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 '10.128.0.59' (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: [ 42.250259] IPVS: ftp: loaded support on port[0] = 21 [ 42.423955] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.430381] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.437592] device bridge_slave_0 entered promiscuous mode [ 42.451573] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.457924] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.464730] device bridge_slave_1 entered promiscuous mode [ 42.478420] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.492919] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.529090] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.545384] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.599930] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.607113] team0: Port device team_slave_0 added [ 42.620647] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.627651] team0: Port device team_slave_1 added [ 42.640741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.655891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.671273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.686721] 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 [ 42.788831] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.795251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.801966] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.808300] 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 [ 43.169071] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 43.175163] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.211837] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.248699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.256369] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.288393] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.294461] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.377240] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 43.528099] ================================================================== [ 43.535519] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 43.542156] Write of size 4 at addr ffff8801d3b05ae0 by task syzkaller619848/4415 [ 43.549741] [ 43.551346] CPU: 0 PID: 4415 Comm: syzkaller619848 Not tainted 4.16.0+ #1 [ 43.558244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.567568] Call Trace: [ 43.570133] dump_stack+0x1b9/0x294 [ 43.573737] ? dump_stack_print_info.cold.2+0x52/0x52 [ 43.578900] ? printk+0x9e/0xba [ 43.582154] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 43.586888] ? kasan_check_write+0x14/0x20 [ 43.591100] print_address_description+0x6c/0x20b [ 43.595915] ? skb_release_data+0x19b/0x860 [ 43.600215] kasan_report.cold.7+0x242/0x2fe [ 43.604602] check_memory_region+0x13e/0x1b0 [ 43.608988] kasan_check_write+0x14/0x20 [ 43.613024] skb_release_data+0x19b/0x860 [ 43.617148] ? skb_tx_error+0x2f0/0x2f0 [ 43.621096] ? kasan_check_read+0x11/0x20 [ 43.625220] ? rcu_is_watching+0x85/0x140 [ 43.629342] ? kasan_check_write+0x14/0x20 [ 43.633551] ? sock_rmem_free+0x6f/0x90 [ 43.637505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 43.643020] skb_release_all+0x4a/0x60 [ 43.646881] kfree_skb+0x195/0x560 [ 43.650395] ? skb_queue_purge+0x19/0x40 [ 43.654428] ? __kfree_skb+0x20/0x20 [ 43.658117] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 43.662675] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 43.667755] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.672744] ? trace_hardirqs_on+0xd/0x10 [ 43.676868] ? skb_dequeue+0x12f/0x180 [ 43.680731] skb_queue_purge+0x19/0x40 [ 43.684595] packet_sock_destruct+0x93/0x290 [ 43.688979] ? packet_mm_close+0xc0/0xc0 [ 43.693014] ? graph_lock+0x170/0x170 [ 43.696789] ? __free_object+0x16e/0x330 [ 43.700824] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 43.706074] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 43.710631] ? packet_mm_close+0xc0/0xc0 [ 43.714667] __sk_destruct+0xff/0xa40 [ 43.718441] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 43.723347] ? graph_lock+0x170/0x170 [ 43.727120] ? lock_downgrade+0x8e0/0x8e0 [ 43.731244] ? __lock_is_held+0xb5/0x140 [ 43.735281] ? kasan_check_read+0x11/0x20 [ 43.739402] ? do_raw_spin_unlock+0x9e/0x2e0 [ 43.743786] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 43.748342] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 