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crypto: wp512 - disable kmsan checks in wp512_process_buffer() 

The memory sanitizer causes excessive register spills in this function:

crypto/wp512.c:782:13: error: stack frame size (2104) exceeds limit (2048) in 'wp512_process_buffer' [-Werror,-Wframe-larger-than]

Assume that this one is safe, and mark it as needing no checks to
get the stack usage back down to the normal level.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Arnd Bergmann 2022-12-15 17:29:38 +01:00 committed by Herbert Xu
parent aa9695157f
commit 8031d1f678
1 changed files with 1 additions and 1 deletions
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crypto/wp512.c
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@ -779,7 +779,7 @@ static const u64 rc[WHIRLPOOL_ROUNDS] = {
* The core Whirlpool transform. * The core Whirlpool transform.
*/ */
static void wp512_process_buffer(struct wp512_ctx *wctx) { static __no_kmsan_checks void wp512_process_buffer(struct wp512_ctx *wctx) {
int i, r; int i, r;
u64 K[8]; /* the round key */ u64 K[8]; /* the round key */
u64 block[8]; /* mu(buffer) */ u64 block[8]; /* mu(buffer) */