linux-kernel - Re: divide error: 0000 in fib6_rule

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]

Date:	Mon, 28 Aug 2006 23:22:48 +0200
From:	Andi Kleen <ak@...e.de>
To:	Andrew Morton <akpm@...l.org>
Cc:	Mattia Dongili <malattia@...ux.it>, linux-kernel@...r.kernel.org,
	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: divide error: 0000 in fib6_rule_match [Re: 2.6.18-rc4-mm3]


> I cannot work out how the heck you got a divide instruction in
> fib6_rule_match().

This might be another symptom of the broken smp-alternatives patch.
It tended to randomly corrupt some instructions by inserting different
bytes which then crash in interesting ways.

I already sent a fix for that, but it's not in yet.

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/