From 99337fde2a4cf6863742e7c2ac70a35fb22787e0 Mon Sep 17 00:00:00 2001
From: "Constantin P." <papizh.konstantin@demlabs.net>
Date: Mon, 14 Oct 2024 19:10:21 +0700
Subject: [PATCH] ...

---
 modules/chain/dap_chain_cell.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/chain/dap_chain_cell.c b/modules/chain/dap_chain_cell.c
index 88e50a2aaf..89438c658b 100644
--- a/modules/chain/dap_chain_cell.c
+++ b/modules/chain/dap_chain_cell.c
@@ -463,7 +463,7 @@ int dap_chain_cell_load(dap_chain_t *a_chain, dap_chain_cell_t *a_cell)
                     break;
                 }
             l_el_size = *(uint64_t*)a_cell->map_pos;
-            if ( l_el_size > (size_t)(l_full_size - l_pos) )
+            if ( !l_el_size || l_el_size > (size_t)(l_full_size - l_pos) )
                 break;
             a_cell->map_pos += sizeof(uint64_t);
             dap_chain_atom_ptr_t l_atom = (dap_chain_atom_ptr_t)(a_cell->map_pos);
-- 
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