======================================
| [    9.206611][  T187] softirqs last disabled at (31973): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.206613][  T187] Preemption disabled at:
| [    9.206614][  T187] 0x0
| [    9.206624][  T187] Tainted: [W]=WARN
[    9.206625][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.206626][  T187] Call Trace:
[    9.206628][  T187]  <TASK>
[    9.206630][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.206636][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.206641][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.206645][  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)
[    9.206651][  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))
[    9.206653][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.206659][  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)
[    9.206662][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.206665][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.206667][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.206669][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.206674][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.206679][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.206685][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.206687][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.206689][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.206693][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.206697][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.206699][  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))
[    9.206702][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.206704][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.206708][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.206712][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.206714][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.206719][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.206722][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.206723][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.206726][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.206729][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.206731][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.206734][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.206738][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.206741][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.206745][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.206748][  T187]  ? snapshot_read.cold (user.c:?)
[    9.206751][  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)
[    9.206754][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.206758][  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)
[    9.206760][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.206764][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.206766][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.206768][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.206773][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.206775][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.206777][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.206779][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.206782][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.206785][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.206788][  T187] RIP: 0033:0x7f46951b41b8
[    9.206790][  T187] Code: Unable to access opcode bytes at 0x7f46951b418e.

Code starting with the faulting instruction
===========================================
[    9.206791][  T187] RSP: 002b:00007ffc1d0cbb08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.206793][  T187] RAX: ffffffffffffffda RBX: 00007f46952e4f88 RCX: 00007f46951b41b8
[    9.206795][  T187] RDX: 00007f4694efefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.206796][  T187] RBP: 00007ffc1d0cbb60 R08: 0000000000000000 R09: 0000000000008010
[    9.206796][  T187] R10: 00007ffc1d0cb920 R11: 0000000000000246 R12: 0000000000000001
[    9.206797][  T187] R13: 0000000000000000 R14: 00007f46952e3680 R15: 00007f46952e4fa0
| [   10.439516][  T252] softirqs last disabled at (25466): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.439518][  T252] Preemption disabled at:
| [   10.439519][  T252] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.439528][  T252] Tainted: [W]=WARN
[   10.439529][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.439530][  T252] Call Trace:
[   10.439532][  T252]  <TASK>
[   10.439533][  T252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.439539][  T252]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.439541][  T252]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.439546][  T252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.439551][  T252]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.439556][  T252]  __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))
[   10.439558][  T252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.439563][  T252]  ? 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)
[   10.439566][  T252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.439569][  T252]  put_chars (drivers/char/virtio_console.c:1176)
[   10.439572][  T252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.439576][  T252]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.439579][  T252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.439582][  T252]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.439584][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.439585][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.439589][  T252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.439591][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.439594][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.439598][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.439602][  T252]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.439605][  T252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.439607][  T252]  ? 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))
[   10.439610][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.439612][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.439616][  T252]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.439620][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.439622][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.439627][  T252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.439629][  T252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.439631][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.439633][  T252]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.439637][  T252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.439639][  T252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.439642][  T252]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.439646][  T252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.439648][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.439650][  T252]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.439654][  T252]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.439658][  T252]  _printk (kernel/printk/printk.c:2504)
[   10.439661][  T252]  ? snapshot_read.cold (user.c:?)
