[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 19.192766] audit: type=1400 audit(1517747408.048:6): avc: denied { map } for pid=4162 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 '10.128.15.218' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 syzkaller login: [ 46.704782] audit: type=1400 audit(1517747435.560:7): avc: denied { map } for pid=4179 comm="syzkaller259690" path="/root/syzkaller259690226" 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 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 46.968550] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.476097] kasan: CONFIG_KASAN_INLINE enabled [ 49.480776] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 49.488145] general protection fault: 0000 [#1] SMP KASAN [ 49.493660] Dumping ftrace buffer: [ 49.497172] (ftrace buffer empty) [ 49.500851] Modules linked in: [ 49.504017] CPU: 1 PID: 4959 Comm: syzkaller259690 Not tainted 4.15.0+ #296 [ 49.511085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.520431] RIP: 0010:pppol2tp_connect+0x10a3/0x1dd0 [ 49.525499] RSP: 0018:ffff8801d975faf0 EFLAGS: 00010202 [ 49.530832] RAX: dffffc0000000000 RBX: ffff8801ae055480 RCX: ffffffff851a5940 [ 49.538071] RDX: 0000000000000045 RSI: 0000000026e401c4 RDI: 0000000000000228 [ 49.545312] RBP: ffff8801d975fd70 R08: 1ffff1003b2ebe9f R09: 0000000000000002 [ 49.552549] R10: ffff8801d975f9c0 R11: 0000000000000000 R12: ffff8801af081b40 [ 49.559788] R13: ffff8801d975fd48 R14: 0000000000000000 R15: ffff8801d975fc28 [ 49.567030] FS: 00007f6144c0d700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 49.575225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.581076] CR2: 00000000205fafd2 CR3: 00000001ac552003 CR4: 00000000001606e0 [ 49.588324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.595562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.602800] Call Trace: [ 49.605363] ? pppol2tp_recv_payload_hook+0x1b0/0x1b0 [ 49.610530] ? selinux_netlbl_socket_connect+0x76/0x1b0 [ 49.615866] ? selinux_socket_connect+0x311/0x730 [ 49.620687] ? lock_downgrade+0x980/0x980 [ 49.624805] ? selinux_socket_setsockopt+0x80/0x80 [ 49.629701] ? lock_release+0xa40/0xa40 [ 49.633646] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.639503] ? __check_object_size+0x8b/0x530 [ 49.643968] ? handle_mm_fault+0x476/0x930 [ 49.648177] ? __might_sleep+0x95/0x190 [ 49.652131] ? security_socket_connect+0x89/0xb0 [ 49.656859] SYSC_connect+0x213/0x4a0 [ 49.660629] ? SYSC_bind+0x410/0x410 [ 49.664318] ? do_page_fault+0xee/0x720 [ 49.668262] ? __do_page_fault+0xc90/0xc90 [ 49.672469] ? do_futex+0x22a0/0x22a0 [ 49.676236] ? SyS_socket+0x12d/0x1d0 [ 49.680008] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 49.684821] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.689811] SyS_connect+0x24/0x30 [ 49.693321] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 49.698047] RIP: 0033:0x44b3d9 [ 49.701207] RSP: 002b:00007f6144c0cce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 49.708882] RAX: ffffffffffffffda RBX: 00000000006e0be4 RCX: 000000000044b3d9 [ 49.716124] RDX: 000000000000002e RSI: 00000000205fafd2 RDI: 0000000000000005 [ 49.723363] RBP: 00000000006e0be0 R08: 0000000000000000 R09: 0000000000000000 [ 49.730599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.737838] R13: 00007fff375c64cf R14: 00007f6144c0d9c0 R15: 0000000000000001 [ 49.745082] Code: fe ff ff e8 70 4c 56 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 [ 49.764149] RIP: pppol2tp_connect+0x10a3/0x1dd0 RSP: ffff8801d975faf0 [ 49.770765] ---[ end trace 732c8ad9cf2ee053 ]--- [ 49.775512] Kernel panic - not syncing: Fatal exception [ 49.781265] Dumping ftrace buffer: [ 49.784778] (ftrace buffer empty) [ 49.788457] Kernel Offset: disabled [ 49.792055] Rebooting in 86400 seconds..