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 454A2175549; Wed, 3 Jul 2024 11:23:34 +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=1720005814; cv=none; b=Cq++5H89VZdgYV7AaCHbqKesc4V8/fE52M0r/s2O7+wPXmSlxxF4nLCme1RG+9vvqmx50f0BV5GTibhoXL9Jgx9fFb9qi8aM2by2bWf92uplv9iYyvLbVU7QOyiiMyohnmgPlVpUBjeHp/6nKatb4RCgOJrITm+uJxGhKpxWriA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720005814; c=relaxed/simple; bh=dbkUfvKcv+hhhCVmuNXd19qx/79r6gaNwYOL/xwDJNI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YcihbQjx3Ckk7ErQsHDJYLiehJgPruGndXFEvF4oUCvmStCTH/yBnVl6TUGVgFPEgSg+EPUX2Crv5G3lYfYb7+Gja/4EZDM+IgOrBV2tC8rjZvZYTrOVTwoYr1AXwr9TYisU7RxSP4KJOCIPPCoBrXPXv6kllvVrkeFuDr7Zqc4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zYQB0FGU; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="zYQB0FGU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C1F8FC2BD10; Wed, 3 Jul 2024 11:23:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1720005814; bh=dbkUfvKcv+hhhCVmuNXd19qx/79r6gaNwYOL/xwDJNI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zYQB0FGUIRJHL+/16TzQwkxGpJzkA8wXoQRz4bsWuxQIdsKg7upuPLg2Kqu31UCZl mls/MjcGVaiHXRmK0hVtmPK6oI23xi/JrINIveVWOxuXsmw48Ta2b2QFDrtE5ROT6v DizngmD7edVuHOoufYDko40e+6axnhVZcxkfWuY8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, syzbot+5186630949e3c55f0799@syzkaller.appspotmail.com, Oliver Neukum , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 205/356] net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings Date: Wed, 3 Jul 2024 12:39:01 +0200 Message-ID: <20240703102920.860576494@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240703102913.093882413@linuxfoundation.org> References: <20240703102913.093882413@linuxfoundation.org> User-Agent: quilt/0.67 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: Oliver Neukum [ Upstream commit fba383985354e83474f95f36d7c65feb75dba19d ] This functions retrieves values by passing a pointer. As the function that retrieves them can fail before touching the pointers, the variables must be initialized. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+5186630949e3c55f0799@syzkaller.appspotmail.com Signed-off-by: Oliver Neukum Link: https://lore.kernel.org/r/20240619132816.11526-1-oneukum@suse.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/usb/rtl8150.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 4a1b0e0fc3a3a..17b87aba11d19 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -778,7 +778,8 @@ static int rtl8150_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *ecmd) { rtl8150_t *dev = netdev_priv(netdev); - short lpa, bmcr; + short lpa = 0; + short bmcr = 0; u32 supported; supported = (SUPPORTED_10baseT_Half | -- 2.43.0