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Date: Wed, 09 Oct 2013 16:21:51 -0700
From: Joe Perches <joe@...ches.com>
To: Ryan Mallon <rmallon@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, eldad@...refinery.com, Jiri
Kosina <jkosina@...e.cz>, jgunthorpe@...idianresearch.com, Dan Rosenberg
<dan.j.rosenberg@...il.com>, Kees Cook <keescook@...omium.org>, Alexander
Viro <viro@...iv.linux.org.uk>, "Eric W. Biederman"
<ebiederm@...ssion.com>, George Spelvin <linux@...izon.com>,
"kernel-hardening@...ts.openwall.com"
<kernel-hardening@...ts.openwall.com>, "linux-kernel@...r.kernel.org"
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3a] vsprintf: Check real user/group id for %pK
On Thu, 2013-10-10 at 10:18 +1100, Ryan Mallon wrote:
> On 10/10/13 10:09, Joe Perches wrote:
> > Do the in_irq tests only when kptr_restrict is 1.
> > Document the %pK mechanism in vsnprintf
> > Add missing documentation for %pV and %pNF too
>
> I really did mean post a follow-up/separate patch, not a different
> version of mine.
I think that's not the right thing to do.
There's no good reason to have multiple commits
for the same content.
And almost all of that is actually stuff I wrote.
Your content there is the cred checks.
> > + cred = current_cred();
> > + if (!has_capability_noaudit(current, CAP_SYSLOG) ||
> > + !uid_eq(cred->euid, cred->uid) ||
> > + !gid_eq(cred->egid, cred->gid))
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