From nobody Thu Apr 2 09:27:21 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5EDE228C87C; Mon, 30 Mar 2026 03:34:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774841662; cv=none; b=iZIRb3Rt0NzSRmqm2f0kUZSKkOjixHYTh0YIfxopUK5Mu1/tusimzcqgPb9z9M1FptxhLXt9aDUCTasAQgKVB0zd2+PWrmwsbCnBwg/o73KvyGA5qO/v3qmSuEfjJN+kXUeRHGRjNmf1t1GRhyJ6CtkgTbCxZ8zyfOEiDzgbFJI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774841662; c=relaxed/simple; bh=gF94nN1HNBBYofW7e29FtsWe5UV4FRx4xsLOF+VQ5xs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Sox8a8BhezBfAH4O34uNLqVHtY6ti0XdRKKTXX8QS9mKbfkGzG7CBc1AF8Zv2LtjdV1AwLE+82//Q1zuOAGXSlCKfWISLBFhQCj9w5JHJ2Ur7gkEhd96B3+f9cjRZUluYmPZgzxEKhfafiKc+qOy3bYXZcTa1BU91F6pBBKdb80= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from localhost.localdomain (unknown [36.112.3.223]) by APP-03 (Coremail) with SMTP id rQCowAD32uEr78lpGQhGDA--.29555S2; Mon, 30 Mar 2026 11:34:03 +0800 (CST) From: Haoxiang Li To: gilad@benyossef.com, herbert@gondor.apana.org.au, davem@davemloft.net Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] crypto: ccree: fix a memory leak in cc_mac_digest() Date: Mon, 30 Mar 2026 11:34:02 +0800 Message-Id: <20260330033402.2758074-1-lihaoxiang@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: rQCowAD32uEr78lpGQhGDA--.29555S2 X-Coremail-Antispam: 1UD129KBjvdXoWruFWkZw18JF4ktw43CF1UGFg_yoWfAwb_Cw 1UuF97ZryUCF1rXF12y347XryF9a43uF1kuFnFqrW5ta4UCan29F17ZFsIyF17ZF48Xr1k Ca17tFy3tr15ujkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb48FF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr 1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r12 6r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI 0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y 0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbSfO7UUUU U== X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiBwsCE2nJxjS+gQAAsw Content-Type: text/plain; charset="utf-8" Add cc_unmap_result() if cc_map_hash_request_final() fails to prevent potential memory leak. Fixes: 63893811b0fc ("crypto: ccree - add ahash support") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- drivers/crypto/ccree/cc_hash.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c index c6d085c8ff79..73179bf725a7 100644 --- a/drivers/crypto/ccree/cc_hash.c +++ b/drivers/crypto/ccree/cc_hash.c @@ -1448,6 +1448,7 @@ static int cc_mac_digest(struct ahash_request *req) if (cc_map_hash_request_final(ctx->drvdata, state, req->src, req->nbytes, 1, flags)) { dev_err(dev, "map_ahash_request_final() failed\n"); + cc_unmap_result(dev, state, digestsize, req->result); cc_unmap_req(dev, state, ctx); return -ENOMEM; } --=20 2.25.1