From 771ead87321ae6e39e5c9f6f0855c58cde6648f1 Mon Sep 17 00:00:00 2001
From: Kevin Backhouse <kevinbackhouse@github.com>
Date: Wed, 26 Oct 2022 22:07:11 +0100
Subject: [PATCH] Credit to OSS-Fuzz:
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52731 Stop looping when
 eof is hit.

---
 src/quicktimevideo.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/quicktimevideo.cpp b/src/quicktimevideo.cpp
index 011b3c29..b44b3683 100644
--- a/src/quicktimevideo.cpp
+++ b/src/quicktimevideo.cpp
@@ -1221,12 +1221,13 @@ void QuickTimeVideo::multipleEntriesDecoder() {
   DataBuf buf(4 + 1);
   io_->readOrThrow(buf.data(), 4);
   io_->readOrThrow(buf.data(), 4);
-  size_t noOfEntries;
+  uint32_t noOfEntries;
 
   noOfEntries = buf.read_uint32(0, bigEndian);
 
-  for (unsigned long i = 1; i <= noOfEntries; i++)
+  for (uint32_t i = 0; i < noOfEntries && continueTraversing_; i++) {
     decodeBlock();
+  }
 }  // QuickTimeVideo::multipleEntriesDecoder
 
 void QuickTimeVideo::videoHeaderDecoder(size_t size) {