diff options
| author | Weili Qian <qianweili@huawei.com> | 2021-12-11 11:17:19 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 13:04:44 +0300 |
| commit | 4586d164c319a81aa98169bb863de5c3112f13e5 (patch) | |
| tree | 3c05dd9eb3747383f79216762354d16e0e2f9f6b /drivers/crypto | |
| parent | c0713b3017a8057819173830dc273c8fec4b0b77 (diff) | |
| download | linux-4586d164c319a81aa98169bb863de5c3112f13e5.tar.xz | |
crypto: hisilicon/hpre - fix memory leak in hpre_curve25519_src_init()
[ Upstream commit 51fa916b81e5f406a74f14a31a3a228c3cc060ad ]
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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/hisilicon/hpre/hpre_crypto.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index a032c192ef1d..7ba7641723a0 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c @@ -1865,7 +1865,7 @@ 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); } |