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Message-ID: <Y68GMsGKROsgDbcs@gondor.apana.org.au> 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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