Re: 2.6.13.3 Memory leak, names_cache

From: Al Viro
Date: Thu Oct 06 2005 - 18:32:08 EST


On Thu, Oct 06, 2005 at 02:31:38PM -0700, Linus Torvalds wrote:
>
>
> On Thu, 6 Oct 2005, Rick Lindsley wrote:
> >
> > The code in open_namei() is a bit non-intuitive in error conditions,
> > but the general fix appears to be pretty straightforward. Let me know if
> > this patch seems to do the trick for you.
>
> This patch seems to be correct.
>
> As far as I can tell, the name in "last.name" has always been allocated
> with "__getname()", and it should thus always be free'd with "__putname()"
> in order to not cause trouble with the horrible AUDITSYSCALL code.
>
> Now, very arguably the real bug is that bug-prone code in AUDITSYSCALL,
> but I suspect that for 2.6.14 I should just apply this patch.
>
> Al? Any comments? (Full patch quoted here in case you haven't followed the
> mailing list)

ACK, and the only comment is that audit crap would be better off in /dev/null.
Too late for that now, unfortunately...
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