From d5294be00b0f89486b3459d5835045dbf26444b5 Mon Sep 17 00:00:00 2001
From: Alex <aleksandrosansan@gmail.com>
Date: Sat, 10 Dec 2022 01:22:00 +0000
Subject: [PATCH] Fixes Heap-buffer-overflow READ 4 in
 Assimp::ScenePreprocessor::ProcessMesh

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49797
---
 code/AssetLib/OFF/OFFLoader.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/code/AssetLib/OFF/OFFLoader.cpp b/code/AssetLib/OFF/OFFLoader.cpp
index a366d7463..cb265029a 100644
--- a/code/AssetLib/OFF/OFFLoader.cpp
+++ b/code/AssetLib/OFF/OFFLoader.cpp
@@ -290,11 +290,12 @@ void OFFImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOS
         sz = line; SkipSpaces(&sz);
         idx = strtoul10(sz,&sz);
         if(!idx || idx > 9) {
-	    ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed");
+	        ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed");
             --mesh->mNumFaces;
+            ++i;
             continue;
-	}
-	faces->mNumIndices = idx;
+	    }
+	    faces->mNumIndices = idx;
         faces->mIndices = new unsigned int[faces->mNumIndices];
         for (unsigned int m = 0; m < faces->mNumIndices;++m) {
             SkipSpaces(&sz);