On 11/4/21 9:46 AM, Chengfeng Ye wrote:
Pointer alg points to sub field of tmpl, it
is dereferenced after tmpl is freed. Fix
this by accessing alg before free tmpl.
Fixes: ec8f5d8f ("crypto: qce - Qualcomm crypto engine driver")
Signed-off-by: Chengfeng Ye <cyeaa@xxxxxxxxxxxxxx>
Acked-by: Thara Gopinath <thara.gopinath@xxxxxxxxxx>
---
drivers/crypto/qce/skcipher.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/qce/skcipher.c b/drivers/crypto/qce/skcipher.c
index 8ff10928f581..3d27cd5210ef 100644
--- a/drivers/crypto/qce/skcipher.c
+++ b/drivers/crypto/qce/skcipher.c
@@ -484,8 +484,8 @@ static int qce_skcipher_register_one(const struct qce_skcipher_def *def,
ret = crypto_register_skcipher(alg);
if (ret) {
- kfree(tmpl);
dev_err(qce->dev, "%s registration failed\n", alg->base.cra_name);
+ kfree(tmpl);
return ret;
}
--
Warm Regards
Thara (She/Her/Hers)
