[PATCH RESEND] cifs: use memzero_explicit to clear stack buffer

Herbert Xu herbert at gondor.apana.org.au
Tue Jan 6 15:59:32 MST 2015

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 at mortis.eu>
> Reported-at: http://www.viva64.com/en/b/0299/
> Reported-by: Andrey Karpov
> Reported-by: Svyatoslav Razmyslov

Acked-by: Herbert Xu <herbert at gondor.apana.org.au>

Email: Herbert Xu <herbert at gondor.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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