======================================
| [   10.853947][  T187] softirqs last disabled at (25585): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.853949][  T187] Preemption disabled at:
| [   10.853950][  T187] 0x0
| [   10.853960][  T187] Tainted: [W]=WARN
[   10.853961][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.853963][  T187] Call Trace:
[   10.853964][  T187]  <TASK>
[   10.853966][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.853972][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.853984][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.853988][  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)
[   10.853993][  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))
[   10.853996][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.854002][  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)
[   10.854005][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.854008][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.854011][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.854012][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.854017][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.854023][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.854029][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.854031][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.854034][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.854038][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.854042][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.854044][  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))
[   10.854047][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.854050][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.854054][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.854059][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.854060][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.854066][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.854069][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.854071][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.854073][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.854077][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.854079][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.854082][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.854086][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.854090][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.854094][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.854098][  T187]  ? snapshot_read.cold (user.c:?)
[   10.854101][  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)
[   10.854103][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.854107][  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)
[   10.854110][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.854114][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.854116][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.854119][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.854123][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.854126][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.854128][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.854130][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.854133][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.854137][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.854139][  T187] RIP: 0033:0x7fb9ca83e1b8
[   10.854141][  T187] Code: Unable to access opcode bytes at 0x7fb9ca83e18e.

Code starting with the faulting instruction
===========================================
[   10.854143][  T187] RSP: 002b:00007ffe6e1658b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.854145][  T187] RAX: ffffffffffffffda RBX: 00007fb9ca96ef88 RCX: 00007fb9ca83e1b8
[   10.854147][  T187] RDX: 00007fb9ca588fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.854148][  T187] RBP: 00007ffe6e165910 R08: 0000000000000000 R09: 0000000000008010
[   10.854149][  T187] R10: 00007ffe6e1656d0 R11: 0000000000000246 R12: 0000000000000001
[   10.854150][  T187] R13: 0000000000000000 R14: 00007fb9ca96d680 R15: 00007fb9ca96efa0
| [   12.585447][  T248] softirqs last disabled at (20650): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.585450][  T248] Preemption disabled at:
| [   12.585450][  T248] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.585460][  T248] Tainted: [W]=WARN
[   12.585460][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.585462][  T248] Call Trace:
[   12.585464][  T248]  <TASK>
[   12.585468][  T248]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.585474][  T248]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.585476][  T248]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.585481][  T248]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.585486][  T248]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.585491][  T248]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.585494][  T248]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.585500][  T248]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.585503][  T248]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.585506][  T248]  put_chars (drivers/char/virtio_console.c:1176)
[   12.585509][  T248]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.585514][  T248]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.585517][  T248]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.585520][  T248]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.585522][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.585524][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.585528][  T248]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.585530][  T248]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.585534][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.585538][  T248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.585542][  T248]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.585546][  T248]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.585548][  T248]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.585552][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.585555][  T248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.585559][  T248]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.585563][  T248]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.585565][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.585571][  T248]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.585574][  T248]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.585576][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.585578][  T248]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.585582][  T248]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.585584][  T248]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.585588][  T248]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.585592][  T248]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.585595][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.585597][  T248]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.585602][  T248]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.585606][  T248]  _printk (kernel/printk/printk.c:2504)
[   12.585609][  T248]  ? snapshot_read.cold (user.c:?)
