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SubjectRe: RFC: kernel memory leak fix for af_unix datagram getpeersec
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From: Stephen Smalley <sds@tycho.nsa.gov>
Date: Wed, 26 Jul 2006 16:50:40 -0400

> > diff -puN net/unix/af_unix.c~af_unix-datagram-getpeersec-ml-fix net/unix/af_unix.c
> > --- linux-2.6.18-rc2/net/unix/af_unix.c~af_unix-datagram-getpeersec-ml-fix 2006-07-22 23:01:26.000000000 -0400
> > +++ linux-2.6.18-rc2-cxzhang/net/unix/af_unix.c 2006-07-22 23:14:15.000000000 -0400
> > @@ -1323,8 +1299,9 @@ static int unix_dgram_sendmsg(struct kio
> > memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
> > if (siocb->scm->fp)
> > unix_attach_fds(siocb->scm, skb);
> > -
> > - unix_get_peersec_dgram(skb);
> > +#ifdef CONFIG_SECURITY_NETWORK
> > + memcpy(UNIXSID(skb), &siocb->scm->sid, sizeof(u32));
> > +#endif /* CONFIG_SECURITY_NETWORK */
>
> You want to retain the static inlines, and just update their contents,
> not replace them with embedded #ifdefs. And this could be a direct
> assignment, right?

This is my feeling too.
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