diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 397d305..1bffbe0 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -820,6 +820,8 @@
 	int res;
 	char buf[16];
 
+	memset(&bprm, 0, sizeof(bprm));
+
 	/* Create the file name */
 	sprintf(buf, "/lib/lib%d.so", id);
 
@@ -835,6 +837,12 @@
 	if (!bprm.cred)
 		goto out;
 
+	/* We don't really care about recalculating credentials at this point
+	 * as we're past the point of no return and are dealing with shared
+	 * libraries.
+	 */
+	bprm.cred_prepared = 1;
+
 	res = prepare_binprm(&bprm);
 
 	if (!IS_ERR_VALUE(res))