[   10.439665][  T252]  ? br_multicast_flood (??:?) bridge
[   10.439677][  T252]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.439679][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.439680][  T252]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.439684][  T252] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.439694][  T252] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.439702][  T252] new_nbp (net/bridge/br_if.c:449) bridge
[   10.439711][  T252] br_add_if (net/bridge/br_if.c:592) bridge
[   10.439718][  T252]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.439722][  T252]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.439725][  T252]  ? __kernel_text_address (kernel/extable.c:79)
[   10.439729][  T252]  do_set_master (net/core/rtnetlink.c:3071)
[   10.439733][  T252]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.439736][  T252]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.439739][  T252]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.439741][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.439743][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.439747][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.439749][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.439751][  T252]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.439753][  T252]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.439756][  T252]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.439758][  T252]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.439761][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.439762][  T252]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.439765][  T252]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.439770][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.439772][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.439774][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.439776][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.439778][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.439780][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.439782][  T252]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.439786][  T252]  ? __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)
[   10.439788][  T252]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.439790][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.439793][  T252]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.439794][  T252]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.439799][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.439804][  T252]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.439809][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.439811][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.439815][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.439817][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.439819][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.439821][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.439826][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.439828][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.439831][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.439833][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.439837][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.439839][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.439842][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.439844][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.439847][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.439852][  T252]  ? 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))
[   10.439854][  T252]  ? 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))
[   10.439858][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.439862][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.439864][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.439868][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.439872][  T252]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.439875][  T252]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.439881][  T252]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.439883][  T252]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.439885][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.439887][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   10.439894][  T252]  ___sys_sendmsg (net/socket.c:2767)
[   10.439896][  T252]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.439912][  T252]  __sys_sendmsg (net/socket.c:2799)
[   10.439914][  T252]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.439920][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.439924][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.439926][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.439929][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.439931][  T252] RIP: 0033:0x7fdf6613454e
[   10.439935][  T252] 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
[   10.439936][  T252] RSP: 002b:00007ffc7d879150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.439939][  T252] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdf6613454e
[   10.439940][  T252] RDX: 0000000000000000 RSI: 00007ffc7d879200 RDI: 0000000000000005
[   10.439941][  T252] RBP: 00007ffc7d879160 R08: 0000000000000000 R09: 0000000000000000
[   10.439942][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103ea
[   10.439943][  T252] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7d8798c0
| [   25.998918][    C2] softirqs last disabled at (1339): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.998921][    C2] Preemption disabled at:
| [   25.998922][    C2] 0x0
| [   25.998932][    C2] Tainted: [W]=WARN
[   25.998933][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.998934][    C2] Call Trace:
[   25.998936][    C2]  <IRQ>
[   25.998938][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.998943][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.998947][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.998951][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   25.998953][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.998957][    C2]  __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))
[   25.998960][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.998963][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.998967][    C2]  ? 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)
