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-386-0,10.128.0.44' (ECDSA) to the list of known hosts. 2017/12/07 13:13:39 parsed 1 programs 2017/12/07 13:13:39 executed programs: 0 syzkaller login: [ 25.207300] kasan: CONFIG_KASAN_INLINE enabled [ 25.208059] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.209171] general protection fault: 0000 [#1] SMP KASAN [ 25.209904] Dumping ftrace buffer: [ 25.210417] (ftrace buffer empty) [ 25.210913] Modules linked in: [ 25.211349] CPU: 1 PID: 3096 Comm: syz-executor0 Not tainted 4.15.0-rc2+ #121 [ 25.212317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.213546] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 25.214207] RSP: 0018:ffff8801c016f5b8 EFLAGS: 00010202 [ 25.214944] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff8220c12d [ 25.215896] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c6180 [ 25.216878] RBP: ffff8801c016f5e8 R08: 0000000000000003 R09: 1ffffffff0d6ad33 [ 25.217844] R10: 0000000000000000 R11: ffffffff8748ad60 R12: 0000000000000001 [ 25.218795] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 25.219745] FS: 0000000000000000(0000) GS:ffff8801db500000(0063) knlGS:00000000f7fd3b40 [ 25.220818] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 25.221589] CR2: 00000000f7fb2db0 CR3: 00000001cbdfd000 CR4: 00000000001406e0 [ 25.222542] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.223493] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.224442] Call Trace: [ 25.224799] sidtab_search+0x1f/0x30 [ 25.225302] security_bounded_transition+0xa8/0x4d0 [ 25.225983] ? security_validate_transition+0x60/0x60 [ 25.226670] ? security_prepare_creds+0x89/0xb0 [ 25.227309] ? prepare_creds+0x2ba/0x360 [ 25.230676] ? abort_creds+0x130/0x130 [ 25.234531] ? check_stack_object+0x68/0x140 [ 25.238910] selinux_setprocattr+0x8d0/0xb50 [ 25.243290] ? ptrace_parent_sid+0x540/0x540 [ 25.247665] ? __kmalloc_track_caller+0x46d/0x760 [ 25.252481] security_setprocattr+0x85/0xc0 [ 25.256780] proc_pid_attr_write+0x1e6/0x280 [ 25.261162] ? proc_task_getattr+0x180/0x180 [ 25.265538] __vfs_write+0xef/0x970 [ 25.269131] ? kernel_read+0x120/0x120 [ 25.272985] ? __lock_is_held+0xbc/0x140 [ 25.277017] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.282867] ? rcu_note_context_switch+0x710/0x710 [ 25.287759] ? mutex_lock_nested+0x16/0x20 [ 25.291958] __kernel_write+0xfe/0x350 [ 25.295813] write_pipe_buf+0x175/0x220 [ 25.299752] ? default_file_splice_read+0xae0/0xae0 [ 25.304733] ? splice_from_pipe_next.part.9+0x22e/0x2f0 [ 25.310062] __splice_from_pipe+0x328/0x730 [ 25.314348] ? default_file_splice_read+0xae0/0xae0 [ 25.319334] splice_from_pipe+0x1e9/0x330 [ 25.323447] ? default_file_splice_read+0xae0/0xae0 [ 25.328424] ? splice_shrink_spd+0xb0/0xb0 [ 25.332631] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.337618] default_file_splice_write+0x40/0x90 [ 25.342339] ? generic_splice_sendpage+0x50/0x50 [ 25.347060] SyS_splice+0x7d5/0x1630 [ 25.350740] ? compat_SyS_futex+0x288/0x380 [ 25.355030] ? compat_SyS_vmsplice+0x250/0x250 [ 25.359579] ? do_fast_syscall_32+0x156/0xf9d [ 25.364039] ? compat_SyS_vmsplice+0x250/0x250 [ 25.368583] do_fast_syscall_32+0x3ee/0xf9d [ 25.372873] ? do_int80_syscall_32+0x9d0/0x9d0 [ 25.377422] ? lockdep_sys_exit+0x47/0xf0 [ 25.381534] ? syscall_return_slowpath+0x2ad/0x550 [ 25.386431] ? sysret32_from_system_call+0x5/0x3b [ 25.391240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.396051] entry_SYSENTER_compat+0x51/0x60 [ 25.400425] RIP: 0023:0xf7fd7c79 [ 25.403753] RSP: 002b:00000000f7fd308c EFLAGS: 00000296 ORIG_RAX: 0000000000000139 [ 25.411423] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 25.418657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001ff [ 25.425895] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.433129] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.440369] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.447613] 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 [ 25.466682] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801c016f5b8 [ 25.473192] ---[ end trace 319f473777cdd562 ]--- [ 25.477927] Kernel panic - not syncing: Fatal exception [ 25.483604] Dumping ftrace buffer: [ 25.487116] (ftrace buffer empty) [ 25.490789] Kernel Offset: disabled [ 25.494379] Rebooting in 86400 seconds..