netdev - Re: [PATCH net-next 03/17] tcp: fix lost_cnt

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 02 Mar 2009 03:01:09 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 03/17] tcp: fix lost_cnt_hint miscounts

From: "Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Sat, 28 Feb 2009 16:44:28 +0200

> From: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
> 
> It is possible that lost_cnt_hint gets underflow in
> tcp_clean_rtx_queue because the cumulative ACK can cover
> the segment where lost_skb_hint points to only partially,
> which means that the hint is not cleared, opposite to what
> my (earlier) comment claimed.
> 
> Also I don't agree what I ended up writing about non-trivial
> case there to be what I intented to say. It was not supposed
> to happen that the hint won't get cleared and we underflow
> in any scenario.
> 
> In general, this is quite hard to trigger in practice.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html