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Date:   Sat, 15 May 2021 09:43:07 -0400
From:   Steve Grubb <sgrubb@redhat.com>
To:     linux-bluetooth@vger.kernel.org
Subject: [Bluez PATCH ] Fix memory leaks in obex
Message-ID: <20210515094307.16fb1572@ivy-bridge>
Organization: Red Hat
MIME-Version: 1.0
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Precedence: bulk

This patch fixes a couple memory leaks.

In filesystem, g_file_get_contents allocates fresh memory to buf.
It needs to be freed after conversion to a GString object.

Destination was missed on an error path as is mld.

---
 obexd/plugins/filesystem.c     | 2 +-
 obexd/plugins/ftp.c            | 8 ++++++--
 obexd/plugins/messages-dummy.c | 1 +
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/obexd/plugins/filesystem.c b/obexd/plugins/filesystem.c
index 09bff8ad0..44e3cf3d2 100644
--- a/obexd/plugins/filesystem.c
+++ b/obexd/plugins/filesystem.c@@ -416,6 +416,7 @@ static void *capability_open(const char *name, int oflag, mode_t mode,
 		}
 
 		object->buffer = g_string_new(buf);
+		g_free(buf);
 
 		if (size)
 			*size = object->buffer->len;
diff --git a/obexd/plugins/ftp.c b/obexd/plugins/ftp.c
index 259bfcae2..4b04bab06 100644
--- a/obexd/plugins/ftp.c
+++ b/obexd/plugins/ftp.c
@@ -386,8 +386,10 @@ static int ftp_copy(struct ftp_session *ftp, const char *name,
 	ret = verify_path(destdir);
 	g_free(destdir);
 
-	if (ret < 0)
+	if (ret < 0) {
+		g_free(destination);
 		return ret;
+	}
 
 	source = g_build_filename(ftp->folder, name, NULL);
 
@@ -424,8 +426,10 @@ static int ftp_move(struct ftp_session *ftp, const char *name,
 	ret = verify_path(destdir);
 	g_free(destdir);
 
-	if (ret < 0)
+	if (ret < 0) {
+		g_free(destination);
 		return ret;
+	}
 
 	source = g_build_filename(ftp->folder, name, NULL);
 
diff --git a/obexd/plugins/messages-dummy.c b/obexd/plugins/messages-dummy.c
index 34199fa05..e37b52df6 100644
--- a/obexd/plugins/messages-dummy.c
+++ b/obexd/plugins/messages-dummy.c
@@ -488,6 +488,7 @@ int messages_get_messages_listing(void *session, const char *name,
 			int err = -errno;
 			DBG("fopen(): %d, %s", -err, strerror(-err));
 			g_free(path);
+			g_free(mld);
 			return -EBADR;
 		}
 	}
-- 
2.31.1