====================================== | [ 10.252950][ T186] softirqs last disabled at (48822): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.252952][ T186] Preemption disabled at: | [ 10.252953][ T186] 0x0 | [ 10.252963][ T186] Tainted: [W]=WARN [ 10.252964][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.252966][ T186] Call Trace: [ 10.252967][ T186] [ 10.252969][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.252975][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 10.252980][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.252984][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.252989][ T186] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.252991][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.252997][ T186] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.253000][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.253003][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 10.253006][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.253007][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.253012][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.253017][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.253023][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.253025][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253028][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.253032][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.253036][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.253037][ T186] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.253040][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253043][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.253047][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.253051][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.253053][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253058][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.253064][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.253066][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253068][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.253072][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.253074][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.253077][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 10.253081][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.253084][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253088][ T186] _printk (kernel/printk/printk.c:2504) [ 10.253091][ T186] ? snapshot_read.cold (user.c:?) [ 10.253094][ T186] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.253097][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.253101][ T186] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.253103][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.253107][ T186] ? exit_notify (kernel/exit.c:780) [ 10.253109][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.253112][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253116][ T186] do_group_exit (kernel/exit.c:1151) [ 10.253119][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.253121][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.253123][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.253126][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.253129][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.253131][ T186] RIP: 0033:0x7f2fd2a1e1b8 [ 10.253134][ T186] Code: Unable to access opcode bytes at 0x7f2fd2a1e18e. Code starting with the faulting instruction =========================================== [ 10.253135][ T186] RSP: 002b:00007ffde38b9e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.253137][ T186] RAX: ffffffffffffffda RBX: 00007f2fd2b4ef88 RCX: 00007f2fd2a1e1b8 [ 10.253138][ T186] RDX: 00007f2fd2768fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.253139][ T186] RBP: 00007ffde38b9ee0 R08: 0000000000000000 R09: 0000000000008010 [ 10.253140][ T186] R10: 00007ffde38b9ca0 R11: 0000000000000246 R12: 0000000000000001 [ 10.253141][ T186] R13: 0000000000000000 R14: 00007f2fd2b4d680 R15: 00007f2fd2b4efa0 | [ 16.738774][ T264] softirqs last disabled at (14334): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 16.738782][ T264] Preemption disabled at: | [ 16.738783][ T264] 0x0 | [ 16.738793][ T264] Tainted: [W]=WARN [ 16.738794][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.738796][ T264] Call Trace: [ 16.738797][ T264] [ 16.738799][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.738805][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 16.738810][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.738815][ 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) [ 16.738820][ 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)) [ 16.738823][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.738829][ 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) [ 16.738831][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.738835][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 16.738838][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.738839][ T264] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 16.738843][ T264] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 16.738847][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.738850][ T264] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.738852][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.738854][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.738858][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.738859][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.738864][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.738868][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.738872][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.738874][ 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)) [ 16.738877][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.738881][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.738885][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.738889][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.738891][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.738897][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.738900][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.738902][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.738904][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.738908][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.738909][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.738913][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 16.738917][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.738919][ T264] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.738922][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.738924][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.738929][ T264] _printk (kernel/printk/printk.c:2504) [ 16.738933][ T264] ? snapshot_read.cold (user.c:?) [ 16.738941][ T264] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 16.738952][ T264] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 16.738962][ T264] br_device_event (net/bridge/br.c:111) bridge [ 16.738970][ T264] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 16.738974][ T264] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 16.738980][ T264] notifier_call_chain (kernel/notifier.c:85) [ 16.738986][ T264] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 16.738991][ T264] ? netif_change_name (net/core/dev.c:1517) [ 16.738995][ T264] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 16.738998][ T264] ? __kernel_text_address (kernel/extable.c:79) [ 16.739000][ T264] ? write_profile (profile.c:?) [ 16.739003][ T264] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 16.739008][ T264] netif_change_flags (net/core/dev.c:9882) [ 16.739012][ T264] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 16.739015][ T264] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.739017][ T264] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.739018][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.739020][ T264] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.739024][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.739027][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.739028][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.739031][ T264] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.739034][ T264] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.739036][ T264] ? kasan_save_track (mm/kasan/common.c:78) [ 16.739039][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.739041][ T264] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 16.739044][ T264] ? ___sys_sendmsg (net/socket.c:2757) [ 16.739049][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.739051][ T264] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.739053][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.739056][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.739057][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.739059][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.739062][ T264] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.739066][ 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) [ 16.739068][ T264] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.739070][ T264] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.739073][ T264] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.739079][ T264] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.739084][ T264] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.739090][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.739092][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.739096][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.739098][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.739100][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.739102][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.739106][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.739108][ T264] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.739111][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.739113][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.739117][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.739119][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.739123][ T264] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.739125][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.739127][ T264] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.739134][ 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)) [ 16.739135][ 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)) [ 16.739140][ T264] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.739144][ T264] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.739149][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.739154][ T264] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.739158][ T264] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.739162][ T264] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.739167][ T264] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.739170][ T264] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.739172][ T264] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.739174][ T264] ? move_addr_to_kernel (net/socket.c:258) [ 16.739182][ T264] ___sys_sendmsg (net/socket.c:2767) [ 16.739185][ T264] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.739201][ T264] __sys_sendmsg (net/socket.c:2799) [ 16.739204][ T264] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.739211][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.739215][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.739217][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.739220][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.739223][ T264] RIP: 0033:0x7f8a2d3e654e [ 16.739225][ 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 [ 16.739227][ T264] RSP: 002b:00007ffee98c9b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.739230][ T264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a2d3e654e [ 16.739231][ T264] RDX: 0000000000000000 RSI: 00007ffee98c9be0 RDI: 0000000000000005 [ 16.739232][ T264] RBP: 00007ffee98c9b40 R08: 0000000000000000 R09: 0000000000000000 [ 16.739233][ T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e86a 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