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-0,10.128.15.207' (ECDSA) to the list of known hosts. 2017/12/03 10:36:46 parsed 1 programs 2017/12/03 10:36:46 executed programs: 0 syzkaller login: [ 41.729225] kasan: CONFIG_KASAN_INLINE enabled [ 41.730025] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 41.731171] general protection fault: 0000 [#1] SMP KASAN [ 41.731936] Dumping ftrace buffer: [ 41.732412] (ftrace buffer empty) [ 41.732908] Modules linked in: [ 41.733343] CPU: 0 PID: 3096 Comm: syz-executor0 Not tainted 4.15.0-rc1+ #205 [ 41.734314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.735570] task: 00000000716ff31d task.stack: 00000000097f0838 [ 41.736384] RIP: 0010:sidtab_search_core+0x6a/0x320 [ 41.737048] RSP: 0018:ffff8801cbb8f488 EFLAGS: 00010202 [ 41.737758] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff82207ffd [ 41.738723] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c5180 [ 41.739676] RBP: ffff8801cbb8f4b8 R08: 0000000000000001 R09: 1ffffffff0d6ab32 [ 41.740675] R10: 0000000000000000 R11: ffffffff87489d60 R12: 0000000000000001 [ 41.741638] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 41.742609] FS: 00007fda01929700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 41.743683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.744496] CR2: 00000000004d5638 CR3: 00000001cb53e000 CR4: 00000000001406f0 [ 41.745491] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.746444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.747395] Call Trace: [ 41.747773] sidtab_search+0x1f/0x30 [ 41.748274] security_bounded_transition+0xa8/0x4d0 [ 41.748943] ? security_validate_transition+0x60/0x60 [ 41.749632] ? security_prepare_creds+0x89/0xb0 [ 41.754273] ? prepare_creds+0x2ba/0x360 [ 41.758300] ? abort_creds+0x130/0x130 [ 41.762158] ? check_stack_object+0x68/0x140 [ 41.766539] selinux_setprocattr+0x8d0/0xb50 [ 41.770916] ? ptrace_parent_sid+0x540/0x540 [ 41.775291] ? __kmalloc_track_caller+0x46d/0x760 [ 41.780106] security_setprocattr+0x85/0xc0 [ 41.784398] proc_pid_attr_write+0x1e6/0x280 [ 41.788784] ? proc_task_getattr+0x180/0x180 [ 41.793161] __vfs_write+0xef/0x970 [ 41.796758] ? trace_hardirqs_on+0xd/0x10 [ 41.800875] ? kernel_read+0x120/0x120 [ 41.804731] ? __lock_is_held+0xbc/0x140 [ 41.808766] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 41.814613] ? save_stack+0xa3/0xd0 [ 41.818207] ? rcu_note_context_switch+0x710/0x710 [ 41.823105] __kernel_write+0xfe/0x350 [ 41.826960] write_pipe_buf+0x175/0x220 [ 41.830899] ? default_file_splice_read+0xae0/0xae0 [ 41.835882] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 41.841734] ? splice_from_pipe_next.part.9+0x22e/0x2f0 [ 41.847067] __splice_from_pipe+0x328/0x730 [ 41.851354] ? default_file_splice_read+0xae0/0xae0 [ 41.856339] splice_from_pipe+0x1e9/0x330 [ 41.860452] ? default_file_splice_read+0xae0/0xae0 [ 41.865434] ? splice_shrink_spd+0xb0/0xb0 [ 41.869639] default_file_splice_write+0x40/0x90 [ 41.874361] ? generic_splice_sendpage+0x50/0x50 [ 41.879088] direct_splice_actor+0x125/0x180 [ 41.883462] splice_direct_to_actor+0x2c1/0x820 [ 41.888096] ? _cond_resched+0x14/0x30 [ 41.891949] ? generic_pipe_buf_nosteal+0x10/0x10 [ 41.896759] ? do_splice_to+0x170/0x170 [ 41.900700] ? security_file_permission+0x89/0x1f0 [ 41.905609] ? rw_verify_area+0xe5/0x2b0 [ 41.909651] do_splice_direct+0x2a7/0x3d0 [ 41.913781] ? splice_direct_to_actor+0x820/0x820 [ 41.918592] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 41.923314] ? __sb_start_write+0x203/0x290 [ 41.927601] do_sendfile+0x5d5/0xe90 [ 41.931283] ? do_compat_pwritev64+0x100/0x100 [ 41.935831] ? __might_sleep+0x95/0x190 [ 41.939830] ? kasan_check_write+0x14/0x20 [ 41.944034] ? _copy_from_user+0x99/0x110 [ 41.948149] SyS_sendfile64+0xbd/0x160 [ 41.952006] ? SyS_sendfile+0x1a0/0x1a0 [ 41.955945] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.960928] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.965655] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 41.970378] RIP: 0033:0x4529d9 [ 41.973536] RSP: 002b:00007fda01928c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000028 [ 41.981207] RAX: ffffffffffffffda RBX: 00007fda01928950 RCX: 00000000004529d9 [ 41.988443] RDX: 0000000020014000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.995679] RBP: 00007fda01928940 R08: 0000000000000000 R09: 0000000000000000 [ 42.002915] R10: 1000000800000008 R11: 0000000000000212 R12: 00000000004b7354 [ 42.010151] R13: 00007fda01928ac8 R14: 00000000004b7366 R15: 0000000000000000 [ 42.017399] 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 [ 42.036470] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801cbb8f488 [ 42.042994] ---[ end trace 62fee17bec45c02c ]--- [ 42.047740] Kernel panic - not syncing: Fatal exception [ 42.053106] Dumping ftrace buffer: [ 42.056615] (ftrace buffer empty) [ 42.060292] Kernel Offset: disabled [ 42.063887] Rebooting in 86400 seconds..