[....] Starting OpenBSD Secure Shell server: sshd[ 11.547126] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 16.402611] random: sshd: uninitialized urandom read (32 bytes read) [ 16.679406] audit: type=1400 audit(1536695732.140:6): avc: denied { map } for pid=1761 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 [ 16.720601] random: sshd: uninitialized urandom read (32 bytes read) [ 17.175144] random: sshd: uninitialized urandom read (32 bytes read) [ 26.918061] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. [ 32.558837] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.655703] audit: type=1400 audit(1536695748.120:7): avc: denied { map } for pid=1785 comm="syz-executor494" path="/root/syz-executor494509674" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.987219] ================================================================== [ 35.994670] BUG: KASAN: use-after-free in disk_unblock_events+0x4b/0x50 [ 36.001420] Read of size 8 at addr ffff8801d1adafe8 by task blkid/3219 [ 36.008107] [ 36.009729] CPU: 0 PID: 3219 Comm: blkid Not tainted 4.14.69+ #5 [ 36.015862] Call Trace: [ 36.018447] dump_stack+0xb9/0x11b [ 36.021993] print_address_description+0x60/0x22b [ 36.026841] kasan_report.cold.6+0x11b/0x2dd [ 36.031248] ? disk_unblock_events+0x4b/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.035655] disk_unblock_events+0x4b/0x50 [ 36.039889] __blkdev_get+0x68f/0xe50 [ 36.043687] ? trace_hardirqs_on+0x10/0x10 [ 36.047926] ? __blkdev_put+0x6e0/0x6e0 [ 36.051896] ? check_preemption_disabled+0x34/0x160 [ 36.056909] ? fsnotify+0x639/0x12d0 [ 36.060625] blkdev_get+0x97/0x8c0 [ 36.064167] ? bd_may_claim+0xe0/0xe0 [ 36.067962] ? bd_acquire+0x171/0x2c0 [ 36.071762] ? lock_downgrade+0x560/0x560 [ 36.075906] ? lock_acquire+0x10f/0x380 [ 36.079875] ? bd_acquire+0x21/0x2c0 [ 36.083600] blkdev_open+0x1bd/0x240 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.087311] ? security_file_open+0x88/0x190 [ 36.091724] do_dentry_open+0x426/0xda0 [ 36.095696] ? bd_acquire+0x2c0/0x2c0 [ 36.099502] vfs_open+0x11c/0x210 [ 36.102973] path_openat+0x4eb/0x23a0 [ 36.106783] ? path_mountpoint+0x9a0/0x9a0 [ 36.111016] ? kasan_kmalloc.part.1+0x4f/0xd0 [ 36.115515] ? trace_hardirqs_on+0x10/0x10 [ 36.119782] do_filp_open+0x197/0x270 [ 36.123582] ? may_open_dev+0xd0/0xd0 [ 36.127397] ? _raw_spin_unlock+0x29/0x40 [ 36.131571] do_sys_open+0x2ef/0x580 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.135288] ? filp_open+0x60/0x60 [ 36.138826] ? up_read+0x17/0x30 [ 36.142188] ? __do_page_fault+0x64c/0xb60 [ 36.146433] ? do_syscall_64+0x43/0x4b0 [ 36.150404] ? do_sys_open+0x580/0x580 [ 36.154293] do_syscall_64+0x19b/0x4b0 [ 36.158183] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.163365] RIP: 0033:0x7f1707f6d120 [ 36.167069] RSP: 002b:00007fff2323a348 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 36.174774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1707f6d120 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.182040] RDX: 00007fff2323af35 RSI: 0000000000000000 RDI: 00007fff2323af35 [ 36.189321] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 36.196584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001e76030 [ 36.203849] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 36.211125] [ 36.212744] Allocated by task 3212: [ 36.216368] kasan_kmalloc.part.1+0x4f/0xd0 [ 36.220689] kmem_cache_alloc_trace+0x138/0x300 [ 36.225356] alloc_disk_node+0x5f/0x3b0 [ 36.229325] loop_add+0x3e9/0x840 [ 36.232770] loop_probe+0x14f/0x180 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.236423] kobj_lookup+0x230/0x420 [ 36.240131] get_gendisk+0x32/0x230 [ 36.243750] __blkdev_get+0x345/0xe50 [ 36.247560] blkdev_get+0x456/0x8c0 [ 36.251182] blkdev_open+0x1bd/0x240 [ 36.254888] do_dentry_open+0x426/0xda0 [ 36.258858] vfs_open+0x11c/0x210 [ 36.262306] path_openat+0x4eb/0x23a0 [ 36.266102] do_filp_open+0x197/0x270 [ 36.269900] do_sys_open+0x2ef/0x580 [ 36.273608] do_syscall_64+0x19b/0x4b0 [ 36.277493] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.282681] [ 36.284299] Freed by task 3219: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.287582] kasan_slab_free+0xac/0x190 [ 36.291563] kfree+0xf5/0x310 [ 36.294667] device_release+0xf4/0x1a0 [ 36.298576] kobject_put+0x146/0x200 [ 36.302288] put_disk+0x1f/0x30 [ 36.305569] __blkdev_get+0x5fa/0xe50 [ 36.309362] blkdev_get+0x97/0x8c0 [ 36.312898] blkdev_open+0x1bd/0x240 [ 36.316618] do_dentry_open+0x426/0xda0 [ 36.320587] vfs_open+0x11c/0x210 [ 36.324038] path_openat+0x4eb/0x23a0 [ 36.327831] do_filp_open+0x197/0x270 [ 36.331629] do_sys_open+0x2ef/0x580 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.335365] do_syscall_64+0x19b/0x4b0 [ 36.339255] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.344430] [ 36.346052] The buggy address belongs to the object at ffff8801d1adaa80 [ 36.346052] which belongs to the cache kmalloc-2048 of size 2048 [ 36.358877] The buggy address is located 1384 bytes inside of [ 36.358877] 2048-byte region [ffff8801d1adaa80, ffff8801d1adb280) [ 36.370916] The buggy address belongs to the page: [ 36.375842] page:ffffea000746b600 count:1 mapcount:0 mapping: (null) index:0x0 compound_mapcount: 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.385809] flags: 0x4000000000008100(slab|head) [ 36.390566] raw: 4000000000008100 0000000000000000 0000000000000000 00000001000f000f [ 36.398445] raw: ffffea00072b2600 0000000300000003 ffff8801da802800 0000000000000000 [ 36.406315] page dumped because: kasan: bad access detected [ 36.412011] [ 36.413627] Memory state around the buggy address: [ 36.418566] ffff8801d1adae80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 36.425918] ffff8801d1adaf00: 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.433268] >ffff8801d1adaf80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 36.440620] ^ [ 36.447363] ffff8801d1adb000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 36.454714] ffff8801d1adb080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 36.462063] ================================================================== [ 36.469410] Disabling lock debugging due to kernel taint [ 36.482274] Kernel panic - not syncing: panic_on_warn set ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.482274] [ 36.489658] CPU: 0 PID: 3219 Comm: blkid Tainted: G B 4.14.69+ #5 [ 36.497003] Call Trace: [ 36.499584] dump_stack+0xb9/0x11b [ 36.503124] panic+0x1bf/0x3a4 [ 36.506315] ? add_taint.cold.4+0x16/0x16 [ 36.510455] ? ___preempt_schedule+0x16/0x18 [ 36.514864] kasan_end_report+0x43/0x49 [ 36.518832] kasan_report.cold.6+0x77/0x2dd [ 36.523153] ? disk_unblock_events+0x4b/0x50 [ 36.527647] disk_unblock_events+0x4b/0x50 [ 36.531877] __blkdev_get+0x68f/0xe50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.535678] ? trace_hardirqs_on+0x10/0x10 [ 36.539921] ? __blkdev_put+0x6e0/0x6e0 [ 36.543892] ? check_preemption_disabled+0x34/0x160 [ 36.548902] ? fsnotify+0x639/0x12d0 [ 36.552613] blkdev_get+0x97/0x8c0 [ 36.556151] ? bd_may_claim+0xe0/0xe0 [ 36.559948] ? bd_acquire+0x171/0x2c0 [ 36.563745] ? lock_downgrade+0x560/0x560 [ 36.567886] ? lock_acquire+0x10f/0x380 [ 36.571852] ? bd_acquire+0x21/0x2c0 [ 36.575571] blkdev_open+0x1bd/0x240 [ 36.579286] ? security_file_open+0x88/0x190 [ 36.583691] do_dentry_open+0x426/0xda0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.587664] ? bd_acquire+0x2c0/0x2c0 [ 36.591463] vfs_open+0x11c/0x210 [ 36.594914] path_openat+0x4eb/0x23a0 [ 36.598715] ? path_mountpoint+0x9a0/0x9a0 [ 36.602948] ? kasan_kmalloc.part.1+0x4f/0xd0 [ 36.607946] ? trace_hardirqs_on+0x10/0x10 [ 36.612188] do_filp_open+0x197/0x270 [ 36.615985] ? may_open_dev+0xd0/0xd0 [ 36.619818] ? _raw_spin_unlock+0x29/0x40 [ 36.623973] do_sys_open+0x2ef/0x580 [ 36.627685] ? filp_open+0x60/0x60 [ 36.631216] ? up_read+0x17/0x30 [ 36.634581] ? __do_page_fault+0x64c/0xb60 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.638810] ? do_syscall_64+0x43/0x4b0 [ 36.642780] ? do_sys_open+0x580/0x580 [ 36.646660] do_syscall_64+0x19b/0x4b0 [ 36.650569] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.655749] RIP: 0033:0x7f1707f6d120 [ 36.659454] RSP: 002b:00007fff2323a348 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 36.667155] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1707f6d120 [ 36.674417] RDX: 00007fff2323af35 RSI: 0000000000000000 RDI: 00007fff2323af35 [ 36.681674] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.688936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001e76030 [ 36.696200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 36.703856] Dumping ftrace buffer: [ 36.707400] (ftrace buffer empty) [ 36.711089] Kernel Offset: 0x2ae00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 36.721997] Rebooting in 86400 seconds..