Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sat, 10 Dec 2016 13:32:08 +0800
From: Herbert Xu <>
To: Andy Lutomirski <>
Cc: Eric Biggers <>,,
	"" <>,
	"" <>,
	"" <>,
	Andrew Lutomirski <>,
	Stephan Mueller <>
Subject: Re: Remaining crypto API regressions with CONFIG_VMAP_STACK

On Fri, Dec 09, 2016 at 09:25:38PM -0800, Andy Lutomirski wrote:
> > The following crypto drivers initialize a scatterlist to point into an
> > ablkcipher_request, which may have been allocated on the stack with
> >
> >         drivers/crypto/ccp/ccp-crypto-aes-xts.c:162
> >         drivers/crypto/ccp/ccp-crypto-aes.c:94
> These are real, and I wish I'd known about them sooner.

Are you sure? Any instance of *_ON_STACK must only be used with
sync algorithms and most drivers under drivers/crypto declare
themselves as async.

Email: Herbert Xu <>
Home Page:
PGP Key:

Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.