[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 18.855711] audit: type=1400 audit(1521935158.426:6): avc: denied { map } for pid=4161 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts. syzkaller login: [ 30.627570] audit: type=1400 audit(1521935170.198:7): avc: denied { map } for pid=4177 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/03/24 23:46:10 parsed 1 programs 2018/03/24 23:46:10 executed programs: 0 [ 30.872274] audit: type=1400 audit(1521935170.442:8): avc: denied { map } for pid=4177 comm="syz-execprog" path="/root/syzkaller-shm860451540" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 30.897839] audit: type=1400 audit(1521935170.467:9): avc: denied { sys_admin } for pid=4182 comm="syz-executor0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 30.900735] IPVS: ftp: loaded support on port[0] = 21 [ 30.952218] IPVS: ftp: loaded support on port[0] = 21 [ 30.961358] audit: type=1400 audit(1521935170.532:10): avc: denied { sys_chroot } for pid=4184 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 30.982145] IPVS: ftp: loaded support on port[0] = 21 [ 30.985754] audit: type=1400 audit(1521935170.532:11): avc: denied { net_admin } for pid=4184 comm="syz-executor0" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 31.014629] IPVS: ftp: loaded support on port[0] = 21 [ 31.046268] IPVS: ftp: loaded support on port[0] = 21 [ 31.052690] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 31.069241] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.107298] IPVS: ftp: loaded support on port[0] = 21 [ 31.122984] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.163677] IPVS: ftp: loaded support on port[0] = 21 [ 31.215909] IPVS: ftp: loaded support on port[0] = 21 [ 31.245278] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.351683] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.353222] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 31.370464] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.377495] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 31.448990] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.513290] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.522102] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 31.575181] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.579308] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 31.636145] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.641340] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 31.751126] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 31.759146] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 31.851294] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 31.885262] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.920267] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 31.955480] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 31.972460] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 31.989640] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 32.002272] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 32.060120] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 32.068464] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -9 [ 32.068728] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 32.211300] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 32.218884] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 32.299166] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 32.308787] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 32.325997] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 32.369117] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 32.516100] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 32.539418] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 32.624585] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 32.666307] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 32.806146] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 33.080716] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 33.148243] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 33.176384] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 33.184577] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 33.259480] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 33.557671] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 33.563494] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 33.634609] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 33.645679] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 33.659623] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 33.667929] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 33.710121] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 33.712618] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 33.851931] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 33.873692] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 33.906184] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 34.013787] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 34.068401] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 34.223759] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 34.411574] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 34.442256] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 34.553468] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 