Messages in this thread Patch in this message | | | Subject | [PATCH 1/2] crypto: asymmetric_keys: set error code on failure | From | David Howells <> | Date | Mon, 12 Dec 2016 16:16:51 +0000 |
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From: Pan Bian <bianpan2016@163.com>
In function public_key_verify_signature(), returns variable ret on error paths. When the call to kmalloc() fails, the value of ret is 0, and it is not set to an errno before returning. This patch fixes the bug.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188891
Signed-off-by: Pan Bian <bianpan2016@163.com> Signed-off-by: David Howells <dhowells@redhat.com> ---
crypto/asymmetric_keys/public_key.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index fd76b5fc3b3a..d3a989e718f5 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -121,6 +121,7 @@ int public_key_verify_signature(const struct public_key *pkey, if (ret) goto error_free_req; + ret = -ENOMEM; outlen = crypto_akcipher_maxsize(tfm); output = kmalloc(outlen, GFP_KERNEL); if (!output)
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