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-android-49-kasan-gce-0,10.128.15.226' (ECDSA) to the list of known hosts. 2017/12/03 03:40:36 parsed 1 programs 2017/12/03 03:40:36 executed programs: 0 syzkaller login: [ 44.012417] kasan: CONFIG_KASAN_INLINE enabled [ 44.013119] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 44.014087] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 44.014907] Dumping ftrace buffer: [ 44.015378] (ftrace buffer empty) [ 44.015872] Modules linked in: [ 44.016371] CPU: 0 PID: 3294 Comm: syz-executor0 Not tainted 4.9.66-gb763480 #103 [ 44.017383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.018602] task: ffff8801cf3ac800 task.stack: ffff8801cd7f8000 [ 44.019396] RIP: 0010:[] [] sidtab_search_core+0x6a/0x320 [ 44.020582] RSP: 0018:ffff8801cd7ffa18 EFLAGS: 00010202 [ 44.021316] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: 1ffff10039afff18 [ 44.022267] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff8593e620 [ 44.023217] RBP: ffff8801cd7ffa48 R08: ffffffff85393700 R09: ffffffff83a5e040 [ 44.024178] R10: 0000000000000001 R11: ffff8801cf3ac800 R12: 0000000000000001 [ 44.025127] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801ce4f0ba0 [ 44.026089] FS: 00007fac2b82f700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 44.027182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.027956] CR2: 00000000004d5638 CR3: 00000001cc6b9000 CR4: 00000000001406f0 [ 44.028907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.029906] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.030901] Stack: [ 44.031196] 0000000000000001 ffffffff8593e620 0000000000000001 0000000000000001 [ 44.032321] 0000000000000001 ffff8801ce4f0ba0 ffff8801cd7ffa68 ffffffff81c0587f [ 44.039084] dffffc0000000000 ffff8801ce4f0ba4 ffff8801cd7ffb90 ffffffff81c239a2 [ 44.047027] Call Trace: [ 44.049577] [] sidtab_search+0x1f/0x30 [ 44.055078] [] security_bounded_transition+0xb2/0x3a0 [ 44.061887] [] ? security_validate_transition+0x60/0x60 [ 44.068867] [] ? memcpy+0x45/0x50 [ 44.073939] [] ? kmemdup+0x44/0x50 [ 44.079091] [] ? selinux_cred_prepare+0x78/0xa0 [ 44.085374] [] ? current_is_single_threaded+0x85/0x4e0 [ 44.092263] [] ? security_prepare_creds+0x89/0xb0 [ 44.098731] [] selinux_setprocattr+0x8b0/0xa80 [ 44.104928] [] ? ptrace_parent_sid+0x400/0x400 [ 44.111123] [] ? mutex_lock_nested+0x870/0x870 [ 44.117317] [] security_setprocattr+0x8d/0xc0 [ 44.123424] [] proc_pid_attr_write+0x1bd/0x270 [ 44.129619] [] ? proc_coredump_filter_read+0x1e0/0x1e0 [ 44.136509] [] __vfs_write+0x103/0x680 [ 44.142008] [] ? do_iter_readv_writev+0x400/0x400 [ 44.148465] [] ? __lock_is_held+0xa1/0xf0 [ 44.154228] [] ? __lock_is_held+0xa1/0xf0 [ 44.159988] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 44.166790] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 44.173333] [] ? __sb_start_write+0x14a/0x310 [ 44.179440] [] vfs_write+0x189/0x530 [ 44.184765] [] SyS_write+0xd9/0x1b0 [ 44.190004] [] ? SyS_read+0x1b0/0x1b0 [ 44.195418] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.202219] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.208761] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 44.215300] Code: ea 03 41 83 e4 7f 80 3c 02 00 0f 85 7d 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 33 4d 63 e4 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 [ 44.241575] RIP [] sidtab_search_core+0x6a/0x320 [ 44.248056] RSP [ 44.251716] ---[ end trace 1ea5d38432a1fc1f ]--- [ 44.256594] Kernel panic - not syncing: Fatal exception [ 44.262339] Dumping ftrace buffer: [ 44.265850] (ftrace buffer empty) [ 44.269524] Kernel Offset: disabled [ 44.273117] Rebooting in 86400 seconds..