[   25.998968][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.998970][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   25.998972][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.998974][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   25.998977][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.998981][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.998982][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.998984][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.998986][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.998988][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.998990][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.998992][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.998994][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.998995][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   25.998997][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.998999][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.999002][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.999003][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.999005][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.999006][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.999008][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   25.999009][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.999011][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.999013][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.999015][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.999017][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.999019][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.999021][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   25.999023][    C2]  _printk (kernel/printk/printk.c:2504)
[   25.999026][    C2]  ? snapshot_read.cold (user.c:?)
[   25.999027][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   25.999032][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.999034][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   25.999035][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   25.999038][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   25.999040][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   25.999042][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   25.999044][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   25.999046][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.999048][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.999060][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.999062][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.999063][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.999070][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   25.999071][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.999077][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.999084][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.999090][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   25.999093][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   25.999095][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   25.999098][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.999100][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.999102][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.999104][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   25.999105][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.999113][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   25.999115][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.999117][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.999119][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   25.999121][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   25.999123][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.999125][    C2]  handle_softirqs (kernel/softirq.c:645)
[   25.999127][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.999128][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   25.999130][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   25.999132][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   25.999133][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   25.999136][    C2]  </IRQ>
[   25.999137][    C2]  <TASK>
[   25.999137][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   25.999140][    C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   25.999143][    C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   25.999144][    C2] RSP: 0018:ffa0000001e07738 EFLAGS: 00000246
[   25.999147][    C2] RAX: 0000000000000096 RBX: ff11000001159080 RCX: ffffffffa33a8483
[   25.999149][    C2] RDX: ff1100000b9ac6c0 RSI: ffffffffa3c38b01 RDI: ffffffffa368d8e0
[   25.999150][    C2] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[   25.999151][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ff11000001159080
[   25.999151][    C2] R13: ffd4000000140410 R14: ffd4000000140400 R15: ff11000005010f08
[   25.999153][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   25.999155][    C2]  get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3))
[   25.999157][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.999159][    C2]  ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1))
[   25.999161][    C2]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[   25.999163][    C2]  kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010)
[   25.999165][    C2]  ? __anon_vma_prepare (mm/rmap.c:142 (discriminator 7) mm/rmap.c:194 (discriminator 7))
[   25.999167][    C2]  __anon_vma_prepare (mm/rmap.c:142 (discriminator 7) mm/rmap.c:194 (discriminator 7))
[   25.999169][    C2]  ? pmd_install (mm/memory.c:445)
[   25.999172][    C2]  __vmf_anon_prepare (mm/memory.c:3961)
[   25.999175][    C2]  do_anonymous_page (mm/internal.h:569 mm/memory.c:5478)
[   25.999177][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.999179][    C2]  handle_pte_fault (mm/memory.c:6558)
[   25.999180][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.999182][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.999184][    C2]  ? do_numa_page.isra.0 (mm/memory.c:6319 (discriminator 1))
[   25.999186][    C2]  ? 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)
[   25.999187][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   25.999189][    C2]  __handle_mm_fault (mm/memory.c:6707)
[   25.999192][    C2]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   25.999195][    C2]  handle_mm_fault (mm/memory.c:6876)
[   25.999197][    C2]  ? vma_pgtable_walk_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/mm.h:1176 ./include/linux/hugetlb_inline.h:11 ./include/linux/hugetlb_inline.h:25 mm/memory.c:7743)
[   25.999199][    C2]  faultin_page (mm/gup.c:1126)
[   25.999201][    C2]  __get_user_pages (mm/gup.c:1428 (discriminator 1))
[   25.999203][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.999204][    C2]  ? follow_page_mask (mm/gup.c:958)
[   25.999206][    C2]  ? mmap_read_lock_maybe_expand (./include/linux/mmap_lock.h:600 mm/mmap.c:1691)
[   25.999208][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.999210][    C2]  get_user_pages_remote (mm/gup.c:1692 mm/gup.c:2609)
