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 '10.128.0.47' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 43.959207] sysfs: cannot create duplicate filename '/fs/gfs2/.' [ 43.959570] gfs2: can't find protocol lock_noSock [ 43.965609] CPU: 1 PID: 4478 Comm: syzkaller666675 Not tainted 4.16.0+ #11 [ 43.975483] sysfs: cannot create duplicate filename '/fs/gfs2/.' [ 43.977522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.977528] Call Trace: [ 43.977549] dump_stack+0x1a7/0x27d [ 43.977563] ? arch_local_irq_restore+0x53/0x53 [ 44.003916] ? trace_hardirqs_on+0xd/0x10 [ 44.008067] ? sysfs_warn_dup+0x6c/0xa0 [ 44.012040] sysfs_warn_dup+0x83/0xa0 [ 44.015837] sysfs_create_dir_ns+0x178/0x1d0 [ 44.020244] kobject_add_internal+0x335/0xbc0 [ 44.024733] ? kobj_ns_type_registered+0x50/0x50 [ 44.029487] ? kfree_const+0x31/0x40 [ 44.033198] ? rcu_read_lock_sched_held+0x108/0x120 [ 44.038210] ? kfree+0x1f6/0x260 [ 44.041571] ? kfree_const+0x36/0x40 [ 44.045282] kobject_init_and_add+0xf9/0x150 [ 44.049688] ? kset_create_and_add+0x170/0x170 [ 44.054269] ? vsnprintf+0x1ed/0x1900 [ 44.058079] gfs2_sys_fs_add+0x1ff/0x580 [ 44.062136] ? recover_store+0x160/0x160 [ 44.066191] ? snprintf+0xc0/0xf0 [ 44.069636] ? vsprintf+0x40/0x40 [ 44.073096] ? set_blocksize+0x1f1/0x260 [ 44.077169] ? memcpy+0x45/0x50 [ 44.080444] fill_super+0x86f/0x1d70 [ 44.084160] ? vsnprintf+0x1ed/0x1900 [ 44.087964] ? gfs2_online_uevent+0x2a0/0x2a0 [ 44.092455] ? memcpy+0x45/0x50 [ 44.095729] ? match_strlcpy+0xbc/0xf0 [ 44.099614] ? snprintf+0xc0/0xf0 [ 44.103059] ? vsprintf+0x40/0x40 [ 44.106510] ? ns_capable_common+0xcf/0x160 [ 44.110828] ? set_blocksize+0x1f1/0x260 [ 44.114887] gfs2_mount+0x587/0x6e0 [ 44.118505] ? gfs2_mount+0x587/0x6e0 [ 44.122300] ? fill_super+0x1d70/0x1d70 [ 44.126300] mount_fs+0x66/0x2d0 [ 44.129664] vfs_kern_mount.part.26+0xc6/0x4a0 [ 44.134241] ? may_umount+0xa0/0xa0 [ 44.137864] ? _raw_read_unlock+0x22/0x30 [ 44.142007] ? __get_fs_type+0x8a/0xc0 [ 44.145889] do_mount+0xea4/0x2bb0 [ 44.149424] ? copy_mount_string+0x40/0x40 [ 44.153650] ? rcu_pm_notify+0xc0/0xc0 [ 44.157530] ? copy_mount_options+0x5f/0x2e0 [ 44.161932] ? rcu_read_lock_sched_held+0x108/0x120 [ 44.166939] ? kmem_cache_alloc_trace+0x459/0x740 [ 44.171773] ? kasan_check_write+0x14/0x20 [ 44.176001] ? _copy_from_user+0x99/0x110 [ 44.180145] ? copy_mount_options+0x1f7/0x2e0 [ 44.184637] SyS_mount+0xab/0x120 [ 44.188114] ? copy_mnt_ns+0xb40/0xb40 [ 44.192003] do_syscall_64+0x281/0x940 [ 44.195889] ? vmalloc_sync_all+0x30/0x30 [ 44.200033] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.204784] ? syscall_return_slowpath+0x550/0x550 [ 44.209711] ? syscall_return_slowpath+0x2ac/0x550 [ 44.214809] ? prepare_exit_to_usermode+0x350/0x350 [ 44.219825] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 44.225190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.230032] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.235218] RIP: 0033:0x44308a [ 44.238397] RSP: 002b:00007fffb80b93a8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 44.246108] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044308a [ 44.253369] RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007fffb80b93c0 [ 44.260634] RBP: 00000000006cb018 R08: 0000000020000180 R09: 000000000000000a [ 44.267901] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000020000180 [ 44.275164] R13: 0000000000000004 R14: 0030656c69662f2e R15: 00000000004a1e40 [ 44.282445] CPU: 0 PID: 4476 Comm: syzkaller666675 Not tainted 4.16.0+ #11 [ 44.282686] ------------[ cut here ]------------ [ 44.289468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.289472] Call Trace: [ 44.289492] dump_stack+0x1a7/0x27d [ 44.289500] ? arch_local_irq_restore+0x53/0x53 [ 44.289511] ? trace_hardirqs_on+0xd/0x10 [ 44.289517] ? sysfs_warn_dup+0x6c/0xa0 [ 44.289523] sysfs_warn_dup+0x83/0xa0 [ 44.289535] sysfs_create_dir_ns+0x178/0x1d0 [ 44.294333] kobject_add_internal failed for . with -EEXIST, don't try to register things with the same name in the same directory. [ 44.303641] kobject_add_internal+0x335/0xbc0 [ 44.303649] ? kobj_ns_type_registered+0x50/0x50 [ 44.303660] ? kfree_const+0x31/0x40 [ 44.303668] ? rcu_read_lock_sched_held+0x108/0x120 [ 44.303681] ? kfree+0x1f6/0x260 [ 44.306512] WARNING: CPU: 1 PID: 4478 at lib/kobject.c:238 kobject_add_internal+0x8d4/0xbc0 [ 44.309874] ? kfree_const+0x36/0x40 [ 44.314534] Kernel panic - not syncing: panic_on_warn set ... [ 44.314534] [ 44.318665] kobject_init_and_add+0xf9/0x150 [ 44.387650] ? kset_create_and_add+0x170/0x170 [ 44.392209] ? vsnprintf+0x1ed/0x1900 [ 44.395988] gfs2_sys_fs_add+0x1ff/0x580 [ 44.400020] ? recover_store+0x160/0x160 [ 44.404054] ? snprintf+0xc0/0xf0 [ 44.407481] ? vsprintf+0x40/0x40 [ 44.410912] ? set_blocksize+0x1f1/0x260 [ 44.414947] ? memcpy+0x45/0x50 [ 44.418202] fill_super+0x86f/0x1d70 [ 44.421888] ? vsnprintf+0x1ed/0x1900 [ 44.425662] ? gfs2_online_uevent+0x2a0/0x2a0 [ 44.430129] ? memcpy+0x45/0x50 [ 44.433397] ? match_strlcpy+0xbc/0xf0 [ 44.437260] ? snprintf+0xc0/0xf0 [ 44.440684] ? vsprintf+0x40/0x40 [ 44.444122] ? ns_capable_common+0xcf/0x160 [ 44.448415] ? set_blocksize+0x1f1/0x260 [ 44.452448] gfs2_mount+0x587/0x6e0 [ 44.456045] ? gfs2_mount+0x587/0x6e0 [ 44.459825] ? fill_super+0x1d70/0x1d70 [ 44.463782] mount_fs+0x66/0x2d0 [ 44.467124] vfs_kern_mount.part.26+0xc6/0x4a0 [ 44.471678] ? may_umount+0xa0/0xa0 [ 44.475278] ? _raw_read_unlock+0x22/0x30 [ 44.479397] ? __get_fs_type+0x8a/0xc0 [ 44.483258] do_mount+0xea4/0x2bb0 [ 44.486768] ? kasan_check_read+0x11/0x20 [ 44.490887] ? do_raw_spin_unlock+0x9e/0x310 [ 44.495267] ? copy_mount_string+0x40/0x40 [ 44.499476] ? rcu_pm_notify+0xc0/0xc0 [ 44.503339] ? copy_mount_options+0x5f/0x2e0 [ 44.507718] ? rcu_read_lock_sched_held+0x108/0x120 [ 44.512706] ? kmem_cache_alloc_trace+0x459/0x740 [ 44.517521] ? kasan_check_write+0x14/0x20 [ 44.521727] ? copy_mount_options+0x1f7/0x2e0 [ 44.526193] SyS_mount+0xab/0x120 [ 44.529615] ? copy_mnt_ns+0xb40/0xb40 [ 44.533477] do_syscall_64+0x281/0x940 [ 44.537337] ? vmalloc_sync_all+0x30/0x30 [ 44.541455] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.546182] ? syscall_return_slowpath+0x550/0x550 [ 44.551086] ? syscall_return_slowpath+0x2ac/0x550 [ 44.555986] ? prepare_exit_to_usermode+0x350/0x350 [ 44.560974] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 