[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.951719] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.520166] random: sshd: uninitialized urandom read (32 bytes read) [ 21.940674] random: sshd: uninitialized urandom read (32 bytes read) [ 22.732841] random: sshd: uninitialized urandom read (32 bytes read) [ 32.012143] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.58' (ECDSA) to the list of known hosts. [ 37.483131] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 37.569781] ================================================================== [ 37.577213] BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x30f4/0x3520 [ 37.584376] Read of size 4 at addr ffff8801b229f370 by task syz-executor707/4532 [ 37.591879] [ 37.593489] CPU: 0 PID: 4532 Comm: syz-executor707 Not tainted 4.17.0-rc4+ #44 [ 37.600820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.610147] Call Trace: [ 37.612711] dump_stack+0x1b9/0x294 [ 37.616317] ? dump_stack_print_info.cold.2+0x52/0x52 [ 37.621487] ? printk+0x9e/0xba [ 37.624746] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 37.629489] ? kasan_check_write+0x14/0x20 [ 37.633703] print_address_description+0x6c/0x20b [ 37.638524] ? xfrm_state_find+0x30f4/0x3520 [ 37.642917] kasan_report.cold.7+0x242/0x2fe [ 37.647304] __asan_report_load4_noabort+0x14/0x20 [ 37.652210] xfrm_state_find+0x30f4/0x3520 [ 37.656428] ? print_usage_bug+0xc0/0xc0 [ 37.660467] ? kernel_poison_pages+0x136/0x220 [ 37.665037] ? xfrm_state_afinfo_get_rcu+0x1a0/0x1a0 [ 37.670119] ? debug_check_no_locks_freed+0x310/0x310 [ 37.675298] ? debug_check_no_locks_freed+0x310/0x310 [ 37.680468] ? find_held_lock+0x36/0x1c0 [ 37.684509] ? print_usage_bug+0xc0/0xc0 [ 37.688551] ? graph_lock+0x170/0x170 [ 37.692330] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.697849] ? kernel_poison_pages+0x136/0x220 [ 37.702414] ? kasan_unpoison_shadow+0x35/0x50 [ 37.706976] ? kasan_alloc_pages+0x38/0x40 [ 37.711187] ? graph_lock+0x170/0x170 [ 37.714966] ? __update_load_avg_se.isra.34+0x61e/0x980 [ 37.720308] ? kasan_check_read+0x11/0x20 [ 37.724432] ? __lock_acquire+0x28fb/0x5140 [ 37.728735] ? print_usage_bug+0xc0/0xc0 [ 37.732777] ? debug_check_no_locks_freed+0x310/0x310 [ 37.737953] xfrm_tmpl_resolve+0x380/0xe10 [ 37.742175] ? __xfrm_decode_session+0x140/0x140 [ 37.746911] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 37.751991] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.756985] ? graph_lock+0x170/0x170 [ 37.760769] ? trace_hardirqs_on+0xd/0x10 [ 37.764898] ? depot_save_stack+0x26b/0x450 [ 37.769199] ? save_stack+0xa9/0xd0 [ 37.772805] xfrm_resolve_and_create_bundle+0x184/0x2bc0 [ 37.778232] ? find_held_lock+0x36/0x1c0 [ 37.782275] ? graph_lock+0x170/0x170 [ 37.786054] ? xfrm_migrate+0x19b0/0x19b0 [ 37.790179] ? do_raw_spin_unlock+0x9e/0x2e0 [ 37.794568] ? __local_bh_enable_ip+0x161/0x230 [ 37.799214] ? find_held_lock+0x36/0x1c0 [ 37.803257] ? lock_downgrade+0x8e0/0x8e0 [ 37.807384] ? kasan_check_read+0x11/0x20 [ 37.811512] ? rcu_is_watching+0x85/0x140 [ 37.815639] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 37.820807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.826322] ? security_xfrm_policy_lookup+0x9e/0xd0 [ 37.831407] ? xfrm_sk_policy_lookup+0x491/0x5f0 [ 37.836142] ? xfrm_selector_match+0xf90/0xf90 [ 37.840702] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 37.845695] xfrm_lookup+0x3b1/0x2860 [ 37.849474] ? xfrm_lookup+0x3b1/0x2860 [ 37.853432] ? graph_lock+0x170/0x170 [ 37.857214] ? xfrm_policy_lookup+0x70/0x70 [ 37.861523] ? ip_route_input_noref+0x250/0x250 [ 37.866177] ? find_held_lock+0x36/0x1c0 [ 37.870222] ? lock_downgrade+0x8e0/0x8e0 [ 37.874365] ? kasan_check_read+0x11/0x20 [ 37.878488] ? rcu_is_watching+0x85/0x140 [ 37.882616] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 37.887787] ? ip_route_output_key_hash+0x293/0x390 [ 37.892781] ? ip_route_output_key_hash_rcu+0x3380/0x3380 [ 37.898302] xfrm_lookup_route+0x39/0x1f0 [ 37.902437] ip_route_output_flow+0xb1/0xc0 [ 37.906740] udp_sendmsg+0x2014/0x36e0 [ 37.910604] ? __lock_acquire+0x7f5/0x5140 [ 37.914820] ? ip_reply_glue_bits+0xc0/0xc0 [ 37.919124] ? udp4_lib_lookup2+0x340/0x340 [ 37.923423] ? __lock_acquire+0x7f5/0x5140 [ 37.927635] ? graph_lock+0x170/0x170 [ 37.931421] ? debug_check_no_locks_freed+0x310/0x310 [ 37.936588] ? debug_check_no_locks_freed+0x310/0x310 [ 37.941767] ? mark_held_locks+0xc9/0x160 [ 37.945896] ? __local_bh_enable_ip+0x161/0x230 [ 37.950540] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.955531] ? udp_lib_get_port+0x8dd/0x1b40 [ 37.959920] udpv6_sendmsg+0x173b/0x32a0 [ 37.963956] ? graph_lock+0x170/0x170 [ 37.967734] ? udp_lib_get_port+0x8e2/0x1b40 [ 37.972125] ? udpv6_queue_rcv_skb+0x1530/0x1530 [ 37.976857] ? graph_lock+0x170/0x170 [ 37.980635] ? graph_lock+0x170/0x170 [ 37.984423] ? find_held_lock+0x36/0x1c0 [ 37.988465] ? find_held_lock+0x36/0x1c0 [ 37.992510] ? lock_downgrade+0x8e0/0x8e0 [ 37.996638] ? lock_downgrade+0x8e0/0x8e0 [ 38.000767] ? kasan_check_read+0x11/0x20 [ 38.004891] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.009281] ? __local_bh_enable_ip+0x161/0x230 [ 38.013928] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.018932] ? release_sock+0x1e2/0x2b0 [ 38.022900] ? trace_hardirqs_on+0xd/0x10 [ 38.027036] ? __local_bh_enable_ip+0x161/0x230 [ 38.031716] ? _raw_spin_unlock_bh+0x30/0x40 [ 38.036110] ? release_sock+0x1e2/0x2b0 [ 38.040065] ? __release_sock+0x3a0/0x3a0 [ 38.044196] ? udp_v6_get_port+0x273/0x660 [ 38.048412] inet_sendmsg+0x19f/0x690 [ 38.052195] ? udpv6_queue_rcv_skb+0x1530/0x1530 [ 38.056931] ? inet_sendmsg+0x19f/0x690 [ 38.060887] ? copy_msghdr_from_user+0x3a0/0x560 [ 38.065627] ? ipip_gro_receive+0x100/0x100 [ 38.069929] ? move_addr_to_kernel.part.18+0x100/0x100 [ 38.075182] ? sock_alloc_file+0x1f3/0x4e0 [ 38.079400] ? security_socket_sendmsg+0x94/0xc0 [ 38.084137] ? ipip_gro_receive+0x100/0x100 [ 38.088437] sock_sendmsg+0xd5/0x120 [ 38.092129] ___sys_sendmsg+0x525/0x940 [ 38.096085] ? copy_msghdr_from_user+0x560/0x560 [ 38.100818] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.105814] ? graph_lock+0x170/0x170 [ 38.109593] ? pud_val+0x80/0xf0 [ 38.112938] ? pmd_val+0xf0/0xf0 [ 38.116309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.121828] ? __fget_light+0x2ef/0x430 [ 38.125781] ? __handle_mm_fault+0x93a/0x4310 [ 38.130255] ? fget_raw+0x20/0x20 [ 38.133688] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 38.138442] ? graph_lock+0x170/0x170 [ 38.142229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.147747] ? sockfd_lookup_light+0xc5/0x160 [ 