Commit b4cb4d31 authored by Chengfeng Ye's avatar Chengfeng Ye Committed by Herbert Xu

crypto: qce - fix uaf on qce_ahash_register_one

Pointer base points to sub field of tmpl, it
is dereferenced after tmpl is freed. Fix
this by accessing base before free tmpl.

Fixes: ec8f5d8f ("crypto: qce - Qualcomm crypto engine driver")
Signed-off-by: default avatarChengfeng Ye <cyeaa@connect.ust.hk>
Acked-by: default avatarThara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 4a9dbd02
......@@ -498,8 +498,8 @@ static int qce_ahash_register_one(const struct qce_ahash_def *def,
ret = crypto_register_ahash(alg);
if (ret) {
kfree(tmpl);
dev_err(qce->dev, "%s registration failed\n", base->cra_name);
kfree(tmpl);
return ret;
}
......
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