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: [ 29.204257] IPVS: ftp: loaded support on port[0] = 21 [ 29.392966] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.399444] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.406981] device bridge_slave_0 entered promiscuous mode [ 29.424061] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.430433] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.437553] device bridge_slave_1 entered promiscuous mode [ 29.452450] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.467871] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.507783] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.525677] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.586557] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 29.593772] team0: Port device team_slave_0 added [ 29.608871] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 29.615989] team0: Port device team_slave_1 added [ 29.631620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 29.648430] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 29.664619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 29.681387] 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 [ 29.795603] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.802071] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.809012] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.815418] 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 [ 30.214823] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 30.220933] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.262532] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.303312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.310975] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 30.353328] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 30.595108] ================================================================== [ 30.602554] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 30.609200] Write of size 4 at addr ffff8801ce768360 by task syzkaller141964/4464 [ 30.616818] [ 30.618431] CPU: 0 PID: 4464 Comm: syzkaller141964 Not tainted 4.16.0+ #1 [ 30.625333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.634672] Call Trace: [ 30.637244] dump_stack+0x1b9/0x294 [ 30.640852] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.646039] ? printk+0x9e/0xba [ 30.649300] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 30.654040] ? kasan_check_write+0x14/0x20 [ 30.658258] print_address_description+0x6c/0x20b [ 30.663081] ? skb_release_data+0x19b/0x860 [ 30.667384] kasan_report.cold.7+0x242/0x2fe [ 30.671789] check_memory_region+0x13e/0x1b0 [ 30.676178] kasan_check_write+0x14/0x20 [ 30.680226] skb_release_data+0x19b/0x860 [ 30.684357] ? skb_tx_error+0x2f0/0x2f0 [ 30.688317] ? kasan_check_read+0x11/0x20 [ 30.692445] ? rcu_is_watching+0x85/0x140 [ 30.696580] ? kasan_check_write+0x14/0x20 [ 30.700793] ? sock_rmem_free+0x6f/0x90 [ 30.704751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.710270] skb_release_all+0x4a/0x60 [ 30.714156] kfree_skb+0x195/0x560 [ 30.717676] ? skb_queue_purge+0x19/0x40 [ 30.721717] ? __kfree_skb+0x20/0x20 [ 30.725413] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 30.729979] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 30.735065] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.740063] ? trace_hardirqs_on+0xd/0x10 [ 30.744191] ? skb_dequeue+0x12f/0x180 [ 30.748061] skb_queue_purge+0x19/0x40 [ 30.751940] packet_sock_destruct+0x93/0x290 [ 30.756328] ? packet_mm_close+0xc0/0xc0 [ 30.760369] ? graph_lock+0x170/0x170 [ 30.764149] ? __free_object+0x16e/0x330 [ 30.768844] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 30.774111] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 30.778681] ? packet_mm_close+0xc0/0xc0 [ 30.782724] __sk_destruct+0xff/0xa40 [ 30.786505] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 30.791411] ? graph_lock+0x170/0x170 [ 30.795191] ? lock_downgrade+0x8e0/0x8e0 [ 30.799316] ? __lock_is_held+0xb5/0x140 [ 30.803357] ? kasan_check_read+0x11/0x20 [ 30.807483] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.811869] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 