blobmsg: fix array out of bounds GCC 10 warning

[oweals/libubox.git] / blobmsg.c

diff --git a/blobmsg.c b/blobmsg.c
index 48dba8156d58ffe60af2604e59250b8a8e3cf4c9..37821c33fa1b2a889af0bb04ee48921cb5cc55df 100644 (file)
--- a/blobmsg.c
+++ b/blobmsg.c
@@ -240,7 +240,10 @@ blobmsg_new(struct blob_buf *buf, int type, const char *name, int payload_len, v
        attr->id_len |= be32_to_cpu(BLOB_ATTR_EXTENDED);
        hdr = blob_data(attr);
        hdr->namelen = cpu_to_be16(namelen);
-       strcpy((char *) hdr->name, (const char *)name);
+
+       memcpy(hdr->name, name, namelen);
+       hdr->name[namelen] = '\0';
+
        pad_end = *data = blobmsg_data(attr);
        pad_start = (char *) &hdr->name[namelen];
        if (pad_start < pad_end)