43.753420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.758936] ? refcount_sub_and_test+0x212/0x330 [ 43.763667] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 43.768396] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 43.773125] ? pcpu_free_area+0xa90/0xa90 [ 43.777249] sk_destruct+0x78/0x90 [ 43.780763] __sk_free+0x22e/0x340 [ 43.784281] sk_free+0x42/0x50 [ 43.787448] packet_release+0xa18/0xd50 [ 43.791397] ? lock_downgrade+0x8e0/0x8e0 [ 43.795522] ? packet_lookup_frame+0x270/0x270 [ 43.800085] ? cpumask_weight.constprop.5+0x44/0x44 [ 43.805075] ? do_raw_spin_lock+0xc1/0x200 [ 43.809285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 43.814798] ? locks_remove_file+0x3f7/0x5a0 [ 43.819180] ? fcntl_setlk+0x1020/0x1020 [ 43.823219] ? fsnotify+0x415/0x1100 [ 43.826910] ? fsnotify_first_mark+0x330/0x330 [ 43.831474] sock_release+0x96/0x1b0 [ 43.835161] ? sock_alloc_file+0x4e0/0x4e0 [ 43.839370] sock_close+0x16/0x20 [ 43.842799] __fput+0x34d/0x890 [ 43.846055] ? fput+0x1a0/0x1a0 [ 43.849311] ? check_same_owner+0x320/0x320 [ 43.853610] ____fput+0x15/0x20 [ 43.856865] task_work_run+0x1e4/0x290 [ 43.860729] ? task_work_cancel+0x240/0x240 [ 43.865032] ? switch_task_namespaces+0xbd/0xd0 [ 43.869684] do_exit+0x1aee/0x2730 [ 43.873213] ? do_raw_spin_trylock+0x181/0x1b0 [ 43.877772] ? mm_update_next_owner+0x980/0x980 [ 43.882415] ? kasan_check_write+0x14/0x20 [ 43.886623] ? do_raw_spin_lock+0xc1/0x200 [ 43.890834] ? trace_hardirqs_off+0xd/0x10 [ 43.895044] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 43.900121] ? debug_check_no_obj_freed+0x2ff/0x584 [ 43.905115] ? trace_hardirqs_off+0xd/0x10 [ 43.909325] ? quarantine_put+0xeb/0x190 [ 43.913362] ? kfree+0x111/0x260 [ 43.916703] ? ___sys_sendmsg+0x31a/0x940 [ 43.920828] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.925819] ? trace_hardirqs_on+0xd/0x10 [ 43.929940] ? ___sys_sendmsg+0x31f/0x940 [ 43.934065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.939580] ? copy_msghdr_from_user+0x560/0x560 [ 43.944312] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 43.949042] ? graph_lock+0x170/0x170 [ 43.952816] ? graph_lock+0x170/0x170 [ 43.956588] ? find_held_lock+0x36/0x1c0 [ 43.960623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.966133] ? __fget_light+0x2ef/0x430 [ 43.970081] ? fget_raw+0x20/0x20 [ 43.973510] ? find_held_lock+0x36/0x1c0 [ 43.977550] ? lock_downgrade+0x8e0/0x8e0 [ 43.981670] ? handle_mm_fault+0x8c0/0xc70 [ 43.985883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 43.991397] ? sockfd_lookup_light+0xc5/0x160 [ 43.995869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.001389] ? __sys_sendmsg+0x1aa/0x270 [ 44.005422] ? SyS_shutdown+0x30/0x30 [ 44.009201] ? __do_page_fault+0x441/0xe40 [ 44.013414] do_group_exit+0x16f/0x430 [ 44.017276] ? SyS_exit+0x30/0x30 [ 44.020709] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 44.025528] ? do_syscall_64+0xb7/0x9d0 [ 44.029488] ? do_group_exit+0x430/0x430 [ 44.033524] SyS_exit_group+0x1d/0x20 [ 44.037301] do_syscall_64+0x29e/0x9d0 [ 44.041164] ? vmalloc_sync_all+0x30/0x30 [ 44.045285] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.050016] ? syscall_return_slowpath+0x5c0/0x5c0 [ 44.054918] ? syscall_return_slowpath+0x30f/0x5c0 [ 44.059822] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 44.065162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.069980] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.075142] RIP: 0033:0x441799 [ 44.078306] RSP: 002b:00007fff7a49e348 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 44.085987] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441799 [ 44.093232] RDX: 0000000000441799 RSI: 0000000000000000 RDI: 0000000000000001 [ 44.100474] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 44.107718] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402490 [ 44.114963] R13: 0000000000402520 R14: 0000000000000000 R15: 0000000000000000 [ 44.122212] [ 44.123815] Allocated by task 4415: [ 44.127416] save_stack+0x43/0xd0 [ 44.130841] kasan_kmalloc+0xc4/0xe0 [ 44.134988] __kmalloc_node_track_caller+0x47/0x70 [ 44.139895] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 44.144626] __alloc_skb+0x14d/0x780 [ 44.148310] alloc_skb_with_frags+0x137/0x760 [ 44.152775] sock_alloc_send_pskb+0x87a/0xae0 [ 44.157246] packet_sendmsg+0x1bd1/0x60b0 [ 44.161365] sock_sendmsg+0xd5/0x120 [ 