netdev - Re: kernel panic removing devices from a teql queuing discipline

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 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:	Tue, 30 Oct 2007 01:33:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	cebbert@...hat.com
Cc:	netdev@...r.kernel.org
Subject: Re: kernel panic removing devices from a teql queuing discipline

From: Chuck Ebbert <cebbert@...hat.com>
Date: Mon, 29 Oct 2007 14:00:01 -0400

> The panic is in __teql_resolve (which has been inlined into teql_master_xmit) in
> net/sched/sch_teql.c at this line:
> 
> 	if (n && n->tbl == mn->tbl &&
> 
> Specifically the dereference of n->tbl is faulting as n is not valid.
> 
> And the address looks like part of an ASCCI string...  "figt"

I studied sch_teql.c a bit and I suspect that the slave list
management in teql_destroy() and teql_qdisc_init() might be
suspect.

If someone can take a closer look at this, I'd appreciate it.
-
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