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 1BFD535C6BD; Tue, 21 Jul 2026 21:25:40 +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=1784669141; cv=none; b=DWw/jVvbzu15LqYAR7usmlwHoecIxOnPNS0ilwxSuare03w0QO43h1G5p08NtCWHxfSkr0wjaMEN+CHWH8/NrErZoik62JuC/Q5WLoWjX7qhzxi/Am7s0T79IYo5lI5w1z9efdGIVlt2Kcgnyo7M4VR8fJP02qUDBS2C2fG030s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784669141; c=relaxed/simple; bh=QEerb/O024KoZW/mOxMehL/D68aEn5jC8qK8iE2Swyg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=O0VMehTjkgxlhbNjZV8XW2jOAWy71GYz0CMxzeS5LaT5uZqQgB1gA7zD5COZEaA2dUsV/TQk4aSdPGueTnscznQHF4lnl/FaFgt/GhRywd8AuQ/WdKxIVwTxsudjHogdZ0oKShXcpaWHSo5aMs1DQ1yyv4AuxX7yHJ01NHc2y0Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=FZcZ9NHa; 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="FZcZ9NHa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B3181F000E9; Tue, 21 Jul 2026 21:25:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784669139; bh=uufOSNkS26Ao6jrbCkZH9rQw9AoEs9CwulSJ7dCJUbw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FZcZ9NHaeQqJ7Pr9SRmO62gsp55/4r6TsQ2MNEiNJmmSTbaZ5WyIvB2vHFr0twjhf rGNT62qwnmP1e3gEo3S7SVYwW/gmu/Su/tTGI+3rECzvzN15c9LtDc6uUPwmWi6pgb CU3/J49/AyFTVmPk1Hol3D32fQ060odCIy5AXd0A= 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 6.1 0442/1067] crypto: cavium/cpt - fix DMA cleanup using wrong loop index Date: Tue, 21 Jul 2026 17:17:23 +0200 Message-ID: <20260721152434.504102083@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152424.521567757@linuxfoundation.org> References: <20260721152424.521567757@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 6.1-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