The buffer rctx->ext contains potentially sensitive data and should
be freed with kzfree.
Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: 700cb3f5fe75 ("crypto: lrw - Convert to skcipher")
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
diff --git a/crypto/lrw.c b/crypto/lrw.c
index a09cdaa..954a706 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -317,7 +317,7 @@ static void exit_crypt(struct skcipher_request *req)
rctx->left = 0;
if (rctx->ext)
- kfree(rctx->ext);
+ kzfree(rctx->ext);
}
static int do_encrypt(struct skcipher_request *req, int err)
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
