From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4586633F0 for ; Mon, 16 Jan 2023 16:20:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE76BC433EF; Mon, 16 Jan 2023 16:20:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673886059; bh=qAED3E+ETI0Gk4E1R5vEDZalUETGgXiNJd6eun3DykM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pHGhdBbR9aNgVXgI8PSQbLqrcV79o2tVLszbg8Rprnd4jp4fTDBKEKX40LaWOgPKc V37SvElcsgJHt5EWufEKKz5N3X367vz+2kHFmZU7HgPUhA5VJnt6fpkKaxwVARQAtW T6SKJ0iQzOjud12UwD+PJ0AKGHj4caP9XqTrZDlI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhang Yiqun , Herbert Xu , Sasha Levin Subject: [PATCH 5.4 257/658] crypto: tcrypt - Fix multibuffer skcipher speed test mem leak Date: Mon, 16 Jan 2023 16:45:45 +0100 Message-Id: <20230116154921.334097275@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154909.645460653@linuxfoundation.org> References: <20230116154909.645460653@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Zhang Yiqun [ Upstream commit 1aa33fc8d4032227253ceb736f47c52b859d9683 ] In the past, the data for mb-skcipher test has been allocated twice, that means the first allcated memory area is without free, which may cause a potential memory leakage. So this patch is to remove one allocation to fix this error. Fixes: e161c5930c15 ("crypto: tcrypt - add multibuf skcipher...") Signed-off-by: Zhang Yiqun Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- crypto/tcrypt.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 0cece1f883eb..12dab10d36b2 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -1281,15 +1281,6 @@ static void test_mb_skcipher_speed(const char *algo, int enc, int secs, goto out_free_tfm; } - - for (i = 0; i < num_mb; ++i) - if (testmgr_alloc_buf(data[i].xbuf)) { - while (i--) - testmgr_free_buf(data[i].xbuf); - goto out_free_tfm; - } - - for (i = 0; i < num_mb; ++i) { data[i].req = skcipher_request_alloc(tfm, GFP_KERNEL); if (!data[i].req) { -- 2.35.1