From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 67BA233A9FC; Tue, 21 Jul 2026 20:35:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784666136; cv=none; b=OYaNgfpEfV9nydSVwoaDTiF8dZ3QpJUs1XEbZ9+8c7tpB3fpBLUbYjTu/4O3cCu/umxnKZH9RrSnFzV+rXDAaCqmOp1qkKNKMIxUKj7zzhhph+LQvAFJVMtiD27oF+7F6bNtFVDqRL2pBu4s/dfAZDZPRyIeAsxSqcXdEizg7Cg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784666136; c=relaxed/simple; bh=cvspG4W8F8isZG7P2p+KIi/LKF2z8sLA8E1WgBPbAbk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OSP4i+WfXG6InEOwhuIzjwMJKMH+Ij4kVAUCjvSYK3sfJg5UvZUp6IksVhvSiq5YCWHe4V3DPk4YZqpFz3aEU6L/K8DfNaInruHvsAsPiKCS9/bjdl8QtCnxG9KjEitwo4CicKBqDUWvcy2Q35nbrPFzU8cxudT+Vnxv0LtMQpg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bJH7A32m; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="bJH7A32m" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE2C61F000E9; Tue, 21 Jul 2026 20:35:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784666135; bh=ay7PqV0GofYB0NpxgZRZI06pvSjk8kj/VnodBhnBS+c=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bJH7A32mI0yu4LHt9d+nO76yJf0xoNp7CGI0DBgpcYjYFX71MgLG+OaWIrTd5RZxs z1R0MBjmYJxY6b0myoD+IMI0rkjunVbzO9LaykTae35Ks19TtRqJTRfY8qW4Z2U3g/ m43LEJcZ0n2Jcc5oTE9zsWzRGShM9wuf8ssZZ0t0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Felix Gu , Herbert Xu , Sasha Levin Subject: [PATCH 6.6 0569/1266] crypto: cavium/cpt - fix DMA cleanup using wrong loop index Date: Tue, 21 Jul 2026 17:16:46 +0200 Message-ID: <20260721152454.598140198@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152441.786066624@linuxfoundation.org> References: <20260721152441.786066624@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Gu [ Upstream commit 9dbf173bd32d5f81b005008b682bfb50aa093455 ] The sg_cleanup error path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one. Fixes: c694b233295b ("crypto: cavium - Add the Virtual Function driver for CPT") Signed-off-by: Felix Gu Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/cavium/cpt/cptvf_reqmanager.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c index 153004bdfb5cde..753bdb2ae33f8d 100644 --- a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c +++ b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c @@ -108,8 +108,8 @@ static int setup_sgio_components(struct cpt_vf *cptvf, struct buf_ptr *list, sg_cleanup: for (j = 0; j < i; j++) { if (list[j].dma_addr) { - dma_unmap_single(&pdev->dev, list[i].dma_addr, - list[i].size, DMA_BIDIRECTIONAL); + dma_unmap_single(&pdev->dev, list[j].dma_addr, + list[j].size, DMA_BIDIRECTIONAL); } list[j].dma_addr = 0; -- 2.53.0