[....] Starting enhanced syslogd: rsyslogd[ 13.178310] audit: type=1400 audit(1516118928.232:5): avc: denied { syslog } for pid=3501 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.937437] audit: type=1400 audit(1516118933.991:6): avc: denied { map } for pid=3641 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 Warning: Permanently added '10.128.15.243' (ECDSA) to the list of known hosts. [ 25.171883] audit: type=1400 audit(1516118940.225:7): avc: denied { map } for pid=3655 comm="syzkaller466033" path="/root/syzkaller466033466" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 RTNETLINK answers: No buffer space available [ 25.602282] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready net.ipv6.conf.syz1.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz1.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz2.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz2.router_solicitations = 0 RTNETLINK answers: No buffer space available [ 25.808073] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz6.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz4.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 26.153151] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument [ 26.384683] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 26.595126] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available [ 26.794072] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.816099] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 26.910060] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument [ 26.956808] audit: type=1400 audit(1516118942.009:8): avc: denied { sys_admin } for pid=3661 comm="syzkaller466033" 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 executing program executing program RTNETLINK answers: No buffer space available [ 26.990214] audit: type=1400 audit(1516118942.043:9): avc: denied { sys_chroot } for pid=4281 comm="syzkaller466033" 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 RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported executing program executing program RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Invalid argument executing program executing program RTNETLINK answers: Operation not supported executing program executing program RTNETLINK answers: Operation not supported executing program executing program RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program executing program executing program RTNETLINK answers: Operation not supported executing program executing program RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program RTNETLINK answers: Operation not supported executing program executing program executing program RTNETLINK answers: Operation not supported executing program executing program RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program RTNETLINK answers: Invalid argument executing program executing program executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program RTNETLINK answers: Invalid argument executing program executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.093860] ================================================================== [ 35.101288] BUG: KASAN: use-after-free in disk_unblock_events+0x51/0x60 [ 35.108033] Read of size 8 at addr ffff8801cd59ca80 by task blkid/5340 [ 35.114682] [ 35.116299] CPU: 0 PID: 5340 Comm: blkid Not tainted 4.15.0-rc8+ #173 [ 35.122863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.132206] Call Trace: [ 35.134787] dump_stack+0x194/0x257 [ 35.138431] ? arch_local_irq_restore+0x53/0x53 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.143102] ? show_regs_print_info+0x18/0x18 [ 35.147609] ? kfree_const+0x31/0x40 [ 35.151329] ? disk_unblock_events+0x51/0x60 [ 35.155738] print_address_description+0x73/0x250 [ 35.160576] ? disk_unblock_events+0x51/0x60 [ 35.164983] kasan_report+0x25b/0x340 [ 35.168785] __asan_report_load8_noabort+0x14/0x20 [ 35.173709] disk_unblock_events+0x51/0x60 [ 35.177958] __blkdev_get+0x869/0x10e0 [ 35.181864] ? __blkdev_put+0x7f0/0x7f0 [ 35.185861] blkdev_get+0x3a1/0xad0 [ 35.189501] ? bd_link_disk_holder+0x8b0/0x8b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.194080] ? do_raw_spin_trylock+0x190/0x190 [ 35.198665] ? errseq_sample+0xee/0x140 [ 35.202637] ? _copy_to_user+0xc0/0xc0 [ 35.206527] ? _raw_spin_unlock+0x22/0x30 [ 35.210683] blkdev_open+0x1c9/0x250 [ 35.214392] ? security_file_open+0x89/0x190 [ 35.218803] do_dentry_open+0x667/0xd40 [ 35.222776] ? bd_acquire+0x2c0/0x2c0 [ 35.226585] vfs_open+0x107/0x220 [ 35.230062] path_openat+0x1151/0x3530 [ 35.233967] ? path_lookupat+0xba0/0xba0 [ 35.238024] ? lock_downgrade+0x980/0x980 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.242173] ? do_sys_open+0x2e7/0x6d0 [ 35.246075] ? find_held_lock+0x35/0x1d0 [ 35.250133] ? do_raw_spin_trylock+0x190/0x190 [ 35.254720] ? __lock_is_held+0xb6/0x140 [ 35.258777] ? _find_next_bit+0xee/0x120 [ 35.262848] ? _raw_spin_unlock+0x22/0x30 [ 35.266999] ? __alloc_fd+0x29b/0x750 [ 35.270824] do_filp_open+0x25b/0x3b0 [ 35.274626] ? may_open_dev+0xe0/0xe0 [ 35.278432] ? mpi_resize+0x200/0x200 [ 35.282238] ? get_unused_fd_flags+0x121/0x190 [ 35.286829] ? getname_flags+0x256/0x580 [ 35.290921] do_sys_open+0x502/0x6d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.294630] ? do_sys_open+0x502/0x6d0 [ 35.298518] ? filp_open+0x70/0x70 [ 35.302053] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 35.306988] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.312015] SyS_open+0x2d/0x40 [ 35.315302] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.320048] RIP: 0033:0x7ffb044e3120 [ 35.323748] RSP: 002b:00007ffe64390108 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 35.331458] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb044e3120 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.338724] RDX: 00007ffe64391f45 RSI: 0000000000000000 RDI: 00007ffe64391f45 [ 35.345987] RBP: 00007ffe64391f3d R08: 0000000000000078 R09: 0000000000000000 [ 35.353248] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000235a030 [ 35.360506] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000005 [ 35.367810] [ 35.369426] Allocated by task 5325: [ 35.373049] save_stack+0x43/0xd0 [ 35.376495] kasan_kmalloc+0xad/0xe0 [ 35.380224] kmem_cache_alloc_node_trace+0x150/0x750 [ 35.385319] __alloc_disk_node+0xb4/0x4e0 [ 35.389488] loop_add+0x44c/0xa70 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.392940] loop_probe+0x16d/0x1a0 [ 35.396559] kobj_lookup+0x2ac/0x410 [ 35.400267] get_gendisk+0x37/0x2c0 [ 35.403901] blkdev_get+0x12d/0xad0 [ 35.407528] blkdev_open+0x1c9/0x250 [ 35.411234] do_dentry_open+0x667/0xd40 [ 35.415213] vfs_open+0x107/0x220 [ 35.418666] path_openat+0x1151/0x3530 [ 35.422553] do_filp_open+0x25b/0x3b0 [ 35.426347] do_sys_open+0x502/0x6d0 [ 35.430050] compat_SyS_open+0x2a/0x40 [ 35.433935] do_fast_syscall_32+0x3ee/0xf9d [ 35.438289] entry_SYSENTER_compat+0x54/0x63 [ 35.442684] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.444302] Freed by task 5340: [ 35.447573] save_stack+0x43/0xd0 [ 35.451019] kasan_slab_free+0x71/0xc0 [ 35.454896] kfree+0xd6/0x260 [ 35.458000] disk_release+0x327/0x410 [ 35.461791] device_release+0x7c/0x210 [ 35.465696] kobject_put+0x14c/0x250 [ 35.469402] put_disk+0x23/0x30 [ 35.472764] __blkdev_get+0x7c9/0x10e0 [ 35.476646] blkdev_get+0x3a1/0xad0 [ 35.480265] blkdev_open+0x1c9/0x250 [ 35.483973] do_dentry_open+0x667/0xd40 [ 35.487944] vfs_open+0x107/0x220 [ 35.491396] path_openat+0x1151/0x3530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.495291] do_filp_open+0x25b/0x3b0 [ 35.499084] do_sys_open+0x502/0x6d0 [ 35.502794] SyS_open+0x2d/0x40 [ 35.506072] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.510807] [ 35.512421] The buggy address belongs to the object at ffff8801cd59c500 [ 35.512421] which belongs to the cache kmalloc-2048 of size 2048 [ 35.525241] The buggy address is located 1408 bytes inside of [ 35.525241] 2048-byte region [ffff8801cd59c500, ffff8801cd59cd00) [ 35.537272] The buggy address belongs to the page: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.542192] page:ffffea0007356700 count:1 mapcount:0 mapping:ffff8801cd59c500 index:0x0 compound_mapcount: 0 [ 35.552155] flags: 0x2fffc0000008100(slab|head) [ 35.556831] raw: 02fffc0000008100 ffff8801cd59c500 