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 '10.128.0.25' (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: [ 43.434617] IPVS: ftp: loaded support on port[0] = 21 [ 43.609056] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.615472] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.622567] device bridge_slave_0 entered promiscuous mode [ 43.636611] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.642955] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.649733] device bridge_slave_1 entered promiscuous mode [ 43.663032] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.677830] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.713598] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.721915] ip (4533) used greatest stack depth: 17016 bytes left [ 43.730072] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.783473] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.790588] team0: Port device team_slave_0 added [ 43.803375] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.810352] team0: Port device team_slave_1 added [ 43.823138] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.837977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.853214] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.868412] 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 [ 43.969192] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.975598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.982286] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.988621] 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 [ 44.343392] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 44.349485] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.386533] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.424696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.431781] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.469281] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.475353] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.560488] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 44.706104] ================================================================== [ 44.713527] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 44.720167] Write of size 4 at addr ffff8801c92bd120 by task syzkaller802908/4486 [ 44.727756] [ 44.729362] CPU: 0 PID: 4486 Comm: syzkaller802908 Not tainted 4.16.0+ #2 [ 44.736260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.745586] Call Trace: [ 44.748149] dump_stack+0x1b9/0x294 [ 44.751752] ? dump_stack_print_info.cold.2+0x52/0x52 [ 44.756920] ? printk+0x9e/0xba [ 44.760176] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 44.764908] ? kasan_check_write+0x14/0x20 [ 44.769119] print_address_description+0x6c/0x20b [ 44.773938] ? skb_release_data+0x19b/0x860 [ 44.778235] kasan_report.cold.7+0x242/0x2fe [ 44.782625] check_memory_region+0x13e/0x1b0 [ 44.787010] kasan_check_write+0x14/0x20 [ 44.791047] skb_release_data+0x19b/0x860 [ 44.795177] ? skb_tx_error+0x2f0/0x2f0 [ 44.799127] ? kasan_check_read+0x11/0x20 [ 44.803255] ? rcu_is_watching+0x85/0x140 [ 44.807380] ? kasan_check_write+0x14/0x20 [ 44.811594] ? sock_rmem_free+0x6f/0x90 [ 44.815546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.821059] skb_release_all+0x4a/0x60 [ 44.824922] kfree_skb+0x195/0x560 [ 44.828437] ? skb_queue_purge+0x19/0x40 [ 44.832470] ? __kfree_skb+0x20/0x20 [ 44.836160] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.840720] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 44.845797] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.850792] ? trace_hardirqs_on+0xd/0x10 [ 44.854920] ? skb_dequeue+0x12f/0x180 [ 44.858787] skb_queue_purge+0x19/0x40 [ 44.862654] packet_sock_destruct+0x93/0x290 [ 44.867040] ? packet_mm_close+0xc0/0xc0 [ 44.871073] ? graph_lock+0x170/0x170 [ 44.874850] ? __free_object+0x16e/0x330 [ 44.878888] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 44.884141] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.888699] ? packet_mm_close+0xc0/0xc0 [ 44.892734] __sk_destruct+0xff/0xa40 [ 44.896510] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 44.901416] ? graph_lock+0x170/0x170 [ 44.905191] ? lock_downgrade+0x8e0/0x8e0 [ 