======================================
| [   10.851672][  T187] softirqs last disabled at (32834): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.851675][  T187] Preemption disabled at:
| [   10.851675][  T187] 0x0
| [   10.851685][  T187] Tainted: [W]=WARN
[   10.851686][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.851688][  T187] Call Trace:
[   10.851690][  T187]  <TASK>
[   10.851691][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.851697][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.851702][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.851706][  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)
[   10.851712][  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))
[   10.851714][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.851720][  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)
[   10.851722][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.851725][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.851728][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.851730][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.851735][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.851740][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.851746][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.851749][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.851751][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.851755][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.851759][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.851761][  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))
[   10.851764][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.851766][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.851770][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.851774][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.851776][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.851782][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.851784][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.851786][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.851789][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.851792][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.851794][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.851797][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.851801][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.851805][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.851808][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.851812][  T187]  ? snapshot_read.cold (user.c:?)
[   10.851815][  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)
[   10.851818][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.851822][  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)
[   10.851825][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.851828][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.851830][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.851833][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.851837][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.851840][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.851842][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.851844][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.851847][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.851850][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.851852][  T187] RIP: 0033:0x7fd1020df1b8
[   10.851854][  T187] Code: Unable to access opcode bytes at 0x7fd1020df18e.

Code starting with the faulting instruction
===========================================
[   10.851856][  T187] RSP: 002b:00007fff63b6ebf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.851858][  T187] RAX: ffffffffffffffda RBX: 00007fd10220ff88 RCX: 00007fd1020df1b8
[   10.851859][  T187] RDX: 00007fd101e29fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.851860][  T187] RBP: 00007fff63b6ec50 R08: 0000000000000000 R09: 0000000000008010
[   10.851861][  T187] R10: 00007fff63b6ea10 R11: 0000000000000246 R12: 0000000000000001
[   10.851862][  T187] R13: 0000000000000000 R14: 00007fd10220e680 R15: 00007fd10220ffa0
| [   12.034168][  T239] softirqs last disabled at (15260): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.034171][  T239] Preemption disabled at:
| [   12.034172][  T239] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.034181][  T239] Tainted: [W]=WARN
[   12.034182][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.034184][  T239] Call Trace:
[   12.034185][  T239]  <TASK>
[   12.034187][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.034192][  T239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.034195][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.034199][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.034203][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.034209][  T239]  __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))
[   12.034211][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.034216][  T239]  ? 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)
[   12.034219][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.034222][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   12.034225][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.034229][  T239]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.034232][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.034235][  T239]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.034237][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.034239][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.034242][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.034244][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.034247][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.034252][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.034256][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.034259][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.034261][  T239]  ? 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))
[   12.034264][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.034266][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.034270][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.034274][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.034276][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.034281][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.034284][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.034286][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.034288][  T239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.034291][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.034293][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.034296][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.034300][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.034302][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.034304][  T239]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.034308][  T239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.034311][  T239]  _printk (kernel/printk/printk.c:2504)
[   12.034315][  T239]  ? snapshot_read.cold (user.c:?)
[   12.034319][  T239]  ? br_multicast_flood (??:?) bridge
[   12.034331][  T239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.034332][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.034334][  T239]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.034338][  T239] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.034348][  T239] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.034356][  T239] new_nbp (net/bridge/br_if.c:449) bridge
[   12.034364][  T239] br_add_if (net/bridge/br_if.c:592) bridge
[   12.034371][  T239]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.034375][  T239]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.034378][  T239]  ? __kernel_text_address (kernel/extable.c:79)
[   12.034382][  T239]  do_set_master (net/core/rtnetlink.c:3071)
[   12.034386][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.034389][  T239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.034393][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.034394][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.034396][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.034400][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.034402][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.034404][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.034407][  T239]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.034410][  T239]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.034411][  T239]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.034414][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.034416][  T239]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.034419][  T239]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.034423][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.034431][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.034434][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.034436][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.034438][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.034440][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.034442][  T239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.034446][  T239]  ? __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)
[   12.034448][  T239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.034450][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.034453][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.034455][  T239]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.034459][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.034464][  T239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.034470][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.034471][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.034476][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.034477][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.034479][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.034481][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.034485][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.034487][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.034490][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.034491][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.034495][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.034497][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.034500][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.034502][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.034505][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.034511][  T239]  ? 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))
