autofs-5.1.7 - fix possible memory leak in master_parse()

From: Ian Kent <raven@themaw.net>

Coverity: Overwriting "path" in "path = master_strdup(yyvsp[-1].strtype)"

	  leaks the storage that "path" points to.

Signed-off-by: Ian Kent <raven@themaw.net>

---

 CHANGELOG             |    1 +

 daemon/master_parse.y |    2 ++

 2 files changed, 3 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG

index 2186cbe3..b797f6dc 100644

--- a/CHANGELOG

+++ b/CHANGELOG

@@ -52,6 +52,7 @@

 - remove unused variable from get_exports().

 - add missing free in handle_mounts().

 - remove redundant if check.

+- fix possible memory leak in master_parse().

 25/01/2021 autofs-5.1.7

 - make bind mounts propagation slave by default.

diff --git a/daemon/master_parse.y b/daemon/master_parse.y

index 08e44b57..7480c36a 100644

--- a/daemon/master_parse.y

+++ b/daemon/master_parse.y

@@ -155,6 +155,8 @@ file: {

 line:

 	| PATH mapspec

 	{

+		if (path)

+			free(path);

 		path = master_strdup($1);

 		if (!path) {

 			local_free_vars();