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 A712A3B9D9D; Tue, 21 Jul 2026 22:08:34 +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=1784671715; cv=none; b=u+MRjmRQ113JXMEYfYS8fhnjU0Y4LiRU4pRiR/HtZJCFQnIB1S2YBDq5CJ+s5X0sn50HMDIAY3PmD8KI53nqeHwMQPh9/iLs1DqM3VCH6VzNkM9qsDE9uMNM+oEvoNZFLe8D/giQgCj7huRo3ocrfljA00XRRqgSXqE4ppBqkPg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784671715; c=relaxed/simple; bh=IqjuhclT93qADlMZWHR9v/+cXlldm1P6XzPyRoeYHC8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=f1/jBMONKUFZScJI/m2y6nvHKt/KwDODuOOmCoOcUDNSgQw2FBXIZ3tdx+bLUCTqt2tidZhM6lHzGYyiyUCy8D6W0wZrHQrWT6D/7yJltNEiY78ThYZOaCv519ky/+Wx+GbjRjM+py0JEmf1rLpIeeu2zVA3fSZLzNxagT2az9w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Qwvev/gR; 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="Qwvev/gR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 196881F000E9; Tue, 21 Jul 2026 22:08:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784671714; bh=NMB25ABU5kgSn11Ih0f0oDqEV+JkplievgsWs+yhJvI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Qwvev/gRhO3/8+mZetr7ogEoGCtDs9BGAlOvojinRU2o4c5mh9BSb3EmVOyPn+LMt EJa2tVNRfP0g5x5eYURPOg9fIvgiEcTXgdf4F3RPDIHD6vTlrdO3OdqiARAb3prmke da0KcbK/Mx6nNoRpWD/zK6KHQGziestCL0WpVYrs= 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 5.15 349/843] crypto: cavium/cpt - fix DMA cleanup using wrong loop index Date: Tue, 21 Jul 2026 17:19:44 +0200 Message-ID: <20260721152413.884918735@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152405.946368001@linuxfoundation.org> References: <20260721152405.946368001@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 5.15-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