netdev - Re: DDoS attack causing bad effect on conntrack searches

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 for Android: free password hash cracker in your pocket

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

Message-Id: <20100422.164425.171794554.davem@davemloft.net>
Date:	Thu, 22 Apr 2010 16:44:25 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	hawk@...u.dk, paulmck@...ux.vnet.ibm.com, kaber@...sh.net,
	xiaosuo@...il.com, hawk@...x.dk, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: Re: DDoS attack causing bad effect on conntrack searches


Eric, I wonder if we run into some kind of issue on 32-bit systems
because we always lose a bit of the conntrack hash value when we store
it into the 'nulls' area?

Wouldn't that make the "get_nulls_value(n) != hash" fail?
--
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