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 'ci-upstream-next-kasan-gce-1,10.128.0.27' (ECDSA) to the list of known hosts. 2017/12/01 17:14:11 parsed 1 programs 2017/12/01 17:14:11 executed programs: 0 syzkaller login: [ 33.388395] kasan: CONFIG_KASAN_INLINE enabled [ 33.389190] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.390372] general protection fault: 0000 [#1] SMP KASAN [ 33.391114] Dumping ftrace buffer: [ 33.391599] (ftrace buffer empty) [ 33.392094] Modules linked in: [ 33.392527] CPU: 1 PID: 3103 Comm: syz-executor0 Not tainted 4.15.0-rc1-next-20171201+ #57 [ 33.393622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.394867] task: 00000000f08f89c8 task.stack: 00000000db97cdc4 [ 33.395669] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 33.396349] RSP: 0018:ffff8801cd787a10 EFLAGS: 00010202 [ 33.397059] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff8220ea3d [ 33.398009] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c8180 [ 33.398994] RBP: ffff8801cd787a40 R08: 0000000000000003 R09: 1ffffffff0d6b133 [ 33.399973] R10: 0000000000000000 R11: ffffffff8748cd60 R12: 0000000000000001 [ 33.400939] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 33.401890] FS: 00007fb263af3700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 33.402962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.403734] CR2: 00000000004d5638 CR3: 00000001cf30e000 CR4: 00000000001406e0 [ 33.404686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.405636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.406585] Call Trace: [ 33.406941] sidtab_search+0x1f/0x30 [ 33.407516] security_bounded_transition+0xa8/0x4d0 [ 33.408181] ? security_validate_transition+0x60/0x60 [ 33.411102] ? security_prepare_creds+0x89/0xb0 [ 33.415740] ? prepare_creds+0x2ba/0x360 [ 33.419766] ? abort_creds+0x130/0x130 [ 33.423624] selinux_setprocattr+0x8d0/0xb50 [ 33.427999] ? ptrace_parent_sid+0x540/0x540 [ 33.432375] security_setprocattr+0x85/0xc0 [ 33.436664] proc_pid_attr_write+0x1e6/0x280 [ 33.441037] ? proc_task_getattr+0x180/0x180 [ 33.445410] __vfs_write+0xef/0x970 [ 33.449001] ? lock_acquire+0x256/0x580 [ 33.452939] ? kernel_read+0x120/0x120 [ 33.456791] ? __lock_is_held+0xbc/0x140 [ 33.460823] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.465803] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 33.470522] ? __sb_start_write+0x203/0x290 [ 33.474808] vfs_write+0x18f/0x510 [ 33.478314] SyS_write+0xef/0x220 [ 33.481730] ? SyS_read+0x220/0x220 [ 33.485320] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.490303] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.495027] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 33.499744] RIP: 0033:0x4529d9 [ 33.502898] RSP: 002b:00007fb263af2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 33.510568] RAX: ffffffffffffffda RBX: 00007fb263af2950 RCX: 00000000004529d9 [ 33.517801] RDX: 0000000000000008 RSI: 000000002035aff8 RDI: 0000000000000000 [ 33.525034] RBP: 00007fb263af2940 R08: 0000000000000000 R09: 0000000000000000 [ 33.532269] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7354 [ 33.539501] R13: 00007fb263af2ac8 R14: 00000000004b7366 R15: 0000000000000000 [ 33.546742] Code: ea 03 41 83 e4 7f 80 3c 02 00 0f 85 7d 02 00 00 4c 8b 33 4d 63 e4 48 b8 00 00 00 00 00 fc ff df 4b 8d 1c e6 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 41 02 00 00 48 8b 1b 48 85 db 0f 84 8b 00 00 [ 33.565801] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801cd787a10 [ 33.572302] ---[ end trace 397f06d7cf81ebbc ]--- [ 33.577035] Kernel panic - not syncing: Fatal exception [ 33.582393] Dumping ftrace buffer: [ 33.585898] (ftrace buffer empty) [ 33.589571] Kernel Offset: disabled [ 33.593161] Rebooting in 86400 seconds..