[   25.999211][    C2]  ? down_read (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3297 kernel/locking/rwsem.c:251 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1576)
[   25.999213][    C2]  ? down_read (kernel/locking/rwsem.c:1298 (discriminator 1) kernel/locking/rwsem.c:1304 (discriminator 1) kernel/locking/rwsem.c:1576 (discriminator 1))
[   25.999214][    C2]  ? __get_user_pages (mm/gup.c:1496 (discriminator 2))
[   25.999217][    C2]  get_arg_page (fs/exec.c:165)
[   25.999220][    C2]  ? alloc_bprm (fs/exec.c:1512 (discriminator 1))
[   25.999222][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.999224][    C2]  copy_string_kernel (fs/exec.c:571)
[   25.999225][    C2]  ? get_user_arg_ptr.isra.0 (fs/exec.c:322 (discriminator 4))
[   25.999228][    C2]  do_execveat_common.isra.0 (fs/exec.c:1916)
[   25.999230][    C2]  __x64_sys_execve (fs/exec.c:2018 (discriminator 2) fs/exec.c:2012 (discriminator 2) fs/exec.c:2012 (discriminator 2))
[   25.999233][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.999234][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.999236][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.999237][    C2] RIP: 0033:0x7fb3bd17af4b
[   25.999239][    C2] Code: 0f 1e fa 48 8b 05 75 e0 12 00 48 8b 10 e9 0d 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d de 12 00 f7 d8 64 89 01 48
All code
========
   0:	0f 1e fa             	nop    %edx
   3:	48 8b 05 75 e0 12 00 	mov    0x12e075(%rip),%rax        # 0x12e07f
   a:	48 8b 10             	mov    (%rax),%rdx
   d:	e9 0d 00 00 00       	jmp    0x1f
  12:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  19:	00 00 00 
  1c:	0f 1f 00             	nopl   (%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  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 7d de 12 00 	mov    0x12de7d(%rip),%rcx        # 0x12deb7
  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 7d de 12 00 	mov    0x12de7d(%rip),%rcx        # 0x12de8d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.999240][    C2] RSP: 002b:00007ffd3f70a758 EFLAGS: 00000206 ORIG_RAX: 000000000000003b
[   25.999242][    C2] RAX: ffffffffffffffda RBX: 00005633ea154ca0 RCX: 00007fb3bd17af4b
[   25.999242][    C2] RDX: 00005633ea1c1e30 RSI: 00005633ea154c70 RDI: 00005633ea154ca0
[   25.999243][    C2] RBP: 00007ffd3f70a840 R08: 00007ffd3f70a680 R09: 0000000000000000
[   25.999244][    C2] R10: 0000000000000008 R11: 0000000000000206 R12: 00005633ea154ca0
[   25.999245][    C2] R13: 0000000000000000 R14: 00005633ea154c70 R15: 00005633ea1c1e30
| [   26.074306][    C2]
| [   26.074382][    C2]
| [   26.074382][    C2] stack backtrace:
| [   26.074634][    C2] Tainted: [W]=WARN
[   26.074635][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.074636][    C2] Call Trace:
[   26.074637][    C2]  <IRQ>
[   26.074638][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.074641][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.074644][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.074647][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.074648][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.074650][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.074652][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.074654][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.074661][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.074664][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.074665][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.074672][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.074673][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.074679][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.074686][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.074692][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.074694][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.074695][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.074699][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.074700][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.074702][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.074704][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.074706][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.074712][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.074714][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.074717][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.074719][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.074721][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.074723][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.074724][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.074726][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.074728][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.074730][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.074731][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.074732][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.074734][    C2]  </IRQ>
[   26.074735][    C2]  <TASK>
[   26.074736][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.074737][    C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   26.074739][    C2] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   26.074740][    C2] RSP: 0018:ffa0000001e07738 EFLAGS: 00000246
[   26.074742][    C2] RAX: 0000000000000096 RBX: ff11000001159080 RCX: ffffffffa33a8483
[   26.074743][    C2] RDX: ff1100000b9ac6c0 RSI: ffffffffa3c38b01 RDI: ffffffffa368d8e0
[   26.074744][    C2] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[   26.074745][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ff11000001159080
[   26.074745][    C2] R13: ffd4000000140410 R14: ffd4000000140400 R15: ff11000005010f08
[   26.074747][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   26.074749][    C2]  get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3))
[   26.074751][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.074753][    C2]  ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1))
[   26.074754][    C2]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[   26.074756][    C2]  kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010)
[   26.074758][    C2]  ? __anon_vma_prepare (mm/rmap.c:142 (discriminator 7) mm/rmap.c:194 (discriminator 7))
[   26.074760][    C2]  __anon_vma_prepare (mm/rmap.c:142 (discriminator 7) mm/rmap.c:194 (discriminator 7))
[   26.074761][    C2]  ? pmd_install (mm/memory.c:445)
[   26.074763][    C2]  __vmf_anon_prepare (mm/memory.c:3961)
[   26.074765][    C2]  do_anonymous_page (mm/internal.h:569 mm/memory.c:5478)
[   26.074767][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.074769][    C2]  handle_pte_fault (mm/memory.c:6558)
