From nobody Mon Jun 8 20:53:22 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (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 F16123AEF53; Tue, 26 May 2026 16:07:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779811641; cv=none; b=op6dkVk+r3+FcS5XxhgQM8C9ihnLk0IVUUyqQKh3hwOnY370+coFawgJbO4jWGoaCsyPpgh0tb5a4a1Yl5AglZpuXOYelaviZKO+Mrlzn0ALrGkhpz5YHEeUi9do0sEslNN3Q/MopaGY2OuW7CgGXAMUguO5LGTfB7uclP4Qb2s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779811641; c=relaxed/simple; bh=N6lJqeX8CDrEKidtY57QoTX7ewnPGVO8jWwgHJQvsv4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=mubFKNBosF+ZLmVdfPydlPztp0U1rjSBfG9QJFfG/AUfQ/YUc2cj8FEwUVQ44un9uhbnKA1UU1KT0FKtktnPzc+k5OoTlcNzDa1dyqhcsHrR6S3s0FGgZj3uZ+BzPGhRfQtNWDqaVkiD7dpQkBBa6tFr1ad1RnmeH3R9tXR9yJQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from dfae2b116770.home.arpa (unknown [36.110.52.2]) by APP-05 (Coremail) with SMTP id zQCowABHk8YvxRVquRJ8EQ--.8084S2; Wed, 27 May 2026 00:07:11 +0800 (CST) From: Wentao Liang To: Ayush Sawal , Herbert Xu , "David S . Miller" Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Wentao Liang , stable@vger.kernel.org Subject: [PATCH] crypto: chelsio: fix inflight counter leak in chcr_aead_op() Date: Tue, 26 May 2026 16:06:55 +0000 Message-Id: <20260526160655.2298525-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.34.1 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: zQCowABHk8YvxRVquRJ8EQ--.8084S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Gw18Gry5ZF17Kry5GFWUtwb_yoWkZwb_G3 47XrZ2q3yUtFW0y3yqy3yxZF9I9asxuF97GrnrKr15ta48Zr43Ww4fArnxJrWUJr48WFn8 KwsxZaySyr18ujkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbcAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr 1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r12 6r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI 0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y 0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjfUr2-eDUUUU X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiBwkTA2oVtusgVAAAsI Content-Type: text/plain; charset="utf-8" chcr_aead_op() increments cdev->inflight via atomic_inc() before submitting the AEAD operation. If the operation fails after the increment (e.g., chcr_start_aead() returns an error), the function returns without decrementing cdev->inflight. This leaks a reference on the inflight counter, preventing proper teardown sequencing. Add atomic_dec(&cdev->inflight) on the error path to balance the counter. Fixes: d91a3159e8d9 ("Crypto/chcr: fix gcm-aes and rfc4106-gcm failed tests= ") Cc: stable@vger.kernel.org Signed-off-by: Wentao Liang --- drivers/crypto/chelsio/chcr_algo.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/ch= cr_algo.c index eece1ac1085a..14a708defcd4 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -3636,6 +3636,7 @@ static int chcr_aead_op(struct aead_request *req, crypto_ipsec_check_assoclen(req->assoclen) !=3D 0) { pr_err("RFC4106: Invalid value of assoclen %d\n", req->assoclen); + chcr_dec_wrcount(cdev); return -EINVAL; } =20 --=20 2.34.1