Warning: Permanently added '10.128.0.43' (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 [ 35.938107] audit: type=1400 audit(1519249203.481:7): avc: denied { map } for pid=4097 comm="syzkaller093078" path="/root/syzkaller093078050" 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 [ 36.720140] kasan: CONFIG_KASAN_INLINE enabled [ 36.724848] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.732233] general protection fault: 0000 [#1] SMP KASAN [ 36.737749] Dumping ftrace buffer: [ 36.741265] (ftrace buffer empty) [ 36.744948] Modules linked in: [ 36.748116] CPU: 1 PID: 4203 Comm: syzkaller093078 Not tainted 4.16.0-rc2+ #323 [ 36.755533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.764883] RIP: 0010:pppol2tp_connect+0x10a3/0x1dd0 [ 36.769959] RSP: 0018:ffff8801ba8c79a8 EFLAGS: 00010202 [ 36.775301] RAX: dffffc0000000000 RBX: ffff8801b8eb0c00 RCX: ffffffff851b65c0 [ 36.782543] RDX: 0000000000000045 RSI: 00000000154c0643 RDI: 0000000000000228 [ 36.789790] RBP: ffff8801ba8c7c28 R08: 1ffff10037518e77 R09: 0000000000000002 [ 36.797030] R10: ffff8801ba8c7878 R11: 0000000000000000 R12: ffff8801b28ce900 [ 36.804270] R13: ffff8801ba8c7c00 R14: 0000000000000000 R15: ffff8801ba8c7ae0 [ 36.811513] FS: 000000000211a880(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 36.819712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.825567] CR2: 0000000020000000 CR3: 00000001bb5df004 CR4: 00000000001606e0 [ 36.832813] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.840057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.847301] Call Trace: [ 36.849874] ? pppol2tp_recv_payload_hook+0x1b0/0x1b0 [ 36.855041] ? selinux_netlbl_socket_connect+0x76/0x1b0 [ 36.860381] ? selinux_socket_connect+0x311/0x730 [ 36.865197] ? lock_downgrade+0x980/0x980 [ 36.869317] ? selinux_socket_setsockopt+0x80/0x80 [ 36.874218] ? lock_release+0xa40/0xa40 [ 36.878175] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 36.884035] ? __check_object_size+0x8b/0x530 [ 36.888504] ? __might_sleep+0x95/0x190 [ 36.892460] ? security_socket_connect+0x89/0xb0 [ 36.897194] SYSC_connect+0x213/0x4a0 [ 36.900975] ? SYSC_bind+0x410/0x410 [ 36.904664] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 36.909216] ? vmacache_find+0x5f/0x280 [ 36.913163] ? vmacache_update+0xfe/0x130 [ 36.917296] ? mm_fault_error+0x2c0/0x2c0 [ 36.921415] ? move_addr_to_kernel+0x60/0x60 [ 36.925796] ? SyS_accept+0x30/0x30 [ 36.929398] SyS_connect+0x24/0x30 [ 36.932915] do_syscall_64+0x280/0x940 [ 36.936775] ? __do_page_fault+0xc90/0xc90 [ 36.940984] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.945716] ? syscall_return_slowpath+0x550/0x550 [ 36.950621] ? syscall_return_slowpath+0x2ac/0x550 [ 36.955525] ? prepare_exit_to_usermode+0x350/0x350 [ 36.960518] ? retint_user+0x18/0x18 [ 36.964204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.969021] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.974184] RIP: 0033:0x441479 [ 36.977360] RSP: 002b:00007ffc5543bfb8 EFLAGS: 00000207 ORIG_RAX: 000000000000002a [ 36.985044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441479 [ 36.992289] RDX: 000000000000003a RSI: 0000000020000000 RDI: 0000000000000004 [ 36.999532] RBP: 0000000000008f65 R08: 0000000000000000 R09: 0000000000000000 [ 37.006774] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 37.014020] R13: 00000000006cd428 R14: 0000000000000000 R15: 0000000000000000 [ 37.021272] Code: fe ff ff e8 10 a6 55 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 [ 37.040362] RIP: pppol2tp_connect+0x10a3/0x1dd0 RSP: ffff8801ba8c79a8 [ 37.046978] ---[ end trace 1644e5a1a63dd448 ]--- [ 37.051739] Kernel panic - not syncing: Fatal exception [ 37.057392] Dumping ftrace buffer: [ 37.060919] (ftrace buffer empty) [ 37.064603] Kernel Offset: disabled [ 37.068201] Rebooting in 86400 seconds..