[   26.074771][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.074772][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.074774][    C2]  ? do_numa_page.isra.0 (mm/memory.c:6319 (discriminator 1))
[   26.074776][    C2]  ? 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)
[   26.074778][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   26.074779][    C2]  __handle_mm_fault (mm/memory.c:6707)
[   26.074781][    C2]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   26.074785][    C2]  handle_mm_fault (mm/memory.c:6876)
[   26.074787][    C2]  ? vma_pgtable_walk_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/mm.h:1176 ./include/linux/hugetlb_inline.h:11 ./include/linux/hugetlb_inline.h:25 mm/memory.c:7743)
[   26.074788][    C2]  faultin_page (mm/gup.c:1126)
[   26.074790][    C2]  __get_user_pages (mm/gup.c:1428 (discriminator 1))
[   26.074791][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.074793][    C2]  ? follow_page_mask (mm/gup.c:958)
[   26.074795][    C2]  ? mmap_read_lock_maybe_expand (./include/linux/mmap_lock.h:600 mm/mmap.c:1691)
[   26.074797][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.074799][    C2]  get_user_pages_remote (mm/gup.c:1692 mm/gup.c:2609)
[   26.074800][    C2]  ? down_read (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3297 kernel/locking/rwsem.c:251 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1576)
[   26.074802][    C2]  ? down_read (kernel/locking/rwsem.c:1298 (discriminator 1) kernel/locking/rwsem.c:1304 (discriminator 1) kernel/locking/rwsem.c:1576 (discriminator 1))
[   26.074803][    C2]  ? __get_user_pages (mm/gup.c:1496 (discriminator 2))
[   26.074806][    C2]  get_arg_page (fs/exec.c:165)
[   26.074808][    C2]  ? alloc_bprm (fs/exec.c:1512 (discriminator 1))
[   26.074809][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.074811][    C2]  copy_string_kernel (fs/exec.c:571)
[   26.074813][    C2]  ? get_user_arg_ptr.isra.0 (fs/exec.c:322 (discriminator 4))
[   26.074815][    C2]  do_execveat_common.isra.0 (fs/exec.c:1916)
[   26.074818][    C2]  __x64_sys_execve (fs/exec.c:2018 (discriminator 2) fs/exec.c:2012 (discriminator 2) fs/exec.c:2012 (discriminator 2))
[   26.074820][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.074821][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.074823][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.074824][    C2] RIP: 0033:0x7fb3bd17af4b
[   26.074825][    C2] Code: 0f 1e fa 48 8b 05 75 e0 12 00 48 8b 10 e9 0d 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d de 12 00 f7 d8 64 89 01 48
All code
========
   0:	0f 1e fa             	nop    %edx
   3:	48 8b 05 75 e0 12 00 	mov    0x12e075(%rip),%rax        # 0x12e07f
   a:	48 8b 10             	mov    (%rax),%rdx
   d:	e9 0d 00 00 00       	jmp    0x1f
  12:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  19:	00 00 00 
  1c:	0f 1f 00             	nopl   (%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  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 7d de 12 00 	mov    0x12de7d(%rip),%rcx        # 0x12deb7
  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 7d de 12 00 	mov    0x12de7d(%rip),%rcx        # 0x12de8d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   26.074826][    C2] RSP: 002b:00007ffd3f70a758 EFLAGS: 00000206 ORIG_RAX: 000000000000003b
[   26.074828][    C2] RAX: ffffffffffffffda RBX: 00005633ea154ca0 RCX: 00007fb3bd17af4b
[   26.074829][    C2] RDX: 00005633ea1c1e30 RSI: 00005633ea154c70 RDI: 00005633ea154ca0
[   26.074829][    C2] RBP: 00007ffd3f70a840 R08: 00007ffd3f70a680 R09: 0000000000000000
[   26.074830][    C2] R10: 0000000000000008 R11: 0000000000000206 R12: 00005633ea154ca0
[   26.074831][    C2] R13: 0000000000000000 R14: 00005633ea154c70 R15: 00005633ea1c1e30
| [   28.728113][  T743] softirqs last disabled at (0): 0x0
| [   28.728114][  T743] Preemption disabled at:
| [   28.728115][  T743] 0x0
| [   28.728123][  T743] Tainted: [W]=WARN
[   28.728124][  T743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.728126][  T743] Call Trace:
[   28.728127][  T743]  <TASK>
[   28.728129][  T743]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.728135][  T743]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.728138][  T743]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.728142][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728146][  T743]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.728149][  T743]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.728152][  T743]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.728156][  T743]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.728158][  T743]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.728159][  T743]  put_chars (drivers/char/virtio_console.c:1176)
[   28.728161][  T743]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.728163][  T743]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   28.728166][  T743]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.728170][  T743]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.728172][  T743]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.728173][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728175][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.728177][  T743]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.728180][  T743]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.728182][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728183][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728185][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728186][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.728188][  T743]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.728190][  T743]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.728192][  T743]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.728195][  T743]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.728196][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.728198][  T743]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.728199][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728201][  T743]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.728202][  T743]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.728204][  T743]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   28.728206][  T743]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.728208][  T743]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.728210][  T743]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.728212][  T743]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.728214][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728215][  T743]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.728218][  T743]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   28.728219][  T743]  _printk (kernel/printk/printk.c:2504)
[   28.728223][  T743]  ? snapshot_read.cold (user.c:?)
