Fix performance problem in fuzzer.

Exiv2 · Apr 30, 2024 · d239f14 · d239f14
1 parent 3682a92
commit d239f14
Showing 1 changed file with 12 additions and 6 deletions.
diff --git a/fuzz/fuzz-read-print-write.cpp b/fuzz/fuzz-read-print-write.cpp
@@ -21,16 +21,22 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
 
     image->readMetadata();
     for (auto& md : image->exifData()) {
-      md.print();
-      md.print(&image->exifData());
+      if (md.tagName().substr(0, 2) != "0x") {
+        md.print();
+        md.print(&image->exifData());
+      }
     }
     for (auto& md : image->iptcData()) {
-      md.print();
-      md.print(&image->exifData());
+      if (md.tagName().substr(0, 2) != "0x") {
+        md.print();
+        md.print(&image->exifData());
+      }
     }
     for (auto& md : image->xmpData()) {
-      md.print();
-      md.print(&image->exifData());
+      if (md.tagName().substr(0, 2) != "0x") {
+        md.print();
+        md.print(&image->exifData());
+      }
     }
 
     // Print to a std::ostringstream so that the fuzzer doesn't