34.680648] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 34.773322] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 34.810634] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 34.887929] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 35.078231] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 35.172653] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 35.203457] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 35.380115] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 35.412780] l2tp_core: tunl 2: sockfd_lookup(fd=7) returned -9 [ 35.479733] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 35.510624] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 35.522919] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 35.625186] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 35.691307] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 35.749763] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 35.761364] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 35.805115] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 2018/03/24 23:46:15 executed programs: 513 [ 35.863704] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 36.064548] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 36.245511] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 36.288879] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 36.292796] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 36.435353] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 36.619075] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 36.654112] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 36.777562] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 36.904670] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 37.055661] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.114842] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.382618] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.462591] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.468693] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 37.492650] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.572845] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 37.588154] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.638559] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.766066] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.806728] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 37.812966] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 37.978871] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 38.013593] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 38.089109] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 38.114133] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 38.228416] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 38.232230] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 38.298976] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 38.394624] l2tp_core: tunl 2: sockfd_lookup(fd=9) returned -9 [ 38.474936] l2tp_core: tunl 2: sockfd_lookup(fd=8) returned -9 [ 38.478097] l2tp_core: tunl 2: sockfd_lookup(fd=5) returned -88 [ 38.555018] ================================================================== [ 38.562557] BUG: KASAN: use-after-free in pppol2tp_connect+0x1a98/0x1dd0 [ 38.569403] Read of size 8 at addr ffff8801d6d51b28 by task syz-executor5/6569 [ 38.576755] [ 38.578384] CPU: 0 PID: 6569 Comm: syz-executor5 Not tainted 4.16.0-rc6+ #275 [ 38.585650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.594997] Call Trace: [ 38.597585] dump_stack+0x194/0x24d [ 38.601226] ? arch_local_irq_restore+0x53/0x53 [ 38.605896] ? show_regs_print_info+0x18/0x18 [ 38.610406] ? lock_release+0xa40/0xa40 [ 38.614384] ? pppol2tp_connect+0x1a98/0x1dd0 [ 38.618882] print_address_description+0x73/0x250 [ 38.623731] ? pppol2tp_connect+0x1a98/0x1dd0 [ 38.628230] kasan_report+0x23c/0x360 [ 38.632048] __asan_report_load8_noabort+0x14/0x20 [ 38.637241] pppol2tp_connect+0x1a98/0x1dd0 [ 38.641598] ? pppol2tp_recv_payload_hook+0x1b0/0x1b0 [ 38.648114] ? selinux_netlbl_socket_connect+0x76/0x1b0 [ 38.653494] ? selinux_socket_connect+0x311/0x730 [ 38.658343] ? lock_downgrade+0x980/0x980 [ 38.662511] ? selinux_socket_setsockopt+0x80/0x80 [ 38.667444] ? lock_release+0xa40/0xa40 [ 38.671419] ? retint_kernel+0x10/0x10 [ 38.675399] ? security_socket_connect+0x89/0xb0 [ 38.680171] SYSC_connect+0x213/0x4a0 [ 38.683990] ? SYSC_bind+0x410/0x410 [ 38.687717] ? get_unused_fd_flags+0x121/0x190 [ 38.692309] ? __alloc_fd+0x750/0x750 [ 38.696163] ? compat_SyS_get_robust_list+0x300/0x300 [ 38.701350] ? SyS_socket+0x12d/0x1d0 [ 38.705163] ? move_addr_to_kernel+0x60/0x60 [ 38.709600] SyS_connect+0x24/0x30 [ 38.713143] ? SyS_accept+0x30/0x30 [ 38.716864] do_fast_syscall_32+0x3ec/0xf9f [ 38.721182] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.725703] ? do_int80_syscall_32+0x9c0/0x9c0 [ 38.730274] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.734751] ? finish_task_switch+0x1c1/0x7e0 [ 38.739234] ? syscall_return_slowpath+0x2ac/0x550 [ 38.744144] ? prepare_exit_to_usermode+0x350/0x350 [ 38.749152] ? sysret32_from_system_call+0x5/0x3c [ 38.753994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.758832] entry_SYSENTER_compat+0x70/0x7f [ 38.763217] RIP: 0023:0xf7fa1c99 [ 38.766556] RSP: 002b:00000000f7f9d09c EFLAGS: 00000286 