======================================
| [   10.535584][  T186] softirqs last disabled at (36335): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.535586][  T186] Preemption disabled at:
| [   10.535586][  T186] 0x0
| [   10.535596][  T186] Tainted: [W]=WARN
[   10.535597][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.535598][  T186] Call Trace:
[   10.535600][  T186]  <TASK>
[   10.535601][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.535607][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.535612][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.535616][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.535621][  T186]  __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))
[   10.535623][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.535629][  T186]  ? 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)
[   10.535631][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.535634][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   10.535637][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.535639][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.535644][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.535648][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.535655][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.535657][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.535659][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.535663][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.535667][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.535669][  T186]  ? 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))
[   10.535672][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.535674][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.535678][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.535682][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.535684][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.535689][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.535692][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.535694][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.535696][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.535700][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.535701][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.535705][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.535708][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.535712][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.535715][  T186]  _printk (kernel/printk/printk.c:2504)
[   10.535719][  T186]  ? snapshot_read.cold (user.c:?)
[   10.535722][  T186]  ? 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)
[   10.535724][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.535728][  T186]  ? 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)
[   10.535731][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.535735][  T186]  ? exit_notify (kernel/exit.c:780)
[   10.535737][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.535739][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.535743][  T186]  do_group_exit (kernel/exit.c:1151)
[   10.535746][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.535748][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.535750][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.535753][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.535756][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.535758][  T186] RIP: 0033:0x7fb80890f1b8
[   10.535760][  T186] Code: Unable to access opcode bytes at 0x7fb80890f18e.

Code starting with the faulting instruction
===========================================
[   10.535762][  T186] RSP: 002b:00007ffe02e359a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.535764][  T186] RAX: ffffffffffffffda RBX: 00007fb808a3ff88 RCX: 00007fb80890f1b8
[   10.535765][  T186] RDX: 00007fb808659fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.535766][  T186] RBP: 00007ffe02e35a00 R08: 0000000000000000 R09: 0000000000008010
[   10.535767][  T186] R10: 00007ffe02e357c0 R11: 0000000000000246 R12: 0000000000000001
[   10.535768][  T186] R13: 0000000000000000 R14: 00007fb808a3e680 R15: 00007fb808a3ffa0
| [   12.416570][  T256] softirqs last disabled at (18498): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.416573][  T256] Preemption disabled at:
| [   12.416573][  T256] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.416583][  T256] Tainted: [W]=WARN
[   12.416583][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.416585][  T256] Call Trace:
[   12.416587][  T256]  <TASK>
[   12.416589][  T256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.416595][  T256]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.416597][  T256]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.416602][  T256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.416608][  T256]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.416615][  T256]  __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))
[   12.416619][  T256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.416625][  T256]  ? 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)
[   12.416628][  T256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.416631][  T256]  put_chars (drivers/char/virtio_console.c:1176)
[   12.416634][  T256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.416639][  T256]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.416642][  T256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.416645][  T256]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.416647][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416649][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416653][  T256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.416655][  T256]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.416658][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416662][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.416666][  T256]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.416670][  T256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.416672][  T256]  ? 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))
[   12.416675][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416677][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.416681][  T256]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.416685][  T256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.416687][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416692][  T256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.416695][  T256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.416697][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416699][  T256]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.416703][  T256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.416705][  T256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.416708][  T256]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.416712][  T256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.416715][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.416716][  T256]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.416721][  T256]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.416724][  T256]  _printk (kernel/printk/printk.c:2504)
[   12.416728][  T256]  ? snapshot_read.cold (user.c:?)
