[PATCH] Use memzero_explicit to clear local buffers
herbert at gondor.apana.org.au
Tue Jan 6 13:54:54 MST 2015
On Tue, Jan 06, 2015 at 08:42:26PM +0100, Giel van Schijndel wrote:
> Question: are you sure the compiler won't optimize the call to memset(0)
> way if it's immediately followed by kfree()?
Yes it won't be optimised away. However, you could use kzfree.
> Another actually does change a stack-allocated buffer, I'll split that
> one off right away.
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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