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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Stephan Mueller <smueller@chronox.de>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH] crypto: dh - fix memory leak
Date: Tue, 10 Jul 2018 09:22:52 -0500	[thread overview]
Message-ID: <20180710142252.GA19600@embeddedor.com> (raw)

In case memory resources for *base* were allocated, release them
before return.

Addresses-Coverity-ID: 1471702 ("Resource leak")
Fixes: e3fe0ae12962 ("crypto: dh - add public key verification test")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 crypto/dh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/dh.c b/crypto/dh.c
index 8f79269..09a44de 100644
--- a/crypto/dh.c
+++ b/crypto/dh.c
@@ -174,7 +174,7 @@ static int dh_compute_value(struct kpp_request *req)
 		}
 		ret = dh_is_pubkey_valid(ctx, base);
 		if (ret)
-			goto err_free_val;
+			goto err_free_base;
 	} else {
 		base = ctx->g;
 	}
-- 
2.7.4

             reply	other threads:[~2018-07-10 14:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-10 14:22 Gustavo A. R. Silva [this message]
2018-07-10 15:28 ` [PATCH] crypto: dh - fix memory leak Stephan Müller
2018-07-10 16:49   ` Gustavo A. R. Silva
2018-07-20  5:53 ` Herbert Xu

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