0000000000000000 0000000100000003 [ 35.564702] raw: ffffea000735e1a0 ffffea000735cda0 ffff8801dac00c40 0000000000000000 [ 35.572569] page dumped because: kasan: bad access detected [ 35.578277] [ 35.579895] Memory state around the buggy address: [ 35.584810] ffff8801cd59c980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.592161] ffff8801cd59ca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 35.599511] >ffff8801cd59ca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 35.606877] ^ [ 35.610235] ffff8801cd59cb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 35.617601] ffff8801cd59cb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 35.624950] ================================================================== [ 35.632296] Disabling lock debugging due to kernel taint [ 35.638006] Kernel panic - not syncing: panic_on_warn set ... [ 35.638006] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.645361] CPU: 0 PID: 5340 Comm: blkid Tainted: G B 4.15.0-rc8+ #173 [ 35.653227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.662582] Call Trace: [ 35.665172] dump_stack+0x194/0x257 [ 35.668814] ? arch_local_irq_restore+0x53/0x53 [ 35.673483] ? kasan_end_report+0x32/0x50 [ 35.677624] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.682379] ? vsnprintf+0x1ed/0x1900 [ 35.686185] ? del_gendisk+0x9e0/0xa40 [ 35.690064] panic+0x1e4/0x41c executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.693262] ? refcount_error_report+0x214/0x214 [ 35.698018] ? add_taint+0x1c/0x50 [ 35.701550] ? add_taint+0x1c/0x50 [ 35.705086] ? disk_unblock_events+0x51/0x60 [ 35.709500] kasan_end_report+0x50/0x50 [ 35.713474] kasan_report+0x144/0x340 [ 35.717273] __asan_report_load8_noabort+0x14/0x20 [ 35.722207] disk_unblock_events+0x51/0x60 [ 35.726450] __blkdev_get+0x869/0x10e0 [ 35.730349] ? __blkdev_put+0x7f0/0x7f0 [ 35.734331] blkdev_get+0x3a1/0xad0 [ 35.737961] ? bd_link_disk_holder+0x8b0/0x8b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.742548] ? do_raw_spin_trylock+0x190/0x190 [ 35.747125] ? errseq_sample+0xee/0x140 [ 35.751097] ? _copy_to_user+0xc0/0xc0 [ 35.754988] ? _raw_spin_unlock+0x22/0x30 [ 35.759135] blkdev_open+0x1c9/0x250 [ 35.762955] ? security_file_open+0x89/0x190 [ 35.767366] do_dentry_open+0x667/0xd40 [ 35.771341] ? bd_acquire+0x2c0/0x2c0 [ 35.775138] vfs_open+0x107/0x220 [ 35.778590] path_openat+0x1151/0x3530 [ 35.782478] ? path_lookupat+0xba0/0xba0 [ 35.786532] ? lock_downgrade+0x980/0x980 [ 35.790673] ? do_sys_open+0x2e7/0x6d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.794562] ? find_held_lock+0x35/0x1d0 [ 35.798619] ? do_raw_spin_trylock+0x190/0x190 [ 35.803192] ? __lock_is_held+0xb6/0x140 [ 35.807246] ? _find_next_bit+0xee/0x120 [ 35.811302] ? _raw_spin_unlock+0x22/0x30 [ 35.815450] ? __alloc_fd+0x29b/0x750 [ 35.819264] do_filp_open+0x25b/0x3b0 [ 35.823067] ? may_open_dev+0xe0/0xe0 [ 35.826874] ? mpi_resize+0x200/0x200 [ 35.830684] ? get_unused_fd_flags+0x121/0x190 [ 35.835262] ? getname_flags+0x256/0x580 [ 35.839320] do_sys_open+0x502/0x6d0 [ 35.843030] ? do_sys_open+0x502/0x6d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.846926] ? filp_open+0x70/0x70 [ 35.850468] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 35.855315] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.860325] SyS_open+0x2d/0x40 [ 35.863601] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.868342] RIP: 0033:0x7ffb044e3120 [ 35.872039] RSP: 002b:00007ffe64390108 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 35.879743] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb044e3120 [ 35.886999] RDX: 00007ffe64391f45 RSI: 0000000000000000 RDI: 00007ffe64391f45 executing program executing program executing program executing program executing program executing program [ 35.894256] RBP: 00007ffe64391f3d R08: 0000000000000078 R09: 0000000000000000 [ 35.901515] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000235a030 [ 35.908787] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000005 [ 35.916507] Dumping ftrace buffer: [ 35.920021] (ftrace buffer empty) [ 35.923698] Kernel Offset: disabled [ 35.927291] Rebooting in 86400 seconds..