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Message-ID: <ZY49WwEB/iAdaRB6@gondor.apana.org.au> Date: Fri, 29 Dec 2023 11:30:35 +0800 From: Herbert Xu <herbert@...dor.apana.org.au> To: chengming.zhou@...ux.dev Cc: akpm@...ux-foundation.org, chrisl@...nel.org, davem@...emloft.net, linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org, nphamcs@...il.com, syzkaller-bugs@...glegroups.com, yosryahmed@...gle.com, 21cnbao@...il.com, zhouchengming@...edance.com, syzbot+3eff5e51bf1db122a16e@...kaller.appspotmail.com Subject: Re: [PATCH v2] crypto: scompress - fix req->dst buffer overflow On Wed, Dec 27, 2023 at 09:35:23AM +0000, chengming.zhou@...ux.dev wrote: > From: Chengming Zhou <zhouchengming@...edance.com> > > The req->dst buffer size should be checked before copying from the > scomp_scratch->dst to avoid req->dst buffer overflow problem. > > Fixes: 1ab53a77b772 ("crypto: acomp - add driver-side scomp interface") > Reported-by: syzbot+3eff5e51bf1db122a16e@...kaller.appspotmail.com > Closes: https://lore.kernel.org/all/0000000000000b05cd060d6b5511@google.com/ > Signed-off-by: Chengming Zhou <zhouchengming@...edance.com> > --- > v2: > - change error code to ENOSPC. > --- > crypto/scompress.c | 6 ++++++ > 1 file changed, 6 insertions(+) Patch applied. Thanks. -- 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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