38.152221] __sys_sendmmsg+0x240/0x6f0 [ 38.156175] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 38.160476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.165988] ? ipv6_setsockopt+0x84/0x170 [ 38.170119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.175633] ? __sys_setsockopt+0x24f/0x390 [ 38.179932] ? kernel_accept+0x310/0x310 [ 38.183972] ? mm_fault_error+0x380/0x380 [ 38.188102] __x64_sys_sendmmsg+0x9d/0x100 [ 38.192316] do_syscall_64+0x1b1/0x800 [ 38.196186] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 38.201004] ? syscall_return_slowpath+0x5c0/0x5c0 [ 38.205910] ? syscall_return_slowpath+0x30f/0x5c0 [ 38.210821] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 38.216162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.220986] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.226154] RIP: 0033:0x43ffd9 [ 38.229320] RSP: 002b:00007fff45aee188 EFLAGS: 00000217 ORIG_RAX: 0000000000000133 [ 38.237009] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ffd9 [ 38.244254] RDX: 0000000000000001 RSI: 0000000020002000 RDI: 0000000000000003 [ 38.251503] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 38.258749] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401900 [ 38.265994] R13: 0000000000401990 R14: 0000000000000000 R15: 0000000000000000 [ 38.273245] [ 38.274846] The buggy address belongs to the page: [ 38.279757] page:ffffea0006c8a7c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0 [ 38.287875] flags: 0x2fffc0000000000() [ 38.291741] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff [ 38.299599] raw: 0000000000000000 ffffea0006c80101 0000000000000000 0000000000000000 [ 38.307449] page dumped because: kasan: bad access detected [ 38.313138] [ 38.314742] Memory state around the buggy address: [ 38.319645] ffff8801b229f200: f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 f8 f2 f2 f2 f2 [ 38.326980] ffff8801b229f280: f2 f2 f2 00 00 00 00 f2 f2 f2 f2 00 00 00 00 00 [ 38.334313] >ffff8801b229f300: f2 f2 f2 f2 f2 f2 f2 00 00 00 00 00 00 00 f2 f2 [ 38.341650] ^ [ 38.348640] ffff8801b229f380: f2 f2 f2 00 00 00 00 00 00 00 00 00 f2 f2 f2 00 [ 38.355977] ffff8801b229f400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 38.363316] ================================================================== [ 38.370650] Disabling lock debugging due to kernel taint [ 38.376104] Kernel panic - not syncing: panic_on_warn set ... [ 38.376104] [ 38.383446] CPU: 0 PID: 4532 Comm: syz-executor707 Tainted: G B 4.17.0-rc4+ #44 [ 38.392166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.401493] Call Trace: [ 38.404059] dump_stack+0x1b9/0x294 [ 38.407663] ? dump_stack_print_info.cold.2+0x52/0x52 [ 38.412832] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.417564] ? xfrm_state_find+0x30f0/0x3520 [ 38.421948] panic+0x22f/0x4de [ 38.425119] ? add_taint.cold.5+0x16/0x16 [ 38.429244] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.433627] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.438010] ? xfrm_state_find+0x30f4/0x3520 [ 38.442395] kasan_end_report+0x47/0x4f [ 38.446348] kasan_report.cold.7+0x76/0x2fe [ 38.450645] __asan_report_load4_noabort+0x14/0x20 [ 38.455550] xfrm_state_find+0x30f4/0x3520 [ 38.459759] ? print_usage_bug+0xc0/0xc0 [ 38.463805] ? kernel_poison_pages+0x136/0x220 [ 