linux-kernel - Re: [PATCH 1/2] limit print_fatal_signal() rate (was: [RFC] log out-of-virtual-memory events)

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: <20070524095503.GA14783@elte.hu>
Date:	Thu, 24 May 2007 11:55:03 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	righiandr@...rs.sourceforge.net,
	Bernd Eckenfels <ecki@...a.inka.de>,
	linux-kernel@...r.kernel.org, Rik van Riel <riel@...hat.com>,
	linux-mm@...ck.org
Subject: Re: [PATCH 1/2] limit print_fatal_signal() rate (was: [RFC] log out-of-virtual-memory events)


* Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Thu, 24 May 2007 09:58:35 +0200 Ingo Molnar <mingo@...e.hu> wrote:
> 
> > 
> > * Andrew Morton <akpm@...ux-foundation.org> wrote:
> > 
> > > Well OK.  But vdso-print-fatal-signals.patch is designated 
> > > not-for-mainline anyway.
> > 
> > btw., why?
> 
> err, because that's what I decided a year ago.  I wonder why ;)
> 
> Perhaps because of the DoS thing, but it has a /proc knob and defaults 
> to off, so it should be OK.

yeah. There's also a boot option. To address the DoS angle, should i 
make it optionally printk_ratelimit() perhaps? (although often the 
messages come in streams and skipping a message can be annoying)

> > It's very, very useful to distro, early-boot-userspace and glibc 
> > development. The only add-on change should be to not print SIGKILL 
> > events. Otherwise it's very much a keeper. Hm?
> 
> <promotes it>

thanks :-)

	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/