30.816440] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 30.821526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.827044] ? refcount_sub_and_test+0x212/0x330 [ 30.831782] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 30.836517] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 30.841253] ? pcpu_free_area+0xa90/0xa90 [ 30.845380] sk_destruct+0x78/0x90 [ 30.848898] __sk_free+0x22e/0x340 [ 30.852417] sk_free+0x42/0x50 [ 30.855591] packet_release+0xa18/0xd50 [ 30.859543] ? lock_downgrade+0x8e0/0x8e0 [ 30.863679] ? packet_lookup_frame+0x270/0x270 [ 30.868240] ? cpumask_weight.constprop.5+0x44/0x44 [ 30.873236] ? do_raw_spin_lock+0xc1/0x200 [ 30.877452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.882969] ? locks_remove_file+0x3f7/0x5a0 [ 30.887357] ? fcntl_setlk+0x1020/0x1020 [ 30.891571] ? fsnotify+0x415/0x1100 [ 30.895268] ? fsnotify_first_mark+0x330/0x330 [ 30.899834] sock_release+0x96/0x1b0 [ 30.903531] ? sock_alloc_file+0x4e0/0x4e0 [ 30.907744] sock_close+0x16/0x20 [ 30.911176] __fput+0x34d/0x890 [ 30.914437] ? fput+0x1a0/0x1a0 [ 30.917697] ? check_same_owner+0x320/0x320 [ 30.922009] ____fput+0x15/0x20 [ 30.925275] task_work_run+0x1e4/0x290 [ 30.929151] ? task_work_cancel+0x240/0x240 [ 30.933456] ? switch_task_namespaces+0xbd/0xd0 [ 30.938108] do_exit+0x1aee/0x2730 [ 30.941632] ? find_held_lock+0x36/0x1c0 [ 30.945674] ? mm_update_next_owner+0x980/0x980 [ 30.950323] ? kasan_check_read+0x11/0x20 [ 30.954450] ? rcu_is_watching+0x85/0x140 [ 30.958592] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.963766] ? tun_get+0x22b/0x360 [ 30.967287] ? tun_chr_close+0x180/0x180 [ 30.971330] ? tun_chr_write_iter+0x110/0x154 [ 30.975806] ? fsnotify+0x415/0x1100 [ 30.979504] ? kasan_check_read+0x11/0x20 [ 30.983632] ? rcu_is_watching+0x85/0x140 [ 30.987757] ? rcu_pm_notify+0xc0/0xc0 [ 30.991633] ? vfs_writev+0x255/0x330 [ 30.995409] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.000412] ? kfree+0x1e9/0x260 [ 31.003777] ? vfs_writev+0xfc/0x330 [ 31.007487] ? vfs_iter_write+0xb0/0xb0 [ 31.011460] ? lock_downgrade+0x8e0/0x8e0 [ 31.016039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.021563] ? sockfd_lookup_light+0xc5/0x160 [ 31.026057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.031583] ? __fdget_pos+0xd6/0x1e0 [ 31.035366] ? __fdget_raw+0x20/0x20 [ 31.039069] do_group_exit+0x16f/0x430 [ 31.042958] ? SyS_exit+0x30/0x30 [ 31.046396] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 31.051219] ? do_syscall_64+0xb7/0x9d0 [ 31.055170] ? do_group_exit+0x430/0x430 [ 31.059214] SyS_exit_group+0x1d/0x20 [ 31.062994] do_syscall_64+0x29e/0x9d0 [ 31.066863] ? vmalloc_sync_all+0x30/0x30 [ 31.070992] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.075731] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.080641] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.085550] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 31.090904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.095730] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.100899] RIP: 0033:0x4418d9 [ 31.104066] RSP: 002b:00007fffd4b86bc8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 31.111754] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004418d9 [ 31.118999] RDX: 0000000000441810 RSI: 0000000000000001 RDI: 0000000000000001 [ 31.126258] RBP: 00000000006cd018 R08: 000000037ffffa00 R09: 0000000000000003 [ 31.133515] R10: 0000000000000100 R11: 0000000000000202 R12: 00000000004025d0 [ 31.140769] R13: 0000000000402660 R14: 0000000000000000 R15: 0000000000000000 [ 31.148040] [ 31.149655] Allocated by task 4464: [ 31.153272] save_stack+0x43/0xd0 [ 31.156710] kasan_kmalloc+0xc4/0xe0 [ 31.160400] __kmalloc_node_track_caller+0x47/0x70 [ 31.165308] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 31.170047] __alloc_skb+0x14d/0x780 [ 31.173745] alloc_skb_with_frags+0x137/0x760 [ 31.178218] sock_alloc_send_pskb+0x87a/0xae0 [ 31.182779] packet_sendmsg+0x1bd1/0x60b0 [ 31.186905] sock_sendmsg+0xd5/0x120 [ 31.190596] ___sys_sendmsg+0x805/0x940 [ 31.194550] __sys_sendmsg+0x115/0x270 [ 