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-9,10.128.0.13' (ECDSA) to the list of known hosts. 2017/12/03 03:52:47 parsed 1 programs 2017/12/03 03:52:47 executed programs: 0 syzkaller login: [ 35.970939] kasan: CONFIG_KASAN_INLINE enabled [ 35.971620] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.972602] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 35.973422] Dumping ftrace buffer: [ 35.973910] (ftrace buffer empty) [ 35.974402] Modules linked in: [ 35.974889] CPU: 0 PID: 3282 Comm: syz-executor0 Not tainted 4.9.66-gb763480 #103 [ 35.975899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.977115] task: ffff8801ccfcc800 task.stack: ffff8801d6310000 [ 35.977907] RIP: 0010:[] [] sidtab_search_core+0x6a/0x320 [ 35.979088] RSP: 0018:ffff8801d6317a18 EFLAGS: 00010202 [ 35.979805] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: 1ffff1003ac62f18 [ 35.980756] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff8593e620 [ 35.981706] RBP: ffff8801d6317a48 R08: ffffffff85393700 R09: ffffffff83a5e040 [ 35.982654] R10: 0000000000000001 R11: ffff8801ccfcc800 R12: 0000000000000001 [ 35.983662] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801caeddf90 [ 35.984614] FS: 00007efca62ce700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 35.985696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.986468] CR2: 00000000004d5638 CR3: 00000001cb2e1000 CR4: 00000000001406f0 [ 35.987417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.988365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.989314] Stack: [ 35.989608] 0000000000000001 ffffffff8593e620 0000000000000001 0000000000000001 [ 35.990795] 0000000000000001 ffff8801caeddf90 ffff8801d6317a68 ffffffff81c0587f [ 35.997857] dffffc0000000000 ffff8801caeddf94 ffff8801d6317b90 ffffffff81c239a2 [ 36.005796] Call Trace: [ 36.008350] [] sidtab_search+0x1f/0x30 [ 36.013848] [] security_bounded_transition+0xb2/0x3a0 [ 36.020651] [] ? security_validate_transition+0x60/0x60 [ 36.027625] [] ? memcpy+0x45/0x50 [ 36.032689] [] ? kmemdup+0x44/0x50 [ 36.037841] [] ? selinux_cred_prepare+0x78/0xa0 [ 36.044119] [] ? current_is_single_threaded+0x85/0x4e0 [ 36.051007] [] ? security_prepare_creds+0x89/0xb0 [ 36.057458] [] selinux_setprocattr+0x8b0/0xa80 [ 36.063652] [] ? ptrace_parent_sid+0x400/0x400 [ 36.069845] [] ? mutex_lock_nested+0x870/0x870 [ 36.076044] [] security_setprocattr+0x8d/0xc0 [ 36.082164] [] proc_pid_attr_write+0x1bd/0x270 [ 36.089050] [] ? proc_coredump_filter_read+0x1e0/0x1e0 [ 36.095936] [] __vfs_write+0x103/0x680 [ 36.101433] [] ? do_iter_readv_writev+0x400/0x400 [ 36.107898] [] ? __lock_is_held+0xa1/0xf0 [ 36.113656] [] ? __lock_is_held+0xa1/0xf0 [ 36.119414] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 36.126214] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 36.132759] [] ? __sb_start_write+0x14a/0x310 [ 36.138867] [] vfs_write+0x189/0x530 [ 36.144195] [] SyS_write+0xd9/0x1b0 [ 36.149433] [] ? SyS_read+0x1b0/0x1b0 [ 36.154844] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.161650] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.168195] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 36.174734] 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 [ 36.200902] RIP [] sidtab_search_core+0x6a/0x320 [ 36.207382] RSP [ 36.211024] ---[ end trace 0313f8e748796141 ]--- [ 36.215744] Kernel panic - not syncing: Fatal exception [ 36.221095] Dumping ftrace buffer: [ 36.224597] (ftrace buffer empty) [ 36.228269] Kernel Offset: disabled [ 36.231858] Rebooting in 86400 seconds..