====================================== | [ 9.521772][ T187] softirqs last disabled at (42496): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.521774][ T187] Preemption disabled at: | [ 9.521775][ T187] 0x0 | [ 9.521786][ T187] Tainted: [W]=WARN [ 9.521787][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.521788][ T187] Call Trace: [ 9.521790][ T187] [ 9.521791][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.521797][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.521803][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.521807][ 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) [ 9.521812][ 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)) [ 9.521814][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.521820][ 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) [ 9.521823][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.521826][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.521829][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.521830][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.521835][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.521840][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.521846][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.521849][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.521851][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.521855][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.521859][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.521861][ 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)) [ 9.521864][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.521867][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.521871][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.521875][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.521877][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.521882][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.521885][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.521887][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.521889][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.521893][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.521894][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.521898][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.521902][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.521905][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.521909][ T187] _printk (kernel/printk/printk.c:2504) [ 9.521913][ T187] ? snapshot_read.cold (user.c:?) [ 9.521916][ 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) [ 9.521919][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.521922][ 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) [ 9.521925][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.521929][ T187] ? exit_notify (kernel/exit.c:780) [ 9.521931][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.521933][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.521938][ T187] do_group_exit (kernel/exit.c:1151) [ 9.521940][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.521942][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.521944][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.521947][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.521951][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.521953][ T187] RIP: 0033:0x7f7f38ca31b8 [ 9.521955][ T187] Code: Unable to access opcode bytes at 0x7f7f38ca318e. Code starting with the faulting instruction =========================================== [ 9.521956][ T187] RSP: 002b:00007ffcb7abb1f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.521959][ T187] RAX: ffffffffffffffda RBX: 00007f7f38dd3f88 RCX: 00007f7f38ca31b8 [ 9.521960][ T187] RDX: 00007f7f389edfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.521961][ T187] RBP: 00007ffcb7abb250 R08: 0000000000000000 R09: 0000000000008010 [ 9.521962][ T187] R10: 00007ffcb7abb010 R11: 0000000000000246 R12: 0000000000000001 [ 9.521963][ T187] R13: 0000000000000000 R14: 00007f7f38dd2680 R15: 00007f7f38dd3fa0 | [ 15.852339][ T264] softirqs last disabled at (16482): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 15.852347][ T264] Preemption disabled at: | [ 15.852348][ T264] 0x0 | [ 15.852358][ T264] Tainted: [W]=WARN [ 15.852359][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.852360][ T264] Call Trace: [ 15.852362][ T264] [ 15.852363][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.852370][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 15.852374][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.852379][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.852384][ T264] __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)) [ 15.852386][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.852394][ T264] ? 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) [ 15.852397][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.852401][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 15.852403][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.852405][ T264] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.852409][ T264] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 15.852413][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.852416][ T264] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.852418][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.852419][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.852423][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.852425][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.852429][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.852433][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.852437][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.852439][ T264] ? 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)) [ 15.852442][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.852446][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.852450][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.852454][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.852456][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.852461][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.852464][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.852465][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.852468][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.852472][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.852473][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.852477][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 15.852481][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.852483][ T264] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.852485][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.852488][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.852492][ T264] _printk (kernel/printk/printk.c:2504) [ 15.852496][ T264] ? snapshot_read.cold (user.c:?) [ 15.852503][ T264] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.852515][ T264] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 15.852524][ T264] br_device_event (net/bridge/br.c:111) bridge [ 15.852532][ T264] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.852536][ T264] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 15.852542][ T264] notifier_call_chain (kernel/notifier.c:85) [ 15.852548][ T264] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 15.852553][ T264] ? netif_change_name (net/core/dev.c:1517) [ 15.852557][ T264] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 15.852560][ T264] ? __kernel_text_address (kernel/extable.c:79) [ 15.852562][ T264] ? write_profile (profile.c:?) [ 15.852565][ T264] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.852570][ T264] netif_change_flags (net/core/dev.c:9882) [ 15.852574][ T264] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 15.852577][ T264] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.852579][ T264] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.852580][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.852582][ T264] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.852586][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.852589][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.852590][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.852593][ T264] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.852596][ T264] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.852598][ T264] ? kasan_save_track (mm/kasan/common.c:78) [ 15.852600][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.852602][ T264] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 15.852605][ T264] ? ___sys_sendmsg (net/socket.c:2757) [ 15.852610][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.852612][ T264] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.852615][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.852617][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.852619][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.852621][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.852623][ T264] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.852627][ T264] ? __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) [ 15.852629][ T264] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.852631][ T264] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.852634][ T264] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.852640][ T264] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.852645][ T264] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.852650][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.852652][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.852657][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.852658][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.852661][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.852662][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.852666][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.852668][ T264] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.852671][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.852673][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.852677][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.852679][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.852682][ T264] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.852684][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.852687][ T264] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.852693][ T264] ? 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)) [ 15.852695][ T264] ? 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)) [ 15.852699][ T264] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.852703][ T264] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.852705][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.852710][ T264] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.852713][ T264] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.852717][ T264] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.852723][ T264] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.852725][ T264] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.852727][ T264] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.852729][ T264] ? move_addr_to_kernel (net/socket.c:258) [ 15.852737][ T264] ___sys_sendmsg (net/socket.c:2767) [ 15.852739][ T264] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.852755][ T264] __sys_sendmsg (net/socket.c:2799) [ 15.852758][ T264] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.852765][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.852768][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.852771][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.852774][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.852776][ T264] RIP: 0033:0x7f9da891254e [ 15.852778][ T264] 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 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 [ 15.852780][ T264] RSP: 002b:00007ffe30152140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.852783][ T264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9da891254e [ 15.852784][ T264] RDX: 0000000000000000 RSI: 00007ffe301521f0 RDI: 0000000000000005 [ 15.852785][ T264] RBP: 00007ffe30152150 R08: 0000000000000000 R09: 0000000000000000 [ 15.852786][ T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b90b Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print