38.468368] ? xfrm_state_afinfo_get_rcu+0x1a0/0x1a0 [ 38.473444] ? debug_check_no_locks_freed+0x310/0x310 [ 38.478613] ? debug_check_no_locks_freed+0x310/0x310 [ 38.483779] ? find_held_lock+0x36/0x1c0 [ 38.487826] ? print_usage_bug+0xc0/0xc0 [ 38.491863] ? graph_lock+0x170/0x170 [ 38.495640] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.501153] ? kernel_poison_pages+0x136/0x220 [ 38.505708] ? kasan_unpoison_shadow+0x35/0x50 [ 38.510267] ? kasan_alloc_pages+0x38/0x40 [ 38.514476] ? graph_lock+0x170/0x170 [ 38.518254] ? __update_load_avg_se.isra.34+0x61e/0x980 [ 38.523595] ? kasan_check_read+0x11/0x20 [ 38.527718] ? __lock_acquire+0x28fb/0x5140 [ 38.532014] ? print_usage_bug+0xc0/0xc0 [ 38.536052] ? debug_check_no_locks_freed+0x310/0x310 [ 38.541220] xfrm_tmpl_resolve+0x380/0xe10 [ 38.545436] ? __xfrm_decode_session+0x140/0x140 [ 38.550169] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 38.555248] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.560241] ? graph_lock+0x170/0x170 [ 38.564016] ? trace_hardirqs_on+0xd/0x10 [ 38.568141] ? depot_save_stack+0x26b/0x450 [ 38.572446] ? save_stack+0xa9/0xd0 [ 38.576049] xfrm_resolve_and_create_bundle+0x184/0x2bc0 [ 38.581474] ? find_held_lock+0x36/0x1c0 [ 38.585511] ? graph_lock+0x170/0x170 [ 38.589287] ? xfrm_migrate+0x19b0/0x19b0 [ 38.593411] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.597795] ? __local_bh_enable_ip+0x161/0x230 [ 38.602440] ? find_held_lock+0x36/0x1c0 [ 38.606479] ? lock_downgrade+0x8e0/0x8e0 [ 38.610603] ? kasan_check_read+0x11/0x20 [ 38.614726] ? rcu_is_watching+0x85/0x140 [ 38.618856] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 38.624021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.629541] ? security_xfrm_policy_lookup+0x9e/0xd0 [ 38.634621] ? xfrm_sk_policy_lookup+0x491/0x5f0 [ 38.639757] ? xfrm_selector_match+0xf90/0xf90 [ 38.644319] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 38.649314] xfrm_lookup+0x3b1/0x2860 [ 38.653090] ? xfrm_lookup+0x3b1/0x2860 [ 38.657049] ? graph_lock+0x170/0x170 [ 38.660826] ? xfrm_policy_lookup+0x70/0x70 [ 38.665124] ? ip_route_input_noref+0x250/0x250 [ 38.669774] ? find_held_lock+0x36/0x1c0 [ 38.673813] ? lock_downgrade+0x8e0/0x8e0 [ 38.677938] ? kasan_check_read+0x11/0x20 [ 38.682060] ? rcu_is_watching+0x85/0x140 [ 38.686183] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 38.691350] ? ip_route_output_key_hash+0x293/0x390 [ 38.696347] ? ip_route_output_key_hash_rcu+0x3380/0x3380 [ 38.701861] xfrm_lookup_route+0x39/0x1f0 [ 38.705991] ip_route_output_flow+0xb1/0xc0 [ 38.710300] udp_sendmsg+0x2014/0x36e0 [ 38.714174] ? __lock_acquire+0x7f5/0x5140 [ 38.718386] ? ip_reply_glue_bits+0xc0/0xc0 [ 38.722684] ? udp4_lib_lookup2+0x340/0x340 [ 38.726979] ? __lock_acquire+0x7f5/0x5140 [ 38.731188] ? graph_lock+0x170/0x170 [ 38.734966] ? debug_check_no_locks_freed+0x310/0x310 [ 38.740129] ? debug_check_no_locks_freed+0x310/0x310 [ 38.745308] ? mark_held_locks+0xc9/0x160 [ 38.749458] ? __local_bh_enable_ip+0x161/0x230 [ 38.754105] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.759098] ? udp_lib_get_port+0x8dd/0x1b40 [ 38.763487] udpv6_sendmsg+0x173b/0x32a0 [ 38.767536] ? graph_lock+0x170/0x170 [ 38.771321] ? udp_lib_get_port+0x8e2/0x1b40 [ 38.775709] ? udpv6_queue_rcv_skb+0x1530/0x1530 [ 