From: Dan Carpenter <dan.carpenter@oracle.com> To: David Howells <dhowells@redhat.com>, Tadeusz Struk <tadeusz.struk@intel.com> Cc: Herbert Xu <herbert@gondor.apana.org.au>, "David S. Miller" <davem@davemloft.net>, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] X.509: Fix error code in x509_cert_parse() Date: Tue, 23 May 2017 17:27:17 +0300 [thread overview] Message-ID: <20170523142717.GA28346@elgon.mountain> (raw) 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@oracle.com> diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c index c80765b211cf..1f69e948fb34 100644 --- a/crypto/asymmetric_keys/x509_cert_parser.c +++ b/crypto/asymmetric_keys/x509_cert_parser.c @@ -103,8 +103,10 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen) } cert->pub->key = kmemdup(ctx->key, ctx->key_size, GFP_KERNEL); - if (!cert->pub->key) + if (!cert->pub->key) { + ret = -ENOMEM; goto error_decode; + } cert->pub->keylen = ctx->key_size;
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com> To: David Howells <dhowells@redhat.com>, Tadeusz Struk <tadeusz.struk@intel.com> Cc: Herbert Xu <herbert@gondor.apana.org.au>, "David S. Miller" <davem@davemloft.net>, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] X.509: Fix error code in x509_cert_parse() Date: Tue, 23 May 2017 14:27:17 +0000 [thread overview] Message-ID: <20170523142717.GA28346@elgon.mountain> (raw) 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@oracle.com> diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c index c80765b211cf..1f69e948fb34 100644 --- a/crypto/asymmetric_keys/x509_cert_parser.c +++ b/crypto/asymmetric_keys/x509_cert_parser.c @@ -103,8 +103,10 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen) } cert->pub->key = kmemdup(ctx->key, ctx->key_size, GFP_KERNEL); - if (!cert->pub->key) + if (!cert->pub->key) { + ret = -ENOMEM; goto error_decode; + } cert->pub->keylen = ctx->key_size;
next reply other threads:[~2017-05-23 14:27 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-05-23 14:27 Dan Carpenter [this message] 2017-05-23 14:27 ` [PATCH] X.509: Fix error code in x509_cert_parse() Dan Carpenter 2017-05-23 16:49 ` David Howells 2017-05-23 16:49 ` David Howells 2017-05-29 13:26 ` [PATCH v2] " Dan Carpenter 2017-05-29 13:26 ` Dan Carpenter 2017-06-10 4:18 ` Herbert Xu 2017-06-10 4:18 ` Herbert Xu 2017-06-10 6:14 ` David Howells 2017-06-10 6:14 ` David Howells
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