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-2,10.128.0.28' (ECDSA) to the list of known hosts. 2017/12/04 04:09:39 parsed 1 programs 2017/12/04 04:09:39 executed programs: 0 syzkaller login: [ 35.379041] kasan: CONFIG_KASAN_INLINE enabled [ 35.379807] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.381037] general protection fault: 0000 [#1] SMP KASAN [ 35.381777] Dumping ftrace buffer: [ 35.382253] (ftrace buffer empty) [ 35.382752] Modules linked in: [ 35.383186] CPU: 0 PID: 3095 Comm: syz-executor0 Not tainted 4.15.0-rc1-next-20171201+ #57 [ 35.384284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.385504] task: 00000000d7432e1f task.stack: 00000000bd52d5d0 [ 35.386307] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 35.386969] RSP: 0018:ffff8801cbdc7488 EFLAGS: 00010202 [ 35.387679] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff8220ea3d [ 35.388854] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c8180 [ 35.389860] RBP: ffff8801cbdc74b8 R08: 0000000000000001 R09: 1ffffffff0d6b132 [ 35.390812] R10: 0000000000000000 R11: ffffffff8748cd60 R12: 0000000000000001 [ 35.391763] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.392778] FS: 00007f38322d5700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 35.393978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.394752] CR2: 00000000004d5638 CR3: 00000001cd4ca000 CR4: 00000000001406f0 [ 35.395747] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.396716] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.397687] Call Trace: [ 35.398045] sidtab_search+0x1f/0x30 [ 35.398560] security_bounded_transition+0xa8/0x4d0 [ 35.399472] ? security_validate_transition+0x60/0x60 [ 35.404627] ? security_prepare_creds+0x89/0xb0 [ 35.409262] ? prepare_creds+0x2ba/0x360 [ 35.413286] ? abort_creds+0x130/0x130 [ 35.417139] ? check_stack_object+0x68/0x140 [ 35.421516] selinux_setprocattr+0x8d0/0xb50 [ 35.425900] ? ptrace_parent_sid+0x540/0x540 [ 35.430276] ? __kmalloc_track_caller+0x46d/0x760 [ 35.435087] security_setprocattr+0x85/0xc0 [ 35.439377] proc_pid_attr_write+0x1e6/0x280 [ 35.443750] ? proc_task_getattr+0x180/0x180 [ 35.448121] __vfs_write+0xef/0x970 [ 35.451721] ? trace_hardirqs_on+0xd/0x10 [ 35.455837] ? kernel_read+0x120/0x120 [ 35.459692] ? __lock_is_held+0xbc/0x140 [ 35.463724] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.469570] ? save_stack+0xa3/0xd0 [ 35.473166] ? rcu_note_context_switch+0x710/0x710 [ 35.478064] __kernel_write+0xfe/0x350 [ 35.481918] write_pipe_buf+0x175/0x220 [ 35.485857] ? default_file_splice_read+0xae0/0xae0 [ 35.490838] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.496688] ? splice_from_pipe_next.part.9+0x22e/0x2f0 [ 35.502019] __splice_from_pipe+0x328/0x730 [ 35.506306] ? default_file_splice_read+0xae0/0xae0 [ 35.511291] splice_from_pipe+0x1e9/0x330 [ 35.515403] ? default_file_splice_read+0xae0/0xae0 [ 35.520384] ? splice_shrink_spd+0xb0/0xb0 [ 35.524589] default_file_splice_write+0x40/0x90 [ 35.529319] ? generic_splice_sendpage+0x50/0x50 [ 35.534046] direct_splice_actor+0x125/0x180 [ 35.538422] splice_direct_to_actor+0x2c1/0x820 [ 35.543055] ? _cond_resched+0x14/0x30 [ 35.546913] ? generic_pipe_buf_nosteal+0x10/0x10 [ 35.551729] ? do_splice_to+0x170/0x170 [ 35.555670] ? security_file_permission+0x89/0x1f0 [ 35.560566] ? rw_verify_area+0xe5/0x2b0 [ 35.564594] do_splice_direct+0x2a7/0x3d0 [ 35.568708] ? splice_direct_to_actor+0x820/0x820 [ 35.573518] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 35.578241] ? __sb_start_write+0x203/0x290 [ 35.582551] do_sendfile+0x5d5/0xe90 [ 35.586237] ? do_compat_pwritev64+0x100/0x100 [ 35.590783] ? __might_sleep+0x95/0x190 [ 35.594733] ? kasan_check_write+0x14/0x20 [ 35.598932] ? _copy_from_user+0x99/0x110 [ 35.603045] SyS_sendfile64+0xbd/0x160 [ 35.606905] ? SyS_sendfile+0x1a0/0x1a0 [ 35.610843] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.615826] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.620554] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 35.625282] RIP: 0033:0x4529d9 [ 35.628436] RSP: 002b:00007f38322d4c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000028 [ 35.636109] RAX: ffffffffffffffda RBX: 00007f38322d4950 RCX: 00000000004529d9 [ 35.643345] RDX: 0000000020014000 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.650585] RBP: 00007f38322d4940 R08: 0000000000000000 R09: 0000000000000000 [ 35.657909] R10: 1000000800000008 R11: 0000000000000212 R12: 00000000004b7354 [ 35.665244] R13: 00007f38322d4ac8 R14: 00000000004b7366 R15: 0000000000000000 [ 35.672489] 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 [ 35.691558] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801cbdc7488 [ 35.698071] ---[ end trace 0dfd12bafecfafda ]--- [ 35.702810] Kernel panic - not syncing: Fatal exception [ 35.708515] Dumping ftrace buffer: [ 35.712027] (ftrace buffer empty) [ 35.715704] Kernel Offset: disabled [ 35.719727] Rebooting in 86400 seconds..