From a179ccf6f002024268d524a4254abb0011f3d964 Mon Sep 17 00:00:00 2001
From: Noisy <125606576+donatik27@users.noreply.github.com>
Date: Thu, 29 Jan 2026 14:08:04 +0100
Subject: [PATCH] core/state: add bounds check in heap eviction loop (#33712)

core/state: add bounds check in heap eviction loop

Add len(h) > 0 check before accessing h[0] to prevent potential panic
and align with existing heap access patterns in txpool, p2p, and mclock
packages.
---
 core/state/state_sizer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/state/state_sizer.go b/core/state/state_sizer.go
index fc6781ad93..02b73e5575 100644
--- a/core/state/state_sizer.go
+++ b/core/state/state_sizer.go
@@ -346,7 +346,7 @@ func (t *SizeTracker) run() {
 
 			// Evict the stale statistics
 			heap.Push(&h, stats[u.root])
-			for u.blockNumber-h[0].BlockNumber > statEvictThreshold {
+			for len(h) > 0 && u.blockNumber-h[0].BlockNumber > statEvictThreshold {
 				delete(stats, h[0].StateRoot)
 				heap.Pop(&h)
 			}