44.566309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.571123] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.576288] RIP: 0033:0x44308a [ 44.579450] RSP: 002b:00007fffb80b93a8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 44.587134] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044308a [ 44.594375] RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007fffb80b93c0 [ 44.601617] RBP: 00000000006cb018 R08: 0000000020000180 R09: 000000000000000a [ 44.608858] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000020000180 [ 44.616099] R13: 0000000000000004 R14: 0030656c69662f2e R15: 00000000004a1e40 [ 44.623361] CPU: 1 PID: 4478 Comm: syzkaller666675 Not tainted 4.16.0+ #11 [ 44.623982] ------------[ cut here ]------------ [ 44.630407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.630413] Call Trace: [ 44.630434] dump_stack+0x1a7/0x27d [ 44.630448] ? arch_local_irq_restore+0x53/0x53 [ 44.635199] kobject_add_internal failed for . with -EEXIST, don't try to register things with the same name in the same directory. [ 44.644568] ? vsnprintf+0x1ed/0x1900 [ 44.644585] panic+0x1f8/0x42c [ 44.647322] WARNING: CPU: 0 PID: 4476 at lib/kobject.c:238 kobject_add_internal+0x8d4/0xbc0 [ 44.650781] ? refcount_error_report+0x214/0x214 [ 44.655420] Modules linked in: [ 44.667320] ? show_regs_print_info+0x18/0x18 [ 44.671098] CPU: 0 PID: 4476 Comm: syzkaller666675 Not tainted 4.16.0+ #11 [ 44.674292] ? vprintk_emit+0xa5f/0xb90 [ 44.682751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.682767] RIP: 0010:kobject_add_internal+0x8d4/0xbc0 [ 44.687530] ? __warn+0x1c1/0x200 [ 44.690682] RSP: 0018:ffff8801ad3cf4a0 EFLAGS: 00010282 [ 44.695188] ? kobject_add_internal+0x8d4/0xbc0 [ 44.702166] RAX: dffffc0000000008 RBX: ffff8801d8f3d210 RCX: ffffffff815ae26e [ 44.702174] RDX: 0000000000000000 RSI: 1ffff10035a79e44 RDI: 1ffff10035a79e19 [ 44.706161] __warn+0x1dc/0x200 [ 44.715483] RBP: ffff8801ad3cf598 R08: 1ffff10035a79ddb R09: 0000000000000001 [ 44.715493] R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff10035a79e9a [ 44.720779] ? kobject_add_internal+0x8d4/0xbc0 [ 44.724197] R13: 00000000ffffffef R14: ffff8801d426f448 R15: 1ffff10035a79e9e [ 44.724206] FS: 0000000001504880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 44.729577] report_bug+0x1f4/0x2b0 [ 44.734211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.734220] CR2: 00000000004b57b8 CR3: 00000001da510001 CR4: 00000000001606f0 [ 44.741508] fixup_bug.part.10+0x37/0x80 [ 44.748756] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.752044] do_error_trap+0x2d7/0x3e0 [ 44.759281] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.759288] Call Trace: [ 44.766571] ? vprintk_default+0x28/0x30 [ 44.771213] ? kobj_ns_type_registered+0x50/0x50 [ 44.778484] ? math_error+0x400/0x400 [ 44.786701] ? kfree_const+0x31/0x40 [ 44.790339] ? printk+0xaa/0xca [ 44.796196] ? rcu_read_lock_sched_held+0x108/0x120 [ 44.803479] ? show_regs_print_info+0x18/0x18 [ 44.807504] ? kfree+0x1f6/0x260 [ 44.807514] ? kfree_const+0x36/0x40 [ 44.814794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.818651] kobject_init_and_add+0xf9/0x150 [ 44.825931] do_invalid_op+0x1b/0x20 [ 44.828492] ? kset_create_and_add+0x170/0x170 [ 44.832554] invalid_op+0x1b/0x40 [ 44.837290] ? vsnprintf+0x1ed/0x1900 [ 44.841095] RIP: 0010:kobject_add_internal+0x8d4/0xbc0 [ 44.844783] gfs2_sys_fs_add+0x1ff/0x580 [ 44.848057] RSP: 0018:ffff8801be6974a0 EFLAGS: 00010282 [ 44.853055] ? recover_store+0x160/0x160 [ 44.860894] ? snprintf+0xc0/0xf0 [ 44.864594] RAX: dffffc0000000008 RBX: ffff8801d8e0d1d0 RCX: ffffffff815ae26e [ 44.869412] ? vsprintf+0x40/0x40 [ 44.873804] RDX: 0000000000000000 RSI: 1ffff10037cd2e44 RDI: 1ffff10037cd2e19 [ 44.877494] ? set_blocksize+0x1f1/0x260 [ 44.882061] RBP: ffff8801be697598 R08: 1ffff10037cd2ddb R09: 0000000000000000 [ 44.882072] R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff10037cd2e9a [ 44.885505] ? memcpy+0x45/0x50 [ 44.889291] R13: 00000000ffffffef R14: ffff8801d426f448 R15: 1ffff10037cd2e9e [ 44.889313] ? vprintk_func+0x5e/0xc0 [ 44.894563] fill_super+0x86f/0x1d70 [ 44.898629] ? kobj_ns_type_registered+0x50/0x50 [ 44.903965] ? vsnprintf+0x1ed/0x1900 [ 44.908029] ? kfree_const+0x31/0x40 [ 44.911456] ? gfs2_online_uevent+0x2a0/0x2a0 [ 44.918731] ? rcu_read_lock_sched_held+0x108/0x120 [ 44.922160] ? memcpy+0x45/0x50 [ 44.929443] ? kfree+0x1f6/0x260 [ 44.933494] ? match_strlcpy+0xbc/0xf0 [ 44.940777] ? kfree_const+0x36/0x40 [ 44.948034] ? snprintf+0xc0/0xf0 [ 44.951319] kobject_init_and_add+0xf9/0x150 [ 44.958579] ? vsprintf+0x40/0x40 [ 44.962391] ? kset_create_and_add+0x170/0x170 [ 44.966085] ? ns_capable_common+0xcf/0x160 [ 44.970846] ? vsnprintf+0x1ed/0x1900 [ 44.974619] ? set_blocksize+0x1f1/0x260 [ 44.978342] gfs2_sys_fs_add+0x1ff/0x580 [ 44.982804] gfs2_mount+0x587/0x6e0 [ 44.987820] ? recover_store+0x160/0x160 [ 44.991074] ? gfs2_mount+0x587/0x6e0 [ 44.994446] ? snprintf+0xc0/0xf0 [ 44.998308] ? fill_super+0x1d70/0x1d70 [ 45.002019] ? vsprintf+0x40/0x40 [ 45.005452] mount_fs+0x66/0x2d0 [ 45.009852] ? set_blocksize+0x1f1/0x260 [ 45.013283] vfs_kern_mount.part.26+0xc6/0x4a0 [ 45.017863] ? memcpy+0x45/0x50 [ 45.022162] ? may_umount+0xa0/0xa0 [ 45.025962] fill_super+0x86f/0x1d70 [ 45.029993] ? _raw_read_unlock+0x22/0x30 [ 45.030003] ? __get_fs_type+0x8a/0xc0 [ 45.034069] ? vsnprintf+0x1ed/0x1900 [ 45.037671] do_mount+0xea4/0x2bb0 [ 45.041735] ? gfs2_online_uevent+0x2a0/0x2a0 [ 45.045504] ? kasan_check_read+0x11/0x20 [ 45.048957] ? memcpy+0x45/0x50 [ 45.052912] ? do_raw_spin_unlock+0x9e/0x310 [ 45.056356] ? match_strlcpy+0xbc/0xf0 [ 45.059701] ? copy_mount_string+0x40/0x40 [ 45.063768] ? snprintf+0xc0/0xf0 [ 45.068319] ? rcu_pm_notify+0xc0/0xc0 [ 45.071590] ? vsprintf+0x40/0x40 [ 45.075191] ? copy_mount_options+0x5f/0x2e0 [ 45.078900] ? ns_capable_common+0xcf/0x160 [ 45.083042] ? rcu_read_lock_sched_held+0x108/0x120 [ 45.086929] ? set_blocksize+0x1f1/0x260 [ 45.090712] ? kmem_cache_alloc_trace+0x459/0x740 [ 45.094250] gfs2_mount+0x587/0x6e0 [ 45.098720] ? kasan_check_write+0x14/0x20 [ 45.102864] ? gfs2_mount+0x587/0x6e0 [ 45.106131] ? copy_mount_options+0x1f7/0x2e0 [ 45.110542] ? fill_super+0x1d70/0x1d70 [ 45.114402] SyS_mount+0xab/0x120 [ 45.118653] mount_fs+0x66/0x2d0 [ 45.122067] ? copy_mnt_ns+0xb40/0xb40 [ 45.125961] vfs_kern_mount.part.26+0xc6/0x4a0 [ 