[   12.034512][  T239]  ? 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))
[   12.034516][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.034520][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.034523][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.034527][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.034530][  T239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.034534][  T239]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.034539][  T239]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.034541][  T239]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.034543][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.034545][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   12.034552][  T239]  ___sys_sendmsg (net/socket.c:2767)
[   12.034555][  T239]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.034570][  T239]  __sys_sendmsg (net/socket.c:2799)
[   12.034573][  T239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.034579][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.034582][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.034584][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.034587][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.034590][  T239] RIP: 0033:0x7fdb3c26254e
[   12.034593][  T239] 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
[   12.034595][  T239] RSP: 002b:00007fff34b02940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.034597][  T239] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdb3c26254e
[   12.034599][  T239] RDX: 0000000000000000 RSI: 00007fff34b029f0 RDI: 0000000000000005
[   12.034600][  T239] RBP: 00007fff34b02950 R08: 0000000000000000 R09: 0000000000000000
[   12.034601][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918303
[   12.034601][  T239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff34b030b0
| [   17.660362][  T266] softirqs last disabled at (26531): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.660365][  T266] Preemption disabled at:
| [   17.660365][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.660374][  T266] Tainted: [W]=WARN
[   17.660375][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.660377][  T266] Call Trace:
[   17.660378][  T266]  <TASK>
[   17.660380][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.660385][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.660387][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.660392][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.660396][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.660401][  T266]  __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))
[   17.660403][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.660409][  T266]  ? 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)
[   17.660412][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.660415][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   17.660417][  T266]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.660419][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.660422][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.660425][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.660429][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.660432][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.660434][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.660438][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.660439][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.660442][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.660445][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.660454][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.660457][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.660459][  T266]  ? 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))
[   17.660462][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.660464][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.660468][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.660472][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.660474][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.660479][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.660482][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.660483][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.660485][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.660489][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.660491][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.660494][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.660498][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.660503][  T266]  ? 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
[   17.660507][  T266]  _printk (kernel/printk/printk.c:2504)
[   17.660510][  T266]  ? snapshot_read.cold (user.c:?)
[   17.660516][  T266]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   17.660519][  T266] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.660522][  T266]  do_one_initcall (init/main.c:1357)
[   17.660525][  T266]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.660529][  T266]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.660532][  T266]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.660537][  T266]  do_init_module (kernel/module/main.c:3117)
[   17.660540][  T266]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.660545][  T266]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.660548][  T266]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.660551][  T266]  load_module (kernel/module/main.c:3593)
[   17.660558][  T266]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.660562][  T266]  ? __ia32_sys_fsconfig (??:?)
[   17.660565][  T266]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.660569][  T266]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.660572][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.660576][  T266]  init_module_from_file (kernel/module/main.c:3790)
[   17.660579][  T266]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.660586][  T266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.660590][  T266]  ? 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)
[   17.660593][  T266]  idempotent_init_module (kernel/module/main.c:3802)
[   17.660596][  T266]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.660602][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.660604][  T266]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.660610][  T266]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.660612][  T266]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.660616][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.660617][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.660620][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.660622][  T266] RIP: 0033:0x7f6eacc0737d
[   17.660625][  T266] 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
[   17.660627][  T266] RSP: 002b:00007ffc7c3fbab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.660630][  T266] RAX: ffffffffffffffda RBX: 00005607c5514810 RCX: 00007f6eacc0737d
[   17.660631][  T266] RDX: 0000000000000000 RSI: 00005607ab931ffd RDI: 0000000000000000
[   17.660632][  T266] RBP: 00007ffc7c3fbb50 R08: 0000000000000000 R09: 0000000000000000
[   17.660633][  T266] R10: 0000000000000000 R11: 0000000000000246 R12: 00005607ab931ffd
[   17.660634][  T266] R13: 00005607c5514960 R14: 0000000000040000 R15: 0000000000000000
| [   18.420878][    C0]
| [   18.420879][    C0]
| [   18.420879][    C0] stack backtrace:
| [   18.420887][    C0] Tainted: [W]=WARN
[   18.420888][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.420890][    C0] Call Trace:
[   18.420892][    C0]  <IRQ>
[   18.420894][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.420899][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   18.420903][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   18.420905][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   18.420910][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   18.420912][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   18.420915][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   18.420918][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.420921][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.420924][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.420928][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.420931][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.420933][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.420936][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   18.420939][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.420941][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.420944][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.420947][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.420950][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.420954][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.420956][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.420960][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.420963][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.420965][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.420968][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.420970][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.420973][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.420976][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.420979][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.420983][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   18.420986][    C0]  _printk (kernel/printk/printk.c:2504)
[   18.420988][    C0]  ? snapshot_read.cold (user.c:?)