44.165049] ___sys_sendmsg+0x805/0x940 [ 44.168994] __sys_sendmsg+0x115/0x270 [ 44.172854] SyS_sendmsg+0x29/0x30 [ 44.176370] do_syscall_64+0x29e/0x9d0 [ 44.180233] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.185390] [ 44.186990] Freed by task 4415: [ 44.190241] save_stack+0x43/0xd0 [ 44.193669] __kasan_slab_free+0x11a/0x170 [ 44.197876] kasan_slab_free+0xe/0x10 [ 44.201651] kfree+0xd9/0x260 [ 44.204731] skb_free_head+0x99/0xc0 [ 44.208418] skb_release_data+0x690/0x860 [ 44.212539] skb_release_all+0x4a/0x60 [ 44.216397] kfree_skb+0x195/0x560 [ 44.219912] ip6_tnl_start_xmit+0xa44/0x2290 [ 44.224293] dev_hard_start_xmit+0x264/0xc10 [ 44.228673] __dev_queue_xmit+0x2724/0x34c0 [ 44.232966] dev_queue_xmit+0x17/0x20 [ 44.236742] packet_sendmsg+0x411c/0x60b0 [ 44.240862] sock_sendmsg+0xd5/0x120 [ 44.244548] ___sys_sendmsg+0x805/0x940 [ 44.248493] __sys_sendmsg+0x115/0x270 [ 44.252351] SyS_sendmsg+0x29/0x30 [ 44.255864] do_syscall_64+0x29e/0x9d0 [ 44.259727] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.264887] [ 44.266493] The buggy address belongs to the object at ffff8801d3b05a00 [ 44.266493] which belongs to the cache kmalloc-512 of size 512 [ 44.279121] The buggy address is located 224 bytes inside of [ 44.279121] 512-byte region [ffff8801d3b05a00, ffff8801d3b05c00) [ 44.290972] The buggy address belongs to the page: [ 44.295880] page:ffffea00074ec140 count:1 mapcount:0 mapping:ffff8801d3b05000 index:0x0 [ 44.303996] flags: 0x2fffc0000000100(slab) [ 44.308206] raw: 02fffc0000000100 ffff8801d3b05000 0000000000000000 0000000100000006 [ 44.316060] raw: ffffea00074ec0e0 ffffea00074ec1a0 ffff8801dac00940 0000000000000000 [ 44.323910] page dumped because: kasan: bad access detected [ 44.329588] [ 44.331185] Memory state around the buggy address: [ 44.336085] ffff8801d3b05980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.343416] ffff8801d3b05a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.350747] >ffff8801d3b05a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.358078] ^ [ 44.364543] ffff8801d3b05b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.371874] ffff8801d3b05b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.379205] ================================================================== [ 44.386534] Disabling lock debugging due to kernel taint [ 44.392426] Kernel panic - not syncing: panic_on_warn set ... [ 44.392426] [ 44.399771] CPU: 0 PID: 4415 Comm: syzkaller619848 Tainted: G B 4.16.0+ #1 [ 44.408053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.417376] Call Trace: [ 44.419938] dump_stack+0x1b9/0x294 [ 44.423537] ? dump_stack_print_info.cold.2+0x52/0x52 [ 44.428701] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.433429] ? skb_release_data+0xd0/0x860 [ 44.437637] panic+0x22f/0x4de [ 44.440803] ? add_taint.cold.5+0x16/0x16 [ 44.444925] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.449305] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.453685] ? skb_release_data+0x19b/0x860 [ 44.457985] kasan_end_report+0x47/0x4f [ 44.461932] kasan_report.cold.7+0x76/0x2fe [ 44.466226] check_memory_region+0x13e/0x1b0 [ 44.470606] kasan_check_write+0x14/0x20 [ 44.474637] skb_release_data+0x19b/0x860 [ 44.478755] ? skb_tx_error+0x2f0/0x2f0 [ 44.482700] ? kasan_check_read+0x11/0x20 [ 44.486819] ? rcu_is_watching+0x85/0x140 [ 44.490939] ? kasan_check_write+0x14/0x20 [ 44.495146] ? sock_rmem_free+0x6f/0x90 [ 44.499094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.504602] skb_release_all+0x4a/0x60 [ 44.508464] kfree_skb+0x195/0x560 [ 44.511974] ? skb_queue_purge+0x19/0x40 [ 44.516005] ? __kfree_skb+0x20/0x20 [ 44.519691] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.524248] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 44.529323] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.534312] ? trace_hardirqs_on+0xd/0x10 [ 44.538432] ? skb_dequeue+0x12f/0x180 [ 44.542290] skb_queue_purge+0x19/0x40 [ 44.546151] packet_sock_destruct+0x93/0x290 [ 44.550530] ? packet_mm_close+0xc0/0xc0 [ 44.554562] ? graph_lock+0x170/0x170 [ 44.558338] ? __free_object+0x16e/0x330 [ 44.562371] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 44.567622] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.572175] ? packet_mm_close+0xc0/0xc0 [ 44.576208] __sk_destruct+0xff/0xa40 [ 44.579981] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 44.584883] ? graph_lock+0x170/0x170 [ 44.588658] ? lock_downgrade+0x8e0/0x8e0 [ 44.592777] ? __lock_is_held+0xb5/0x140 [ 44.596810] ? kasan_check_read+0x11/0x20 [ 44.600931] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.605313] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.609867] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 44.614944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.620458] ? refcount_sub_and_test+0x212/0x330 [ 44.625189] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 44.629919] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 44.634651] ? pcpu_free_area+0xa90/0xa90 [ 44.638774] sk_destruct+0x78/0x90 [ 44.642288] __sk_free+0x22e/0x340 [ 44.645800] sk_free+0x42/0x50 [ 44.648966] packet_release+0xa18/0xd50 [ 44.652914] ? lock_downgrade+0x8e0/0x8e0 [ 44.657038] ? packet_lookup_frame+0x270/0x270 [ 44.661595] ? cpumask_weight.constprop.5+0x44/0x44 [ 44.666583] ? do_raw_spin_lock+0xc1/0x200 [ 44.670792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.676300] ? locks_remove_file+0x3f7/0x5a0 [ 44.680680] ? fcntl_setlk+0x1020/0x1020 [ 44.684713] ? fsnotify+0x415/0x1100 [ 44.688402] ? fsnotify_first_mark+0x330/0x330 [ 44.692959] sock_release+0x96/0x1b0 [ 44.696648] ? sock_alloc_file+0x4e0/0x4e0 [ 44.700853] sock_close+0x16/0x20 [ 44.704277] __fput+0x34d/0x890 [ 44.707529] ? fput+0x1a0/0x1a0 [ 44.710782] ? check_same_owner+0x320/0x320 [ 44.715079] ____fput+0x15/0x20 [ 44.718333] task_work_run+0x1e4/0x290 [ 44.722196] ? task_work_cancel+0x240/0x240 [ 44.726492] ? switch_task_namespaces+0xbd/0xd0 [ 44.731133] do_exit+0x1aee/0x2730 [ 44.734669] ? do_raw_spin_trylock+0x181/0x1b0 [ 44.739227] ? mm_update_next_owner+0x980/0x980 [ 44.743870] ? kasan_check_write+0x14/0x20 [ 44.748075] ? do_raw_spin_lock+0xc1/0x200 [ 44.752283] ? trace_hardirqs_off+0xd/0x10 [ 44.756491] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 44.761568] ? debug_check_no_obj_freed+0x2ff/0x584 [ 44.766558] ? trace_hardirqs_off+0xd/0x10 [ 44.770766] ? quarantine_put+0xeb/0x190 [ 44.774800] ? kfree+0x111/0x260 [ 44.778138] ? ___sys_sendmsg+0x31a/0x940 [ 44.782258] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.787247] ? trace_hardirqs_on+0xd/0x10 [ 44.791370] ? ___sys_sendmsg+0x31f/0x940 [ 44.795492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.801003] ? copy_msghdr_from_user+0x560/0x560 [ 44.805734] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 44.810460] ? graph_lock+0x170/0x170 [ 44.814232] ? graph_lock+0x170/0x170 [ 44.818004] ? find_held_lock+0x36/0x1c0 [ 44.822036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.827549] ? __fget_light+0x2ef/0x430 [ 44.831496] ? fget_raw+0x20/0x20 [ 44.834921] ? find_held_lock+0x36/0x1c0 [ 44.838959] ? lock_downgrade+0x8e0/0x8e0 [ 44.843076] ? handle_mm_fault+0x8c0/0xc70 [ 44.847284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.852796] ? sockfd_lookup_light+0xc5/0x160 [ 44.857263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.862773] ? __sys_sendmsg+0x1aa/0x270 [ 44.866809] ? SyS_shutdown+0x30/0x30 [ 44.870584] ? __do_page_fault+0x441/0xe40 [ 44.874793] do_group_exit+0x16f/0x430 [ 44.878652] ? SyS_exit+0x30/0x30 [ 44.882080] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 44.886895] ? do_syscall_64+0xb7/0x9d0 [ 44.890848] ? do_group_exit+0x430/0x430 [ 44.894883] SyS_exit_group+0x1d/0x20 [ 44.898659] do_syscall_64+0x29e/0x9d0 [ 44.902517] ? vmalloc_sync_all+0x30/0x30 [ 44.906637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.911365] ? syscall_return_slowpath+0x5c0/0x5c0 [ 44.916266] ? syscall_return_slowpath+0x30f/0x5c0 [ 44.921170] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 44.926511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.931325] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.936490] RIP: 0033:0x441799 [ 44.939652] RSP: 002b:00007fff7a49e348 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 44.947331] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441799 [ 44.954579] RDX: 0000000000441799 RSI: 0000000000000000 RDI: 0000000000000001 [ 44.961832] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 44.969079] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402490 [ 44.976324] R13: 0000000000402520 R14: 0000000000000000 R15: 0000000000000000 [ 44.983982] Dumping ftrace buffer: [ 44.987495] (ftrace buffer empty) [ 44.991177] Kernel Offset: disabled [ 44.994775] Rebooting in 86400 seconds..