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 '10.128.0.44' (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: [ 25.921309] IPVS: ftp: loaded support on port[0] = 21 [ 26.111561] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.118004] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.125510] device bridge_slave_0 entered promiscuous mode [ 26.140976] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.147358] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.154770] device bridge_slave_1 entered promiscuous mode [ 26.169825] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.185244] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.225529] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 26.242831] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 26.301259] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 26.308503] team0: Port device team_slave_0 added [ 26.323406] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 26.330468] team0: Port device team_slave_1 added [ 26.345666] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 26.356381] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 26.373460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.390117] 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 [ 26.505618] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.512142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.519193] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.525601] 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 [ 26.921668] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 26.927777] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.968241] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 27.008171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.016063] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 27.053865] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 27.060064] 8021q: adding VLAN 0 to HW filter on device team0 [ 27.066550] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 27.316141] ================================================================== [ 27.323584] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 27.330229] Write of size 4 at addr ffff8801d47fd8e0 by task syzkaller262884/4537 [ 27.337831] [ 27.339444] CPU: 0 PID: 4537 Comm: syzkaller262884 Not tainted 4.16.0+ #2 [ 27.346349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.355696] Call Trace: [ 27.358361] dump_stack+0x1b9/0x294 [ 27.361973] ? dump_stack_print_info.cold.2+0x52/0x52 [ 27.367141] ? printk+0x9e/0xba [ 27.370403] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 27.375140] ? kasan_check_write+0x14/0x20 [ 27.379364] print_address_description+0x6c/0x20b [ 27.384186] ? skb_release_data+0x19b/0x860 [ 27.388488] kasan_report.cold.7+0x242/0x2fe [ 27.392882] check_memory_region+0x13e/0x1b0 [ 27.397269] kasan_check_write+0x14/0x20 [ 27.401306] skb_release_data+0x19b/0x860 [ 27.405434] ? skb_tx_error+0x2f0/0x2f0 [ 27.409397] ? kasan_check_read+0x11/0x20 [ 27.413529] ? rcu_is_watching+0x85/0x140 [ 27.417655] ? kasan_check_write+0x14/0x20 [ 27.421870] ? sock_rmem_free+0x6f/0x90 [ 27.425824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.431338] skb_release_all+0x4a/0x60 [ 27.435204] kfree_skb+0x195/0x560 [ 27.438726] ? skb_queue_purge+0x19/0x40 [ 27.442763] ? __kfree_skb+0x20/0x20 [ 27.446457] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 27.451029] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 27.456116] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.461108] ? trace_hardirqs_on+0xd/0x10 [ 27.465234] ? skb_dequeue+0x12f/0x180 [ 27.469099] skb_queue_purge+0x19/0x40 [ 27.472966] packet_sock_destruct+0x93/0x290 [ 27.477357] ? packet_mm_close+0xc0/0xc0 [ 27.481402] ? graph_lock+0x170/0x170 [ 27.485182] ? __free_object+0x16e/0x330 [ 27.489222] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 27.494484] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 27.499053] ? packet_mm_close+0xc0/0xc0 [ 27.503106] __sk_destruct+0xff/0xa40 [ 27.506908] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 27.511818] ? graph_lock+0x170/0x170 [ 27.515598] ? lock_downgrade+0x8e0/0x8e0 [ 27.519726] ? __lock_is_held+0xb5/0x140 [ 27.523770] ? kasan_check_read+0x11/0x20 [ 