From: Pan Chen <serial115200@outlook.com>
Date: Mon, 2 Nov 2020 01:53:28 +0000 (+0800)
Subject: ustream-ssl: openssl: fix bio memory leak
X-Git-Url: http://git.openwrt.org/?p=project%2Fustream-ssl.git;a=commitdiff_plain;h=1651a795864e7a8741cb56e7ddd2208070f2cf47

ustream-ssl: openssl: fix bio memory leak

free memory of bio method when ustream be freed

Signed-off-by: Pan Chen <serial115200@outlook.com>
---

diff --git a/openssl_bio_compat.h b/openssl_bio_compat.h
index 9355c86..39a0455 100644
--- a/openssl_bio_compat.h
+++ b/openssl_bio_compat.h
@@ -28,6 +28,13 @@ static inline BIO_METHOD *BIO_meth_new(int type, const char *name)
 	return bm;
 }
 
+static inline void BIO_meth_free(BIO_METHOD *bm)
+{
+	if (bm != NULL) {
+		free(bm);
+	}
+}
+
 #endif /* OPENSSL_VERSION_NUMBER */
 
 #endif /* OPENSSL_BIO_COMPAT_H */
diff --git a/ustream-io-openssl.c b/ustream-io-openssl.c
index 606ed4a..c9d7fae 100644
--- a/ustream-io-openssl.c
+++ b/ustream-io-openssl.c
@@ -42,6 +42,7 @@ s_ustream_free(BIO *b)
 	BIO_set_data(b, NULL);
 	BIO_set_init(b, 0);
 	BIO_clear_flags(b, ~0);
+	BIO_meth_free(b->method);
 	return 1;
 }