[   12.585614][  T248]  ? br_multicast_flood (??:?) bridge
[   12.585627][  T248]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.585628][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.585630][  T248]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.585634][  T248] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.585645][  T248] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.585654][  T248] new_nbp (net/bridge/br_if.c:449) bridge
[   12.585664][  T248] br_add_if (net/bridge/br_if.c:592) bridge
[   12.585671][  T248]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.585675][  T248]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.585679][  T248]  ? __kernel_text_address (kernel/extable.c:79)
[   12.585682][  T248]  do_set_master (net/core/rtnetlink.c:3071)
[   12.585687][  T248]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.585691][  T248]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.585694][  T248]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.585695][  T248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.585698][  T248]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.585701][  T248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.585704][  T248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.585706][  T248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.585709][  T248]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.585712][  T248]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.585713][  T248]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.585716][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.585718][  T248]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.585721][  T248]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.585726][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.585728][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.585731][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.585733][  T248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.585735][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.585737][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.585739][  T248]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.585743][  T248]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.585745][  T248]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.585747][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.585751][  T248]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.585752][  T248]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.585757][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.585763][  T248]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.585768][  T248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.585770][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.585775][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.585777][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.585779][  T248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.585781][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.585785][  T248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.585787][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.585791][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.585792][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.585797][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.585798][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.585802][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.585804][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.585807][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.585813][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.585815][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.585819][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.585823][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.585826][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.585830][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.585834][  T248]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.585838][  T248]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.585843][  T248]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.585845][  T248]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.585848][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.585850][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   12.585857][  T248]  ___sys_sendmsg (net/socket.c:2767)
[   12.585860][  T248]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.585876][  T248]  __sys_sendmsg (net/socket.c:2799)
[   12.585879][  T248]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.585886][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.585889][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.585892][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.585895][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.585897][  T248] RIP: 0033:0x7f8146ee854e
[   12.585901][  T248] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.585903][  T248] RSP: 002b:00007ffcf0b55210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.585905][  T248] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8146ee854e
[   12.585907][  T248] RDX: 0000000000000000 RSI: 00007ffcf0b552c0 RDI: 0000000000000005
[   12.585908][  T248] RBP: 00007ffcf0b55220 R08: 0000000000000000 R09: 0000000000000000
[   12.585909][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b2d
[   12.585909][  T248] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf0b55980
| [   28.032620][    C0] softirqs last disabled at (601871): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.032623][    C0] Preemption disabled at:
| [   28.032624][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.032637][    C0] Tainted: [W]=WARN
[   28.032638][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.032641][    C0] Call Trace:
[   28.032643][    C0]  <IRQ>
[   28.032645][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.032652][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.032654][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.032658][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.032663][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.032667][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.032671][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032674][    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))
[   28.032678][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.032682][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.032687][    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)
[   28.032689][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.032692][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.032695][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.032698][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.032703][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.032708][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.032710][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032713][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.032716][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.032720][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.032722][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032725][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032727][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.032730][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.032733][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.032736][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.032741][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.032743][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.032745][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.032748][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032750][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.032753][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.032756][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.032759][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.032762][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.032765][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.032768][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032770][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.032773][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.032779][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.032783][    C0]  ? snapshot_read.cold (user.c:?)
[   28.032785][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.032791][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.032794][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.032796][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.032800][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.032805][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.032808][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.032811][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.032814][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.032817][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032836][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032839][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.032842][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.032854][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.032857][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032870][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.032883][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.032895][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.032900][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.032902][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.032907][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.032910][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.032912][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032916][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.032918][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.032932][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.032934][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.032939][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.032943][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.032946][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.032949][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.032952][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.032954][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.032957][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.032960][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.032963][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.032966][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.032968][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.032972][    C0]  </IRQ>
[   28.032973][    C0]  <TASK>
[   28.032974][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.032976][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.032980][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.032984][    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
[   28.032986][    C0] RSP: 0018:ffffffffb2207cf8 EFLAGS: 00000296
[   28.032990][    C0] RAX: 0000000000092f0d RBX: ffffffffb221c600 RCX: ffffffffaf2f0307
[   28.032992][    C0] RDX: ffffffffb221c600 RSI: ffffffffb2038b01 RDI: ffffffffb1a8d8e0
[   28.032993][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.032995][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6440fa2
[   28.032996][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.032999][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.033003][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.033006][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.033008][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.033011][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.033013][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.033016][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.033019][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.033022][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.033025][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.033027][    C0]  rest_init (init/main.c:727)
[   28.033030][    C0]  ? __cpuidle_text_end (??:?)
[   28.033034][    C0]  ? rest_init (init/main.c:727)
[   28.033037][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.033042][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.033045][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.033049][    C0]  start_kernel (init/main.c:1185)
[   28.033052][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.033055][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.033058][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.104791][    C0]
| [   28.104922][    C0]
| [   28.104922][    C0] stack backtrace:
| [   28.105121][    C0] Tainted: [W]=WARN
[   28.105122][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.105124][    C0] Call Trace:
[   28.105125][    C0]  <IRQ>
[   28.105127][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.105132][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.105135][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.105139][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.105141][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.105142][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.105145][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.105146][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.105154][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.105157][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.105159][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.105166][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.105168][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.105175][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.105181][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.105188][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.105190][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.105192][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.105196][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.105198][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.105199][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.105202][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.105203][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.105210][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.105212][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.105215][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.105217][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.105219][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.105221][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.105224][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.105225][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.105227][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.105229][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.105231][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.105232][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.105234][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.105236][    C0]  </IRQ>
[   28.105236][    C0]  <TASK>
[   28.105237][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.105239][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.105240][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.105243][    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
[   28.105245][    C0] RSP: 0018:ffffffffb2207cf8 EFLAGS: 00000296
[   28.105248][    C0] RAX: 0000000000092f0d RBX: ffffffffb221c600 RCX: ffffffffaf2f0307
[   28.105250][    C0] RDX: ffffffffb221c600 RSI: ffffffffb2038b01 RDI: ffffffffb1a8d8e0
[   28.105250][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.105251][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6440fa2
[   28.105252][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.105253][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.105256][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.105257][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.105259][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.105261][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.105262][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.105264][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.105266][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.105268][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.105270][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.105271][    C0]  rest_init (init/main.c:727)
[   28.105273][    C0]  ? __cpuidle_text_end (??:?)
