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Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

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Pull crypto bugfix from Herbert Xu:
 "Fix a bug in the cryptd code that may lead to crashes"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: cryptd - initialize child shash_desc on import
This commit is contained in:
Linus Torvalds 2016-09-13 11:10:49 -07:00
commit 309a18ae36
1 changed files with 7 additions and 2 deletions
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9
crypto/cryptd.c
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@ -631,9 +631,14 @@ static int cryptd_hash_export(struct ahash_request *req, void *out)
static int cryptd_hash_import(struct ahash_request *req, const void *in)
{
struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(tfm);
struct shash_desc *desc = cryptd_shash_desc(req);
return crypto_shash_import(&rctx->desc, in);
desc->tfm = ctx->child;
desc->flags = req->base.flags;
return crypto_shash_import(desc, in);
}
static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,