linux-kernel - Re: kmemleak suggestion (long message)

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]

Message-Id: <1246005681.30717.8.camel@pc1117.cambridge.arm.com>
Date:	Fri, 26 Jun 2009 09:41:20 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Sergey Senozhatsky <sergey.senozhatsky@...l.by>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: kmemleak suggestion (long message)

On Fri, 2009-06-26 at 11:27 +0300, Pekka Enberg wrote:
> On Fri, 2009-06-26 at 09:25 +0100, Catalin Marinas wrote:
> > BTW, this was questioned in the past as well - do we still need the
> > automatic scanning from a kernel thread? Can a user cron job just read
> > the kmemleak file?
> 
> I think the kernel thread makes sense so that we get an early warning in
> syslog.

If we keep the automatic scanning I could also change the code so that
the debug/kmemleak file only shows what was found during the thread
scanning rather than trigger a new scan (this could be forced with
something like echo "scan=now" > debug/kmemleak).

-- 
Catalin

--
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/