Re: [PATCH] Use memzero_explicit to clear local buffers
From: Herbert Xu <hidden>
Date: 2015-01-06 20:56:30
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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.
OK. Thanks, -- Email: Herbert Xu [off-list ref] Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt