[?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. [ 18.423733] audit: type=1400 audit(1519793822.309:6): avc: denied { map } for pid=4237 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 '10.128.0.45' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 24.777466] audit: type=1400 audit(1519793828.663:7): avc: denied { map } for pid=4251 comm="syzkaller289672" path="/root/syzkaller289672526" 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 [ 25.577194] kasan: CONFIG_KASAN_INLINE enabled [ 25.581874] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.589250] general protection fault: 0000 [#1] SMP KASAN [ 25.594769] Dumping ftrace buffer: [ 25.598280] (ftrace buffer empty) [ 25.601959] Modules linked in: [ 25.605122] CPU: 1 PID: 4503 Comm: syzkaller289672 Not tainted 4.16.0-rc3+ #332 [ 25.612540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.621875] RIP: 0010:pppol2tp_connect+0x10a3/0x1dd0 [ 25.626947] RSP: 0018:ffff8801afd079a8 EFLAGS: 00010202 [ 25.632290] RAX: dffffc0000000000 RBX: ffff8801affaf4c0 RCX: ffffffff854a6dd0 [ 25.639530] RDX: 0000000000000045 RSI: 0000000026e401c4 RDI: 0000000000000228 [ 25.646775] RBP: ffff8801afd07c28 R08: 1ffff10035fa0e77 R09: 0000000000000002 [ 25.654019] R10: ffff8801afd07878 R11: 0000000000000000 R12: ffff8801afef0000 [ 25.661261] R13: ffff8801afd07c00 R14: 0000000000000000 R15: ffff8801afd07ae0 [ 25.668501] FS: 00007f851f86f700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 25.676693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.682543] CR2: 00000000205fafd2 CR3: 00000001af926005 CR4: 00000000001606e0 [ 25.689789] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.697033] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.704276] Call Trace: [ 25.706840] ? pppol2tp_recv_payload_hook+0x1b0/0x1b0 [ 25.712004] ? selinux_netlbl_socket_connect+0x76/0x1b0 [ 25.717344] ? selinux_socket_connect+0x311/0x730 [ 25.722159] ? lock_downgrade+0x980/0x980 [ 25.726279] ? selinux_socket_setsockopt+0x80/0x80 [ 25.731179] ? lock_release+0xa40/0xa40 [ 25.735121] ? check_same_owner+0x320/0x320 [ 25.739413] ? __check_object_size+0x8b/0x530 [ 25.743883] ? __might_sleep+0x95/0x190 [ 25.747834] ? security_socket_connect+0x89/0xb0 [ 25.752560] SYSC_connect+0x213/0x4a0 [ 25.756332] ? SYSC_bind+0x410/0x410 [ 25.760021] ? __handle_mm_fault+0x38c0/0x38c0 [ 25.764577] ? vmacache_find+0x5f/0x280 [ 25.768522] ? vmacache_update+0xfe/0x130 [ 25.772648] ? mm_fault_error+0x2c0/0x2c0 [ 25.776764] ? move_addr_to_kernel+0x60/0x60 [ 25.781145] SyS_connect+0x24/0x30 [ 25.784654] ? SyS_accept+0x30/0x30 [ 25.788255] do_syscall_64+0x281/0x940 [ 25.792114] ? __do_page_fault+0xc90/0xc90 [ 25.796321] ? syscall_return_slowpath+0x550/0x550 [ 25.801219] ? syscall_return_slowpath+0x2ac/0x550 [ 25.806117] ? prepare_exit_to_usermode+0x350/0x350 [ 25.811104] ? retint_user+0x18/0x18 [ 25.814789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.819602] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.824759] RIP: 0033:0x4468e9 [ 25.827918] RSP: 002b:00007f851f86edb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 25.835596] RAX: ffffffffffffffda RBX: 00000000006e29e4 RCX: 00000000004468e9 [ 25.842841] RDX: 000000000000002e RSI: 00000000205fafd2 RDI: 0000000000000004 [ 25.850084] RBP: 00000000006e29e0 R08: 0000000000000000 R09: 0000000000000000 [ 25.857322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 25.864562] R13: 00007ffc72120acf R14: 00007f851f86f9c0 R15: 0000000000000003 [ 25.871820] Code: fe ff ff e8 70 86 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 [ 25.890886] RIP: pppol2tp_connect+0x10a3/0x1dd0 RSP: ffff8801afd079a8 [ 25.897504] ---[ end trace 77d7576e6c937238 ]--- [ 25.902258] Kernel panic - not syncing: Fatal exception [ 25.907999] Dumping ftrace buffer: [ 25.911519] (ftrace buffer empty) [ 25.915197] Kernel Offset: disabled [ 25.918799] Rebooting in 86400 seconds..