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-9,10.128.0.35' (ECDSA) to the list of known hosts. 2017/12/03 21:12:42 parsed 1 programs 2017/12/03 21:12:42 executed programs: 0 syzkaller login: [ 40.841151] kasan: CONFIG_KASAN_INLINE enabled [ 40.841894] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.843079] general protection fault: 0000 [#1] SMP KASAN [ 40.843815] Dumping ftrace buffer: [ 40.844289] (ftrace buffer empty) [ 40.844861] Modules linked in: [ 40.845295] CPU: 1 PID: 3092 Comm: syz-executor0 Not tainted 4.15.0-rc1-next-20171201+ #57 [ 40.846392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.847622] task: 0000000019ac40c0 task.stack: 000000007c02c8d8 [ 40.848428] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 40.849120] RSP: 0018:ffff8801d3f87488 EFLAGS: 00010202 [ 40.849830] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff8220ea3d [ 40.850869] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c8180 [ 40.851821] RBP: ffff8801d3f874b8 R08: 0000000000000001 R09: 1ffffffff0d6b132 [ 40.852816] R10: 0000000000000000 R11: ffffffff8748cd60 R12: 0000000000000001 [ 40.853816] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 40.854770] FS: 00007f9015b99700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 40.855843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.856637] CR2: 00000000004d5638 CR3: 00000001cdb15000 CR4: 00000000001406e0 [ 40.857606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.858560] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.859511] Call Trace: [ 40.859871] sidtab_search+0x1f/0x30 [ 40.860370] security_bounded_transition+0xa8/0x4d0 [ 40.861060] ? security_validate_transition+0x60/0x60 [ 40.861748] ? security_prepare_creds+0x89/0xb0 [ 40.866387] ? prepare_creds+0x2ba/0x360 [ 40.870417] ? abort_creds+0x130/0x130 [ 40.874273] ? check_stack_object+0x68/0x140 [ 40.878652] selinux_setprocattr+0x8d0/0xb50 [ 40.883029] ? ptrace_parent_sid+0x540/0x540 [ 40.887404] ? __kmalloc_track_caller+0x46d/0x760 [ 40.892219] security_setprocattr+0x85/0xc0 [ 40.896509] proc_pid_attr_write+0x1e6/0x280 [ 40.900883] ? proc_task_getattr+0x180/0x180 [ 40.905257] __vfs_write+0xef/0x970 [ 40.908852] ? trace_hardirqs_on+0xd/0x10 [ 40.912966] ? kernel_read+0x120/0x120 [ 40.916819] ? __lock_is_held+0xbc/0x140 [ 40.920851] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.926700] ? save_stack+0xa3/0xd0 [ 40.930295] ? rcu_note_context_switch+0x710/0x710 [ 40.935194] __kernel_write+0xfe/0x350 [ 40.939052] write_pipe_buf+0x175/0x220 [ 40.942993] ? default_file_splice_read+0xae0/0xae0 [ 40.947974] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.953825] ? splice_from_pipe_next.part.9+0x22e/0x2f0 [ 40.959162] __splice_from_pipe+0x328/0x730 [ 40.963452] ? default_file_splice_read+0xae0/0xae0 [ 40.968441] splice_from_pipe+0x1e9/0x330 [ 40.972554] ? default_file_splice_read+0xae0/0xae0 [ 40.977537] ? splice_shrink_spd+0xb0/0xb0 [ 40.981748] default_file_splice_write+0x40/0x90 [ 40.986484] ? generic_splice_sendpage+0x50/0x50 [ 40.991207] direct_splice_actor+0x125/0x180 [ 40.995589] splice_direct_to_actor+0x2c1/0x820 [ 41.000229] ? _cond_resched+0x14/0x30 [ 41.004095] ? generic_pipe_buf_nosteal+0x10/0x10 [ 41.008905] ? do_splice_to+0x170/0x170 [ 41.012864] ? security_file_permission+0x89/0x1f0 [ 41.017762] ? rw_verify_area+0xe5/0x2b0 [ 41.021791] do_splice_direct+0x2a7/0x3d0 [ 41.025906] ? splice_direct_to_actor+0x820/0x820 [ 41.030716] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 41.035437] ? __sb_start_write+0x203/0x290 [ 41.039727] do_sendfile+0x5d5/0xe90 [ 41.043414] ? do_compat_pwritev64+0x100/0x100 [ 41.047970] ? __might_sleep+0x95/0x190 [ 41.051915] ? kasan_check_write+0x14/0x20 [ 41.056207] ? _copy_from_user+0x99/0x110 [ 41.060323] SyS_sendfile64+0xbd/0x160 [ 41.064175] ? SyS_sendfile+0x1a0/0x1a0 [ 41.068115] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.073096] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.077822] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 41.082541] RIP: 0033:0x4529d9 [ 41.085696] RSP: 002b:00007f9015b98c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000028 [ 41.093372] RAX: ffffffffffffffda RBX: 00007f9015b98940 RCX: 00000000004529d9 [ 41.100611] RDX: 0000000020014000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.107848] RBP: 00007f9015b98930 R08: 0000000000000000 R09: 0000000000000000 [ 41.115083] R10: 1000000800000008 R11: 0000000000000212 R12: 00000000004b7369 [ 41.122318] R13: 00007f9015b98ab8 R14: 00000000004b7379 R15: 0000000000000000 [ 41.129561] 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 [ 41.148625] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801d3f87488 [ 41.155125] ---[ end trace 7900352b66b81666 ]--- [ 41.159862] Kernel panic - not syncing: Fatal exception [ 41.165548] Dumping ftrace buffer: [ 41.169058] (ftrace buffer empty) [ 41.172735] Kernel Offset: disabled [ 41.176329] Rebooting in 86400 seconds..