| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 089/199] crypto: user - fix memory leak in crypto_report | Date | Thu, 19 Dec 2019 19:32:51 +0100 |
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From: Navid Emamdoost <navid.emamdoost@gmail.com>
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: a38f7907b926 ("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>
--- crypto/crypto_user.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -269,8 +269,10 @@ static int crypto_report(struct sk_buff 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); }
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