INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.16' (ECDSA) to the list of known hosts. net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 syzkaller login: [ 33.442706] IPVS: ftp: loaded support on port[0] = 21 [ 33.616715] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.623135] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.630367] device bridge_slave_0 entered promiscuous mode [ 33.644748] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.651093] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.657894] device bridge_slave_1 entered promiscuous mode [ 33.671447] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 33.686281] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 33.722367] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 33.738231] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 33.791862] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.799472] team0: Port device team_slave_0 added [ 33.812155] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.819155] team0: Port device team_slave_1 added [ 33.832675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.847442] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.862810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.878577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 33.979236] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.985650] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.992393] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.998725] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 34.353309] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 34.359393] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.397548] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 34.434756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.441860] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 34.473518] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 34.479588] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.569200] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 34.714106] ================================================================== [ 34.721530] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 34.728170] Write of size 4 at addr ffff8801d47bdba0 by task syzkaller667699/4415 [ 34.735756] [ 34.737363] CPU: 0 PID: 4415 Comm: syzkaller667699 Not tainted 4.16.0+ #1 [ 34.744260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.753585] Call Trace: [ 34.756150] dump_stack+0x1b9/0x294 [ 34.759752] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.764915] ? printk+0x9e/0xba [ 34.768169] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 34.772905] ? kasan_check_write+0x14/0x20 [ 34.777120] print_address_description+0x6c/0x20b [ 34.781942] ? skb_release_data+0x19b/0x860 [ 34.786241] kasan_report.cold.7+0x242/0x2fe [ 34.790626] check_memory_region+0x13e/0x1b0 [ 34.795013] kasan_check_write+0x14/0x20 [ 34.799048] skb_release_data+0x19b/0x860 [ 34.803173] ? skb_tx_error+0x2f0/0x2f0 [ 34.807121] ? kasan_check_read+0x11/0x20 [ 34.811244] ? rcu_is_watching+0x85/0x140 [ 34.815365] ? kasan_check_write+0x14/0x20 [ 34.819574] ? sock_rmem_free+0x6f/0x90 [ 34.823525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.829036] skb_release_all+0x4a/0x60 [ 34.832900] kfree_skb+0x195/0x560 [ 34.836416] ? skb_queue_purge+0x19/0x40 [ 34.840453] ? __kfree_skb+0x20/0x20 [ 34.844145] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 34.848708] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 34.853784] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.858772] ? trace_hardirqs_on+0xd/0x10 [ 34.862895] ? skb_dequeue+0x12f/0x180 [ 34.866759] skb_queue_purge+0x19/0x40 [ 34.870625] packet_sock_destruct+0x93/0x290 [ 34.875006] ? packet_mm_close+0xc0/0xc0 [ 34.879039] ? graph_lock+0x170/0x170 [ 34.882817] ? __free_object+0x16e/0x330 [ 34.886850] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 34.892102] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 34.896661] ? packet_mm_close+0xc0/0xc0 [ 34.900695] __sk_destruct+0xff/0xa40 [ 34.904472] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 34.909376] ? graph_lock+0x170/0x170 [ 34.913152] ? lock_downgrade+0x8e0/0x8e0 [ 34.917272] ? __lock_is_held+0xb5/0x140 [ 34.921309] ? kasan_check_read+0x11/0x20 [ 34.925433] ? do_raw_spin_unlock+0x9e/0x2e0 [ 34.929814] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 34.934370] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 34.939451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.944965] ? refcount_sub_and_test+0x212/0x330 [ 34.949695] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 34.954424] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 34.959156] ? pcpu_free_area+0xa90/0xa90 [ 34.963281] sk_destruct+0x78/0x90 [ 34.966811] __sk_free+0x22e/0x340 [ 34.970332] sk_free+0x42/0x50 [ 34.973505] packet_release+0xa18/0xd50 [ 34.977455] ? lock_downgrade+0x8e0/0x8e0 [ 34.981582] ? packet_lookup_frame+0x270/0x270 [ 34.986139] ? cpumask_weight.constprop.5+0x44/0x44 [ 34.991132] ? do_raw_spin_lock+0xc1/0x200 [ 34.995344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.000856] ? locks_remove_file+0x3f7/0x5a0 [ 35.005239] ? fcntl_setlk+0x1020/0x1020 [ 35.009277] ? fsnotify+0x415/0x1100 [ 35.012970] ? fsnotify_first_mark+0x330/0x330 [ 35.017530] sock_release+0x96/0x1b0 [ 35.021217] ? sock_alloc_file+0x4e0/0x4e0 [ 35.025424] sock_close+0x16/0x20 [ 35.028849] __fput+0x34d/0x890 [ 35.032104] ? fput+0x1a0/0x1a0 [ 35.035362] ? check_same_owner+0x320/0x320 [ 35.039658] ____fput+0x15/0x20 [ 35.042913] task_work_run+0x1e4/0x290 [ 35.046777] ? task_work_cancel+0x240/0x240 [ 35.051074] ? switch_task_namespaces+0xbd/0xd0 [ 35.055718] do_exit+0x1aee/0x2730 [ 35.059237] ? mm_update_next_owner+0x980/0x980 [ 35.063881] ? lock_downgrade+0x8e0/0x8e0 [ 35.068003] ? finish_task_switch+0x182/0x810 [ 35.072479] ? kasan_check_read+0x11/0x20 [ 35.076603] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.080988] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 35.085549] ? compat_start_thread+0x80/0x80 [ 35.089932] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.094403] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.099395] ? kasan_check_write+0x14/0x20 [ 35.103602] ? finish_task_switch+0x28b/0x810 [ 35.108081] ? __schedule+0x809/0x1e30 [ 35.111946] ? __sched_text_start+0x8/0x8 [ 35.116082] ? vfs_writev+0x255/0x330 [ 35.119856] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.124849] ? kfree+0x1e9/0x260 [ 35.128188] ? vfs_writev+0xfc/0x330 [ 35.131877] ? vfs_iter_write+0xb0/0xb0 [ 35.135833] ? schedule+0xef/0x430 [ 35.139345] ? sockfd_lookup_light+0xc5/0x160 [ 35.143814] ? __schedule+0x1e30/0x1e30 [ 35.147764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.153278] ? __fdget_pos+0xd6/0x1e0 [ 35.157053] ? __fdget_raw+0x20/0x20 [ 35.160747] ? exit_to_usermode_loop+0x87/0x310 [ 35.165394] do_group_exit+0x16f/0x430 [ 35.169261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.174770] ? SyS_exit+0x30/0x30 [ 35.178196] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 35.183015] ? do_syscall_64+0xb7/0x9d0 [ 35.186962] ? do_group_exit+0x430/0x430 [ 35.190999] SyS_exit_group+0x1d/0x20 [ 35.194774] do_syscall_64+0x29e/0x9d0 [ 35.198636] ? vmalloc_sync_all+0x30/0x30 [ 35.202756] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.207488] ? syscall_return_slowpath+0x5c0/0x5c0 [ 35.212391] ? syscall_return_slowpath+0x30f/0x5c0 [ 35.217297] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 35.222634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.227453] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 35.232635] RIP: 0033:0x441a69 [ 35.235800] RSP: 002b:00007ffc3cfc2968 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 35.243483] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441a69 [ 35.250726] RDX: 00000000004419a0 RSI: 0000000000000001 RDI: 0000000000000001 [ 35.257971] RBP: 00000000006cd018 R08: 00007ffc3cff02f4 R09: 0000000000000003 [ 35.265212] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000402760 [ 35.272456] R13: 00000000004027f0 R14: 0000000000000000 R15: 0000000000000000 [ 35.279703] [ 35.281329] Allocated by task 4415: [ 35.284929] save_stack+0x43/0xd0 [ 35.288356] kasan_kmalloc+0xc4/0xe0 [ 35.292045] __kmalloc_node_track_caller+0x47/0x70 [ 35.296949] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 35.301676] __alloc_skb+0x14d/0x780 [ 35.305365] alloc_skb_with_frags+0x137/0x760 [ 35.309836] sock_alloc_send_pskb+0x87a/0xae0 [ 35.314306] packet_sendmsg+0x1bd1/0x60b0 [ 35.318428] sock_sendmsg+0xd5/0x120 [ 35.322113] ___sys_sendmsg+0x805/0x940 [ 35.326060] __sys_sendmsg+0x115/0x270 [ 35.329919] SyS_sendmsg+0x29/0x30 [ 35.333431] do_syscall_64+0x29e/0x9d0 [ 35.337300] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 35.342460] [ 35.344059] Freed by task 4415: [ 35.347311] save_stack+0x43/0xd0 [ 35.350736] __kasan_slab_free+0x11a/0x170 [ 35.354943] kasan_slab_free+0xe/0x10 [ 35.358714] kfree+0xd9/0x260 [ 35.361794] skb_free_head+0x99/0xc0 [ 35.365483] skb_release_data+0x690/0x860 [ 35.369601] skb_release_all+0x4a/0x60 [ 35.373462] kfree_skb+0x195/0x560 [ 35.376977] ip6_tnl_start_xmit+0xa44/0x2290 [ 35.381358] dev_hard_start_xmit+0x264/0xc10 [ 35.385767] __dev_queue_xmit+0x2724/0x34c0 [ 35.390062] dev_queue_xmit+0x17/0x20 [ 35.393836] packet_sendmsg+0x411c/0x60b0 [ 35.397955] sock_sendmsg+0xd5/0x120 [ 35.401640] ___sys_sendmsg+0x805/0x940 [ 35.405584] __sys_sendmsg+0x115/0x270 [ 35.409443] SyS_sendmsg+0x29/0x30 [ 35.412955] do_syscall_64+0x29e/0x9d0 [ 35.416817] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 35.421976] [ 35.423579] The buggy address belongs to the object at ffff8801d47bdac0 [ 35.423579] which belongs to the cache kmalloc-512 of size 512 [ 35.436210] The buggy address is located 224 bytes inside of [ 35.436210] 512-byte region [ffff8801d47bdac0, ffff8801d47bdcc0) [ 35.448063] The buggy address belongs to the page: [ 35.452966] page:ffffea000751ef40 count:1 mapcount:0 mapping:ffff8801d47bd0c0 index:0x0 [ 35.461083] flags: 0x2fffc0000000100(slab) [ 35.465295] raw: 02fffc0000000100 ffff8801d47bd0c0 0000000000000000 0000000100000006 [ 35.473152] raw: ffffea000751eee0 ffffea000751efa0 ffff8801dac00940 0000000000000000 [ 35.481000] page dumped because: kasan: bad access detected [ 35.486680] [ 35.488282] Memory state around the buggy address: [ 35.493181] ffff8801d47bda80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 35.500511] ffff8801d47bdb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 35.507843] >ffff8801d47bdb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 35.515169] ^ [ 35.519548] ffff8801d47bdc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 35.526880] ffff8801d47bdc80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 35.534207] ================================================================== [ 35.541538] Disabling lock debugging due to kernel taint [ 35.547343] Kernel panic - not syncing: panic_on_warn set ... [ 35.547343] [ 35.554686] CPU: 0 PID: 4415 Comm: syzkaller667699 Tainted: G B 4.16.0+ #1 [ 35.562973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.572300] Call Trace: [ 35.574865] dump_stack+0x1b9/0x294 [ 35.578470] ? dump_stack_print_info.cold.2+0x52/0x52 [ 35.583638] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.588369] ? skb_release_data+0xd0/0x860 [ 35.592577] panic+0x22f/0x4de [ 35.595745] ? add_taint.cold.5+0x16/0x16 [ 35.599869] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.604251] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.608631] ? skb_release_data+0x19b/0x860 [ 35.612927] kasan_end_report+0x47/0x4f [ 35.616873] kasan_report.cold.7+0x76/0x2fe [ 35.621169] check_memory_region+0x13e/0x1b0 [ 35.625549] kasan_check_write+0x14/0x20 [ 35.629579] skb_release_data+0x19b/0x860 [ 35.633702] ? skb_tx_error+0x2f0/0x2f0 [ 35.637647] ? kasan_check_read+0x11/0x20 [ 35.641772] ? rcu_is_watching+0x85/0x140 [ 35.645892] ? kasan_check_write+0x14/0x20 [ 35.650098] ? sock_rmem_free+0x6f/0x90 [ 35.654046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.659554] skb_release_all+0x4a/0x60 [ 35.663411] kfree_skb+0x195/0x560 [ 35.666922] ? skb_queue_purge+0x19/0x40 [ 35.670956] ? __kfree_skb+0x20/0x20 [ 35.674642] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 35.679197] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 35.684275] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.689264] ? trace_hardirqs_on+0xd/0x10 [ 35.693383] ? skb_dequeue+0x12f/0x180 [ 35.697241] skb_queue_purge+0x19/0x40 [ 35.701102] packet_sock_destruct+0x93/0x290 [ 35.705479] ? packet_mm_close+0xc0/0xc0 [ 35.709510] ? graph_lock+0x170/0x170 [ 35.713284] ? __free_object+0x16e/0x330 [ 35.717315] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 35.722561] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 35.727115] ? packet_mm_close+0xc0/0xc0 [ 35.731149] __sk_destruct+0xff/0xa40 [ 35.734922] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 35.739822] ? graph_lock+0x170/0x170 [ 35.743594] ? lock_downgrade+0x8e0/0x8e0 [ 35.747712] ? __lock_is_held+0xb5/0x140 [ 35.751750] ? kasan_check_read+0x11/0x20 [ 35.755871] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.760253] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 35.764805] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 35.769880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.775390] ? refcount_sub_and_test+0x212/0x330 [ 35.780116] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 35.784844] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 35.789570] ? pcpu_free_area+0xa90/0xa90 [ 35.793691] sk_destruct+0x78/0x90 [ 35.797227] __sk_free+0x22e/0x340 [ 35.800739] sk_free+0x42/0x50 [ 35.803906] packet_release+0xa18/0xd50 [ 35.807851] ? lock_downgrade+0x8e0/0x8e0 [ 35.811973] ? packet_lookup_frame+0x270/0x270 [ 35.816528] ? cpumask_weight.constprop.5+0x44/0x44 [ 35.821515] ? do_raw_spin_lock+0xc1/0x200 [ 35.825722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.831230] ? locks_remove_file+0x3f7/0x5a0 [ 35.835608] ? fcntl_setlk+0x1020/0x1020 [ 35.839642] ? fsnotify+0x415/0x1100 [ 35.843333] ? fsnotify_first_mark+0x330/0x330 [ 35.847888] sock_release+0x96/0x1b0 [ 35.851573] ? sock_alloc_file+0x4e0/0x4e0 [ 35.855781] sock_close+0x16/0x20 [ 35.859210] __fput+0x34d/0x890 [ 35.862464] ? fput+0x1a0/0x1a0 [ 35.865716] ? check_same_owner+0x320/0x320 [ 35.870011] ____fput+0x15/0x20 [ 35.873261] task_work_run+0x1e4/0x290 [ 35.877123] ? task_work_cancel+0x240/0x240 [ 35.881417] ? switch_task_namespaces+0xbd/0xd0 [ 35.886059] do_exit+0x1aee/0x2730 [ 35.889571] ? mm_update_next_owner+0x980/0x980 [ 35.894218] ? lock_downgrade+0x8e0/0x8e0 [ 35.898341] ? finish_task_switch+0x182/0x810 [ 35.902810] ? kasan_check_read+0x11/0x20 [ 35.906933] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.911319] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 35.915876] ? compat_start_thread+0x80/0x80 [ 35.920257] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.924738] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.929727] ? kasan_check_write+0x14/0x20 [ 35.933935] ? finish_task_switch+0x28b/0x810 [ 35.938409] ? __schedule+0x809/0x1e30 [ 35.942273] ? __sched_text_start+0x8/0x8 [ 35.946395] ? vfs_writev+0x255/0x330 [ 35.950168] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.955165] ? kfree+0x1e9/0x260 [ 35.958503] ? vfs_writev+0xfc/0x330 [ 35.962196] ? vfs_iter_write+0xb0/0xb0 [ 35.966148] ? schedule+0xef/0x430 [ 35.969662] ? sockfd_lookup_light+0xc5/0x160 [ 35.974130] ? __schedule+0x1e30/0x1e30 [ 35.978078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.983586] ? __fdget_pos+0xd6/0x1e0 [ 35.987361] ? __fdget_raw+0x20/0x20 [ 35.991050] ? exit_to_usermode_loop+0x87/0x310 [ 35.995695] do_group_exit+0x16f/0x430 [ 35.999554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.005061] ? SyS_exit+0x30/0x30 [ 36.008486] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 36.013303] ? do_syscall_64+0xb7/0x9d0 [ 36.017251] ? do_group_exit+0x430/0x430 [ 36.021288] SyS_exit_group+0x1d/0x20 [ 36.025062] do_syscall_64+0x29e/0x9d0 [ 36.028922] ? vmalloc_sync_all+0x30/0x30 [ 36.033042] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.037771] ? syscall_return_slowpath+0x5c0/0x5c0 [ 36.042681] ? syscall_return_slowpath+0x30f/0x5c0 [ 36.047584] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 36.052920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.057735] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.062895] RIP: 0033:0x441a69 [ 36.066055] RSP: 002b:00007ffc3cfc2968 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 36.073734] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441a69 [ 36.080976] RDX: 00000000004419a0 RSI: 0000000000000001 RDI: 0000000000000001 [ 36.088220] RBP: 00000000006cd018 R08: 00007ffc3cff02f4 R09: 0000000000000003 [ 36.095468] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000402760 [ 36.102728] R13: 00000000004027f0 R14: 0000000000000000 R15: 0000000000000000 [ 36.110412] Dumping ftrace buffer: [ 36.113929] (ftrace buffer empty) [ 36.117612] Kernel Offset: disabled [ 36.121214] Rebooting in 86400 seconds..