[PATCH 04/23] X.509: Fix error code in x509_cert_parse()
David Howells
dhowells at redhat.com
Thu Jun 8 13:47:49 UTC 2017
From: Dan Carpenter <dan.carpenter at oracle.com>
We forgot to set the error code on this path so it could result in
returning NULL which leads to a NULL dereference.
Fixes: db6c43bd2132 ("crypto: KEYS: convert public key and digsig asym to the akcipher api")
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Signed-off-by: David Howells <dhowells at redhat.com>
---
crypto/asymmetric_keys/x509_cert_parser.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index c80765b211cf..dd03fead1ca3 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -102,6 +102,7 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen)
}
}
+ ret = -ENOMEM;
cert->pub->key = kmemdup(ctx->key, ctx->key_size, GFP_KERNEL);
if (!cert->pub->key)
goto error_decode;
--
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