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crypto: user - fix memory leak in crypto_reportstat

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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>
This commit is contained in:
Navid Emamdoost
2019-10-04 14:34:54 -05:00
committed by Greg Kroah-Hartman
parent ceddd48c84
commit 86d280b570
1 changed files with 3 additions and 1 deletions
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4
crypto/crypto_user_stat.c
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@@ -326,8 +326,10 @@ int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh,
drop_alg: drop_alg:
crypto_mod_put(alg); crypto_mod_put(alg);
if (err) if (err) {
kfree_skb(skb);
return err; return err;
}
return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid); return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid);
} }