linux-kernel - Re: [PATCH] sched: add sanity check in partition_sched

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] [day] [month] [year] [list]

Message-ID: <49101E96.2010609@cn.fujitsu.com>
Date:	Tue, 04 Nov 2008 18:06:14 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] sched: add sanity check in partition_sched_domains()

> a small detail, i changed this:
> 
>> +		BUG_ON(dattr_new);
> 
> to WARN_ON_ONCE().
> 
> If there's a rare setup-time memory leak we dont want to crash the box 
> via a BUG_ON(), as that only results in unhappy users. We want a 
> WARN_ON_ONCE() so that we get nice bugreports and kerneloops.org 
> coverage as well instead.
> 
> We use BUG_ON() in new code only in the rarest of circumstances: if we 
> absolutely want to bring down the box right there - because there's a 
> serious risk of data corruption, security breach, etc.
> 

I see the point, thx for the explanation. :)

--
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/