From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 91BD0158D95; Wed, 3 Apr 2024 17:18:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712164697; cv=none; b=NlgC2weJeoplNp+ilsA0ORNR8RxEm+3DYr439B9M6hUAr8nkVvM+7MUnoaOsGifaaw84/7Bj5ALF5uvRJ3ioWAydvR7qSRRtnqXBFr14OwQabqgzrVBcXMA6OkXfrRB+4RMBFXeEHiByTkcKVZ6cag4kfpcgSONqGwHiGfd6huo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712164697; c=relaxed/simple; bh=eH6n/XrrBzShozVSMmjhzduWadISNU3nrGIZ3CDYUjo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U741qLgSxkKBQn+hnlV42QSQLhFwdIKDpJOeMFfrWzjA4hv5zXwxi+kS/OBbm4cNWxpHKsG988HZDauFIy2fNBAmml9W1iTzjcJM7NRBLGCa1vIR1cYaUuP+hzTAtNmAA3QCjP5iysldYJdnPfS528bTn6Hscu9tkraCVhIwXE8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ubtzwpn1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ubtzwpn1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78F9BC433A6; Wed, 3 Apr 2024 17:18:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712164697; bh=eH6n/XrrBzShozVSMmjhzduWadISNU3nrGIZ3CDYUjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ubtzwpn1CtA4m5ia7l6xnNHoaffaaeehbAo84fE0Dxs5wgfqeT90Het2GXUbQMy/8 nsVgA25Hzk/BfrvCWMv3u8Nf7L4hGU4byQ1aKW4dl7661GSMW6WNyiFKBK3X4i7uam tzNDndhiHizFxhCL/k1RsdjUcXlcvZGUW+yVszFwdTE0hRH0U0+ZytS6QQ+V3Iay3l ufFZZuu64deFDdiLCTgmAc7gWcgMNYl/duaDyEY/auf9zpI7bggaPbVB8NekPo+Chn LIPtiJgNjk/wZoRmw+LDTjgPFlGrjHeofev+DJ9hmC56zCVzeguQMxr5H8VD6j72Wk XnWEnZGi6qxYw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Karina Yankevich , Sergey Shtylyov , Alan Stern , Greg Kroah-Hartman , Sasha Levin , linux-usb@vger.kernel.org, usb-storage@lists.one-eyed-alien.net Subject: [PATCH AUTOSEL 6.6 02/20] usb: storage: sddr55: fix sloppy typing in sddr55_{read|write}_data() Date: Wed, 3 Apr 2024 13:17:43 -0400 Message-ID: <20240403171815.342668-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240403171815.342668-1-sashal@kernel.org> References: <20240403171815.342668-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.24 Content-Transfer-Encoding: 8bit From: Karina Yankevich [ Upstream commit d6429a3555fb29f380c5841a12f5ac3f7444af03 ] In sddr55_{read|write}_data(), the address variables are needlessly typed as *unsigned long* -- which is 32-bit type on the 32-bit arches and 64-bit type on the 64-bit arches; those variables' value should fit into just 3 command bytes and consists of 10-bit block # (or at least the max block # seems to be 1023) and 4-/5-bit page # within a block, so 32-bit *unsigned* *int* type should be more than enough... Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool. [Sergey: rewrote the patch subject/description] Signed-off-by: Karina Yankevich Signed-off-by: Sergey Shtylyov Reviewed-by: Alan Stern Link: https://lore.kernel.org/r/4c9485f2-0bfc-591b-bfe7-2059289b554e@omp.ru Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/storage/sddr55.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c index 15dc25801cdcc..0aa079405d23c 100644 --- a/drivers/usb/storage/sddr55.c +++ b/drivers/usb/storage/sddr55.c @@ -196,7 +196,7 @@ static int sddr55_read_data(struct us_data *us, unsigned char *buffer; unsigned int pba; - unsigned long address; + unsigned int address; unsigned short pages; unsigned int len, offset; @@ -316,7 +316,7 @@ static int sddr55_write_data(struct us_data *us, unsigned int pba; unsigned int new_pba; - unsigned long address; + unsigned int address; unsigned short pages; int i; -- 2.43.0