Fix incorrect format placeholders

src/backend/storage/buffer/bufmgr.c

@@ -7320,7 +7320,7 @@ buffer_readv_report(PgAioResult result, const PgAioTargetData *td,
 				affected_count > 1 ?
 				errdetail("Block %u held first zeroed page.",
 						  first + first_off) : 0,
-				errhint("See server log for details about the other %u invalid block(s).",
+				errhint("See server log for details about the other %d invalid block(s).",
 						affected_count + checkfail_count - 1));
 		return;
 	}

src/backend/storage/buffer/localbuf.c

@@ -629,7 +629,7 @@ InvalidateLocalBuffer(BufferDesc *bufHdr, bool check_unreferenced)
 	 */
 	if (check_unreferenced &&
 		(LocalRefCount[bufid] != 0 || BUF_STATE_GET_REFCOUNT(buf_state) != 0))
-		elog(ERROR, "block %u of %s is still referenced (local %u)",
+		elog(ERROR, "block %u of %s is still referenced (local %d)",
 			 bufHdr->tag.blockNum,
 			 relpathbackend(BufTagGetRelFileLocator(&bufHdr->tag),
 							MyProcNumber,

src/backend/utils/adt/pgstatfuncs.c

@@ -1510,7 +1510,7 @@ pg_stat_io_build_tuples(ReturnSetInfo *rsinfo,
 							bktype_stats->bytes[io_obj][io_context][io_op];
 
 						/* Convert to numeric */
-						snprintf(buf, sizeof buf, UINT64_FORMAT, byte);
+						snprintf(buf, sizeof buf, INT64_FORMAT, byte);
 						values[byte_idx] = DirectFunctionCall3(numeric_in,
 															   CStringGetDatum(buf),
 															   ObjectIdGetDatum(0),