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-rw-r--r--crypto/asymmetric_keys/mscode_parser.c7
-rw-r--r--crypto/asymmetric_keys/pkcs7_verify.c2
-rw-r--r--crypto/asymmetric_keys/restrict.c2
3 files changed, 8 insertions, 3 deletions
diff --git a/crypto/asymmetric_keys/mscode_parser.c b/crypto/asymmetric_keys/mscode_parser.c
index 6a76d5c70ef6..9492e1c22d38 100644
--- a/crypto/asymmetric_keys/mscode_parser.c
+++ b/crypto/asymmetric_keys/mscode_parser.c
@@ -124,5 +124,10 @@ int mscode_note_digest(void *context, size_t hdrlen,
struct pefile_context *ctx = context;
ctx->digest = kmemdup(value, vlen, GFP_KERNEL);
- return ctx->digest ? 0 : -ENOMEM;
+ if (!ctx->digest)
+ return -ENOMEM;
+
+ ctx->digest_len = vlen;
+
+ return 0;
}
diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c
index 44b746e9df1b..2ffd69769466 100644
--- a/crypto/asymmetric_keys/pkcs7_verify.c
+++ b/crypto/asymmetric_keys/pkcs7_verify.c
@@ -227,7 +227,7 @@ static int pkcs7_verify_sig_chain(struct pkcs7_message *pkcs7,
if (asymmetric_key_id_same(p->id, auth))
goto found_issuer_check_skid;
}
- } else {
+ } else if (sig->auth_ids[1]) {
auth = sig->auth_ids[1];
pr_debug("- want %*phN\n", auth->len, auth->data);
for (p = pkcs7->certs; p; p = p->next) {
diff --git a/crypto/asymmetric_keys/restrict.c b/crypto/asymmetric_keys/restrict.c
index ac4bddf669de..19d1afb9890f 100644
--- a/crypto/asymmetric_keys/restrict.c
+++ b/crypto/asymmetric_keys/restrict.c
@@ -87,7 +87,7 @@ int restrict_link_by_signature(struct key *trust_keyring,
sig = payload->data[asym_auth];
if (!sig->auth_ids[0] && !sig->auth_ids[1])
- return 0;
+ return -ENOKEY;
if (ca_keyid && !asymmetric_key_id_partial(sig->auth_ids[1], ca_keyid))
return -EPERM;