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: Chengfeng Ye <cyeaa@connect.ust.hk>
Acked-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Родитель
4a9dbd0219
Коммит
b4cb4d3163
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@ -498,8 +498,8 @@ static int qce_ahash_register_one(const struct qce_ahash_def *def,
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ret = crypto_register_ahash(alg);
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if (ret) {
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kfree(tmpl);
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dev_err(qce->dev, "%s registration failed\n", base->cra_name);
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kfree(tmpl);
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return ret;
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}
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