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 '10.128.10.14' (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: [ 30.481188] IPVS: ftp: loaded support on port[0] = 21 [ 30.665640] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.672075] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.679629] device bridge_slave_0 entered promiscuous mode [ 30.698970] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.705744] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.713560] device bridge_slave_1 entered promiscuous mode [ 30.732087] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.750364] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.803933] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.823901] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.890686] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.897886] team0: Port device team_slave_0 added [ 30.911859] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.918901] team0: Port device team_slave_1 added [ 30.933554] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.950493] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.966384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.983344] 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 [ 31.091166] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.097613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.104518] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.110875] 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 [ 31.490118] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 31.496224] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.534965] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.575719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.583391] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 31.620244] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 31.866105] ================================================================== [ 31.873536] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 31.880186] Write of size 4 at addr ffff8801d4059e20 by task syzkaller345859/4492 [ 31.887779] [ 31.889387] CPU: 1 PID: 4492 Comm: syzkaller345859 Not tainted 4.16.0+ #2 [ 31.896289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.905621] Call Trace: [ 31.908191] dump_stack+0x1b9/0x294 [ 31.911795] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.916964] ? printk+0x9e/0xba [ 31.920220] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 31.924957] ? kasan_check_write+0x14/0x20 [ 31.929171] print_address_description+0x6c/0x20b [ 31.933992] ? skb_release_data+0x19b/0x860 [ 31.938298] kasan_report.cold.7+0x242/0x2fe [ 31.942683] check_memory_region+0x13e/0x1b0 [ 31.947070] kasan_check_write+0x14/0x20 [ 31.951108] skb_release_data+0x19b/0x860 [ 31.955238] ? skb_tx_error+0x2f0/0x2f0 [ 31.959193] ? kasan_check_read+0x11/0x20 [ 31.963317] ? rcu_is_watching+0x85/0x140 [ 31.967444] ? kasan_check_write+0x14/0x20 [ 31.971659] ? sock_rmem_free+0x6f/0x90 [ 31.975629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.981154] skb_release_all+0x4a/0x60 [ 31.985029] kfree_skb+0x195/0x560 [ 31.988550] ? skb_queue_purge+0x19/0x40 [ 31.992589] ? __kfree_skb+0x20/0x20 [ 31.996287] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.000850] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 32.005929] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.010920] ? trace_hardirqs_on+0xd/0x10 [ 32.015050] ? skb_dequeue+0x12f/0x180 [ 32.018913] skb_queue_purge+0x19/0x40 [ 32.022782] packet_sock_destruct+0x93/0x290 [ 32.027167] ? packet_mm_close+0xc0/0xc0 [ 32.031203] ? graph_lock+0x170/0x170 [ 32.034981] ? __free_object+0x16e/0x330 [ 32.039031] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 32.044294] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.048855] ? packet_mm_close+0xc0/0xc0 [ 32.052896] __sk_destruct+0xff/0xa40 [ 32.056675] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 32.061583] ? graph_lock+0x170/0x170 [ 32.065364] ? lock_downgrade+0x8e0/0x8e0 [ 32.069487] ? __lock_is_held+0xb5/0x140 [ 32.073526] ? kasan_check_read+0x11/0x20 [ 32.077659] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.082045] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.086606] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 