Commit 351a567e authored Oct 04, 2019 by Navid Emamdoost Committed by Greg Kroah-Hartman Dec 13, 2019

crypto: user - fix memory leak in crypto_report



commit ffdde5932042600c6807d46c1550b28b0db6a3bc upstream.

In crypto_report, a new skb is created via nlmsg_new(). This skb should
be released if crypto_report_alg() fails.

Fixes: a38f7907 ("crypto: Add userspace configuration API")
Cc: <stable@vger.kernel.org>
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent cdaeaea6

crypto/crypto_user.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -288,8 +288,10 @@ static int crypto_report(struct sk_buff in_skb, struct nlmsghdr in_nlh,
		drop_alg:
		crypto_mod_put(alg);

		if (err)
		if (err) {
		kfree_skb(skb);
		return err;
		}

		return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid);
		}