258]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   27.197871][  T258]  load_module (kernel/module/main.c:3593)
[   27.197875][  T258]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   27.197877][  T258]  ? __ia32_sys_fsconfig (??:?)
[   27.197880][  T258]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   27.197883][  T258]  ? backing_file_read_iter (fs/backing-file.c:211)
[   27.197886][  T258]  init_module_from_file (kernel/module/main.c:3790)
[   27.197888][  T258]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   27.197890][  T258]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   27.197893][  T258]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.197895][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197897][  T258]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.197898][  T258]  ? 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)
[   27.197900][  T258]  idempotent_init_module (kernel/module/main.c:3802)
[   27.197902][  T258]  ? init_module_from_file (kernel/module/main.c:3791)
[   27.197905][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.197907][  T258]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.197911][  T258]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   27.197913][  T258]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.197915][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.197918][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.197921][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.197923][  T258] RIP: 0033:0x7fed28a5d37d
[   27.197926][  T258] 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
[   27.197928][  T258] RSP: 002b:00007ffc281141c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   27.197931][  T258] RAX: ffffffffffffffda RBX: 0000561807a8a810 RCX: 00007fed28a5d37d
[   27.197933][  T258] RDX: 0000000000000000 RSI: 00005617e7777ffd RDI: 0000000000000000
[   27.197934][  T258] RBP: 00007ffc28114260 R08: 0000000000000000 R09: 0000000000000000
[   27.197935][  T258] R10: 0000000000000000 R11: 0000000000000246 R12: 00005617e7777ffd
[   27.197935][  T258] R13: 0000561807a8a960 R14: 0000000000040000 R15: 0000000000000000
| [   28.370145][  T267] softirqs last disabled at (0): 0x0
| [   28.370147][  T267] Preemption disabled at:
| [   28.370148][  T267] 0x0
| [   28.370156][  T267] Tainted: [W]=WARN
[   28.370157][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.370158][  T267] Call Trace:
[   28.370160][  T267]  <TASK>
[   28.370161][  T267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.370167][  T267]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.370170][  T267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.370174][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370178][  T267]  __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))
[   28.370181][  T267]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.370184][  T267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.370188][  T267]  ? 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)
[   28.370190][  T267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.370192][  T267]  put_chars (drivers/char/virtio_console.c:1176)
[   28.370194][  T267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.370195][  T267]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   28.370199][  T267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.370202][  T267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.370204][  T267]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.370206][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370207][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.370209][  T267]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.370212][  T267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.370214][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370215][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370217][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370218][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.370220][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.370222][  T267]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.370224][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.370227][  T267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.370228][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.370230][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.370231][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370233][  T267]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.370234][  T267]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.370236][  T267]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   28.370238][  T267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.370240][  T267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.370241][  T267]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.370244][  T267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.370246][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370247][  T267]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.370250][  T267]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   28.370251][  T267]  _printk (kernel/printk/printk.c:2504)
[   28.370256][  T267]  ? snapshot_read.cold (user.c:?)
[   28.370258][  T267]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   28.370263][  T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   28.370275][  T267] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   28.370283][  T267] br_device_event (net/bridge/br.c:111) bridge
[   28.370292][  T267]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   28.370295][  T267]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   28.370297][  T267]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   28.370300][  T267]  notifier_call_chain (kernel/notifier.c:85)
[   28.370303][  T267]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   28.370307][  T267]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.370308][  T267]  ? netif_change_name (net/core/dev.c:1517)
[   28.370310][  T267]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   28.370312][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   28.370315][  T267]  ? write_profile (profile.c:?)
[   28.370317][  T267]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.370320][  T267]  netif_change_flags (net/core/dev.c:9882)
[   28.370322][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   28.370325][  T267]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.370326][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.370327][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370329][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.370333][  T267]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.370335][  T267]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.370337][  T267]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.370338][  T267]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.370340][  T267]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   28.370341][  T267]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   28.370342][  T267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.370343][  T267]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.370346][  T267]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.370347][  T267]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.370349][  T267]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.370351][  T267]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.370352][  T267]  ? __sys_sendmsg (net/socket.c:2799)
[   28.370354][  T267]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.370356][  T267]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.370358][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370360][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.370361][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370363][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370365][  T267]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.370367][  T267]  ? __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)
[   28.370369][  T267]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.370370][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.370372][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.370374][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.370376][  T267]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.370378][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370380][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.370381][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.370382][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370384][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   28.370387][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.370389][  T267]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.370390][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   28.370391][  T267]  ? write_profile (profile.c:?)