[   12.416732][  T256]  ? br_multicast_flood (??:?) bridge
[   12.416745][  T256]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.416747][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.416748][  T256]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.416753][  T256] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.416763][  T256] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.416771][  T256] new_nbp (net/bridge/br_if.c:449) bridge
[   12.416780][  T256] br_add_if (net/bridge/br_if.c:592) bridge
[   12.416787][  T256]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.416792][  T256]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.416795][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   12.416798][  T256]  do_set_master (net/core/rtnetlink.c:3071)
[   12.416803][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.416806][  T256]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.416810][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.416811][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.416813][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.416817][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.416820][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.416822][  T256]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.416824][  T256]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.416827][  T256]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.416829][  T256]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.416832][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416833][  T256]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.416836][  T256]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.416841][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.416843][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.416845][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416848][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.416849][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416851][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416853][  T256]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.416857][  T256]  ? __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)
[   12.416859][  T256]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.416861][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.416865][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.416866][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.416871][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.416876][  T256]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.416882][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.416884][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416888][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.416890][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.416892][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.416894][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.416898][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.416900][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.416903][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.416904][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416909][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.416911][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.416914][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.416916][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.416919][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.416925][  T256]  ? 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))
[   12.416927][  T256]  ? 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))
[   12.416931][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.416935][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.416937][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416942][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.416945][  T256]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.416949][  T256]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.416955][  T256]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.416957][  T256]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.416959][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.416961][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   12.416969][  T256]  ___sys_sendmsg (net/socket.c:2767)
[   12.416972][  T256]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.416988][  T256]  __sys_sendmsg (net/socket.c:2799)
[   12.416993][  T256]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.416999][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.417003][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.417005][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.417008][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.417011][  T256] RIP: 0033:0x7f4ab767354e
[   12.417014][  T256] 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
[   12.417016][  T256] RSP: 002b:00007ffde0aa6460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.417019][  T256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4ab767354e
[   12.417021][  T256] RDX: 0000000000000000 RSI: 00007ffde0aa6510 RDI: 0000000000000005
[   12.417022][  T256] RBP: 00007ffde0aa6470 R08: 0000000000000000 R09: 0000000000000000
[   12.417022][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91568c
[   12.417023][  T256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde0aa6bd0
| [   18.924137][  T317] softirqs last disabled at (20217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.924140][  T317] Preemption disabled at:
| [   18.924141][  T317] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.924153][  T317] Tainted: [W]=WARN
[   18.924154][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.924156][  T317] Call Trace:
[   18.924158][  T317]  <TASK>
[   18.924160][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.924166][  T317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.924169][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.924175][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.924180][  T317]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.924187][  T317]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.924190][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.924197][  T317]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.924201][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.924205][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   18.924209][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.924211][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.924217][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.924220][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.924227][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.924230][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.924238][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.924242][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.924249][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.924255][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.924257][  T317]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.924261][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.924264][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.924270][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.924276][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.924278][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.924286][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.924290][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.924292][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.924296][  T317]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.924301][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.924303][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.924308][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.924313][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.924317][  T317]  ? netdev_run_todo (net/core/dev.c:11776)
[   18.924322][  T317]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   18.924326][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.924331][  T317]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   18.924335][  T317]  _printk (kernel/printk/printk.c:2504)
[   18.924340][  T317]  ? snapshot_read.cold (user.c:?)
[   18.924342][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.924346][  T317]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   18.924349][  T317]  ? __up_write (kernel/locking/rwsem.c:1415)
[   18.924351][  T317]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   18.924356][  T317]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   18.924360][  T317] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   18.924364][  T317]  do_one_initcall (init/main.c:1357)
[   18.924368][  T317]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.924375][  T317]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.924378][  T317]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.924385][  T317]  do_init_module (kernel/module/main.c:3117)
[   18.924391][  T317]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.924396][  T317]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.924400][  T317]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.924406][  T317]  load_module (kernel/module/main.c:3593)
[   18.924417][  T317]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.924423][  T317]  ? __ia32_sys_fsconfig (??:?)