[   18.420991][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   18.420994][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.420997][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   18.421000][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   18.421002][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   18.421005][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   18.421008][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   18.421010][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   18.421015][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.421017][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.421020][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.421023][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   18.421026][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   18.421029][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   18.421032][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.421036][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.421040][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   18.421043][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   18.421045][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.421049][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.421051][    C0]  handle_softirqs (kernel/softirq.c:645)
[   18.421054][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.421057][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   18.421060][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   18.421062][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   18.421064][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   18.421067][    C0]  </IRQ>
[   18.421068][    C0]  <TASK>
[   18.421070][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   18.421072][    C0] RIP: 0010:lock_release (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5933 kernel/locking/lockdep.c:5916)
[   18.421076][    C0] Code: a0 38 04 83 f8 01 0f 85 fc 00 00 00 9c 58 f6 c4 02 0f 85 11 01 00 00 41 f7 c7 00 02 00 00 0f 84 c7 00 00 00 fb 4c 8b 7c 24 18 <48> 8b 5c 24 08 4c 8b 74 24 10 48 83 c4 20 c3 65 8b 05 36 5b 38 04
All code
========
   0:	a0 38 04 83 f8 01 0f 	movabs 0xfc850f01f8830438,%al
   7:	85 fc 
   9:	00 00                	add    %al,(%rax)
   b:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  12:	85 11                	test   %edx,(%rcx)
  14:	01 00                	add    %eax,(%rax)
  16:	00 41 f7             	add    %al,-0x9(%rcx)
  19:	c7 00 02 00 00 0f    	movl   $0xf000002,(%rax)
  1f:	84 c7                	test   %al,%bh
  21:	00 00                	add    %al,(%rax)
  23:	00 fb                	add    %bh,%bl
  25:	4c 8b 7c 24 18       	mov    0x18(%rsp),%r15
  2a:*	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx		<-- trapping instruction
  2f:	4c 8b 74 24 10       	mov    0x10(%rsp),%r14
  34:	48 83 c4 20          	add    $0x20,%rsp
  38:	c3                   	ret
  39:	65 8b 05 36 5b 38 04 	mov    %gs:0x4385b36(%rip),%eax        # 0x4385b76

Code starting with the faulting instruction
===========================================
   0:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
   5:	4c 8b 74 24 10       	mov    0x10(%rsp),%r14
   a:	48 83 c4 20          	add    $0x20,%rsp
   e:	c3                   	ret
   f:	65 8b 05 36 5b 38 04 	mov    %gs:0x4385b36(%rip),%eax        # 0x4385b4c
[   18.421078][    C0] RSP: 0018:ffa0000000667218 EFLAGS: 00000206
[   18.421081][    C0] RAX: 0000000000000046 RBX: ffffffff96380b00 RCX: 0000000000000001
[   18.421083][    C0] RDX: 0000000000000000 RSI: ffffffff95e21b15 RDI: ffffffff9588d8e0
[   18.421085][    C0] RBP: ffa0000000667690 R08: ffffffff96fe575c R09: ffffffff96d9586c
[   18.421086][    C0] R10: 0000000000000000 R11: 0000000000000008 R12: ffa0000000667601
[   18.421087][    C0] R13: ffa0000000667340 R14: ffffffff92f56bb1 R15: ff1100000b065688
[   18.421089][    C0]  ? unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   18.421094][    C0]  unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   18.421096][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.421100][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   18.421102][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.421105][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   18.421107][    C0]  ? write_profile (profile.c:?)
