From: Patrick McHardy <kaber@trash.net>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Netfilter Development Mailinglist
<netfilter-devel@lists.netfilter.org>,
Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
Subject: Re: [PATCH] fix nf_conntrack_netlink expectation dumping/event notification
Date: Fri, 13 Jan 2006 09:58:15 +0100 [thread overview]
Message-ID: <43C76BA7.9080204@trash.net> (raw)
In-Reply-To: <43C70536.7000608@netfilter.org>
Pablo Neira Ayuso wrote:
> Hi Yasuyuki,
>
> Currently we get an oops with nf_conntrack_netlink + nf_conntrack_ftp
> because l3num is set to 0xFFFF for the expectation mask. At first sight,
> this is correct because l3num is u_int16_t, but the size of the layer-3
> array of protocol handlers is AF_MAX (32).
>
> I could add some checking to verify that l3num is less than 32 in
> nf_conntrack_find_l3proto, but such checking is only required for
> nf_conntrack_ftp and further application helpers. AFAICS, this is the
> cleanest way to fix this problem. Any other suggestion?
What is the exact cause for the crash? I looked over the code, but
couldn't spot it.
next prev parent reply other threads:[~2006-01-13 8:58 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-13 1:41 [PATCH] fix nf_conntrack_netlink expectation dumping/event notification Pablo Neira Ayuso
2006-01-13 8:58 ` Patrick McHardy [this message]
2006-01-13 9:02 ` Yasuyuki KOZAKAI
[not found] ` <200601130902.k0D92fVM026246@toshiba.co.jp>
2006-01-13 9:04 ` Patrick McHardy
2006-01-13 9:38 ` Yasuyuki KOZAKAI
[not found] ` <200601130938.k0D9c6Yo007986@toshiba.co.jp>
2006-01-13 9:45 ` Patrick McHardy
2006-01-13 10:12 ` YOSHIFUJI Hideaki / 吉藤英明
2006-01-13 10:44 ` Patrick McHardy
[not found] ` <200601130938.k0D9c6ud007984@toshiba.co.jp>
2006-01-13 11:17 ` Pablo Neira Ayuso
2006-01-15 13:07 ` Yasuyuki KOZAKAI
2006-01-20 4:57 ` expectation mask handling in nfctnetlink (Was Re: [PATCH] fix nf_conntrack_netlink expectation dumping/event notification) Yasuyuki KOZAKAI
2006-02-01 2:09 ` Pablo Neira Ayuso
2006-02-01 11:04 ` Patrick McHardy
[not found] ` <200602011335.k11DZHwj018072@toshiba.co.jp>
2006-02-02 0:45 ` [RFC] [PATCH] Fix expectation mask dumping (Was Re: expectation mask handling in nfctnetlink) Pablo Neira Ayuso
2006-02-02 10:30 ` [RFC] [PATCH] Fix expectation mask dumping Yasuyuki KOZAKAI
2006-02-05 23:54 ` [PATCH] Fix expectation mask dumping, take #2 Pablo Neira Ayuso
2006-02-06 2:15 ` Yasuyuki KOZAKAI
2006-02-08 11:26 ` Yasuyuki KOZAKAI
[not found] ` <200602081126.k18BQWLj029476@toshiba.co.jp>
2006-02-08 12:25 ` Pablo Neira Ayuso
2006-02-01 13:16 ` expectation mask handling in nfctnetlink Yasuyuki KOZAKAI
2006-02-01 13:35 ` Yasuyuki KOZAKAI
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