linux-hardening - Re: [PATCH][next] apparmor: Use struct

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Message-ID: <20211001234912.GA1055815@embeddedor>
Date:   Fri, 1 Oct 2021 18:49:12 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     John Johansen <john.johansen@...onical.com>
Cc:     James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] apparmor: Use struct_size() helper in kzalloc()

On Fri, Oct 01, 2021 at 04:37:08PM -0700, John Johansen wrote:
> On 9/29/21 3:05 PM, Gustavo A. R. Silva wrote:
> > Make use of the struct_size() helper instead of an open-coded version,
> > in order to avoid any potential type mistakes or integer overflows that,
> > in the worse scenario, could lead to heap overflows.
> >> Link: https://github.com/KSPP/linux/issues/160
> > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> 
> nice
> 
> I will pull this into my tree
> Acked-by: John Johansen <john.johansen@...onical.com>

Thanks, John.

--
Gustavo