[   28.370392][  T267]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.370394][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370395][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370397][  T267]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.370401][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.370402][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370404][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.370405][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.370407][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.370408][  T267]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.370409][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.370411][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.370413][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.370414][  T267]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.370415][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.370417][  T267]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   28.370419][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370421][  T267]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.370423][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.370425][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.370426][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370428][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370429][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.370431][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.370433][  T267]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.370435][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370436][  T267]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.370438][  T267]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.370440][  T267]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.370441][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.370443][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   28.370444][  T267]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.370446][  T267]  ___sys_sendmsg (net/socket.c:2767)
[   28.370448][  T267]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.370453][  T267]  __sys_sendmsg (net/socket.c:2799)
[   28.370455][  T267]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.370457][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.370459][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.370461][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.370463][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.370465][  T267] RIP: 0033:0x7f4bb3e5954e
[   28.370467][  T267] 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
[   28.370469][  T267] RSP: 002b:00007ffcf73e3d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.370472][  T267] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4bb3e5954e
[   28.370474][  T267] RDX: 0000000000000000 RSI: 00007ffcf73e3e20 RDI: 0000000000000005
[   28.370475][  T267] RBP: 00007ffcf73e3d80 R08: 0000000000000000 R09: 0000000000000000
[   28.370475][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915776
[   28.370476][  T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf73e44e0
| [   34.690208][  T291] softirqs last disabled at (0): 0x0
| [   34.690210][  T291] Preemption disabled at:
| [   34.690211][  T291] 0x0
| [   34.690223][  T291] Tainted: [W]=WARN
[   34.690224][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.690226][  T291] Call Trace:
[   34.690228][  T291]  <TASK>
[   34.690230][  T291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.690237][  T291]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.690242][  T291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.690246][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690254][  T291]  __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))
[   34.690259][  T291]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.690262][  T291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.690267][  T291]  ? 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)
[   34.690270][  T291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.690273][  T291]  put_chars (drivers/char/virtio_console.c:1176)
[   34.690276][  T291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.690278][  T291]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   34.690283][  T291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.690288][  T291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.690291][  T291]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.690293][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690296][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.690299][  T291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.690303][  T291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.690306][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690308][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690310][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690313][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.690316][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   34.690318][  T291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.690322][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.690326][  T291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.690328][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.690330][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.690333][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690335][  T291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.690337][  T291]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.690340][  T291]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   34.690343][  T291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.690345][  T291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.690348][  T291]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.690352][  T291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.690354][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690357][  T291]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.690360][  T291]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   34.690363][  T291]  _printk (kernel/printk/printk.c:2504)
[   34.690367][  T291]  ? snapshot_read.cold (user.c:?)
[   34.690370][  T291]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   34.690376][  T291] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   34.690394][  T291] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   34.690408][  T291] br_device_event (net/bridge/br.c:111) bridge
[   34.690421][  T291]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   34.690426][  T291]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   34.690429][  T291]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   34.690434][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   34.690438][  T291]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   34.690443][  T291]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.690445][  T291]  ? netif_change_name (net/core/dev.c:1517)
[   34.690448][  T291]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   34.690451][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   34.690454][  T291]  ? write_profile (profile.c:?)
[   34.690457][  T291]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.690461][  T291]  netif_change_flags (net/core/dev.c:9882)
[   34.690464][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   34.690468][  T291]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.690470][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.690472][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690475][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   34.690480][  T291]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.690484][  T291]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.690486][  T291]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.690488][  T291]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.690490][  T291]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   34.690492][  T291]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   34.690494][  T291]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.690496][  T291]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.690500][  T291]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.690502][  T291]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.690504][  T291]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.690507][  T291]  ? ___sys_sendmsg (net/socket.c:2767)
[   34.690509][  T291]  ? __sys_sendmsg (net/socket.c:2799)
[   34.690511][  T291]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.690514][  T291]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.690518][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690520][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.690522][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690525][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690527][  T291]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.690531][  T291]  ? __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)
[   34.690533][  T291]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.690535][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.690538][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.690542][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.690545][  T291]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.690548][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690551][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.690553][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.690555][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690558][  T291]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   34.690562][  T291]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   34.690564][  T291]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   34.690567][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   34.690568][  T291]  ? write_profile (profile.c:?)
[   34.690570][  T291]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.690572][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690575][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690577][  T291]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   34.690581][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.690583][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690586][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.690588][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.690591][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.690593][  T291]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   34.690595][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   34.690599][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.690601][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.690603][  T291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.690606][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.690608][  T291]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   34.690612][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690614][  T291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.690617][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.690620][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.690623][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690625][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690628][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.690630][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.690633][  T291]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.690636][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690639][  T291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.690642][  T291]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.690644][  T291]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.690647][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.690649][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   34.690651][  T291]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   34.690655][  T291]  ___sys_sendmsg (net/socket.c:2767)
[   34.690658][  T291]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.690666][  T291]  __sys_sendmsg (net/socket.c:2799)
[   34.690669][  T291]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.690673][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.690676][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.690678][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.690681][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.690684][  T291] RIP: 0033:0x7f598eb8754e
[   34.690687][  T291] 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
[   34.690689][  T291] RSP: 002b:00007ffde27062d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.690694][  T291] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f598eb8754e
[   34.690696][  T291] RDX: 0000000000000000 RSI: 00007ffde2706380 RDI: 0000000000000005
[   34.690697][  T291] RBP: 00007ffde27062e0 R08: 0000000000000000 R09: 0000000000000000
[   34.690698][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91577d


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