31.198413] SyS_sendmsg+0x29/0x30 [ 31.201937] do_syscall_64+0x29e/0x9d0 [ 31.205802] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.210962] [ 31.212565] Freed by task 4464: [ 31.215820] save_stack+0x43/0xd0 [ 31.219250] __kasan_slab_free+0x11a/0x170 [ 31.223471] kasan_slab_free+0xe/0x10 [ 31.227247] kfree+0xd9/0x260 [ 31.230341] skb_free_head+0x99/0xc0 [ 31.234040] skb_release_data+0x690/0x860 [ 31.238169] skb_release_all+0x4a/0x60 [ 31.242040] kfree_skb+0x195/0x560 [ 31.245565] ip6_tnl_start_xmit+0xa44/0x2290 [ 31.249962] dev_hard_start_xmit+0x264/0xc10 [ 31.254359] __dev_queue_xmit+0x2724/0x34c0 [ 31.258665] dev_queue_xmit+0x17/0x20 [ 31.262452] packet_sendmsg+0x411c/0x60b0 [ 31.266580] sock_sendmsg+0xd5/0x120 [ 31.270273] ___sys_sendmsg+0x805/0x940 [ 31.274232] __sys_sendmsg+0x115/0x270 [ 31.278094] SyS_sendmsg+0x29/0x30 [ 31.281619] do_syscall_64+0x29e/0x9d0 [ 31.285484] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.290646] [ 31.292252] The buggy address belongs to the object at ffff8801ce768280 [ 31.292252] which belongs to the cache kmalloc-512 of size 512 [ 31.304887] The buggy address is located 224 bytes inside of [ 31.304887] 512-byte region [ffff8801ce768280, ffff8801ce768480) [ 31.316750] The buggy address belongs to the page: [ 31.321670] page:ffffea000739da00 count:1 mapcount:0 mapping:ffff8801ce768000 index:0x0 [ 31.329791] flags: 0x2fffc0000000100(slab) [ 31.334026] raw: 02fffc0000000100 ffff8801ce768000 0000000000000000 0000000100000006 [ 31.341892] raw: ffffea0007395d60 ffffea000739de60 ffff8801dac00940 0000000000000000 [ 31.349747] page dumped because: kasan: bad access detected [ 31.355430] [ 31.357035] Memory state around the buggy address: [ 31.361941] ffff8801ce768200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.369285] ffff8801ce768280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.376621] >ffff8801ce768300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.383964] ^ [ 31.390440] ffff8801ce768380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.397774] ffff8801ce768400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.405108] ================================================================== [ 31.412441] Disabling lock debugging due to kernel taint [ 31.418975] Kernel panic - not syncing: panic_on_warn set ... [ 31.418975] [ 31.426357] CPU: 0 PID: 4464 Comm: syzkaller141964 Tainted: G B 4.16.0+ #1 [ 31.434656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.443993] Call Trace: [ 31.446566] dump_stack+0x1b9/0x294 [ 31.450175] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.455342] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.460076] ? skb_release_data+0xd0/0x860 [ 31.464286] panic+0x22f/0x4de [ 31.467455] ? add_taint.cold.5+0x16/0x16 [ 31.471770] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.476157] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.480538] ? skb_release_data+0x19b/0x860 [ 31.484836] kasan_end_report+0x47/0x4f [ 31.488808] kasan_report.cold.7+0x76/0x2fe [ 31.493107] check_memory_region+0x13e/0x1b0 [ 31.497500] kasan_check_write+0x14/0x20 [ 31.501539] skb_release_data+0x19b/0x860 [ 31.505662] ? skb_tx_error+0x2f0/0x2f0 [ 31.509612] ? kasan_check_read+0x11/0x20 [ 31.513738] ? rcu_is_watching+0x85/0x140 [ 31.517865] ? kasan_check_write+0x14/0x20 [ 31.522086] ? sock_rmem_free+0x6f/0x90 [ 31.526046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.531562] skb_release_all+0x4a/0x60 [ 31.535434] kfree_skb+0x195/0x560 [ 31.538952] ? skb_queue_purge+0x19/0x40 [ 31.542988] ? __kfree_skb+0x20/0x20 [ 31.546681] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 31.551240] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 31.556328] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.561319] ? trace_hardirqs_on+0xd/0x10 [ 31.565455] ? skb_dequeue+0x12f/0x180 [ 31.569351] skb_queue_purge+0x19/0x40 [ 31.573218] packet_sock_destruct+0x93/0x290 [ 31.577608] ? packet_mm_close+0xc0/0xc0 [ 31.581648] ? graph_lock+0x170/0x170 [ 31.585433] ? __free_object+0x16e/0x330 [ 31.589471] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 31.594727] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 