45.129392] do_syscall_64+0x281/0x940 [ 45.133799] ? may_umount+0xa0/0xa0 [ 45.138091] ? vmalloc_sync_all+0x30/0x30 [ 45.138101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.143127] ? _raw_read_unlock+0x22/0x30 [ 45.147159] ? syscall_return_slowpath+0x550/0x550 [ 45.152000] ? __get_fs_type+0x8a/0xc0 [ 45.155595] ? syscall_return_slowpath+0x2ac/0x550 [ 45.159828] do_mount+0xea4/0x2bb0 [ 45.163602] ? prepare_exit_to_usermode+0x350/0x350 [ 45.168102] ? copy_mount_string+0x40/0x40 [ 45.172046] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 45.175494] ? rcu_pm_notify+0xc0/0xc0 [ 45.178835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.182722] ? copy_mount_options+0x5f/0x2e0 [ 45.187276] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.191166] ? rcu_read_lock_sched_held+0x108/0x120 [ 45.194766] RIP: 0033:0x44308a [ 45.198928] ? kmem_cache_alloc_trace+0x459/0x740 [ 45.203652] RSP: 002b:00007fffb80b93a8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 45.207859] ? kasan_check_write+0x14/0x20 [ 45.212751] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044308a [ 45.212761] RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007fffb80b93c0 [ 45.216667] ? _copy_from_user+0x99/0x110 [ 45.221560] RBP: 00000000006cb018 R08: 0000000020000180 R09: 000000000000000a [ 45.221569] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000020000180 [ 45.225122] ? copy_mount_options+0x1f7/0x2e0 [ 45.230098] R13: 0000000000000004 R14: 0030656c69662f2e R15: 00000000004a1e40 [ 45.230107] Code: [ 45.234347] SyS_mount+0xab/0x120 [ 45.239682] 00 [ 45.243576] ? copy_mnt_ns+0xb40/0xb40 [ 45.248392] 00 00 [ 45.252816] do_syscall_64+0x281/0x940 [ 45.257973] 00 fc [ 45.263006] ? vmalloc_sync_all+0x30/0x30 [ 45.266164] ff df [ 45.271015] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.278693] 48 c1 [ 45.282950] ? syscall_return_slowpath+0x550/0x550 [ 45.290190] ea 03 [ 45.297488] ? syscall_return_slowpath+0x2ac/0x550 [ 45.301629] 80 [ 45.308881] ? prepare_exit_to_usermode+0x350/0x350 [ 45.308894] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 45.316162] 3c [ 45.320641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.327910] 02 [ 45.330044] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.333488] 00 [ 45.335362] RIP: 0033:0x44308a [ 45.339237] 0f [ 45.341360] RSP: 002b:00007fffb80b93a8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 45.345255] 85 [ 45.347393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044308a [ 45.347400] RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007fffb80b93c0 [ 45.351543] aa [ 45.353666] RBP: 00000000006cb018 R08: 0000000020000180 R09: 000000000000000a [ 45.353673] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000020000180 [ 45.358424] 00 [ 45.360555] R13: 0000000000000004 R14: 0030656c69662f2e R15: 00000000004a1e40 [ 45.455396] 00 00 48 8b 13 48 c7 c6 c0 37 d6 87 48 c7 c7 20 35 d6 87 e8 4c d3 5d fa <0f> 0b e9 1d fb ff ff e8 c0 8e 8d fa 0f 0b e9 29 fe ff ff e8 b4 [ 45.469400] ---[ end trace e59962590fc504cc ]--- [ 45.474520] Dumping ftrace buffer: [ 45.478306] (ftrace buffer empty) [ 45.481995] Kernel Offset: disabled [ 45.485604] Rebooting in 86400 seconds..