Messages in this thread Patch in this message | | | From | Weili Qian <> | Subject | [PATCH] crypto: hisilicon/hpre - fix memory leak in hpre_curve25519_src_init() | Date | Sat, 11 Dec 2021 16:17:19 +0800 |
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hpre_curve25519_src_init() allocates memory for 'ptr' before calling memcmp(). If memcmp() returns 0, the function will return '-EINVAL' without freeing memory.
Signed-off-by: Weili Qian <qianweili@huawei.com> --- drivers/crypto/hisilicon/hpre/hpre_crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index 0f1724d355b8..97d54c1465c2 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c @@ -1862,7 +1862,7 @@ static int hpre_curve25519_src_init(struct hpre_asym_request *hpre_req, */ if (memcmp(ptr, p, ctx->key_sz) == 0) { dev_err(dev, "gx is p!\n"); - return -EINVAL; + goto err; } else if (memcmp(ptr, p, ctx->key_sz) > 0) { hpre_curve25519_src_modulo_p(ptr); } -- 2.33.0
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