[   28.728225][  T743]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   28.728229][  T743] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   28.728242][  T743] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   28.728249][  T743] br_device_event (net/bridge/br.c:111) bridge
[   28.728258][  T743]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   28.728261][  T743]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   28.728263][  T743]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   28.728266][  T743]  notifier_call_chain (kernel/notifier.c:85)
[   28.728269][  T743]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   28.728273][  T743]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.728275][  T743]  ? netif_change_name (net/core/dev.c:1517)
[   28.728277][  T743]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   28.728279][  T743]  ? __kernel_text_address (kernel/extable.c:79)
[   28.728281][  T743]  ? write_profile (profile.c:?)
[   28.728283][  T743]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.728286][  T743]  netif_change_flags (net/core/dev.c:9882)
[   28.728288][  T743]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   28.728291][  T743]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.728293][  T743]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.728294][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728295][  T743]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.728299][  T743]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.728302][  T743]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.728304][  T743]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.728305][  T743]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.728307][  T743]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   28.728308][  T743]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   28.728310][  T743]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.728311][  T743]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.728313][  T743]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.728315][  T743]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.728316][  T743]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.728318][  T743]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.728320][  T743]  ? __sys_sendmsg (net/socket.c:2799)
[   28.728321][  T743]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.728323][  T743]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.728325][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728327][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.728328][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728330][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728332][  T743]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.728335][  T743]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   28.728336][  T743]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.728338][  T743]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.728339][  T743]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.728341][  T743]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.728343][  T743]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.728345][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728347][  T743]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.728348][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.728349][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728351][  T743]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   28.728355][  T743]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.728356][  T743]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.728358][  T743]  ? __kernel_text_address (kernel/extable.c:79)
[   28.728359][  T743]  ? write_profile (profile.c:?)
[   28.728360][  T743]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.728361][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728363][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728364][  T743]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.728368][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.728369][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728371][  T743]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.728372][  T743]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.728374][  T743]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.728375][  T743]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.728377][  T743]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.728379][  T743]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.728380][  T743]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.728382][  T743]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.728384][  T743]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.728386][  T743]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   28.728390][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728392][  T743]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.728395][  T743]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.728398][  T743]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.728399][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728401][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728403][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.728404][  T743]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.728406][  T743]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.728408][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728410][  T743]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.728412][  T743]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.728413][  T743]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.728415][  T743]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.728416][  T743]  ? move_addr_to_kernel (net/socket.c:258)
[   28.728417][  T743]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.728420][  T743]  ___sys_sendmsg (net/socket.c:2767)
[   28.728422][  T743]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.728426][  T743]  __sys_sendmsg (net/socket.c:2799)
[   28.728428][  T743]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.728431][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.728433][  T743]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.728434][  T743]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.728436][  T743]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.728437][  T743] RIP: 0033:0x7f6c933f854e
[   28.728439][  T743] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.728441][  T743] RSP: 002b:00007fff59b01790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.728445][  T743] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6c933f854e
[   28.728446][  T743] RDX: 0000000000000000 RSI: 00007fff59b01840 RDI: 0000000000000005
[   28.728447][  T743] RBP: 00007fff59b017a0 R08: 0000000000000000 R09: 0000000000000000
[   28.728448][  T743] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103fd


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
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