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-8,10.128.15.209' (ECDSA) to the list of known hosts. 2017/12/03 09:18:11 parsed 1 programs 2017/12/03 09:18:11 executed programs: 0 syzkaller login: [ 40.589194] kasan: CONFIG_KASAN_INLINE enabled [ 40.589946] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.591122] general protection fault: 0000 [#1] SMP KASAN [ 40.591857] Dumping ftrace buffer: [ 40.592332] (ftrace buffer empty) [ 40.592826] Modules linked in: [ 40.593260] CPU: 1 PID: 3091 Comm: syz-executor0 Not tainted 4.15.0-rc1+ #205 [ 40.594231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.595450] task: 00000000ccfdb5ae task.stack: 00000000c6879de8 [ 40.596254] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 40.596916] RSP: 0018:ffff8801d458f488 EFLAGS: 00010202 [ 40.597625] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff82207ffd [ 40.598593] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c5180 [ 40.599556] RBP: ffff8801d458f4b8 R08: 0000000000000001 R09: 1ffffffff0d6ab32 [ 40.600553] R10: 0000000000000000 R11: ffffffff87489d60 R12: 0000000000000001 [ 40.601523] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 40.602475] FS: 00007f116b9aa700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 40.603549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.604335] CR2: 00000000004d5638 CR3: 00000001cc45a000 CR4: 00000000001406e0 [ 40.605288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.606240] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.607190] Call Trace: [ 40.607578] sidtab_search+0x1f/0x30 [ 40.608083] security_bounded_transition+0xa8/0x4d0 [ 40.608768] ? security_validate_transition+0x60/0x60 [ 40.610235] ? security_prepare_creds+0x89/0xb0 [ 40.614874] ? prepare_creds+0x2ba/0x360 [ 40.618905] ? abort_creds+0x130/0x130 [ 40.622762] ? check_stack_object+0x68/0x140 [ 40.627141] selinux_setprocattr+0x8d0/0xb50 [ 40.631517] ? ptrace_parent_sid+0x540/0x540 [ 40.635892] ? __kmalloc_track_caller+0x46d/0x760 [ 40.640704] security_setprocattr+0x85/0xc0 [ 40.644997] proc_pid_attr_write+0x1e6/0x280 [ 40.649372] ? proc_task_getattr+0x180/0x180 [ 40.653744] __vfs_write+0xef/0x970 [ 40.657341] ? trace_hardirqs_on+0xd/0x10 [ 40.661486] ? kernel_read+0x120/0x120 [ 40.665340] ? __lock_is_held+0xbc/0x140 [ 40.669374] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.675222] ? save_stack+0xa3/0xd0 [ 40.678816] ? rcu_note_context_switch+0x710/0x710 [ 40.683741] __kernel_write+0xfe/0x350 [ 40.687598] write_pipe_buf+0x175/0x220 [ 40.691538] ? default_file_splice_read+0xae0/0xae0 [ 40.696516] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.702365] ? splice_from_pipe_next.part.9+0x22e/0x2f0 [ 40.707694] __splice_from_pipe+0x328/0x730 [ 40.711981] ? default_file_splice_read+0xae0/0xae0 [ 40.716963] splice_from_pipe+0x1e9/0x330 [ 40.721078] ? default_file_splice_read+0xae0/0xae0 [ 40.726057] ? splice_shrink_spd+0xb0/0xb0 [ 40.730263] default_file_splice_write+0x40/0x90 [ 40.734985] ? generic_splice_sendpage+0x50/0x50 [ 40.739706] direct_splice_actor+0x125/0x180 [ 40.744082] splice_direct_to_actor+0x2c1/0x820 [ 40.748718] ? _cond_resched+0x14/0x30 [ 40.752569] ? generic_pipe_buf_nosteal+0x10/0x10 [ 40.757377] ? do_splice_to+0x170/0x170 [ 40.761315] ? security_file_permission+0x89/0x1f0 [ 40.766211] ? rw_verify_area+0xe5/0x2b0 [ 40.770239] do_splice_direct+0x2a7/0x3d0 [ 40.774353] ? splice_direct_to_actor+0x820/0x820 [ 40.779162] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 40.783893] ? __sb_start_write+0x203/0x290 [ 40.788191] do_sendfile+0x5d5/0xe90 [ 40.791872] ? do_compat_pwritev64+0x100/0x100 [ 40.796420] ? __might_sleep+0x95/0x190 [ 40.800361] ? kasan_check_write+0x14/0x20 [ 40.804562] ? _copy_from_user+0x99/0x110 [ 40.808675] SyS_sendfile64+0xbd/0x160 [ 40.812529] ? SyS_sendfile+0x1a0/0x1a0 [ 40.816468] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.821451] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.826174] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 40.830894] RIP: 0033:0x4529d9 [ 40.834050] RSP: 002b:00007f116b9a9c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000028 [ 40.841722] RAX: ffffffffffffffda RBX: 00007f116b9a9940 RCX: 00000000004529d9 [ 40.848957] RDX: 0000000020014000 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.856193] RBP: 00007f116b9a9930 R08: 0000000000000000 R09: 0000000000000000 [ 40.863427] R10: 1000000800000008 R11: 0000000000000212 R12: 00000000004b7369 [ 40.870662] R13: 00007f116b9a9ab8 R14: 00000000004b7379 R15: 0000000000000000 [ 40.877905] 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 [ 40.896966] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801d458f488 [ 40.903486] ---[ end trace 23d4f2c362fad12a ]--- [ 40.908220] Kernel panic - not syncing: Fatal exception [ 40.913574] Dumping ftrace buffer: [ 40.917080] (ftrace buffer empty) [ 40.920757] Kernel Offset: disabled [ 40.924350] Rebooting in 86400 seconds..