27.527897] ? do_raw_spin_unlock+0x9e/0x2e0 [ 27.532285] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 27.536845] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 27.541927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.547453] ? refcount_sub_and_test+0x212/0x330 [ 27.552191] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 27.556928] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 27.561664] ? pcpu_free_area+0xa90/0xa90 [ 27.565794] sk_destruct+0x78/0x90 [ 27.569313] __sk_free+0x22e/0x340 [ 27.572832] sk_free+0x42/0x50 [ 27.576010] packet_release+0xa18/0xd50 [ 27.579969] ? lock_downgrade+0x8e0/0x8e0 [ 27.584099] ? packet_lookup_frame+0x270/0x270 [ 27.588662] ? cpumask_weight.constprop.5+0x44/0x44 [ 27.593657] ? do_raw_spin_lock+0xc1/0x200 [ 27.597872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.603389] ? locks_remove_file+0x3f7/0x5a0 [ 27.607779] ? fcntl_setlk+0x1020/0x1020 [ 27.611822] ? fsnotify+0x415/0x1100 [ 27.615522] ? fsnotify_first_mark+0x330/0x330 [ 27.620083] sock_release+0x96/0x1b0 [ 27.623783] ? sock_alloc_file+0x4e0/0x4e0 [ 27.628011] sock_close+0x16/0x20 [ 27.631452] __fput+0x34d/0x890 [ 27.634712] ? fput+0x1a0/0x1a0 [ 27.637975] ? check_same_owner+0x320/0x320 [ 27.642281] ____fput+0x15/0x20 [ 27.645542] task_work_run+0x1e4/0x290 [ 27.649410] ? task_work_cancel+0x240/0x240 [ 27.653721] ? switch_task_namespaces+0xbd/0xd0 [ 27.658373] do_exit+0x1aee/0x2730 [ 27.661895] ? lock_release+0xa10/0xa10 [ 27.665859] ? mm_update_next_owner+0x980/0x980 [ 27.670518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.676123] ? import_iovec+0x24b/0x420 [ 27.680081] ? dup_iter+0x270/0x270 [ 27.683689] ? kasan_check_read+0x11/0x20 [ 27.687819] ? rcu_is_watching+0x85/0x140 [ 27.691948] ? rcu_pm_notify+0xc0/0xc0 [ 27.695823] ? ___sys_sendmsg+0x31a/0x940 [ 27.699951] ? kfree+0x1e9/0x260 [ 27.703298] ? ___sys_sendmsg+0x31f/0x940 [ 27.707432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.712950] ? copy_msghdr_from_user+0x560/0x560 [ 27.717693] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 27.722427] ? graph_lock+0x170/0x170 [ 27.726213] ? graph_lock+0x170/0x170 [ 27.729995] ? find_held_lock+0x36/0x1c0 [ 27.734051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.739568] ? __fget_light+0x2ef/0x430 [ 27.743529] ? fget_raw+0x20/0x20 [ 27.746974] ? find_held_lock+0x36/0x1c0 [ 27.751044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.756560] ? sockfd_lookup_light+0xc5/0x160 [ 27.761048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.766569] ? __sys_sendmsg+0x1aa/0x270 [ 27.770609] ? SyS_shutdown+0x30/0x30 [ 27.774395] ? __do_page_fault+0x441/0xe40 [ 27.778609] do_group_exit+0x16f/0x430 [ 27.782478] ? SyS_exit+0x30/0x30 [ 27.785913] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 27.790736] ? do_syscall_64+0xb7/0x9d0 [ 27.794695] ? do_group_exit+0x430/0x430 [ 27.798739] SyS_exit_group+0x1d/0x20 [ 27.802517] do_syscall_64+0x29e/0x9d0 [ 27.806382] ? vmalloc_sync_all+0x30/0x30 [ 27.810515] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.815258] ? syscall_return_slowpath+0x5c0/0x5c0 [ 27.820174] ? syscall_return_slowpath+0x30f/0x5c0 [ 27.825088] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 27.831061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.835902] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 27.841069] RIP: 0033:0x4417a9 [ 27.844237] RSP: 002b:00007ffd8ddbbd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 27.851925] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004417a9 [ 27.859176] RDX: 00000000004417a9 RSI: 0000000000000000 RDI: 0000000000000001 [ 27.866422] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 27.873671] R10: 0000000000000000 R11: 0000000000000206 R12: 00000000004024a0 [ 27.880925] R13: 0000000000402530 R14: 0000000000000000 R15: 0000000000000000 [ 27.888179] [ 27.889786] Allocated by task 4537: [ 27.893395] save_stack+0x43/0xd0 [ 27.896824] kasan_kmalloc+0xc4/0xe0 [ 27.900523] __kmalloc_node_track_caller+0x47/0x70 [ 27.905431] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 27.910163] __alloc_skb+0x14d/0x780 [ 27.913854] alloc_skb_with_frags+0x137/0x760 [ 27.918325] sock_alloc_send_pskb+0x87a/0xae0 [ 27.922803] packet_sendmsg+0x1bd1/0x60b0 [ 27.926935] sock_sendmsg+0xd5/0x120 [ 27.930626] ___sys_sendmsg+0x805/0x940 [ 27.934577] __sys_sendmsg+0x115/0x270 [ 27.938440] SyS_sendmsg+0x29/0x30 [ 27.941959] do_syscall_64+0x29e/0x9d0 [ 27.945828] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 27.950989] [ 27.952596] Freed by task 4537: [ 27.955854] save_stack+0x43/0xd0 [ 27.959290] __kasan_slab_free+0x11a/0x170 [ 27.963500] kasan_slab_free+0xe/0x10 [ 27.967276] kfree+0xd9/0x260 [ 27.970357] skb_free_head+0x99/0xc0 [ 27.974049] skb_release_data+0x690/0x860 [ 27.978172] skb_release_all+0x4a/0x60 [ 27.982038] kfree_skb+0x195/0x560 [ 27.985559] ip6_tnl_start_xmit+0xa44/0x2290 [ 27.989944] dev_hard_start_xmit+0x264/0xc10 [ 27.994329] __dev_queue_xmit+0x2724/0x34c0 [ 27.998626] dev_queue_xmit+0x17/0x20 [ 28.002403] packet_sendmsg+0x411c/0x60b0 [ 28.006528] sock_sendmsg+0xd5/0x120 [ 28.010224] ___sys_sendmsg+0x805/0x940 [ 28.014178] __sys_sendmsg+0x115/0x270 [ 28.018043] SyS_sendmsg+0x29/0x30 [ 28.021567] do_syscall_64+0x29e/0x9d0 [ 28.025443] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 28.030605] [ 28.032220] The buggy address belongs to the object at ffff8801d47fd800 [ 28.032220] which belongs to the cache kmalloc-512 of size 512 [ 28.044856] The buggy address is located 224 bytes inside of [ 28.044856] 512-byte region [ffff8801d47fd800, ffff8801d47fda00) [ 28.056709] The buggy address belongs to the page: [ 28.061619] page:ffffea000751ff40 count:1 mapcount:0 mapping:ffff8801d47fd080 index:0x0 [ 28.069746] flags: 0x2fffc0000000100(slab) [ 28.073965] raw: 02fffc0000000100 ffff8801d47fd080 0000000000000000 0000000100000006 [ 28.081827] raw: ffffea000751ff20 ffffea0007500060 ffff8801dac00940 0000000000000000 [ 28.089684] page dumped because: kasan: bad access detected [ 28.095368] [ 28.096976] Memory state around the buggy address: [ 28.101882] ffff8801d47fd780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.109219] ffff8801d47fd800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.116554] >ffff8801d47fd880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.123886] ^ [ 28.130353] ffff8801d47fd900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.137690] ffff8801d47fd980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.145029] ================================================================== [ 28.152367] Disabling lock debugging due to kernel taint [ 28.158225] Kernel panic - not syncing: panic_on_warn set ... [ 28.158225] [ 28.165600] CPU: 0 PID: 4537 Comm: syzkaller262884 Tainted: G B 4.16.0+ #2 [ 28.173906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.183236] Call Trace: [ 28.185804] dump_stack+0x1b9/0x294 [ 28.189414] ? dump_stack_print_info.cold.2+0x52/0x52 [ 28.194579] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.199313] ? skb_release_data+0xd0/0x860 [ 28.203523] panic+0x22f/0x4de [ 28.206698] ? add_taint.cold.5+0x16/0x16 [ 28.210825] ? do_raw_spin_unlock+0x9e/0x2e0 [ 28.215209] ? do_raw_spin_unlock+0x9e/0x2e0 [ 28.219599] ? skb_release_data+0x19b/0x860 [ 28.223912] kasan_end_report+0x47/0x4f [ 28.227861] kasan_report.cold.7+0x76/0x2fe [ 28.232158] check_memory_region+0x13e/0x1b0 [ 28.236556] kasan_check_write+0x14/0x20 [ 28.240596] skb_release_data+0x19b/0x860 [ 28.244721] ? skb_tx_error+0x2f0/0x2f0 [ 28.248677] ? kasan_check_read+0x11/0x20 [ 28.252807] ? rcu_is_watching+0x85/0x140 [ 28.256929] ? kasan_check_write+0x14/0x20 [ 28.261144] ? sock_rmem_free+0x6f/0x90 [ 28.265095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 28.270606] skb_release_all+0x4a/0x60 [ 28.274475] kfree_skb+0x195/0x560 [ 28.277991] ? skb_queue_purge+0x19/0x40 [ 28.282035] ? __kfree_skb+0x20/0x20 [ 28.285724] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 28.290284] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 28.295361] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.300351] ? trace_hardirqs_on+0xd/0x10 [ 28.304474] ? skb_dequeue+0x12f/0x180 [ 28.308336] skb_queue_purge+0x19/0x40 [ 28.312203] packet_sock_destruct+0x93/0x290 [ 28.316588] ? packet_mm_close+0xc0/0xc0 [ 28.320626] ? graph_lock+0x170/0x170 [ 28.324404] ? __free_object+0x16e/0x330 [ 28.328441] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 28.333701] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 28.338264] ? packet_mm_close+0xc0/0xc0 [ 28.342302] __sk_destruct+0xff/0xa40 [ 28.346080] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 28.350985] ? graph_lock+0x170/0x170 [ 28.354764] ? lock_downgrade+0x8e0/0x8e0 [ 28.358888] ? __lock_is_held+0xb5/0x140 [ 28.362928] ? kasan_check_read+0x11/0x20 [ 28.367064] ? do_raw_spin_unlock+0x9e/0x2e0 [ 28.371450] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 28.376016] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 28.381117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.386632] ? refcount_sub_and_test+0x212/0x330 [ 28.391365] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 28.396099] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 28.400829] ? pcpu_free_area+0xa90/0xa90 [ 28.404959] sk_destruct+0x78/0x90 [ 28.408492] __sk_free+0x22e/0x340 [ 28.412024] sk_free+0x42/0x50 [ 28.415196] packet_release+0xa18/0xd50 [ 28.419146] ? lock_downgrade+0x8e0/0x8e0 [ 28.423270] ? packet_lookup_frame+0x270/0x270 [ 28.427828] ? cpumask_weight.constprop.5+0x44/0x44 [ 28.432820] ? do_raw_spin_lock+0xc1/0x200 [ 28.437038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 28.442553] ? locks_remove_file+0x3f7/0x5a0 [ 28.446943] ? fcntl_setlk+0x1020/0x1020 [ 28.450979] ? fsnotify+0x415/0x1100 [ 28.454670] ? fsnotify_first_mark+0x330/0x330 [ 28.459230] sock_release+0x96/0x1b0 [ 28.462924] ? sock_alloc_file+0x4e0/0x4e0 [ 28.467139] sock_close+0x16/0x20 [ 28.470566] __fput+0x34d/0x890 [ 28.473822] ? fput+0x1a0/0x1a0 [ 28.477078] ? check_same_owner+0x320/0x320 [ 28.481375] ____fput+0x15/0x20 [ 28.484631] task_work_run+0x1e4/0x290 [ 28.488493] ? task_work_cancel+0x240/0x240 [ 28.492791] ? switch_task_namespaces+0xbd/0xd0 [ 28.497703] do_exit+0x1aee/0x2730 [ 28.501220] ? lock_release+0xa10/0xa10 [ 28.505172] ? mm_update_next_owner+0x980/0x980 [ 28.509820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 28.515333] ? import_iovec+0x24b/0x420 [ 28.519283] ? dup_iter+0x270/0x270 [ 28.522889] ? kasan_check_read+0x11/0x20 [ 28.527018] ? rcu_is_watching+0x85/0x140 [ 28.531147] ? rcu_pm_notify+0xc0/0xc0 [ 28.535021] ? ___sys_sendmsg+0x31a/0x940 [ 28.539145] ? kfree+0x1e9/0x260 [ 28.542488] ? ___sys_sendmsg+0x31f/0x940 [ 28.546612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.552124] ? copy_msghdr_from_user+0x560/0x560 [ 28.556856] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 28.561591] ? graph_lock+0x170/0x170 [ 28.565376] ? graph_lock+0x170/0x170 [ 28.569151] ? find_held_lock+0x36/0x1c0 [ 28.573188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.578702] ? __fget_light+0x2ef/0x430 [ 28.582658] ? fget_raw+0x20/0x20 [ 28.586087] ? find_held_lock+0x36/0x1c0 [ 28.590127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 28.595638] ? sockfd_lookup_light+0xc5/0x160 [ 28.600110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.605620] ? __sys_sendmsg+0x1aa/0x270 [ 28.609659] ? SyS_shutdown+0x30/0x30 [ 28.613436] ? __do_page_fault+0x441/0xe40 [ 28.617649] do_group_exit+0x16f/0x430 [ 28.621514] ? SyS_exit+0x30/0x30 [ 28.624953] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 28.629770] ? do_syscall_64+0xb7/0x9d0 [ 28.633722] ? do_group_exit+0x430/0x430 [ 28.637759] SyS_exit_group+0x1d/0x20 [ 28.641538] do_syscall_64+0x29e/0x9d0 [ 28.645400] ? vmalloc_sync_all+0x30/0x30 [ 28.649523] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.654253] ? syscall_return_slowpath+0x5c0/0x5c0 [ 28.659169] ? syscall_return_slowpath+0x30f/0x5c0 [ 28.664098] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 28.669441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.674260] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 28.679424] RIP: 0033:0x4417a9 [ 28.682589] RSP: 002b:00007ffd8ddbbd58 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 28.690271] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004417a9 [ 28.697518] RDX: 00000000004417a9 RSI: 0000000000000000 RDI: 0000000000000001 [ 28.704761] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 28.712007] R10: 0000000000000000 R11: 0000000000000206 R12: 00000000004024a0 [ 28.719258] R13: 0000000000402530 R14: 0000000000000000 R15: 0000000000000000 [ 28.726947] Dumping ftrace buffer: [ 28.730467] (ftrace buffer empty) [ 28.734152] Kernel Offset: disabled [ 28.737761] Rebooting in 86400 seconds..