[?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. [ 17.669368] audit: type=1400 audit(1517505750.409:6): avc: denied { map } for pid=4138 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 '10.128.0.17' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 syzkaller login: [ 42.255158] audit: type=1400 audit(1517505774.994:7): avc: denied { map } for pid=4156 comm="syzkaller280285" path="/root/syzkaller280285120" 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 [ 42.263209] IPVS: ftp: loaded support on port[0] = 21 [ 42.286573] audit: type=1400 audit(1517505774.997:8): avc: denied { sys_admin } for pid=4156 comm="syzkaller280285" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 42.311940] audit: type=1400 audit(1517505775.021:9): avc: denied { net_admin } for pid=4157 comm="syzkaller280285" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 42.463825] 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 [ 42.794632] audit: type=1400 audit(1517505775.534:10): avc: denied { sys_chroot } for pid=4157 comm="syzkaller280285" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns 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 [ 43.085054] kasan: CONFIG_KASAN_INLINE enabled [ 43.089697] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.097058] general protection fault: 0000 [#1] SMP KASAN [ 43.102567] Dumping ftrace buffer: [ 43.106075] (ftrace buffer empty) [ 43.109753] Modules linked in: [ 43.112919] CPU: 0 PID: 4376 Comm: syzkaller280285 Not tainted 4.15.0+ #290 [ 43.119987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.129323] RIP: 0010:pppol2tp_connect+0x10a3/0x1dd0 [ 43.134393] RSP: 0018:ffff8801b1907af0 EFLAGS: 00010202 [ 43.139727] RAX: dffffc0000000000 RBX: ffff8801d08e3580 RCX: ffffffff851786a0 [ 43.146965] RDX: 0000000000000045 RSI: 00000000a24475f0 RDI: 0000000000000228 [ 43.154204] RBP: ffff8801b1907d70 R08: 1ffff10036320e9f R09: 0000000000000002 [ 43.161443] R10: ffff8801b19079c0 R11: 0000000000000000 R12: ffff8801db1cbb00 [ 43.168681] R13: ffff8801b1907d48 R14: 0000000000000000 R15: ffff8801b1907c28 [ 43.175918] FS: 00007faa8b912700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 43.184112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.189964] CR2: 00000000205fafd2 CR3: 00000001b3865002 CR4: 00000000001606f0 [ 43.197205] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.204457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.211696] Call Trace: [ 43.214258] ? pppol2tp_recv_payload_hook+0x1b0/0x1b0 [ 43.219425] ? selinux_netlbl_socket_connect+0x76/0x1b0 [ 43.224757] ? selinux_socket_connect+0x311/0x730 [ 43.229569] ? lock_downgrade+0x980/0x980 [ 43.233686] ? selinux_socket_setsockopt+0x80/0x80 [ 43.238581] ? lock_release+0xa40/0xa40 [ 43.242524] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.248375] ? __check_object_size+0x25d/0x4f0 [ 43.252928] ? handle_mm_fault+0x476/0x930 [ 43.257913] ? __might_sleep+0x95/0x190 [ 43.261859] ? security_socket_connect+0x89/0xb0 [ 43.266584] SYSC_connect+0x213/0x4a0 [ 43.270353] ? SYSC_bind+0x410/0x410 [ 43.274040] ? do_page_fault+0xee/0x720 [ 43.277984] ? __do_page_fault+0xc90/0xc90 [ 43.282192] ? do_futex+0x22a0/0x22a0 [ 43.285962] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 43.290772] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.295759] SyS_connect+0x24/0x30 [ 43.299271] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 43.303993] RIP: 0033:0x44bec9 [ 43.307150] RSP: 002b:00007faa8b911db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 43.314826] RAX: ffffffffffffffda RBX: 000000000070003c RCX: 000000000044bec9 [ 43.322066] RDX: 000000000000002e RSI: 00000000205fafd2 RDI: 0000000000000007 [ 43.329316] RBP: 0000000000700038 R08: 0000000000000000 R09: 0000000000000000 [ 43.336554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.343793] R13: 000000000080f40f R14: 00007faa8b9129c0 R15: 0000000000000005 [ 43.351036] Code: fe ff ff e8 e0 17 59 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 [ 43.370099] RIP: pppol2tp_connect+0x10a3/0x1dd0 RSP: ffff8801b1907af0 [ 43.376808] ---[ end trace 7967a6a7e8bf2bb9 ]--- [ 43.381550] Kernel panic - not syncing: Fatal exception [ 43.387261] Dumping ftrace buffer: [ 43.390771] (ftrace buffer empty) [ 43.394452] Kernel Offset: disabled [ 43.398049] Rebooting in 86400 seconds..