[   18.421110][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   18.421114][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.421117][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.421119][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   18.421121][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   18.421125][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[   18.421128][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.421137][    C0]  kasan_save_track (mm/kasan/common.c:78)
[   18.421139][    C0]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   18.421142][    C0]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   18.421145][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   18.421149][    C0]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   18.421151][    C0]  __create_object (mm/kmemleak.c:801)
[   18.421154][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.421157][    C0]  kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5068)
[   18.421160][    C0]  ? alloc_vmap_area (mm/vmalloc.c:2081 (discriminator 7))
[   18.421167][    C0]  alloc_vmap_area (mm/vmalloc.c:2081 (discriminator 7))
[   18.421171][    C0]  ? free_vmap_area (./include/linux/list.h:127)
[   18.421174][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.421176][    C0]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.421179][    C0]  ? __kmalloc_cache_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5582)
[   18.421182][    C0]  ? __get_vm_area_node (./include/linux/slab.h:1196 (discriminator 1) mm/vmalloc.c:3237 (discriminator 1))
[   18.421185][    C0]  __get_vm_area_node (mm/vmalloc.c:3248)
[   18.421188][    C0]  __vmalloc_node_range_noprof (mm/vmalloc.c:4064)
[   18.421191][    C0]  ? dup_task_struct (kernel/fork.c:930)
[   18.421193][    C0]  ? dup_task_struct (kernel/fork.c:930)
[   18.421196][    C0]  ? __vmalloc_area_node (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.421198][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.421200][    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)
[   18.421203][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   18.421205][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.421208][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   18.421211][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.421214][    C0]  __vmalloc_node_noprof (mm/vmalloc.c:4165 (discriminator 4))
[   18.421217][    C0]  ? dup_task_struct (kernel/fork.c:930)
[   18.421219][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   18.421222][    C0]  ? preempt_count_add (./include/linux/ftrace.h:1177 kernel/sched/core.c:5970 kernel/sched/core.c:5967 kernel/sched/core.c:6000)
[   18.421225][    C0]  ? alloc_thread_stack_node (./include/linux/preempt.h:500 kernel/fork.c:228 kernel/fork.c:338)
[   18.421227][    C0]  alloc_thread_stack_node (kernel/fork.c:359 (discriminator 9))
[   18.421230][    C0]  dup_task_struct (kernel/fork.c:930)
[   18.421232][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   18.421235][    C0]  copy_process (kernel/fork.c:2133 (discriminator 1))
[   18.421237][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.421239][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.421242][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.421245][    C0]  ? pidfd_prepare (./include/linux/list.h:1037 (discriminator 3) ./include/linux/pid.h:98 (discriminator 3) kernel/fork.c:1936 (discriminator 3))
[   18.421248][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.421251][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.421254][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.421257][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.421260][    C0]  kernel_clone (kernel/fork.c:2766)
[   18.421262][    C0]  ? create_io_thread (kernel/fork.c:2704)
[   18.421267][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.421270][    C0]  __do_sys_clone (kernel/fork.c:2908)
[   18.421272][    C0]  ? kernel_clone (./include/trace/events/sched.h:396 (discriminator 19))
[   18.421277][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.421280][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.421282][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.421284][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.421287][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.421289][    C0] RIP: 0033:0x7eff6346c126
[   18.421293][    C0] Code: 7d e0 e8 7d af f5 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a 89 c3 85 c0 75 2f 64 48 8b 04 25 10 00 00
All code
========
   0:	7d e0                	jge    0xffffffffffffffe2
   2:	e8 7d af f5 ff       	call   0xfffffffffff5af84
   7:	45 31 c0             	xor    %r8d,%r8d
   a:	31 d2                	xor    %edx,%edx
   c:	31 f6                	xor    %esi,%esi
   e:	64 48 8b 04 25 10 00 	mov    %fs:0x10,%rax
  15:	00 00 
  17:	bf 11 00 20 01       	mov    $0x1200011,%edi
  1c:	4c 8d 90 d0 02 00 00 	lea    0x2d0(%rax),%r10
  23:	b8 38 00 00 00       	mov    $0x38,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 5a                	ja     0x8c
  32:	89 c3                	mov    %eax,%ebx
  34:	85 c0                	test   %eax,%eax
  36:	75 2f                	jne    0x67
  38:	64                   	fs
  39:	48                   	rex.W
  3a:	8b                   	.byte 0x8b
  3b:	04 25                	add    $0x25,%al
  3d:	10 00                	adc    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 5a                	ja     0x62
   8:	89 c3                	mov    %eax,%ebx
   a:	85 c0                	test   %eax,%eax
   c:	75 2f                	jne    0x3d
   e:	64                   	fs
   f:	48                   	rex.W
  10:	8b                   	.byte 0x8b
  11:	04 25                	add    $0x25,%al
  13:	10 00                	adc    %al,(%rax)
	...
