[Minor] Fix tensor projections multiplication

diff --git a/src/lua/lua_tensor.c b/src/lua/lua_tensor.c
index 252c9ab92876fda7e0b0e01397be8cdebfe4f94a..6e5bec7d8f1dad17e780c795ad69420d90434dc4 100644 (file)
--- a/src/lua/lua_tensor.c
+++ b/src/lua/lua_tensor.c
@@ -60,6 +60,7 @@ lua_newtensor (lua_State *L, int ndims, const int *dim, bool zero_fill, bool own
        struct rspamd_lua_tensor *res;
 
        res = lua_newuserdata (L, sizeof (struct rspamd_lua_tensor));
+       memset (res, 0, sizeof (*res));
 
        res->ndims = ndims;
        res->size = 1;
@@ -453,10 +454,10 @@ lua_tensor_mul (lua_State *L)
 
        if (t1 && t2) {
                gint dims[2], shadow_dims[2];
-               dims[0] = transA ? t1->dim[1] : t1->dim[0];
-               shadow_dims[0] = transB ? t2->dim[1] : t2->dim[0];
-               dims[1] = transB ? t2->dim[0] : t2->dim[1];
-               shadow_dims[1] = transA ? t1->dim[0] : t1->dim[1];
+               dims[0] = abs (transA ? t1->dim[1] : t1->dim[0]);
+               shadow_dims[0] = abs (transB ? t2->dim[1] : t2->dim[0]);
+               dims[1] = abs (transB ? t2->dim[0] : t2->dim[1]);
+               shadow_dims[1] = abs (transA ? t1->dim[0] : t1->dim[1]);
 
                if (shadow_dims[0] != shadow_dims[1]) {
                        return luaL_error (L, "incompatible dimensions %d x %d * %d x %d",