From 4f9825549e693c9f90bf6d29181bb73395024678 Mon Sep 17 00:00:00 2001
From: simlecode <69969590+simlecode@users.noreply.github.com>
Date: Thu, 11 Jan 2024 09:59:10 +0800
Subject: [PATCH 1/2] opt: check array length

---
 pkg/net/exchange/client.go                       | 8 +++++++-
 venus-component/libp2p/exchange/client/client.go | 8 +++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/pkg/net/exchange/client.go b/pkg/net/exchange/client.go
index ff6519584e..331edec97d 100644
--- a/pkg/net/exchange/client.go
+++ b/pkg/net/exchange/client.go
@@ -334,7 +334,13 @@ func (c *client) GetFullTipSet(ctx context.Context, peers []peer.ID, tsk types.T
 		return nil, err
 	}
 
-	return validRes.toFullTipSets()[0], nil
+	fullTipsets := validRes.toFullTipSets()
+
+	if len(fullTipsets) == 0 {
+		return nil, fmt.Errorf("unexpectedly got no tipsets in exchange")
+	}
+
+	return fullTipsets[0], nil
 	// If `doRequest` didn't fail we are guaranteed to have at least
 	//  *one* tipset here, so it's safe to index directly.
 }
diff --git a/venus-component/libp2p/exchange/client/client.go b/venus-component/libp2p/exchange/client/client.go
index f56b9577db..9160abbafd 100644
--- a/venus-component/libp2p/exchange/client/client.go
+++ b/venus-component/libp2p/exchange/client/client.go
@@ -339,7 +339,13 @@ func (c *client) GetFullTipSet(ctx context.Context, peer peer.ID, tsk chain.TipS
 		return nil, err
 	}
 
-	return validRes.toFullTipSets()[0], nil
+	fullTipsets := validRes.toFullTipSets()
+
+	if len(fullTipsets) == 0 {
+		return nil, fmt.Errorf("unexpectedly got no tipsets in exchange")
+	}
+
+	return fullTipsets[0], nil
 	// If `doRequest` didn't fail we are guaranteed to have at least
 	//  *one* tipset here, so it's safe to index directly.
 }

From d181856f985b378377cbb0e469838675894d9409 Mon Sep 17 00:00:00 2001
From: simlecode <69969590+simlecode@users.noreply.github.com>
Date: Thu, 11 Jan 2024 10:02:19 +0800
Subject: [PATCH 2/2] chore: bump version to v1.14.3

---
 CHANGELOG.md             | 4 ++++
 pkg/constants/version.go | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f179d6e5a0..4fe62c2273 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # venus changelog
 
+## v1.14.3
+
+* fix: index too large may out of range [[#6258](https://github.com/filecoin-project/venus/pull/6258)]
+
 ## v1.14.2
 
 * fix: exchange: allow up to 10k messages per block
diff --git a/pkg/constants/version.go b/pkg/constants/version.go
index 420d352f42..4aae8946f5 100644
--- a/pkg/constants/version.go
+++ b/pkg/constants/version.go
@@ -5,7 +5,7 @@ import (
 )
 
 // BuildVersion is the local build version, set by build system
-const BuildVersion = "1.14.2"
+const BuildVersion = "1.14.3"
 
 var CurrentCommit string