[   18.924426][  T317]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   18.924432][  T317]  ? backing_file_read_iter (fs/backing-file.c:211)
[   18.924435][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.924441][  T317]  init_module_from_file (kernel/module/main.c:3790)
[   18.924445][  T317]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.924458][  T317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.924463][  T317]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.924467][  T317]  idempotent_init_module (kernel/module/main.c:3802)
[   18.924472][  T317]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.924482][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.924485][  T317]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.924499][  T317]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.924501][  T317]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.924506][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.924509][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.924512][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.924515][  T317] RIP: 0033:0x7f44dfec337d
[   18.924519][  T317] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.924522][  T317] RSP: 002b:00007ffd9cfe98c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.924525][  T317] RAX: ffffffffffffffda RBX: 000056216f6af810 RCX: 00007f44dfec337d
[   18.924527][  T317] RDX: 0000000000000000 RSI: 00005621355c6ffd RDI: 0000000000000000
[   18.924528][  T317] RBP: 00007ffd9cfe9960 R08: 0000000000000000 R09: 0000000000000000
[   18.924530][  T317] R10: 0000000000000000 R11: 0000000000000246 R12: 00005621355c6ffd
[   18.924531][  T317] R13: 000056216f6af960 R14: 0000000000040000 R15: 0000000000000000
| [   27.512095][    C3] softirqs last disabled at (783613): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.512097][    C3] Preemption disabled at:
| [   27.512098][    C3] 0x0
| [   27.512109][    C3] Tainted: [W]=WARN
[   27.512110][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.512112][    C3] Call Trace:
[   27.512114][    C3]  <IRQ>
[   27.512116][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.512121][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.512125][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.512127][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.512130][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.512133][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512136][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.512140][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.512142][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.512145][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.512146][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.512148][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   27.512150][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.512152][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.512155][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.512159][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.512160][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512162][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.512164][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.512166][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.512168][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512170][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512172][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.512173][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.512175][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.512177][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.512180][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.512181][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.512183][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.512184][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512186][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.512187][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.512189][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.512191][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.512193][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.512195][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.512197][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.512209][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.512210][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.512217][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.512222][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.512226][    C3]  _printk (kernel/printk/printk.c:2504)
[   27.512229][    C3]  ? snapshot_read.cold (user.c:?)
[   27.512230][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.512235][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.512237][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.512238][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.512240][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.512243][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.512245][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.512247][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.512249][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.512250][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.512257][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512258][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.512260][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.512266][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.512268][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.512274][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.512280][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.512286][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.512289][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.512291][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.512294][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.512296][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.512298][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512300][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.512301][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.512308][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.512310][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.512312][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.512315][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.512317][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.512318][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.512321][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512322][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.512324][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.512326][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.512328][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.512329][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.512331][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.512333][    C3]  </IRQ>
[   27.512334][    C3]  <TASK>
[   27.512334][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.512336][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.512339][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.512341][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.512343][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.512346][    C3] RAX: 00000000000bf4fb RBX: ff11000001c88040 RCX: ffffffffb5cf0307
[   27.512348][    C3] RDX: ff11000001c88040 RSI: ffffffffb8a38b01 RDI: ffffffffb848d8e0
[   27.512348][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.512349][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.512350][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.512351][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.512354][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.512356][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.512358][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.512360][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.512361][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.512364][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.512366][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.512367][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.512368][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.512370][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.512372][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.574550][    C3]
| [   27.574623][    C3]
| [   27.574623][    C3] stack backtrace:
| [   27.574842][    C3] Tainted: [W]=WARN
[   27.574843][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.574844][    C3] Call Trace:
[   27.574845][    C3]  <IRQ>
[   27.574847][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.574851][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.574854][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.574856][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.574858][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.574860][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.574862][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.574864][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.574871][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.574874][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.574876][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.574882][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.574884][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.574890][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.574897][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.574903][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.574906][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.574907][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.574911][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.574913][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.574915][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.574917][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.574919][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.574926][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.574928][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.574931][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.574933][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.574935][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.574937][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.574939][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.574941][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.574943][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.574944][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.574946][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.574948][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.574949][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.574951][    C3]  </IRQ>
[   27.574951][    C3]  <TASK>
[   27.574952][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.574954][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.574955][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.574958][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.574959][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.574961][    C3] RAX: 00000000000bf4fb RBX: ff11000001c88040 RCX: ffffffffb5cf0307
[   27.574963][    C3] RDX: ff11000001c88040 RSI: ffffffffb8a38b01 RDI: ffffffffb848d8e0
[   27.574963][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.574964][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.574965][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.574967][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.574969][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.574971][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.574973][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.574975][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.574976][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.574978][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.574980][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.574982][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.574983][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.574985][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.574986][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   45.952931][  T505] softirqs last disabled at (0): 0x0
| [   45.952933][  T505] Preemption disabled at:
| [   45.952934][  T505] 0x0
| [   45.952943][  T505] Tainted: [W]=WARN
[   45.952944][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.952946][  T505] Call Trace:
[   45.952947][  T505]  <TASK>
[   45.952949][  T505]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.952954][  T505]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.952958][  T505]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.952962][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.952966][  T505]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.952969][  T505]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.952972][  T505]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.952976][  T505]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.952978][  T505]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.952980][  T505]  put_chars (drivers/char/virtio_console.c:1176)
[   45.952982][  T505]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.952983][  T505]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   45.952987][  T505]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.952993][  T505]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.952995][  T505]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.952996][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.952998][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.953000][  T505]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.953003][  T505]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.953005][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953006][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953008][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953010][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.953012][  T505]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.953013][  T505]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.953016][  T505]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.953019][  T505]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.953020][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.953022][  T505]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.953023][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953025][  T505]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.953026][  T505]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.953028][  T505]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   45.953030][  T505]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.953032][  T505]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.953034][  T505]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.953036][  T505]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.953038][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953040][  T505]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.953043][  T505]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   45.953044][  T505]  _printk (kernel/printk/printk.c:2504)
[   45.953047][  T505]  ? snapshot_read.cold (user.c:?)
