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Date: Tue, 24 Jul 2018 09:49:36 -0700 From: Kees Cook <keescook@...omium.org> To: Herbert Xu <herbert@...dor.apana.org.au> Cc: Kees Cook <keescook@...omium.org>, Arnd Bergmann <arnd@...db.de>, Eric Biggers <ebiggers@...gle.com>, "Gustavo A. R. Silva" <gustavo@...eddedor.com>, Alasdair Kergon <agk@...hat.com>, Rabin Vincent <rabinv@...s.com>, Tim Chen <tim.c.chen@...ux.intel.com>, "Rafael J. Wysocki" <rjw@...ysocki.net>, Pavel Machek <pavel@....cz>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, Philipp Reisner <philipp.reisner@...bit.com>, Lars Ellenberg <lars.ellenberg@...bit.com>, Jens Axboe <axboe@...nel.dk>, Giovanni Cabiddu <giovanni.cabiddu@...el.com>, Mike Snitzer <snitzer@...hat.com>, Paul Mackerras <paulus@...ba.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, David Howells <dhowells@...hat.com>, Johannes Berg <johannes@...solutions.net>, Tudor-Dan Ambarus <tudor.ambarus@...rochip.com>, Jia-Ju Bai <baijiaju1990@...il.com>, Andrew Morton <akpm@...ux-foundation.org>, Geert Uytterhoeven <geert@...ux-m68k.org>, Josh Poimboeuf <jpoimboe@...hat.com>, David Woodhouse <dwmw@...zon.co.uk>, Will Deacon <will.deacon@....com>, dm-devel@...hat.com, linux-pm@...r.kernel.org, linux-crypto@...r.kernel.org, drbd-dev@...ts.linbit.com, linux-block@...r.kernel.org, qat-linux@...el.com, linux-ppp@...r.kernel.org, netdev@...r.kernel.org, devel@...verdev.osuosl.org, linux-afs@...ts.infradead.org, linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v6 18/18] crypto: Remove AHASH_REQUEST_ON_STACK All users of AHASH_REQUEST_ON_STACK have been removed from the kernel, so drop it entirely so no VLAs get reintroduced by future users. Signed-off-by: Kees Cook <keescook@...omium.org> --- include/crypto/hash.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 21587011ab0f..fca3e28c77a4 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -64,11 +64,6 @@ struct ahash_request { void *__ctx[] CRYPTO_MINALIGN_ATTR; }; -#define AHASH_REQUEST_ON_STACK(name, ahash) \ - char __##name##_desc[sizeof(struct ahash_request) + \ - crypto_ahash_reqsize(ahash)] CRYPTO_MINALIGN_ATTR; \ - struct ahash_request *name = (void *)__##name##_desc - /** * struct ahash_alg - asynchronous message digest definition * @init: **[mandatory]** Initialize the transformation context. Intended only to initialize the -- 2.17.1
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