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lib: fix memory leak in crypt_pbkdf_check

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There is a memory leak when PBKDF2_temp > UINT32_MAX. Here,
we change return to goto out to free key.

Signed-off-by: Lixiaokeng <lixiaokeng@huawei.com>
Signed-off-by: Linfeilong <linfeilong@huawei.com>
This commit is contained in:
lixiaokeng
2020-11-09 09:52:32 +08:00
parent ad7d16a1b4
commit eff4da95a1
1 changed files with 4 additions and 2 deletions
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6
lib/crypto_backend/pbkdf_check.c
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@@ -361,8 +361,10 @@ static int crypt_pbkdf_check(const char *kdf, const char *hash,
ms = time_ms(&rstart, &rend);
if (ms) {
PBKDF2_temp = (double)iterations * target_ms / ms;
if (PBKDF2_temp > UINT32_MAX)
return -EINVAL;
if (PBKDF2_temp > UINT32_MAX) {
r = -EINVAL;
goto out;
}
*iter_secs = (uint32_t)PBKDF2_temp;
}