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crypto: user - fix memory leak in crypto_reportstat

commit c03b04dcdb upstream.

In crypto_reportstat, a new skb is created by nlmsg_new(). This skb is
leaked if crypto_reportstat_alg() fails. Required release for skb is
added.

Fixes: cac5818c25 ("crypto: user - Implement a generic crypto statistics")
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>
5.4-rM2-2.2.x-imx-squashed
Navid Emamdoost 2019-10-04 14:34:54 -05:00 committed by Greg Kroah-Hartman
parent b022e155cc
commit d8d63ea238
1 changed files with 3 additions and 1 deletions

View File

@ -328,8 +328,10 @@ int crypto_reportstat(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(net->crypto_nlsk, skb, NETLINK_CB(in_skb).portid);
}