Commit fbb72630 authored Dec 13, 2016 by Pan Bian Committed by Herbert Xu Dec 14, 2016

crypto: asymmetric_keys - set error code on failure

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 04b46fbd

crypto/asymmetric_keys/public_key.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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)