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-kasan-gce-0,10.128.15.222' (ECDSA) to the list of known hosts. 2017/12/02 05:28:20 parsed 1 programs 2017/12/02 05:28:20 executed programs: 0 syzkaller login: [ 27.096958] kasan: CONFIG_KASAN_INLINE enabled [ 27.097743] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 27.098921] general protection fault: 0000 [#1] SMP KASAN [ 27.099671] Dumping ftrace buffer: [ 27.100147] (ftrace buffer empty) [ 27.100654] Modules linked in: [ 27.101105] CPU: 1 PID: 3094 Comm: syz-executor0 Not tainted 4.15.0-rc1+ #204 [ 27.102076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.103315] task: 00000000239e258b task.stack: 000000007c02cd10 [ 27.104119] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 27.104800] RSP: 0018:ffff8801cbd27a10 EFLAGS: 00010202 [ 27.105510] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff82207ffd [ 27.106462] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c5180 [ 27.107412] RBP: ffff8801cbd27a40 R08: 0000000000000003 R09: 1ffffffff0d6ab33 [ 27.108367] R10: 0000000000000000 R11: ffffffff87489d60 R12: 0000000000000001 [ 27.109350] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 27.110304] FS: 00007f6854614700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 27.111378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.112153] CR2: 00000000004d5638 CR3: 00000001cd523000 CR4: 00000000001406e0 [ 27.113107] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.114058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.115030] Call Trace: [ 27.115406] sidtab_search+0x1f/0x30 [ 27.115923] security_bounded_transition+0xa8/0x4d0 [ 27.116605] ? security_validate_transition+0x60/0x60 [ 27.118782] ? security_prepare_creds+0x89/0xb0 [ 27.123422] ? prepare_creds+0x2ba/0x360 [ 27.127452] ? abort_creds+0x130/0x130 [ 27.131313] selinux_setprocattr+0x8d0/0xb50 [ 27.135697] ? ptrace_parent_sid+0x540/0x540 [ 27.140077] security_setprocattr+0x85/0xc0 [ 27.144369] proc_pid_attr_write+0x1e6/0x280 [ 27.148746] ? proc_task_getattr+0x180/0x180 [ 27.153122] __vfs_write+0xef/0x970 [ 27.156716] ? lock_acquire+0x1d5/0x580 [ 27.160657] ? vfs_write+0x410/0x510 [ 27.164338] ? kernel_read+0x120/0x120 [ 27.168195] ? __lock_is_held+0xbc/0x140 [ 27.172227] ? rcu_read_lock_sched_held+0x108/0x120 [ 27.177209] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 27.181932] ? __sb_start_write+0x203/0x290 [ 27.186220] vfs_write+0x18f/0x510 [ 27.189729] SyS_write+0xef/0x220 [ 27.193151] ? SyS_read+0x220/0x220 [ 27.196748] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.201735] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.206468] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 27.211192] RIP: 0033:0x4529d9 [ 27.214350] RSP: 002b:00007f6854613c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 27.222027] RAX: ffffffffffffffda RBX: 00007f6854613950 RCX: 00000000004529d9 [ 27.229266] RDX: 0000000000000008 RSI: 000000002035aff8 RDI: 0000000000000000 [ 27.236508] RBP: 00007f6854613940 R08: 0000000000000000 R09: 0000000000000000 [ 27.243743] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7354 [ 27.250979] R13: 00007f6854613ac8 R14: 00000000004b7366 R15: 0000000000000000 [ 27.258223] 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 [ 27.277289] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801cbd27a10 [ 27.283799] ---[ end trace 06fa8aeb47119d87 ]--- [ 27.288538] Kernel panic - not syncing: Fatal exception [ 27.293894] Dumping ftrace buffer: [ 27.297405] (ftrace buffer empty) [ 27.301085] Kernel Offset: disabled [ 27.304682] Rebooting in 86400 seconds..