From 488791a5a1498caf7cdf1a2b3390398635cf1025 Mon Sep 17 00:00:00 2001
From: Tonis Tiigi <tonistiigi@gmail.com>
Date: Fri, 10 Feb 2023 19:23:39 -0800
Subject: [PATCH] gha: avoid range requests with too big offset

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
---
 cache/remotecache/gha/gha.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/cache/remotecache/gha/gha.go b/cache/remotecache/gha/gha.go
index 131076693f81..9b16e7fc9de8 100644
--- a/cache/remotecache/gha/gha.go
+++ b/cache/remotecache/gha/gha.go
@@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"io"
 	"os"
 	"sync"
 	"time"
@@ -371,6 +372,13 @@ type readerAt struct {
 	desc ocispecs.Descriptor
 }
 
+func (r *readerAt) ReadAt(p []byte, off int64) (int, error) {
+	if off >= r.desc.Size {
+		return 0, io.EOF
+	}
+	return r.ReaderAtCloser.ReadAt(p, off)
+}
+
 func (r *readerAt) Size() int64 {
 	return r.desc.Size
 }