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-4,10.128.15.192' (ECDSA) to the list of known hosts. 2017/12/02 18:49:48 parsed 1 programs 2017/12/02 18:49:48 executed programs: 0 syzkaller login: [ 42.799128] kasan: CONFIG_KASAN_INLINE enabled [ 42.799913] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.801046] general protection fault: 0000 [#1] SMP KASAN [ 42.801783] Dumping ftrace buffer: [ 42.802257] (ftrace buffer empty) [ 42.802752] Modules linked in: [ 42.803185] CPU: 0 PID: 3097 Comm: syz-executor0 Not tainted 4.15.0-rc1-next-20171201+ #57 [ 42.804298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.805584] task: 00000000a23c6083 task.stack: 000000002724a782 [ 42.806385] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 42.807066] RSP: 0018:ffff8801cc1d7a10 EFLAGS: 00010202 [ 42.807929] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff8220ea3d [ 42.808881] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c8180 [ 42.809940] RBP: ffff8801cc1d7a40 R08: 0000000000000003 R09: 1ffffffff0d6b133 [ 42.810950] R10: 0000000000000000 R11: ffffffff8748cd60 R12: 0000000000000001 [ 42.811904] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 42.812857] FS: 00007f26e76d6700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 42.813932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.814707] CR2: 00000000004d5638 CR3: 00000001cb960000 CR4: 00000000001406f0 [ 42.815659] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.816610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.817562] Call Trace: [ 42.817923] sidtab_search+0x1f/0x30 [ 42.818423] security_bounded_transition+0xa8/0x4d0 [ 42.819092] ? security_validate_transition+0x60/0x60 [ 42.822162] ? security_prepare_creds+0x89/0xb0 [ 42.826800] ? prepare_creds+0x2ba/0x360 [ 42.830827] ? abort_creds+0x130/0x130 [ 42.834688] selinux_setprocattr+0x8d0/0xb50 [ 42.839063] ? ptrace_parent_sid+0x540/0x540 [ 42.843444] security_setprocattr+0x85/0xc0 [ 42.847733] proc_pid_attr_write+0x1e6/0x280 [ 42.852106] ? proc_task_getattr+0x180/0x180 [ 42.856481] __vfs_write+0xef/0x970 [ 42.860074] ? lock_acquire+0x256/0x580 [ 42.864017] ? kernel_read+0x120/0x120 [ 42.867870] ? __lock_is_held+0xbc/0x140 [ 42.871900] ? rcu_read_lock_sched_held+0x108/0x120 [ 42.876879] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 42.881599] ? __sb_start_write+0x203/0x290 [ 42.885887] vfs_write+0x18f/0x510 [ 42.889394] SyS_write+0xef/0x220 [ 42.892814] ? SyS_read+0x220/0x220 [ 42.896403] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.901385] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.906112] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 42.910831] RIP: 0033:0x4529d9 [ 42.913986] RSP: 002b:00007f26e76d5c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 42.921660] RAX: ffffffffffffffda RBX: 00007f26e76d5950 RCX: 00000000004529d9 [ 42.928895] RDX: 0000000000000008 RSI: 0000000020ffcff8 RDI: 0000000000000000 [ 42.936134] RBP: 00007f26e76d5940 R08: 0000000000000000 R09: 0000000000000000 [ 42.943369] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7354 [ 42.950608] R13: 00007f26e76d5ac8 R14: 00000000004b7366 R15: 0000000000000000 [ 42.957849] 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 [ 42.976911] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801cc1d7a10 [ 42.983430] ---[ end trace 7186eab0f72b06fb ]--- [ 42.988163] Kernel panic - not syncing: Fatal exception [ 42.993523] Dumping ftrace buffer: [ 42.997032] (ftrace buffer empty) [ 43.000710] Kernel Offset: disabled [ 43.004301] Rebooting in 86400 seconds..