[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 18.796629] audit: type=1400 audit(1519583638.716:6): avc: denied { map } for pid=4189 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.229' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 32.895287] audit: type=1400 audit(1519583652.815:7): avc: denied { map } for pid=4206 comm="syzkaller558077" path="/root/syzkaller558077830" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 39.759114] kasan: CONFIG_KASAN_INLINE enabled [ 39.763777] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 39.771309] general protection fault: 0000 [#1] SMP KASAN [ 39.776822] Dumping ftrace buffer: [ 39.780331] (ftrace buffer empty) [ 39.784011] Modules linked in: [ 39.787179] CPU: 1 PID: 5265 Comm: syzkaller558077 Not tainted 4.16.0-rc2+ #328 [ 39.794593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.803925] RIP: 0010:pppol2tp_connect+0x10a3/0x1dd0 [ 39.808993] RSP: 0018:ffff8801b0df79a8 EFLAGS: 00010202 [ 39.814325] RAX: dffffc0000000000 RBX: ffff8801d8e195c0 RCX: ffffffff854ae0e0 [ 39.821564] RDX: 0000000000000045 RSI: 0000000024deec74 RDI: 0000000000000228 [ 39.828804] RBP: ffff8801b0df7c28 R08: 1ffff100361bee77 R09: 0000000000000002 [ 39.836043] R10: ffff8801b0df7878 R11: 0000000000000000 R12: ffff8801b0eba480 [ 39.843289] R13: ffff8801b0df7c00 R14: 0000000000000000 R15: ffff8801b0df7ae0 [ 39.850532] FS: 00000000024fd880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 39.858726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.864576] CR2: 0000000020348fd2 CR3: 00000001d8d6d003 CR4: 00000000001606e0 [ 39.871829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.879068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.886313] Call Trace: [ 39.888879] ? pppol2tp_recv_payload_hook+0x1b0/0x1b0 [ 39.894041] ? selinux_netlbl_socket_connect+0x76/0x1b0 [ 39.899386] ? selinux_socket_connect+0x311/0x730 [ 39.904198] ? lock_downgrade+0x980/0x980 [ 39.908317] ? selinux_socket_setsockopt+0x80/0x80 [ 39.913219] ? lock_release+0xa40/0xa40 [ 39.917163] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 39.923019] ? __check_object_size+0x8b/0x530 [ 39.927486] ? __might_sleep+0x95/0x190 [ 39.931436] ? security_socket_connect+0x89/0xb0 [ 39.936163] SYSC_connect+0x213/0x4a0 [ 39.939934] ? SYSC_bind+0x410/0x410 [ 39.943619] ? __handle_mm_fault+0x3b60/0x3b60 [ 39.948170] ? vmacache_find+0x5f/0x280 [ 39.952113] ? vmacache_update+0xfe/0x130 [ 39.956241] ? mm_fault_error+0x2c0/0x2c0 [ 39.960364] ? move_addr_to_kernel+0x60/0x60 [ 39.964744] ? SyS_accept+0x30/0x30 [ 39.968338] SyS_connect+0x24/0x30 [ 39.971852] do_syscall_64+0x280/0x940 [ 39.975708] ? __do_page_fault+0xc90/0xc90 [ 39.979914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.984640] ? syscall_return_slowpath+0x550/0x550 [ 39.989539] ? syscall_return_slowpath+0x2ac/0x550 [ 39.994438] ? prepare_exit_to_usermode+0x350/0x350 [ 39.999428] ? retint_user+0x18/0x18 [ 40.003113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.007928] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 40.013088] RIP: 0033:0x441449 [ 40.016246] RSP: 002b:00007fff61ba1c58 EFLAGS: 00000207 ORIG_RAX: 000000000000002a [ 40.023923] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441449 [ 40.031171] RDX: 000000000000002e RSI: 0000000020348fd2 RDI: 0000000000000004 [ 40.038411] RBP: 0000000000009b46 R08: 0000000000000000 R09: 0000000000000000 [ 40.045652] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 40.052892] R13: 00000000006cd428 R14: 0000000000000000 R15: 0000000000000000 [ 40.060140] Code: fe ff ff e8 c0 2b 26 fc 4c 89 fa 49 8d be 28 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 c6 04 02 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 df 09 00 00 4c 89 fa 48 b8 00 00 00 00 00 fc [ 40.079218] RIP: pppol2tp_connect+0x10a3/0x1dd0 RSP: ffff8801b0df79a8 [ 40.085833] ---[ end trace 7b1a03c46be2df94 ]--- [ 40.090617] Kernel panic - not syncing: Fatal exception [ 40.096286] Dumping ftrace buffer: [ 40.099800] (ftrace buffer empty) [ 40.103482] Kernel Offset: disabled [ 40.107082] Rebooting in 86400 seconds..