From: David Miller <davem@davemloft.net>
To: yuehaibing@huawei.com
Cc: h.morris@cascoda.com, alex.aring@gmail.com,
stefan@datenfreihafen.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, linux-wpan@vger.kernel.org
Subject: Re: [PATCH net-next] ieee802154: ca8210: fix possible u8 overflow in ca8210_rx_done
Date: Mon, 10 Dec 2018 22:01:07 -0800 (PST) [thread overview]
Message-ID: <20181210.220107.751606140724107779.davem@davemloft.net> (raw)
In-Reply-To: <20181211031339.21048-1-yuehaibing@huawei.com>
From: YueHaibing <yuehaibing@huawei.com>
Date: Tue, 11 Dec 2018 11:13:39 +0800
> gcc warning this:
>
> drivers/net/ieee802154/ca8210.c:730:10: warning:
> comparison is always false due to limited range of data type [-Wtype-limits]
>
> 'len' is u8 type, we get it from buf[1] adding 2, which can overflow.
> This patch change the type of 'len' to unsigned int to avoid this,also fix
> the gcc warning.
>
> Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver")
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
WPAN maintainers, I am assuming that as maintainers you will be
picking this up and sending it to me.
next prev parent reply other threads:[~2018-12-11 6:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-11 3:13 [PATCH net-next] ieee802154: ca8210: fix possible u8 overflow in ca8210_rx_done YueHaibing
2018-12-11 6:01 ` David Miller [this message]
2018-12-11 8:26 ` Stefan Schmidt
2018-12-11 15:23 ` Alexander Aring
2018-12-11 8:39 ` Stefan Schmidt
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181210.220107.751606140724107779.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=alex.aring@gmail.com \
--cc=h.morris@cascoda.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wpan@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=stefan@datenfreihafen.org \
--cc=yuehaibing@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).