1 files changed, 42 insertions, 0 deletions
diff --git a/leptonica/prog/fuzzing/mask_fuzzer.cc b/leptonica/prog/fuzzing/mask_fuzzer.cc
new file mode 100644
index 00000000..dc665a9d
--- /dev/null
+++ b/leptonica/prog/fuzzing/mask_fuzzer.cc
@@ -0,0 +1,42 @@
+#include "leptfuzz.h"
+
+PIX *
+MakeReplacementMask(PIX  *pixs)
+{
+PIX  *pix1, *pix2, *pix3, *pix4;
+
+    pix1 = pixMaskOverColorPixels(pixs, 95, 3);
+    pix2 = pixMorphSequence(pix1, "o15.15", 0);
+    pixSeedfillBinary(pix2, pix2, pix1, 8);
+    pix3 = pixMorphSequence(pix2, "c15.15 + d61.31", 0);
+    pix4 = pixRemoveBorderConnComps(pix3, 8);
+    pixXor(pix4, pix4, pix3);
+    pixDestroy(&pix1);
+    pixDestroy(&pix2);
+    pixDestroy(&pix3);
+    return pix4;
+}
+
+
+extern "C" int
+LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+    if(size<3) return 0;
+
+    leptSetStdNullHandler();
+
+    PIX *pixs, *pix1, *pix2;
+
+    pixs = pixReadMemSpix(data, size);
+    if(pixs==NULL) return 0;
+
+    pix1 = MakeReplacementMask(pixs);
+    pix2 = pixConvertTo8(pix1, FALSE);
+
+    pixPaintSelfThroughMask(pix2, pix1, 0, 0, L_HORIZ, 30, 50, 5, 10);
+
+    pixDestroy(&pixs);
+    pixDestroy(&pix1);
+    pixDestroy(&pix2);
+    return 0;
+}