libselinux: free memory on selabel_open(3) failure

If selabel_open(3) fails, e.g. when a specfile has the wrong file permissions, free the memory allocated for digests. Fixes: e40bbea ("libselinux: Add selabel_digest function") Acked-by: James Carter <[email protected]> Signed-off-by: Christian Göttsche <[email protected]>
SELinuxProject · Apr 20, 2022 · b9a4d13 · b9a4d13
1 parent 63df12f
commit b9a4d13
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/libselinux/src/label.c b/libselinux/src/label.c
@@ -226,6 +226,8 @@ struct selabel_handle *selabel_open(unsigned int backend,
 	rec->digest = selabel_is_digest_set(opts, nopts, rec->digest);
 
 	if ((*initfuncs[backend])(rec, opts, nopts)) {
+		if (rec->digest)
+			selabel_digest_fini(rec->digest);
 		free(rec->spec_file);
 		free(rec);
 		rec = NULL;