]> Pileus Git - ~andy/linux/blobdiff - fs/ecryptfs/keystore.c
convert hamradio drivers to netdev_txreturnt_t
[~andy/linux] / fs / ecryptfs / keystore.c
index af737bb56cb71942ebed99c9bad8eb6a34bdaeb8..259525c9abb8c0296f19fa3dc340b9ac29e70acd 100644 (file)
@@ -1303,6 +1303,13 @@ parse_tag_3_packet(struct ecryptfs_crypt_stat *crypt_stat,
        }
        (*new_auth_tok)->session_key.encrypted_key_size =
                (body_size - (ECRYPTFS_SALT_SIZE + 5));
+       if ((*new_auth_tok)->session_key.encrypted_key_size
+           > ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES) {
+               printk(KERN_WARNING "Tag 3 packet contains key larger "
+                      "than ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES\n");
+               rc = -EINVAL;
+               goto out_free;
+       }
        if (unlikely(data[(*packet_size)++] != 0x04)) {
                printk(KERN_WARNING "Unknown version number [%d]\n",
                       data[(*packet_size) - 1]);
@@ -1449,6 +1456,12 @@ parse_tag_11_packet(unsigned char *data, unsigned char *contents,
                rc = -EINVAL;
                goto out;
        }
+       if (unlikely((*tag_11_contents_size) > max_contents_bytes)) {
+               printk(KERN_ERR "Literal data section in tag 11 packet exceeds "
+                      "expected size\n");
+               rc = -EINVAL;
+               goto out;
+       }
        if (data[(*packet_size)++] != 0x62) {
                printk(KERN_WARNING "Unrecognizable packet\n");
                rc = -EINVAL;