linux-kernel - Re: PATCH] debug: add notifier chain debugging

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]

Message-ID: <20080815225356.GA25538@elte.hu>
Date:	Sat, 16 Aug 2008 00:53:56 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: PATCH] debug: add notifier chain debugging


* Arjan van de Ven <arjan@...radead.org> wrote:

> From: Arjan van de Ven <arjan@...ux.intel.com>
> Subject: [PATCH] debug: add notifier chain debugging
> 
> during some development we suspected a case where we left something in 
> a notifier chain that was from a module that was unloaded already... 
> and that sort of thing is rather hard to track down.
> 
> This patch adds a very simple sanity check (which isn't all that 
> expensive) to make sure the notifier we're about to call is actually 
> from either the kernel itself of from a still-loaded module, avoiding 
> a hard-to-chase-down crash.

applied for testing, thanks Arjan.

	Ingo
--
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/