31.599302] ? packet_mm_close+0xc0/0xc0 [ 31.603351] __sk_destruct+0xff/0xa40 [ 31.607142] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 31.612053] ? graph_lock+0x170/0x170 [ 31.615837] ? lock_downgrade+0x8e0/0x8e0 [ 31.619966] ? __lock_is_held+0xb5/0x140 [ 31.624014] ? kasan_check_read+0x11/0x20 [ 31.628156] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.632558] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 31.637126] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 31.642209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.647724] ? refcount_sub_and_test+0x212/0x330 [ 31.652457] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 31.657192] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 31.661924] ? pcpu_free_area+0xa90/0xa90 [ 31.666057] sk_destruct+0x78/0x90 [ 31.669579] __sk_free+0x22e/0x340 [ 31.673098] sk_free+0x42/0x50 [ 31.676267] packet_release+0xa18/0xd50 [ 31.680225] ? lock_downgrade+0x8e0/0x8e0 [ 31.684351] ? packet_lookup_frame+0x270/0x270 [ 31.688912] ? cpumask_weight.constprop.5+0x44/0x44 [ 31.693905] ? do_raw_spin_lock+0xc1/0x200 [ 31.698118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.703631] ? locks_remove_file+0x3f7/0x5a0 [ 31.708022] ? fcntl_setlk+0x1020/0x1020 [ 31.712068] ? fsnotify+0x415/0x1100 [ 31.715760] ? fsnotify_first_mark+0x330/0x330 [ 31.720320] sock_release+0x96/0x1b0 [ 31.724021] ? sock_alloc_file+0x4e0/0x4e0 [ 31.728238] sock_close+0x16/0x20 [ 31.731665] __fput+0x34d/0x890 [ 31.734920] ? fput+0x1a0/0x1a0 [ 31.738178] ? check_same_owner+0x320/0x320 [ 31.742478] ____fput+0x15/0x20 [ 31.745734] task_work_run+0x1e4/0x290 [ 31.749613] ? task_work_cancel+0x240/0x240 [ 31.753912] ? switch_task_namespaces+0xbd/0xd0 [ 31.758647] do_exit+0x1aee/0x2730 [ 31.762163] ? find_held_lock+0x36/0x1c0 [ 31.766223] ? mm_update_next_owner+0x980/0x980 [ 31.770873] ? kasan_check_read+0x11/0x20 [ 31.774997] ? rcu_is_watching+0x85/0x140 [ 31.779125] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.784304] ? tun_get+0x22b/0x360 [ 31.787821] ? tun_chr_close+0x180/0x180 [ 31.791859] ? tun_chr_write_iter+0x110/0x154 [ 31.796331] ? fsnotify+0x415/0x1100 [ 31.800031] ? kasan_check_read+0x11/0x20 [ 31.804158] ? rcu_is_watching+0x85/0x140 [ 31.808297] ? rcu_pm_notify+0xc0/0xc0 [ 31.812176] ? vfs_writev+0x255/0x330 [ 31.815954] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.820947] ? kfree+0x1e9/0x260 [ 31.824296] ? vfs_writev+0xfc/0x330 [ 31.827986] ? vfs_iter_write+0xb0/0xb0 [ 31.831950] ? lock_downgrade+0x8e0/0x8e0 [ 31.836098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.841618] ? sockfd_lookup_light+0xc5/0x160 [ 31.846104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.851618] ? __fdget_pos+0xd6/0x1e0 [ 31.855398] ? __fdget_raw+0x20/0x20 [ 31.859094] do_group_exit+0x16f/0x430 [ 31.862959] ? SyS_exit+0x30/0x30 [ 31.866402] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 31.871229] ? do_syscall_64+0xb7/0x9d0 [ 31.875188] ? do_group_exit+0x430/0x430 [ 31.879226] SyS_exit_group+0x1d/0x20 [ 31.883005] do_syscall_64+0x29e/0x9d0 [ 31.886883] ? vmalloc_sync_all+0x30/0x30 [ 31.891009] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.895747] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.900656] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.905565] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 31.910904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.915724] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.920888] RIP: 0033:0x4418d9 [ 31.924060] RSP: 002b:00007fffd4b86bc8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 31.931744] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004418d9 [ 31.938988] RDX: 0000000000441810 RSI: 0000000000000001 RDI: 0000000000000001 [ 31.946235] RBP: 00000000006cd018 R08: 000000037ffffa00 R09: 0000000000000003 [ 31.953480] R10: 0000000000000100 R11: 0000000000000202 R12: 00000000004025d0 [ 31.961161] R13: 0000000000402660 R14: 0000000000000000 R15: 0000000000000000 [ 31.968905] Dumping ftrace buffer: [ 31.972430] (ftrace buffer empty) [ 31.976113] Kernel Offset: disabled [ 31.979716] Rebooting in 86400 seconds..