spawn: Fix crash when called with an empty table.

The spawn code didn't properly handle the case where there
is an empty command stream. In that case, no error is
reported as there is simply nothing to do. The error message
was probed and this caused an invalid read and crash.

Fix #1033
This commit is contained in:
Emmanuel Lepage Vallee 2016-08-09 18:29:22 -04:00
parent b470f8dfcf
commit b8eeb76608
1 changed files with 6 additions and 2 deletions

View File

@ -414,8 +414,12 @@ luaA_spawn(lua_State *L)
if(!argv || !argv[0])
{
g_strfreev(argv);
if (error) {
luaA_warn(L, "spawn: parse error: %s", error->message);
g_error_free(error);
}
else
luaA_warn(L, "spawn: There is nothing to execute");
return 1;
}