ORIG_RAX: 000000000000016a [ 38.774257] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000020e92000 [ 38.781515] RDX: 000000000000002e RSI: 0000000000000000 RDI: 0000000000000000 [ 38.788761] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.796010] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 38.803265] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 38.810545] [ 38.812150] Allocated by task 6569: [ 38.815758] save_stack+0x43/0xd0 [ 38.819187] kasan_kmalloc+0xad/0xe0 [ 38.822875] kasan_slab_alloc+0x12/0x20 [ 38.826824] kmem_cache_alloc+0x12e/0x760 [ 38.830951] sk_prot_alloc+0x65/0x2a0 [ 38.834732] sk_alloc+0x105/0x1440 [ 38.838245] inet_create+0x47c/0xf50 [ 38.841932] __sock_create+0x4d4/0x850 [ 38.845794] SyS_socket+0xeb/0x1d0 [ 38.849308] do_fast_syscall_32+0x3ec/0xf9f [ 38.853605] entry_SYSENTER_compat+0x70/0x7f [ 38.857987] [ 38.859592] Freed by task 47: [ 38.862685] save_stack+0x43/0xd0 [ 38.866114] __kasan_slab_free+0x11a/0x170 [ 38.870322] kasan_slab_free+0xe/0x10 [ 38.874096] kmem_cache_free+0x83/0x2a0 [ 38.878050] __sk_destruct+0x628/0x920 [ 38.881913] sk_destruct+0x47/0x80 [ 38.885425] __sk_free+0xf1/0x2b0 [ 38.888865] sk_free+0x2a/0x40 [ 38.892041] l2tp_tunnel_del_work+0x474/0x6a0 [ 38.896520] process_one_work+0xc47/0x1bb0 [ 38.900729] worker_thread+0x223/0x1990 [ 38.904676] kthread+0x33c/0x400 [ 38.908024] ret_from_fork+0x3a/0x50 [ 38.911718] [ 38.913325] The buggy address belongs to the object at ffff8801d6d51900 [ 38.913325] which belongs to the cache UDP of size 1472 [ 38.925358] The buggy address is located 552 bytes inside of [ 38.925358] 1472-byte region [ffff8801d6d51900, ffff8801d6d51ec0) [ 38.937302] The buggy address belongs to the page: [ 38.942211] page:ffffea00075b5400 count:1 mapcount:0 mapping:ffff8801d6d50000 index:0x0 compound_mapcount: 0 [ 38.952180] flags: 0x2fffc0000008100(slab|head) [ 38.956827] raw: 02fffc0000008100 ffff8801d6d50000 0000000000000000 0000000100000005 [ 38.964684] raw: ffffea0006c5a220 ffffea00075b0da0 ffff8801d5ba9c80 0000000000000000 [ 38.972538] page dumped because: kasan: bad access detected [ 38.978277] [ 38.979882] Memory state around the buggy address: [ 38.984794] ffff8801d6d51a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.992141] ffff8801d6d51a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.999473] >ffff8801d6d51b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.006803] ^ [ 39.011444] ffff8801d6d51b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.018776] ffff8801d6d51c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.026107] ================================================================== [ 39.033442] Disabling lock debugging due to kernel taint [ 39.039068] Kernel panic - not syncing: panic_on_warn set ... [ 39.039068] [ 39.046423] CPU: 0 PID: 6569 Comm: syz-executor5 Tainted: G B 4.16.0-rc6+ #275 [ 39.054973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.064299] Call Trace: [ 39.066868] dump_stack+0x194/0x24d [ 39.070481] ? arch_local_irq_restore+0x53/0x53 [ 39.075130] ? kasan_end_report+0x32/0x50 [ 39.079260] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.083993] ? vsnprintf+0x1ed/0x1900 [ 39.087775] ? pppol2tp_connect+0x1a00/0x1dd0 [ 39.092249] panic+0x1e4/0x41c [ 39.095423] ? refcount_error_report+0x214/0x214 [ 39.100180] ? pppol2tp_connect+0x1a98/0x1dd0 [ 39.104654] kasan_end_report+0x50/0x50 [ 39.108604] kasan_report+0x149/0x360 [ 39.112394] __asan_report_load8_noabort+0x14/0x20 [ 39.117302] pppol2tp_connect+0x1a98/0x1dd0 [ 39.121628] ? pppol2tp_recv_payload_hook+0x1b0/0x1b0 [ 39.126802] ? selinux_netlbl_socket_connect+0x76/0x1b0 [ 39.132149] ? selinux_socket_connect+0x311/0x730 [ 39.136970] ? lock_downgrade+0x980/0x980 [ 39.141103] ? selinux_socket_setsockopt+0x80/0x80 [ 39.146008] ? lock_release+0xa40/0xa40 [ 39.149960] ? retint_kernel+0x10/0x10 [ 39.153878] ? security_socket_connect+0x89/0xb0 [ 39.158633] SYSC_connect+0x213/0x4a0 [ 39.162420] ? SYSC_bind+0x410/0x410 [ 39.166118] ? get_unused_fd_flags+0x121/0x190 [ 39.170679] ? __alloc_fd+0x750/0x750 [ 39.174481] ? compat_SyS_get_robust_list+0x300/0x300 [ 39.179646] ? SyS_socket+0x12d/0x1d0 [ 39.183428] ? move_addr_to_kernel+0x60/0x60 [ 39.187825] SyS_connect+0x24/0x30 [ 39.191345] ? SyS_accept+0x30/0x30 [ 39.194950] do_fast_syscall_32+0x3ec/0xf9f [ 39.199245] ? _raw_spin_unlock_irq+0x27/0x70 [ 39.203732] ? do_int80_syscall_32+0x9c0/0x9c0 [ 39.208290] ? _raw_spin_unlock_irq+0x27/0x70 [ 39.212764] ? finish_task_switch+0x1c1/0x7e0 [ 39.217244] ? syscall_return_slowpath+0x2ac/0x550 [ 39.222156] ? prepare_exit_to_usermode+0x350/0x350 [ 39.227152] ? sysret32_from_system_call+0x5/0x3c [ 39.231980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.236811] entry_SYSENTER_compat+0x70/0x7f [ 39.241200] RIP: 0023:0xf7fa1c99 [ 39.244537] RSP: 002b:00000000f7f9d09c EFLAGS: 00000286 ORIG_RAX: 000000000000016a [ 39.252223] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000020e92000 [ 39.259470] RDX: 000000000000002e RSI: 0000000000000000 RDI: 0000000000000000 [ 39.266715] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 39.273960] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 39.281206] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.288890] Dumping ftrace buffer: [ 39.292403] (ftrace buffer empty) [ 39.296087] Kernel Offset: disabled [ 39.299693] Rebooting in 86400 seconds..