44.909313] ? __lock_is_held+0xb5/0x140 [ 44.913355] ? kasan_check_read+0x11/0x20 [ 44.917482] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.921864] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.926423] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 44.931500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.937015] ? refcount_sub_and_test+0x212/0x330 [ 44.941747] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 44.946479] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 44.951210] ? pcpu_free_area+0xa90/0xa90 [ 44.955337] sk_destruct+0x78/0x90 [ 44.958856] __sk_free+0x22e/0x340 [ 44.962373] sk_free+0x42/0x50 [ 44.965542] packet_release+0xa18/0xd50 [ 44.969489] ? lock_downgrade+0x8e0/0x8e0 [ 44.973614] ? packet_lookup_frame+0x270/0x270 [ 44.978174] ? cpumask_weight.constprop.5+0x44/0x44 [ 44.983166] ? do_raw_spin_lock+0xc1/0x200 [ 44.987379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.992893] ? locks_remove_file+0x3f7/0x5a0 [ 44.997275] ? fcntl_setlk+0x1020/0x1020 [ 45.001312] ? fsnotify+0x415/0x1100 [ 45.005006] ? fsnotify_first_mark+0x330/0x330 [ 45.009564] sock_release+0x96/0x1b0 [ 45.013252] ? sock_alloc_file+0x4e0/0x4e0 [ 45.017460] sock_close+0x16/0x20 [ 45.020890] __fput+0x34d/0x890 [ 45.024146] ? fput+0x1a0/0x1a0 [ 45.027404] ? check_same_owner+0x320/0x320 [ 45.031704] ____fput+0x15/0x20 [ 45.034956] task_work_run+0x1e4/0x290 [ 45.038819] ? task_work_cancel+0x240/0x240 [ 45.043117] ? switch_task_namespaces+0xbd/0xd0 [ 45.047765] do_exit+0x1aee/0x2730 [ 45.051287] ? mm_update_next_owner+0x980/0x980 [ 45.055932] ? finish_mkwrite_fault+0x610/0x610 [ 45.060577] ? debug_check_no_locks_freed+0x310/0x310 [ 45.065743] ? kasan_check_read+0x11/0x20 [ 45.069866] ? rcu_is_watching+0x85/0x140 [ 45.073992] ? lock_acquire+0x1dc/0x520 [ 45.077945] ? lock_release+0xa10/0xa10 [ 45.081894] ? tun_chr_close+0x180/0x180 [ 45.085932] ? kasan_check_write+0x14/0x20 [ 45.090140] ? do_raw_spin_lock+0xc1/0x200 [ 45.094353] ? __handle_mm_fault+0x88c/0x4150 [ 45.098829] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 45.103564] ? graph_lock+0x170/0x170 [ 45.107337] ? rcu_is_watching+0x85/0x140 [ 45.111461] ? graph_lock+0x170/0x170 [ 45.115239] ? find_held_lock+0x36/0x1c0 [ 45.119279] ? find_held_lock+0x36/0x1c0 [ 45.123318] ? lock_downgrade+0x8e0/0x8e0 [ 45.127439] ? handle_mm_fault+0x8c0/0xc70 [ 45.131654] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 45.137166] ? handle_mm_fault+0x55a/0xc70 [ 45.141376] ? __handle_mm_fault+0x4150/0x4150 [ 45.145937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.151450] ? __do_page_fault+0x441/0xe40 [ 45.155662] do_group_exit+0x16f/0x430 [ 45.159526] ? SyS_exit+0x30/0x30 [ 45.162955] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 45.167773] ? do_syscall_64+0xb7/0x9d0 [ 45.171729] ? do_group_exit+0x430/0x430 [ 45.175768] SyS_exit_group+0x1d/0x20 [ 45.179546] do_syscall_64+0x29e/0x9d0 [ 45.183406] ? vmalloc_sync_all+0x30/0x30 [ 45.187531] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.192265] ? syscall_return_slowpath+0x5c0/0x5c0 [ 45.197171] ? syscall_return_slowpath+0x30f/0x5c0 [ 45.202076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.207590] ? retint_user+0x18/0x18 [ 45.211280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.216102] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.221265] RIP: 0033:0x441799 [ 45.224430] RSP: 002b:00007ffde7cc9228 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 45.232112] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441799 [ 45.239356] RDX: 00000000004416d0 RSI: 0000000000000001 RDI: 0000000000000001 [ 45.246604] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 45.253845] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402490 [ 45.261093] R13: 0000000000402520 R14: 0000000000000000 R15: 0000000000000000 [ 45.268343] [ 45.269953] Allocated by task 4486: [ 45.273556] save_stack+0x43/0xd0 [ 45.276981] kasan_kmalloc+0xc4/0xe0 [ 45.280671] __kmalloc_node_track_caller+0x47/0x70 [ 45.285575] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 45.290303] __alloc_skb+0x14d/0x780 [ 45.293990] alloc_skb_with_frags+0x137/0x760 [ 45.298459] sock_alloc_send_pskb+0x87a/0xae0 [ 45.302929] packet_sendmsg+0x1bd1/0x60b0 [ 45.307050] sock_sendmsg+0xd5/0x120 [ 45.310737] ___sys_sendmsg+0x805/0x940 [ 45.314688] __sys_sendmsg+0x115/0x270 [ 45.318550] SyS_sendmsg+0x29/0x30 [ 45.322064] do_syscall_64+0x29e/0x9d0 [ 45.325925] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.331093] [ 45.332693] Freed by task 4486: [ 45.335946] save_stack+0x43/0xd0 [ 45.339374] __kasan_slab_free+0x11a/0x170 [ 45.343583] kasan_slab_free+0xe/0x10 [ 45.347358] kfree+0xd9/0x260 [ 45.350435] skb_free_head+0x99/0xc0 [ 45.354122] skb_release_data+0x690/0x860 [ 45.358241] skb_release_all+0x4a/0x60 [ 45.362102] kfree_skb+0x195/0x560 [ 45.365625] ip6_tnl_start_xmit+0xa44/0x2290 [ 45.370007] dev_hard_start_xmit+0x264/0xc10 [ 45.374387] __dev_queue_xmit+0x2724/0x34c0 [ 45.378686] dev_queue_xmit+0x17/0x20 [ 45.382459] packet_sendmsg+0x411c/0x60b0 [ 45.386580] sock_sendmsg+0xd5/0x120 [ 45.390266] ___sys_sendmsg+0x805/0x940 [ 45.394213] __sys_sendmsg+0x115/0x270 [ 45.398073] SyS_sendmsg+0x29/0x30 [ 45.401586] do_syscall_64+0x29e/0x9d0 [ 45.405462] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.410628] [ 45.412237] The buggy address belongs to the object at ffff8801c92bd040 [ 45.412237] which belongs to the cache kmalloc-512 of size 512 [ 45.424872] The buggy address is located 224 bytes inside of [ 45.424872] 512-byte region [ffff8801c92bd040, ffff8801c92bd240) [ 45.436718] The buggy address belongs to the page: [ 45.441633] page:ffffea000724af40 count:1 mapcount:0 mapping:ffff8801c92bd040 index:0x0 [ 45.449757] flags: 0x2fffc0000000100(slab) [ 45.453970] raw: 02fffc0000000100 ffff8801c92bd040 0000000000000000 0000000100000006 [ 45.461828] raw: ffffea00071d0ba0 ffffea00075a1ae0 ffff8801dac00940 0000000000000000 [ 45.469684] page dumped because: kasan: bad access detected [ 45.475364] [ 45.476967] Memory state around the buggy address: [ 45.481873] ffff8801c92bd000: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 45.489208] ffff8801c92bd080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.496544] >ffff8801c92bd100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.503875] ^ [ 45.508260] ffff8801c92bd180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.515594] ffff8801c92bd200: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 45.522926] ================================================================== [ 45.530258] Disabling lock debugging due to kernel taint [ 45.536270] Kernel panic - not syncing: panic_on_warn set ... [ 45.536270] [ 45.543641] CPU: 0 PID: 4486 Comm: syzkaller802908 Tainted: G B 4.16.0+ #2 [ 45.551943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.561270] Call Trace: [ 45.563837] dump_stack+0x1b9/0x294 [ 45.567440] ? dump_stack_print_info.cold.2+0x52/0x52 [ 45.572609] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.577340] ? skb_release_data+0xd0/0x860 [ 45.581548] panic+0x22f/0x4de [ 45.584715] ? add_taint.cold.5+0x16/0x16 [ 45.588841] ? do_raw_spin_unlock+0x9e/0x2e0 [ 45.593224] ? do_raw_spin_unlock+0x9e/0x2e0 [ 45.597617] ? skb_release_data+0x19b/0x860 [ 45.601914] kasan_end_report+0x47/0x4f [ 45.605864] kasan_report.cold.7+0x76/0x2fe [ 45.610163] check_memory_region+0x13e/0x1b0 [ 45.614546] kasan_check_write+0x14/0x20 [ 45.618582] skb_release_data+0x19b/0x860 [ 45.622704] ? skb_tx_error+0x2f0/0x2f0 [ 45.626652] ? kasan_check_read+0x11/0x20 [ 45.630774] ? rcu_is_watching+0x85/0x140 [ 45.634895] ? kasan_check_write+0x14/0x20 [ 45.639104] ? sock_rmem_free+0x6f/0x90 [ 45.643055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.648568] skb_release_all+0x4a/0x60 [ 45.652429] kfree_skb+0x195/0x560 [ 45.655941] ? skb_queue_purge+0x19/0x40 [ 45.659974] ? __kfree_skb+0x20/0x20 [ 45.663663] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 45.668221] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 45.673297] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.678287] ? trace_hardirqs_on+0xd/0x10 [ 45.682408] ? skb_dequeue+0x12f/0x180 [ 45.686270] skb_queue_purge+0x19/0x40 [ 45.690134] packet_sock_destruct+0x93/0x290 [ 45.694519] ? packet_mm_close+0xc0/0xc0 [ 45.698552] ? graph_lock+0x170/0x170 [ 45.702327] ? __free_object+0x16e/0x330 [ 45.706361] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 