Fix vuln OSV-2024-390

Author: oss-patch

src/H5Ocache.c

@@ -864,6 +864,11 @@ H5O__cache_chk_serialize(const H5F_t *f, void *image, size_t len, void *_thing)
     HDassert(chk_proxy->cache_info.type == H5AC_OHDR_CHK);
     HDassert(chk_proxy->oh);
     HDassert(chk_proxy->oh->chunk[chk_proxy->chunkno].size == len);
+    /* Ensure len does not exceed the size of the source buffer */
+    if (len > chk_proxy->oh->chunk[chk_proxy->chunkno].size) {
+        HDfprintf(stderr, "Buffer overflow detected during chunk serialization\n");
+        goto done;
+    }
 
     /* Serialize messages for this chunk */
     if (H5O__chunk_serialize(f, chk_proxy->oh, chk_proxy->chunkno) < 0)