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-386-0,10.128.15.194' (ECDSA) to the list of known hosts. 2017/12/02 02:30:24 parsed 1 programs 2017/12/02 02:30:24 executed programs: 0 syzkaller login: [ 32.641698] kasan: CONFIG_KASAN_INLINE enabled [ 32.642518] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.643627] general protection fault: 0000 [#1] SMP KASAN [ 32.644367] Dumping ftrace buffer: [ 32.644842] (ftrace buffer empty) [ 32.645336] Modules linked in: [ 32.645769] CPU: 0 PID: 3091 Comm: syz-executor0 Not tainted 4.15.0-rc1+ #114 [ 32.646722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.647943] task: 0000000050cf4b34 task.stack: 000000003c7bfb7a [ 32.648752] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 32.649416] RSP: 0018:ffff8801cc5672f0 EFLAGS: 00010202 [ 32.650126] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff82207ffd [ 32.651078] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c5180 [ 32.652030] RBP: ffff8801cc567320 R08: 0000000000000001 R09: 1ffffffff0d6ab32 [ 32.653024] R10: 0000000000000000 R11: ffffffff87489d60 R12: 0000000000000001 [ 32.653977] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 32.654986] FS: 0000000000000000(0000) GS:ffff8801db400000(0063) knlGS:00000000f7fcfb40 [ 32.656059] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 32.656831] CR2: 0000000008090150 CR3: 00000001cbb17000 CR4: 00000000001406f0 [ 32.657819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.658789] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.659742] Call Trace: [ 32.660122] sidtab_search+0x1f/0x30 [ 32.660624] security_bounded_transition+0xa8/0x4d0 [ 32.661295] ? security_validate_transition+0x60/0x60 [ 32.662015] ? security_prepare_creds+0x89/0xb0 [ 32.666653] ? prepare_creds+0x2ba/0x360 [ 32.670678] ? abort_creds+0x130/0x130 [ 32.674532] ? check_stack_object+0x68/0x140 [ 32.678909] selinux_setprocattr+0x8d0/0xb50 [ 32.683287] ? ptrace_parent_sid+0x540/0x540 [ 32.687670] ? __kmalloc_track_caller+0x46d/0x760 [ 32.692483] security_setprocattr+0x85/0xc0 [ 32.696772] proc_pid_attr_write+0x1e6/0x280 [ 32.701148] ? proc_task_getattr+0x180/0x180 [ 32.705520] __vfs_write+0xef/0x970 [ 32.709116] ? trace_hardirqs_on+0xd/0x10 [ 32.713251] ? kernel_read+0x120/0x120 [ 32.717109] ? __lock_is_held+0xbc/0x140 [ 32.721145] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.726993] ? save_stack+0xa3/0xd0 [ 32.730587] ? rcu_note_context_switch+0x710/0x710 [ 32.735481] __kernel_write+0xfe/0x350 [ 32.739334] write_pipe_buf+0x175/0x220 [ 32.743276] ? default_file_splice_read+0xae0/0xae0 [ 32.748257] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.754104] ? splice_from_pipe_next.part.9+0x22e/0x2f0 [ 32.759433] __splice_from_pipe+0x328/0x730 [ 32.763718] ? default_file_splice_read+0xae0/0xae0 [ 32.768702] splice_from_pipe+0x1e9/0x330 [ 32.772814] ? default_file_splice_read+0xae0/0xae0 [ 32.777794] ? splice_shrink_spd+0xb0/0xb0 [ 32.782000] ? security_file_permission+0x89/0x1f0 [ 32.786915] default_file_splice_write+0x40/0x90 [ 32.791641] ? generic_splice_sendpage+0x50/0x50 [ 32.796363] direct_splice_actor+0x125/0x180 [ 32.800739] splice_direct_to_actor+0x2c1/0x820 [ 32.805376] ? _cond_resched+0x14/0x30 [ 32.809244] ? generic_pipe_buf_nosteal+0x10/0x10 [ 32.814056] ? do_splice_to+0x170/0x170 [ 32.818006] ? security_file_permission+0x89/0x1f0 [ 32.822905] ? rw_verify_area+0xe5/0x2b0 [ 32.826931] do_splice_direct+0x2a7/0x3d0 [ 32.831050] ? splice_direct_to_actor+0x820/0x820 [ 32.835872] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 32.840609] ? __sb_start_write+0x203/0x290 [ 32.844898] do_sendfile+0x5d5/0xe90 [ 32.848581] ? do_compat_pwritev64+0x100/0x100 [ 32.853129] ? kmem_cache_free+0x249/0x280 [ 32.857329] ? __might_sleep+0x95/0x190 [ 32.861273] compat_SyS_sendfile+0xea/0x1a0 [ 32.865559] ? SyS_sendfile64+0x160/0x160 [ 32.869674] ? do_fast_syscall_32+0x156/0xf9d [ 32.874134] ? SyS_sendfile64+0x160/0x160 [ 32.878246] do_fast_syscall_32+0x3ee/0xf9d [ 32.882537] ? do_int80_syscall_32+0x9d0/0x9d0 [ 32.887088] ? lockdep_sys_exit+0x47/0xf0 [ 32.891204] ? syscall_return_slowpath+0x2ad/0x550 [ 32.896101] ? sysret32_from_system_call+0x5/0x3b [ 32.900913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.905720] entry_SYSENTER_compat+0x51/0x60 [ 32.910094] RIP: 0023:0xf7fd3c79 [ 32.913422] RSP: 002b:00000000f7fcf08c EFLAGS: 00000296 ORIG_RAX: 00000000000000bb [ 32.921094] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000 [ 32.928330] RDX: 0000000020014000 RSI: 0000000000000008 RDI: 0000000000000000 [ 32.935572] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.942815] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 32.950049] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.957291] 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 [ 32.976363] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801cc5672f0 [ 32.982878] ---[ end trace 728858a8403ca440 ]--- [ 32.987621] Kernel panic - not syncing: Fatal exception [ 32.992979] Dumping ftrace buffer: [ 32.996487] (ftrace buffer empty) [ 33.000168] Kernel Offset: disabled [ 33.003763] Rebooting in 86400 seconds..