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Date: Fri, 30 Dec 2022 23:39:30 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: David Laight <David.Laight@...lab.com>
Cc: 'Roberto Sassu' <roberto.sassu@...weicloud.com>,
"dhowells@...hat.com" <dhowells@...hat.com>,
"davem@...emloft.net" <davem@...emloft.net>,
"zohar@...ux.ibm.com" <zohar@...ux.ibm.com>,
"dmitry.kasatkin@...il.com" <dmitry.kasatkin@...il.com>,
"paul@...l-moore.com" <paul@...l-moore.com>,
"jmorris@...ei.org" <jmorris@...ei.org>,
"serge@...lyn.com" <serge@...lyn.com>,
"ebiggers@...nel.org" <ebiggers@...nel.org>,
"linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
"linux-security-module@...r.kernel.org"
<linux-security-module@...r.kernel.org>,
"keyrings@...r.kernel.org" <keyrings@...r.kernel.org>,
"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH v5 1/2] lib/mpi: Fix buffer overrun when SG is too long
On Fri, Dec 30, 2022 at 01:35:07PM +0000, David Laight wrote:
>
> miter.length is size_t (unsigned long on 64bit) and nbytes unsigned int.
miter.length is bounded by sg->length which is unsigned int.
Cheers,
--
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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