From 00a7eb3e8a3eebf38585ef3dbbe30edd4015ac68 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Fri, 12 Jun 2026 18:32:16 +0000
Subject: object/store/packed: Fix error handling

---
 object/store/packed/pack.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/object/store/packed/pack.go b/object/store/packed/pack.go
index cdf86203..dd43bc7a 100644
--- a/object/store/packed/pack.go
+++ b/object/store/packed/pack.go
@@ -15,6 +15,7 @@ import (
 
 var (
 	errPackTruncated       = errors.New("truncated")
+	errPackMalformedHeader = errors.New("malformed header")
 	errPackCountMismatch   = errors.New("object count differs from index")
 	errPackTrailerMismatch = errors.New("trailer hash differs from index")
 )
@@ -103,7 +104,7 @@ func validatePackData(data []byte, idx *packidx.Packidx, hashSize int) error {
 
 	header, err := packfile.ParseHeader(data)
 	if err != nil {
-		return err
+		return fmt.Errorf("%w: %w", errPackMalformedHeader, err)
 	}
 
 	count := uint64(header.ObjectCount)
-- 
cgit v1.3.1-10-gc9f91