32.091690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.097205] ? refcount_sub_and_test+0x212/0x330 [ 32.101940] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 32.106675] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 32.111409] ? pcpu_free_area+0xa90/0xa90 [ 32.115537] sk_destruct+0x78/0x90 [ 32.119058] __sk_free+0x22e/0x340 [ 32.122578] sk_free+0x42/0x50 [ 32.125748] packet_release+0xa18/0xd50 [ 32.129700] ? lock_downgrade+0x8e0/0x8e0 [ 32.133833] ? packet_lookup_frame+0x270/0x270 [ 32.138393] ? cpumask_weight.constprop.5+0x44/0x44 [ 32.143388] ? do_raw_spin_lock+0xc1/0x200 [ 32.147605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.153117] ? locks_remove_file+0x3f7/0x5a0 [ 32.157505] ? fcntl_setlk+0x1020/0x1020 [ 32.161562] ? fsnotify+0x415/0x1100 [ 32.165257] ? fsnotify_first_mark+0x330/0x330 [ 32.169815] sock_release+0x96/0x1b0 [ 32.173506] ? sock_alloc_file+0x4e0/0x4e0 [ 32.177717] sock_close+0x16/0x20 [ 32.181146] __fput+0x34d/0x890 [ 32.184405] ? fput+0x1a0/0x1a0 [ 32.187664] ? check_same_owner+0x320/0x320 [ 32.191962] ____fput+0x15/0x20 [ 32.195224] task_work_run+0x1e4/0x290 [ 32.199090] ? task_work_cancel+0x240/0x240 [ 32.203394] ? switch_task_namespaces+0xbd/0xd0 [ 32.208050] do_exit+0x1aee/0x2730 [ 32.211573] ? mm_update_next_owner+0x980/0x980 [ 32.216222] ? lock_downgrade+0x8e0/0x8e0 [ 32.220345] ? finish_task_switch+0x182/0x810 [ 32.224821] ? kasan_check_read+0x11/0x20 [ 32.228957] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.233344] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.237909] ? compat_start_thread+0x80/0x80 [ 32.242297] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.246769] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.251762] ? kasan_check_write+0x14/0x20 [ 32.255977] ? finish_task_switch+0x28b/0x810 [ 32.260461] ? __schedule+0x809/0x1e30 [ 32.264330] ? __sched_text_start+0x8/0x8 [ 32.268457] ? vfs_writev+0x255/0x330 [ 32.272234] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.277225] ? kfree+0x1e9/0x260 [ 32.280573] ? vfs_writev+0xfc/0x330 [ 32.284264] ? vfs_iter_write+0xb0/0xb0 [ 32.288215] ? lock_downgrade+0x8e0/0x8e0 [ 32.292341] ? schedule+0xef/0x430 [ 32.295857] ? sockfd_lookup_light+0xc5/0x160 [ 32.300329] ? __schedule+0x1e30/0x1e30 [ 32.304282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.309796] ? __fdget_pos+0xd6/0x1e0 [ 32.313574] ? __fdget_raw+0x20/0x20 [ 32.317271] ? exit_to_usermode_loop+0x87/0x310 [ 32.321919] do_group_exit+0x16f/0x430 [ 32.325786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.331302] ? SyS_exit+0x30/0x30 [ 32.334736] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 32.339555] ? do_syscall_64+0xb7/0x9d0 [ 32.343505] ? do_group_exit+0x430/0x430 [ 32.347544] SyS_exit_group+0x1d/0x20 [ 32.351323] do_syscall_64+0x29e/0x9d0 [ 32.355187] ? vmalloc_sync_all+0x30/0x30 [ 32.359313] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.364048] ? syscall_return_slowpath+0x5c0/0x5c0 [ 32.368956] ? syscall_return_slowpath+0x30f/0x5c0 [ 32.373868] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 32.379209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.384036] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 32.389204] RIP: 0033:0x441a69 [ 32.392372] RSP: 002b:00007ffe3c67aa68 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 32.400058] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441a69 [ 32.407309] RDX: 00000000004419a0 RSI: 0000000000000001 RDI: 0000000000000001 [ 32.414564] RBP: 00000000006cd018 R08: 00007ffe3c7522f4 R09: 0000000000000003 [ 32.421813] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000402760 [ 32.429061] R13: 00000000004027f0 R14: 0000000000000000 R15: 0000000000000000 [ 32.436316] [ 32.437921] Allocated by task 4492: [ 32.441531] save_stack+0x43/0xd0 [ 32.444963] kasan_kmalloc+0xc4/0xe0 [ 32.448652] __kmalloc_node_track_caller+0x47/0x70 [ 32.453559] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 32.458290] __alloc_skb+0x14d/0x780 [ 32.461979] alloc_skb_with_frags+0x137/0x760 [ 32.466460] sock_alloc_send_pskb+0x87a/0xae0 [ 32.470932] packet_sendmsg+0x1bd1/0x60b0 [ 32.475059] sock_sendmsg+0xd5/0x120 [ 32.478747] ___sys_sendmsg+0x805/0x940 [ 32.482698] __sys_sendmsg+0x115/0x270 [ 32.486559] SyS_sendmsg+0x29/0x30 [ 32.490077] do_syscall_64+0x29e/0x9d0 [ 32.493956] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 32.499118] [ 32.500720] Freed by task 4492: [ 32.503975] save_stack+0x43/0xd0 [ 32.507405] __kasan_slab_free+0x11a/0x170 [ 32.511619] kasan_slab_free+0xe/0x10 [ 32.515396] kfree+0xd9/0x260 [ 32.518476] skb_free_head+0x99/0xc0 [ 32.522164] skb_release_data+0x690/0x860 [ 32.526287] skb_release_all+0x4a/0x60 [ 32.530147] kfree_skb+0x195/0x560 [ 32.533663] ip6_tnl_start_xmit+0xa44/0x2290 [ 32.538050] dev_hard_start_xmit+0x264/0xc10 [ 32.542433] __dev_queue_xmit+0x2724/0x34c0 [ 32.546730] dev_queue_xmit+0x17/0x20 [ 32.550517] packet_sendmsg+0x411c/0x60b0 [ 32.554659] sock_sendmsg+0xd5/0x120 [ 32.558361] ___sys_sendmsg+0x805/0x940 [ 32.562317] __sys_sendmsg+0x115/0x270 [ 32.566186] SyS_sendmsg+0x29/0x30 [ 32.569708] do_syscall_64+0x29e/0x9d0 [ 32.573575] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 32.578737] [ 32.580342] The buggy address belongs to the object at ffff8801d4059d40 [ 32.580342] which belongs to the cache kmalloc-512 of size 512 [ 32.592976] The buggy address is located 224 bytes inside of [ 32.592976] 512-byte region [ffff8801d4059d40, ffff8801d4059f40) [ 32.604822] The buggy address belongs to the page: [ 32.609729] page:ffffea0007501640 count:1 mapcount:0 mapping:ffff8801d40590c0 index:0x0 [ 32.618282] flags: 0x2fffc0000000100(slab) [ 32.622497] raw: 02fffc0000000100 ffff8801d40590c0 0000000000000000 0000000100000006 [ 32.630355] raw: ffffea00075015e0 ffffea0007500720 ffff8801dac00940 0000000000000000 [ 32.638207] page dumped because: kasan: bad access detected [ 32.643886] [ 32.645488] Memory state around the buggy address: [ 32.650395] ffff8801d4059d00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 32.657730] ffff8801d4059d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.665063] >ffff8801d4059e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.672393] ^ [ 32.676786] ffff8801d4059e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.684121] ffff8801d4059f00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 32.691452] ================================================================== [ 32.698783] Disabling lock debugging due to kernel taint [ 32.704670] Kernel panic - not syncing: panic_on_warn set ... [ 32.704670] [ 32.712037] CPU: 1 PID: 4492 Comm: syzkaller345859 Tainted: G B 4.16.0+ #2 [ 32.720336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.729665] Call Trace: [ 32.732231] dump_stack+0x1b9/0x294 [ 32.735832] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.741003] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.745743] ? skb_release_data+0xd0/0x860 [ 32.749954] panic+0x22f/0x4de [ 32.753128] ? add_taint.cold.5+0x16/0x16 [ 32.757254] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.761636] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.766026] ? skb_release_data+0x19b/0x860 [ 32.770327] kasan_end_report+0x47/0x4f [ 32.774276] kasan_report.cold.7+0x76/0x2fe [ 32.778572] check_memory_region+0x13e/0x1b0 [ 32.782956] kasan_check_write+0x14/0x20 [ 32.786991] skb_release_data+0x19b/0x860 [ 32.791122] ? skb_tx_error+0x2f0/0x2f0 [ 32.795070] ? kasan_check_read+0x11/0x20 [ 32.799192] ? rcu_is_watching+0x85/0x140 [ 32.803316] ? kasan_check_write+0x14/0x20 [ 32.807528] ? sock_rmem_free+0x6f/0x90 [ 32.811479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.816991] skb_release_all+0x4a/0x60 [ 32.820855] kfree_skb+0x195/0x560 [ 32.824367] ? skb_queue_purge+0x19/0x40 [ 32.828402] ? __kfree_skb+0x20/0x20 [ 32.832091] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.836650] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 32.841726] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.846717] ? trace_hardirqs_on+0xd/0x10 [ 32.850841] ? skb_dequeue+0x12f/0x180 [ 32.854702] skb_queue_purge+0x19/0x40 [ 32.858572] packet_sock_destruct+0x93/0x290 [ 32.862959] ? packet_mm_close+0xc0/0xc0 [ 32.866993] ? graph_lock+0x170/0x170 [ 32.870774] ? __free_object+0x16e/0x330 [ 32.874809] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 32.880062] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.884623] ? packet_mm_close+0xc0/0xc0 [ 32.888659] __sk_destruct+0xff/0xa40 [ 