linux-kernel - Re: Possible memory leak via inotify_add

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]

Date:	Tue, 07 Jul 2009 22:30:43 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Eric Paris <eparis@...hat.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Possible memory leak via inotify_add_watch

On Tue, 2009-07-07 at 12:24 -0400, Eric Paris wrote:
> On Tue, 2009-07-07 at 14:03 +0100, Catalin Marinas wrote:
> > On Mon, 2009-07-06 at 22:09 -0400, Eric Paris wrote:
> > > On Mon, 2009-07-06 at 23:03 +0100, Catalin Marinas wrote:
> > > > Hi Eric,
> > > > 
> > > > I'm getting a few kmemleak reports like the one below (it may as well
> > > > be just a false positive). All of these allocations happened during
> > > > udevd.
> > > 
> > > Any chance you could give this a shot and see if it fixes it up for you?
> > 
> > I'll give it a try tonight as it only shows on my home machine. But it
> > doesn't apply cleanly on 2.6.31-rc2, there is a big hunk in
> > inotify_update_watch() which fails to apply. Are there other additional
> > patches needed?
> 
> http://git.infradead.org/users/eparis/notify.git?a=shortlog;h=refs/heads/for-linus
> 
> Has 3 patches on top.  I believe only #2 is needed for the memory leak.

I only tested #2 and the leak disappears indeed.

-- 
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/