38.780440] ? graph_lock+0x170/0x170 [ 38.784214] ? graph_lock+0x170/0x170 [ 38.787989] ? find_held_lock+0x36/0x1c0 [ 38.792026] ? find_held_lock+0x36/0x1c0 [ 38.796063] ? lock_downgrade+0x8e0/0x8e0 [ 38.800185] ? lock_downgrade+0x8e0/0x8e0 [ 38.804313] ? kasan_check_read+0x11/0x20 [ 38.808437] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.812819] ? __local_bh_enable_ip+0x161/0x230 [ 38.817463] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.822453] ? release_sock+0x1e2/0x2b0 [ 38.826399] ? trace_hardirqs_on+0xd/0x10 [ 38.830521] ? __local_bh_enable_ip+0x161/0x230 [ 38.835166] ? _raw_spin_unlock_bh+0x30/0x40 [ 38.839550] ? release_sock+0x1e2/0x2b0 [ 38.843501] ? __release_sock+0x3a0/0x3a0 [ 38.847625] ? udp_v6_get_port+0x273/0x660 [ 38.851850] inet_sendmsg+0x19f/0x690 [ 38.855626] ? udpv6_queue_rcv_skb+0x1530/0x1530 [ 38.860362] ? inet_sendmsg+0x19f/0x690 [ 38.864314] ? copy_msghdr_from_user+0x3a0/0x560 [ 38.869043] ? ipip_gro_receive+0x100/0x100 [ 38.873340] ? move_addr_to_kernel.part.18+0x100/0x100 [ 38.878593] ? sock_alloc_file+0x1f3/0x4e0 [ 38.882806] ? security_socket_sendmsg+0x94/0xc0 [ 38.887536] ? ipip_gro_receive+0x100/0x100 [ 38.891832] sock_sendmsg+0xd5/0x120 [ 38.895523] ___sys_sendmsg+0x525/0x940 [ 38.899474] ? copy_msghdr_from_user+0x560/0x560 [ 38.904210] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.909199] ? graph_lock+0x170/0x170 [ 38.912977] ? pud_val+0x80/0xf0 [ 38.916321] ? pmd_val+0xf0/0xf0 [ 38.919667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.925178] ? __fget_light+0x2ef/0x430 [ 38.929137] ? __handle_mm_fault+0x93a/0x4310 [ 38.933610] ? fget_raw+0x20/0x20 [ 38.937050] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 38.941780] ? graph_lock+0x170/0x170 [ 38.945561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.951074] ? sockfd_lookup_light+0xc5/0x160 [ 38.955543] __sys_sendmmsg+0x240/0x6f0 [ 38.959501] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 38.963799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.969313] ? ipv6_setsockopt+0x84/0x170 [ 38.973440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.978951] ? __sys_setsockopt+0x24f/0x390 [ 38.983248] ? kernel_accept+0x310/0x310 [ 38.987287] ? mm_fault_error+0x380/0x380 [ 38.991414] __x64_sys_sendmmsg+0x9d/0x100 [ 38.995632] do_syscall_64+0x1b1/0x800 [ 38.999501] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 39.004324] ? syscall_return_slowpath+0x5c0/0x5c0 [ 39.009228] ? syscall_return_slowpath+0x30f/0x5c0 [ 39.014134] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 39.019473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.024298] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.029460] RIP: 0033:0x43ffd9 [ 39.032624] RSP: 002b:00007fff45aee188 EFLAGS: 00000217 ORIG_RAX: 0000000000000133 [ 39.040306] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ffd9 [ 39.047551] RDX: 0000000000000001 RSI: 0000000020002000 RDI: 0000000000000003 [ 39.054798] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 39.062052] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401900 [ 39.069314] R13: 0000000000401990 R14: 0000000000000000 R15: 0000000000000000 [ 39.077261] Dumping ftrace buffer: [ 39.080780] (ftrace buffer empty) [ 39.084477] Kernel Offset: disabled [ 39.088090] Rebooting in 86400 seconds..