From 98d616eb162444d39e713d258627f3701b0784de Mon Sep 17 00:00:00 2001
From: Mirco Miranda <mirco.miranda@systemceramics.com>
Date: Thu, 29 Oct 2026 08:39:36 +0100
Subject: [PATCH] Update to the OSS-Fuzz test to verify all animations

---
 autotests/ossfuzz/kimgio_fuzzer.cc | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/autotests/ossfuzz/kimgio_fuzzer.cc b/autotests/ossfuzz/kimgio_fuzzer.cc
index 5992533..844b2dc 100644
--- a/autotests/ossfuzz/kimgio_fuzzer.cc
+++ b/autotests/ossfuzz/kimgio_fuzzer.cc
@@ -131,20 +131,33 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
         is_animated = handler->option(QImageIOHandler::Animation).toBool();
     }
 
-    if (is_animated) { // animated image
-        if (handler->supportsOption(QImageIOHandler::Size)) {
+    int tryCrash = 2;
+    int maxCount = handler->imageCount() + tryCrash;
+    for (int j = 0; tryCrash && j < maxCount; ++j) {
+        if (is_animated && handler->supportsOption(QImageIOHandler::Size)) {
             handler->option(QImageIOHandler::Size).toSize();
         }
 
         handler->imageCount();
         handler->loopCount();
-        handler->read(&i);
         handler->nextImageDelay();
-        handler->currentImageNumber();
-        handler->jumpToImage(0);
-        handler->jumpToNextImage();
-    } else { // static image
+        if (!handler->read(&i)) {
+            --tryCrash;
+        }
+    }
+
+    tryCrash = 2;
+    for (int j = 0; tryCrash && j < maxCount; ++j) {
+        if (is_animated && handler->supportsOption(QImageIOHandler::Size)) {
+            handler->option(QImageIOHandler::Size).toSize();
+        }
         handler->read(&i);
+        handler->imageCount();
+        handler->loopCount();
+        handler->nextImageDelay();
+        if (!handler->jumpToImage(j)) {
+            --tryCrash;
+        }
     }
 
     delete handler;