[   18.421294][    C0] RSP: 002b:00007ffe7d9e2310 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   18.421297][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff6346c126
[   18.421298][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[   18.421300][    C0] RBP: 00007ffe7d9e2330 R08: 0000000000000000 R09: 0000000000000200
[   18.421301][    C0] R10: 00007eff633aae50 R11: 0000000000000246 R12: 00007ffe7d9e2ab0
[   18.421302][    C0] R13: 00000000ffffffff R14: 000000000000000c R15: 0000000000000000
| [   30.116142][  T484] softirqs last disabled at (0): 0x0
| [   30.116144][  T484] Preemption disabled at:
| [   30.116145][  T484] 0x0
| [   30.116152][  T484] Tainted: [W]=WARN
[   30.116153][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.116155][  T484] Call Trace:
[   30.116157][  T484]  <TASK>
[   30.116158][  T484]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.116166][  T484]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.116170][  T484]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.116174][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116178][  T484]  __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))
[   30.116182][  T484]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.116185][  T484]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.116189][  T484]  ? 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)
[   30.116191][  T484]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.116193][  T484]  put_chars (drivers/char/virtio_console.c:1176)
[   30.116195][  T484]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.116196][  T484]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   30.116200][  T484]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.116203][  T484]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.116205][  T484]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.116207][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116208][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.116210][  T484]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.116213][  T484]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.116215][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116216][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116218][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116220][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.116221][  T484]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.116223][  T484]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.116225][  T484]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.116228][  T484]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.116229][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.116231][  T484]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.116233][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116234][  T484]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.116235][  T484]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.116237][  T484]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.116239][  T484]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.116241][  T484]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.116243][  T484]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.116245][  T484]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.116247][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116248][  T484]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.116251][  T484]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   30.116253][  T484]  _printk (kernel/printk/printk.c:2504)
[   30.116256][  T484]  ? snapshot_read.cold (user.c:?)
[   30.116258][  T484]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   30.116263][  T484] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.116276][  T484] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   30.116284][  T484] br_device_event (net/bridge/br.c:111) bridge
[   30.116292][  T484]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   30.116295][  T484]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   30.116298][  T484]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   30.116301][  T484]  notifier_call_chain (kernel/notifier.c:85)
[   30.116304][  T484]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   30.116308][  T484]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.116309][  T484]  ? netif_change_name (net/core/dev.c:1517)
[   30.116311][  T484]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   30.116313][  T484]  ? __kernel_text_address (kernel/extable.c:79)
[   30.116315][  T484]  ? write_profile (profile.c:?)
[   30.116318][  T484]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.116321][  T484]  netif_change_flags (net/core/dev.c:9882)
[   30.116323][  T484]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.116326][  T484]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.116327][  T484]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.116328][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116330][  T484]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.116333][  T484]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.116337][  T484]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.116338][  T484]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.116339][  T484]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.116341][  T484]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   30.116342][  T484]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   30.116343][  T484]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.116345][  T484]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.116347][  T484]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.116349][  T484]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.116350][  T484]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.116352][  T484]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.116354][  T484]  ? __sys_sendmsg (net/socket.c:2799)
[   30.116356][  T484]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.116358][  T484]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.116360][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116362][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.116363][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116365][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116366][  T484]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.116369][  T484]  ? __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)
[   30.116371][  T484]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.116372][  T484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.116374][  T484]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.116376][  T484]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.116378][  T484]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.116379][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116381][  T484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.116382][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.116384][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116386][  T484]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   30.116389][  T484]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.116391][  T484]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.116392][  T484]  ? __kernel_text_address (kernel/extable.c:79)
[   30.116393][  T484]  ? write_profile (profile.c:?)
[   30.116394][  T484]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.116395][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116397][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116399][  T484]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.116402][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.116404][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116405][  T484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.116407][  T484]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.116408][  T484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.116409][  T484]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.116411][  T484]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.116413][  T484]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.116414][  T484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.116416][  T484]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.116417][  T484]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.116419][  T484]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   30.116421][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116423][  T484]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.116425][  T484]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.116426][  T484]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.116428][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116430][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116431][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.116433][  T484]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.116435][  T484]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.116437][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116438][  T484]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.116440][  T484]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.116442][  T484]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.116443][  T484]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.116445][  T484]  ? move_addr_to_kernel (net/socket.c:258)
[   30.116446][  T484]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.116449][  T484]  ___sys_sendmsg (net/socket.c:2767)
[   30.116450][  T484]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.116455][  T484]  __sys_sendmsg (net/socket.c:2799)
[   30.116457][  T484]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.116460][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.116462][  T484]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.116463][  T484]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.116465][  T484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.116467][  T484] RIP: 0033:0x7f04779cc54e
[   30.116469][  T484] 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
[   30.116471][  T484] RSP: 002b:00007ffd7455fb80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.116475][  T484] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f04779cc54e
[   30.116476][  T484] RDX: 0000000000000000 RSI: 00007ffd7455fc30 RDI: 0000000000000005
[   30.116477][  T484] RBP: 00007ffd7455fb90 R08: 0000000000000000 R09: 0000000000000000
[   30.116478][  T484] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918315


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