[harfbuzz] using fuzzer from harfbuzz repo

projects/harfbuzz/Dockerfile

@@ -20,4 +20,4 @@ RUN apt-get install -y make autoconf automake libtool ragel pkg-config
 
 RUN git clone --depth 1 https://anongit.freedesktop.org/git/harfbuzz.git
 WORKDIR harfbuzz
-COPY build.sh harfbuzz_fuzzer.cc $SRC/
+COPY build.sh $SRC/

projects/harfbuzz/build.sh

@@ -18,8 +18,11 @@
 # Build the library.
 ./autogen.sh
 ./configure
-make -j$(nproc) clean all
+make clean
+make -j$(nproc) V=1 alL
+make -C src V=1 fuzzing
 
 $CXX $CXXFLAGS -std=c++11 -Isrc \
-    $SRC/harfbuzz_fuzzer.cc -o $OUT/harfbuzz_fuzzer \
+    ./test/fuzzing/hb-fuzzer.cc -o $OUT/hb-fuzzer \
-    -lfuzzer src/.libs/*.o src/hb-ucdn/.libs/*.o
+    -lfuzzer ./src/.libs/libharfbuzz-fuzzing.a
+

projects/harfbuzz/harfbuzz_fuzzer.cc

@@ -1,46 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <stddef.h>
-#include <stdint.h>
-#include <string.h>
-
-#include <hb.h>
-#include <hb-ot.h>
-
-// Entry point for LibFuzzer.
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  const char* dataPtr = reinterpret_cast<const char*>(data);
-  hb_blob_t* blob = hb_blob_create(dataPtr, size, HB_MEMORY_MODE_READONLY, NULL,
-                                   NULL);
-  hb_face_t* face = hb_face_create(blob, 0);
-  hb_font_t* font = hb_font_create(face);
-  hb_ot_font_set_funcs(font);
-  hb_font_set_scale(font, 12, 12);
-
-  {
-    const char text[] = "ABCDEXYZ123@_%&)*$!";
-    hb_buffer_t* buffer = hb_buffer_create();
-    hb_buffer_add_utf8(buffer, text, -1, 0, -1);
-    hb_buffer_guess_segment_properties(buffer);
-    hb_shape(font, buffer, NULL, 0);
-    hb_buffer_destroy(buffer);
-  }
-
-  uint32_t text32[16] = { 0 };
-  if (size > sizeof(text32)) {
-    memcpy(text32, data + size - sizeof(text32), sizeof(text32));
-    hb_buffer_t* buffer = hb_buffer_create();
-    size_t text32len = sizeof(text32) / sizeof(text32[0]);
-    hb_buffer_add_utf32(buffer, text32, text32len, 0, -1);
-    hb_buffer_guess_segment_properties(buffer);
-    hb_shape(font, buffer, NULL, 0);
-    hb_buffer_destroy(buffer);
-  }
-
-  hb_font_destroy(font);
-  hb_face_destroy(face);
-  hb_blob_destroy(blob);
-  return 0;
-}