Messages in this thread | | | Date | Wed, 7 Jan 2015 09:59:32 +1100 | From | Herbert Xu <> | Subject | Re: [PATCH RESEND] cifs: use memzero_explicit to clear stack buffer |
| |
On Tue, Jan 06, 2015 at 10:37:00PM +0100, Giel van Schijndel wrote: > When leaving a function use memzero_explicit instead of memset(0) to > clear stack allocated buffers. memset(0) may be optimized away. > > This particular buffer is highly likely to contain sensitive data which > we shouldn't leak (it's named 'passwd' after all). > > Signed-off-by: Giel van Schijndel <me@mortis.eu> > Reported-at: http://www.viva64.com/en/b/0299/ > Reported-by: Andrey Karpov > Reported-by: Svyatoslav Razmyslov
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Thanks, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
| |