From nobody Mon Jun 8 20:43:22 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 75F7D38D6A4; Tue, 26 May 2026 15:58:00 +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=1779811085; cv=none; b=GOus3g34JLtjDrWprl20WezMMB3qC8vTH0ol1jQQkdSJlsVhDx6blIMUBbRTil9UoNQn1iL9d636KPquS26gMeTPUGw4Pqf+O0cfVbCoQ+TmpNPBNaA3Xb6pQIMgmb2cpXKrWU09qNl85oeAc3xe/02gdCSmTNkMLesGucFefWc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779811085; c=relaxed/simple; bh=H4n+53zUYuHpXSjLSw4e1XuvhsLJKesWY8Lmu6oKKXU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=L+wp0DKx4mI141uXckKGRqqLCHNc7bJKwNFRRGGDmYWErOWx/NZXy86piOZsRshLU3XuCQkcFSmzCInnOjcCqp/lY7W9dcaZFJIJMlg8Q4TcpaZCCUBGaFaTXrx3Y30k6ZBA2pnfQWRXhgUQmhXvCeyu2ERxpLHCzn2uUuVoNts= 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 zQCowAD3a+8AwxVq_vR7EQ--.8218S2; Tue, 26 May 2026 23:57:52 +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_aes_encrypt() Date: Tue, 26 May 2026 15:57:36 +0000 Message-Id: <20260526155736.2297383-1-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: zQCowAD3a+8AwxVq_vR7EQ--.8218S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Aw15CrW3CF1DGw48uFykZrb_yoW8Jw18pF 45CrZYy3yrJw1fGa4ktw4rCFy5Z39xurWakFWjyw4UXrnxtFyxX3sxZFW0vF18JF1rJ3y3 Z39ak343u3WDCaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkl14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26r4j6ryUM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4j 6F4UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r12 6r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI 0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y 0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUjJ73PUUUU U== X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiDAYTA2oVtuIbSAAAsi Content-Type: text/plain; charset="utf-8" chcr_aes_encrypt() increments dev->inflight via atomic_inc() before submitting the cipher operation. If chcr_start_cipher() subsequently fails, the function returns an error without decrementing dev->inflight, causing the counter to drift and potentially stalling future operations that rely on the counter reaching zero. Add atomic_dec(&dev->inflight) on the chcr_start_cipher() failure path to restore the counter. Fixes: b8fd1f4170e7 ("crypto: chcr - Add ctr mode and process large sg entr= ies for cipher") Cc: stable@vger.kernel.org Signed-off-by: Wentao Liang --- drivers/crypto/chelsio/chcr_algo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/ch= cr_algo.c index 6dec42282768..eece1ac1085a 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -1359,7 +1359,7 @@ static int chcr_aes_encrypt(struct skcipher_request *= req) err =3D process_cipher(req, u_ctx->lldi.rxq_ids[reqctx->rxqidx], &skb, CHCR_ENCRYPT_OP); if (err || !skb) - return err; + goto error; skb->dev =3D u_ctx->lldi.ports[0]; set_wr_txq(skb, CPL_PRIORITY_DATA, reqctx->txqidx); chcr_send_wr(skb); --=20 2.34.1