45.711610] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 45.716170] ? packet_mm_close+0xc0/0xc0 [ 45.720204] __sk_destruct+0xff/0xa40 [ 45.723981] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 45.728884] ? graph_lock+0x170/0x170 [ 45.732659] ? lock_downgrade+0x8e0/0x8e0 [ 45.736784] ? __lock_is_held+0xb5/0x140 [ 45.740821] ? kasan_check_read+0x11/0x20 [ 45.744944] ? do_raw_spin_unlock+0x9e/0x2e0 [ 45.749329] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 45.753886] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 45.758964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.764480] ? refcount_sub_and_test+0x212/0x330 [ 45.769210] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 45.773940] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 45.778671] ? pcpu_free_area+0xa90/0xa90 [ 45.782795] sk_destruct+0x78/0x90 [ 45.786309] __sk_free+0x22e/0x340 [ 45.789825] sk_free+0x42/0x50 [ 45.792993] packet_release+0xa18/0xd50 [ 45.796945] ? lock_downgrade+0x8e0/0x8e0 [ 45.801068] ? packet_lookup_frame+0x270/0x270 [ 45.805628] ? cpumask_weight.constprop.5+0x44/0x44 [ 45.810620] ? do_raw_spin_lock+0xc1/0x200 [ 45.814829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.820341] ? locks_remove_file+0x3f7/0x5a0 [ 45.824724] ? fcntl_setlk+0x1020/0x1020 [ 45.828763] ? fsnotify+0x415/0x1100 [ 45.832454] ? fsnotify_first_mark+0x330/0x330 [ 45.837015] sock_release+0x96/0x1b0 [ 45.840707] ? sock_alloc_file+0x4e0/0x4e0 [ 45.844917] sock_close+0x16/0x20 [ 45.848345] __fput+0x34d/0x890 [ 45.851600] ? fput+0x1a0/0x1a0 [ 45.854857] ? check_same_owner+0x320/0x320 [ 45.859154] ____fput+0x15/0x20 [ 45.862407] task_work_run+0x1e4/0x290 [ 45.866270] ? task_work_cancel+0x240/0x240 [ 45.870568] ? switch_task_namespaces+0xbd/0xd0 [ 45.875211] do_exit+0x1aee/0x2730 [ 45.878730] ? mm_update_next_owner+0x980/0x980 [ 45.883374] ? finish_mkwrite_fault+0x610/0x610 [ 45.888024] ? debug_check_no_locks_freed+0x310/0x310 [ 45.893189] ? kasan_check_read+0x11/0x20 [ 45.897311] ? rcu_is_watching+0x85/0x140 [ 45.901435] ? lock_acquire+0x1dc/0x520 [ 45.905383] ? lock_release+0xa10/0xa10 [ 45.909332] ? tun_chr_close+0x180/0x180 [ 45.913368] ? kasan_check_write+0x14/0x20 [ 45.917579] ? do_raw_spin_lock+0xc1/0x200 [ 45.921790] ? __handle_mm_fault+0x88c/0x4150 [ 45.926260] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 45.930990] ? graph_lock+0x170/0x170 [ 45.934773] ? rcu_is_watching+0x85/0x140 [ 45.938895] ? graph_lock+0x170/0x170 [ 45.942669] ? find_held_lock+0x36/0x1c0 [ 45.946709] ? find_held_lock+0x36/0x1c0 [ 45.950750] ? lock_downgrade+0x8e0/0x8e0 [ 45.954870] ? handle_mm_fault+0x8c0/0xc70 [ 45.959079] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 45.964591] ? handle_mm_fault+0x55a/0xc70 [ 45.968799] ? __handle_mm_fault+0x4150/0x4150 [ 45.973357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.978867] ? __do_page_fault+0x441/0xe40 [ 45.983076] do_group_exit+0x16f/0x430 [ 45.986938] ? SyS_exit+0x30/0x30 [ 45.990369] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 45.995185] ? do_syscall_64+0xb7/0x9d0 [ 45.999133] ? do_group_exit+0x430/0x430 [ 46.003170] SyS_exit_group+0x1d/0x20 [ 46.006946] do_syscall_64+0x29e/0x9d0 [ 46.010807] ? vmalloc_sync_all+0x30/0x30 [ 46.014931] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 46.019661] ? syscall_return_slowpath+0x5c0/0x5c0 [ 46.024566] ? syscall_return_slowpath+0x30f/0x5c0 [ 46.029471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.034982] ? retint_user+0x18/0x18 [ 46.038671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.043488] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.048650] RIP: 0033:0x441799 [ 46.051815] RSP: 002b:00007ffde7cc9228 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 46.059502] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441799 [ 46.066747] RDX: 00000000004416d0 RSI: 0000000000000001 RDI: 0000000000000001 [ 46.073988] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 46.081233] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402490 [ 46.088480] R13: 0000000000402520 R14: 0000000000000000 R15: 0000000000000000 [ 46.096170] Dumping ftrace buffer: [ 46.099685] (ftrace buffer empty) [ 46.103366] Kernel Offset: disabled [ 46.106968] Rebooting in 86400 seconds..