diff -rauN slang-2.3.2/modules/chksum-module.c slang-2.3.2-chksum-memset-patch/modules/chksum-module.c
--- slang-2.3.2/modules/chksum-module.c	2018-03-05 00:16:36.000000000 +0100
+++ slang-2.3.2-chksum-memset-patch/modules/chksum-module.c	2022-01-17 19:51:00.277766857 +0100
@@ -103,7 +103,7 @@
    obj = (Chksum_Object_Type *)SLmalloc (sizeof (Chksum_Object_Type));
    if (obj == NULL)
      return;
-   memset ((char *)obj, 0, sizeof(SLChksum_Type));
+   memset ((char *)obj, 0, sizeof(Chksum_Object_Type));
 
    obj->numrefs = 1;
    if (NULL == (obj->c = t->create (name)))