lib ldb common: Fix memory leak

TALLOC_FREE the ldb_control allocated in ldb_parse_control_from_string
when none of the cases match.

Credit to OSS-Fuzz

Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: David Disseldorp <ddiss@samba.org>

diff --git a/lib/ldb/common/ldb_controls.c b/lib/ldb/common/ldb_controls.c
index 8a727f74e6e6da7467f8689a667cbab43ee51d06..4af06a436ab78419bd9f993727e371b65f87722b 100644 (file)
--- a/lib/ldb/common/ldb_controls.c
+++ b/lib/ldb/common/ldb_controls.c
@@ -1282,6 +1282,7 @@ struct ldb_control *ldb_parse_control_from_string(struct ldb_context *ldb, TALLO
        /*
         * When no matching control has been found.
         */
+       TALLOC_FREE(ctrl);
        return NULL;
 }