[   28.105276][    C0]  ? rest_init (init/main.c:727)
[   28.105278][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.105282][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.105284][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.105287][    C0]  start_kernel (init/main.c:1185)
[   28.105288][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.105290][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.105292][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   59.418392][  T534] softirqs last disabled at (0): 0x0
| [   59.418394][  T534] Preemption disabled at:
| [   59.418395][  T534] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.418406][  T534] Tainted: [W]=WARN
[   59.418407][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.418408][  T534] Call Trace:
[   59.418410][  T534]  <TASK>
[   59.418411][  T534]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.418416][  T534]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.418418][  T534]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.418422][  T534]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   59.418424][  T534]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.418427][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418430][  T534]  __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))
[   59.418434][  T534]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.418437][  T534]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.418441][  T534]  ? 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)
[   59.418442][  T534]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.418444][  T534]  put_chars (drivers/char/virtio_console.c:1176)
[   59.418446][  T534]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.418448][  T534]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   59.418450][  T534]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.418454][  T534]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.418455][  T534]  ? vsnprintf (lib/vsprintf.c:2900)
[   59.418458][  T534]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.418459][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418461][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418464][  T534]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.418474][  T534]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.418476][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418478][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418480][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418482][  T534]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.418484][  T534]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   59.418485][  T534]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.418488][  T534]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.418491][  T534]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.418492][  T534]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.418494][  T534]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.418496][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418497][  T534]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.418499][  T534]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.418500][  T534]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   59.418502][  T534]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.418504][  T534]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.418506][  T534]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.418509][  T534]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.418511][  T534]  ? netdev_run_todo (net/core/dev.c:11776)
[   59.418515][  T534]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   59.418517][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418519][  T534]  ? 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
[   59.418521][  T534]  _printk (kernel/printk/printk.c:2504)
[   59.418525][  T534]  ? snapshot_read.cold (user.c:?)
[   59.418526][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418528][  T534]  ? 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
[   59.418530][  T534]  ? __up_write (kernel/locking/rwsem.c:1415)
[   59.418531][  T534]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   59.418532][  T534]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.418534][  T534]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   59.418536][  T534] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   59.418538][  T534]  do_one_initcall (init/main.c:1357)
[   59.418540][  T534]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   59.418542][  T534]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   59.418545][  T534]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   59.418548][  T534]  do_init_module (kernel/module/main.c:3117)
[   59.418551][  T534]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   59.418553][  T534]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   59.418555][  T534]  load_module (kernel/module/main.c:3593)
[   59.418558][  T534]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   59.418561][  T534]  ? __ia32_sys_fsconfig (??:?)
[   59.418563][  T534]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   59.418567][  T534]  ? backing_file_read_iter (fs/backing-file.c:211)
[   59.418570][  T534]  init_module_from_file (kernel/module/main.c:3790)
[   59.418572][  T534]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   59.418574][  T534]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   59.418577][  T534]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.418578][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418580][  T534]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.418582][  T534]  ? 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)
[   59.418583][  T534]  idempotent_init_module (kernel/module/main.c:3802)
[   59.418586][  T534]  ? init_module_from_file (kernel/module/main.c:3791)
[   59.418589][  T534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.418590][  T534]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   59.418594][  T534]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   59.418596][  T534]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   59.418599][  T534]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.418601][  T534]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.418603][  T534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.418605][  T534] RIP: 0033:0x7f4c769ad37d
[   59.418607][  T534] 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
[   59.418609][  T534] RSP: 002b:00007fff89e93c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   59.418613][  T534] RAX: ffffffffffffffda RBX: 000055c11095f810 RCX: 00007f4c769ad37d
[   59.418614][  T534] RDX: 0000000000000000 RSI: 000055c101878ffd RDI: 0000000000000000
[   59.418615][  T534] RBP: 00007fff89e93cf0 R08: 0000000000000000 R09: 0000000000000000
[   59.418616][  T534] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c101878ffd
[   59.418617][  T534] R13: 000055c11095f960 R14: 0000000000040000 R15: 0000000000000000
| [   65.795692][  T575] softirqs last disabled at (0): 0x0
| [   65.795694][  T575] Preemption disabled at:
| [   65.795694][  T575] 0x0
| [   65.795703][  T575] Tainted: [W]=WARN
[   65.795704][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.795705][  T575] Call Trace:
[   65.795707][  T575]  <TASK>
[   65.795708][  T575]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.795714][  T575]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.795717][  T575]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.795721][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795725][  T575]  __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))
[   65.795729][  T575]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.795731][  T575]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.795735][  T575]  ? 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)
[   65.795737][  T575]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.795739][  T575]  put_chars (drivers/char/virtio_console.c:1176)
[   65.795741][  T575]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.795743][  T575]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   65.795746][  T575]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.795750][  T575]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.795752][  T575]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.795753][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795755][  T575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.795757][  T575]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.795760][  T575]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.795762][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795763][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795765][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795767][  T575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.795769][  T575]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   65.795770][  T575]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.795773][  T575]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.795776][  T575]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.795777][  T575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.795779][  T575]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.795781][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795782][  T575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.795784][  T575]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.795785][  T575]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   65.795788][  T575]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.795790][  T575]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.795792][  T575]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.795794][  T575]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.795796][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795798][  T575]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.795800][  T575]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   65.795802][  T575]  _printk (kernel/printk/printk.c:2504)
[   65.795805][  T575]  ? snapshot_read.cold (user.c:?)