[   45.953049][  T505]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   45.953054][  T505] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   45.953066][  T505] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   45.953074][  T505] br_device_event (net/bridge/br.c:111) bridge
[   45.953083][  T505]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   45.953086][  T505]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   45.953088][  T505]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   45.953092][  T505]  notifier_call_chain (kernel/notifier.c:85)
[   45.953095][  T505]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   45.953098][  T505]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.953100][  T505]  ? netif_change_name (net/core/dev.c:1517)
[   45.953102][  T505]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   45.953104][  T505]  ? __kernel_text_address (kernel/extable.c:79)
[   45.953106][  T505]  ? write_profile (profile.c:?)
[   45.953109][  T505]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.953112][  T505]  netif_change_flags (net/core/dev.c:9882)
[   45.953114][  T505]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   45.953117][  T505]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.953119][  T505]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.953120][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953122][  T505]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.953125][  T505]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.953128][  T505]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.953130][  T505]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.953131][  T505]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.953133][  T505]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   45.953134][  T505]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   45.953136][  T505]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.953137][  T505]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.953139][  T505]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.953141][  T505]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.953142][  T505]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.953145][  T505]  ? ___sys_sendmsg (net/socket.c:2767)
[   45.953146][  T505]  ? __sys_sendmsg (net/socket.c:2799)
[   45.953148][  T505]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.953150][  T505]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.953152][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953154][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.953155][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953157][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953159][  T505]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.953162][  T505]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   45.953163][  T505]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.953164][  T505]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.953166][  T505]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.953168][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.953170][  T505]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.953172][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953174][  T505]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.953175][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.953176][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953178][  T505]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   45.953182][  T505]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.953183][  T505]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.953185][  T505]  ? __kernel_text_address (kernel/extable.c:79)
[   45.953186][  T505]  ? write_profile (profile.c:?)
[   45.953187][  T505]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.953189][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953190][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953192][  T505]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   45.953195][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.953197][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953199][  T505]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.953200][  T505]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.953202][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.953203][  T505]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.953204][  T505]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.953207][  T505]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.953208][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.953209][  T505]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.953211][  T505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.953212][  T505]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   45.953215][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953216][  T505]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.953218][  T505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.953220][  T505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.953222][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953224][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953225][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.953227][  T505]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.953229][  T505]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.953231][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953233][  T505]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.953234][  T505]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.953236][  T505]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.953238][  T505]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.953239][  T505]  ? move_addr_to_kernel (net/socket.c:258)
[   45.953240][  T505]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.953243][  T505]  ___sys_sendmsg (net/socket.c:2767)
[   45.953245][  T505]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.953250][  T505]  __sys_sendmsg (net/socket.c:2799)
[   45.953252][  T505]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.953254][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.953256][  T505]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.953258][  T505]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.953260][  T505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.953261][  T505] RIP: 0033:0x7fa41b4bb54e
[   45.953263][  T505] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.953265][  T505] RSP: 002b:00007ffda10ca6d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.953269][  T505] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa41b4bb54e
[   45.953270][  T505] RDX: 0000000000000000 RSI: 00007ffda10ca780 RDI: 0000000000000005
[   45.953271][  T505] RBP: 00007ffda10ca6e0 R08: 0000000000000000 R09: 0000000000000000
[   45.953272][  T505] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156ae


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