32.892436] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 32.897340] ? graph_lock+0x170/0x170 [ 32.901116] ? lock_downgrade+0x8e0/0x8e0 [ 32.905237] ? __lock_is_held+0xb5/0x140 [ 32.909275] ? kasan_check_read+0x11/0x20 [ 32.913400] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.917781] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.922341] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 32.927420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.932942] ? refcount_sub_and_test+0x212/0x330 [ 32.937678] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 32.942408] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 32.947139] ? pcpu_free_area+0xa90/0xa90 [ 32.951276] sk_destruct+0x78/0x90 [ 32.954792] __sk_free+0x22e/0x340 [ 32.958308] sk_free+0x42/0x50 [ 32.961492] packet_release+0xa18/0xd50 [ 32.965447] ? lock_downgrade+0x8e0/0x8e0 [ 32.969572] ? packet_lookup_frame+0x270/0x270 [ 32.974133] ? cpumask_weight.constprop.5+0x44/0x44 [ 32.979126] ? do_raw_spin_lock+0xc1/0x200 [ 32.983341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.988855] ? locks_remove_file+0x3f7/0x5a0 [ 32.993241] ? fcntl_setlk+0x1020/0x1020 [ 32.997277] ? fsnotify+0x415/0x1100 [ 33.000969] ? fsnotify_first_mark+0x330/0x330 [ 33.005528] sock_release+0x96/0x1b0 [ 33.009218] ? sock_alloc_file+0x4e0/0x4e0 [ 33.013426] sock_close+0x16/0x20 [ 33.016855] __fput+0x34d/0x890 [ 33.020108] ? fput+0x1a0/0x1a0 [ 33.023362] ? check_same_owner+0x320/0x320 [ 33.027658] ____fput+0x15/0x20 [ 33.030914] task_work_run+0x1e4/0x290 [ 33.034775] ? task_work_cancel+0x240/0x240 [ 33.039072] ? switch_task_namespaces+0xbd/0xd0 [ 33.043717] do_exit+0x1aee/0x2730 [ 33.047236] ? mm_update_next_owner+0x980/0x980 [ 33.051881] ? lock_downgrade+0x8e0/0x8e0 [ 33.056010] ? finish_task_switch+0x182/0x810 [ 33.060490] ? kasan_check_read+0x11/0x20 [ 33.064614] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.068996] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 33.073567] ? compat_start_thread+0x80/0x80 [ 33.077960] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.082432] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.087424] ? kasan_check_write+0x14/0x20 [ 33.091635] ? finish_task_switch+0x28b/0x810 [ 33.096111] ? __schedule+0x809/0x1e30 [ 33.099976] ? __sched_text_start+0x8/0x8 [ 33.104102] ? vfs_writev+0x255/0x330 [ 33.107876] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.112872] ? kfree+0x1e9/0x260 [ 33.116218] ? vfs_writev+0xfc/0x330 [ 33.119908] ? vfs_iter_write+0xb0/0xb0 [ 33.123858] ? lock_downgrade+0x8e0/0x8e0 [ 33.127983] ? schedule+0xef/0x430 [ 33.131499] ? sockfd_lookup_light+0xc5/0x160 [ 33.135968] ? __schedule+0x1e30/0x1e30 [ 33.139919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.145430] ? __fdget_pos+0xd6/0x1e0 [ 33.149206] ? __fdget_raw+0x20/0x20 [ 33.152903] ? exit_to_usermode_loop+0x87/0x310 [ 33.157549] do_group_exit+0x16f/0x430 [ 33.161414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.166927] ? SyS_exit+0x30/0x30 [ 33.170357] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 33.175178] ? do_syscall_64+0xb7/0x9d0 [ 33.179129] ? do_group_exit+0x430/0x430 [ 33.183165] SyS_exit_group+0x1d/0x20 [ 33.186940] do_syscall_64+0x29e/0x9d0 [ 33.190802] ? vmalloc_sync_all+0x30/0x30 [ 33.194924] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.199653] ? syscall_return_slowpath+0x5c0/0x5c0 [ 33.204556] ? syscall_return_slowpath+0x30f/0x5c0 [ 33.209463] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 33.214805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.219622] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 33.224790] RIP: 0033:0x441a69 [ 33.227953] RSP: 002b:00007ffe3c67aa68 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 33.235634] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441a69 [ 33.242881] RDX: 00000000004419a0 RSI: 0000000000000001 RDI: 0000000000000001 [ 33.250127] RBP: 00000000006cd018 R08: 00007ffe3c7522f4 R09: 0000000000000003 [ 33.257372] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000402760 [ 33.264617] R13: 00000000004027f0 R14: 0000000000000000 R15: 0000000000000000 [ 33.272356] Dumping ftrace buffer: [ 33.275870] (ftrace buffer empty) [ 33.279555] Kernel Offset: disabled [ 33.283157] Rebooting in 86400 seconds..