[   65.795807][  T575]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   65.795812][  T575] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   65.795825][  T575] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   65.795833][  T575] br_device_event (net/bridge/br.c:111) bridge
[   65.795842][  T575]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   65.795846][  T575]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   65.795848][  T575]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   65.795852][  T575]  notifier_call_chain (kernel/notifier.c:85)
[   65.795855][  T575]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   65.795859][  T575]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.795860][  T575]  ? netif_change_name (net/core/dev.c:1517)
[   65.795862][  T575]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   65.795864][  T575]  ? __kernel_text_address (kernel/extable.c:79)
[   65.795867][  T575]  ? write_profile (profile.c:?)
[   65.795869][  T575]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.795872][  T575]  netif_change_flags (net/core/dev.c:9882)
[   65.795874][  T575]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   65.795877][  T575]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.795879][  T575]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.795880][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795882][  T575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   65.795885][  T575]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.795888][  T575]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.795890][  T575]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.795891][  T575]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.795893][  T575]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   65.795894][  T575]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   65.795896][  T575]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.795897][  T575]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.795899][  T575]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.795901][  T575]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.795902][  T575]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.795905][  T575]  ? ___sys_sendmsg (net/socket.c:2767)
[   65.795906][  T575]  ? __sys_sendmsg (net/socket.c:2799)
[   65.795908][  T575]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.795910][  T575]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.795912][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795914][  T575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.795916][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795918][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795919][  T575]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.795922][  T575]  ? __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)
[   65.795924][  T575]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.795925][  T575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.795927][  T575]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.795929][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.795931][  T575]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.795933][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795935][  T575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.795936][  T575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.795938][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795940][  T575]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   65.795943][  T575]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.795945][  T575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.795946][  T575]  ? __kernel_text_address (kernel/extable.c:79)
[   65.795948][  T575]  ? write_profile (profile.c:?)
[   65.795949][  T575]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.795950][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795952][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795954][  T575]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   65.795957][  T575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.795959][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795961][  T575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.795962][  T575]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.795964][  T575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.795965][  T575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   65.795966][  T575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   65.795969][  T575]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.795971][  T575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.795972][  T575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.795973][  T575]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.795975][  T575]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   65.795977][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795979][  T575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.795981][  T575]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.795983][  T575]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.795985][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795986][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795988][  T575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.795990][  T575]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.795992][  T575]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.795994][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.795996][  T575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.795998][  T575]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.795999][  T575]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.796001][  T575]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   65.796003][  T575]  ? move_addr_to_kernel (net/socket.c:258)
[   65.796004][  T575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   65.796007][  T575]  ___sys_sendmsg (net/socket.c:2767)
[   65.796009][  T575]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.796014][  T575]  __sys_sendmsg (net/socket.c:2799)
[   65.796016][  T575]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.796019][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.796021][  T575]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.796022][  T575]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.796024][  T575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.796026][  T575] RIP: 0033:0x7f39c805054e
[   65.796028][  T575] 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
[   65.796030][  T575] RSP: 002b:00007fffff42acc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.796034][  T575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f39c805054e
[   65.796035][  T575] RDX: 0000000000000000 RSI: 00007fffff42ad70 RDI: 0000000000000005
[   65.796036][  T575] RBP: 00007fffff42acd0 R08: 0000000000000000 R09: 0000000000000000
[   65.796037][  T575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b63


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