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Add Chromium's fuzz_fileter_fuzz to skia.

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Move the fuzzer in
chromium/src/skia/tools/filter_fuzz_stub/filter_fuzz_stub.cc
to Skia's fuzzer.

I recommend removing filter_fuzz_stub from chromium and only
using Skia's fuzzer.

BUG=chromium:700836

Change-Id: Ibab1a9b696e54a3042ee61f5524d196c12df2888
Reviewed-on: https://skia-review.googlesource.com/9802
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
This commit is contained in:
Herb Derby 2017-03-16 12:30:43 -04:00 committed by Skia Commit-Bot
parent fd47ca5cea
commit a839fc0b63
1 changed files with 43 additions and 0 deletions
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43
fuzz/fuzz.cpp
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@ -10,11 +10,14 @@
#include "SkCodec.h"
#include "SkCommandLineFlags.h"
#include "SkData.h"
#include "SkFlattenableSerialization.h"
#include "SkImage.h"
#include "SkImageEncoder.h"
#include "SkImageFilter.h"
#include "SkMallocPixelRef.h"
#include "SkOSFile.h"
#include "SkOSPath.h"
#include "SkPaint.h"
#include "SkPath.h"
#include "SkPicture.h"
#include "SkRegion.h"
@ -55,6 +58,8 @@ static void fuzz_img(sk_sp<SkData>, uint8_t, uint8_t);
static void fuzz_path_deserialize(sk_sp<SkData>);
static void fuzz_region_deserialize(sk_sp<SkData>);
static void fuzz_skp(sk_sp<SkData>);
static void fuzz_filter_fuzz(sk_sp<SkData>);
#if SK_SUPPORT_GPU
static void fuzz_sksl2glsl(sk_sp<SkData>);
#endif
@ -122,6 +127,10 @@ static int fuzz_file(const char* path) {
fuzz_skp(bytes);
return 0;
}
if (0 == strcmp("filter_fuzz", FLAGS_type[0])) {
fuzz_filter_fuzz(bytes);
return 0;
}
#if SK_SUPPORT_GPU
if (0 == strcmp("sksl2glsl", FLAGS_type[0])) {
fuzz_sksl2glsl(bytes);
@ -512,6 +521,40 @@ static void fuzz_region_deserialize(sk_sp<SkData> bytes) {
SkDebugf("[terminated] Success! Initialized SkRegion.\n");
}
static void fuzz_filter_fuzz(sk_sp<SkData> bytes) {
const int BitmapSize = 24;
SkBitmap bitmap;
bitmap.allocN32Pixels(BitmapSize, BitmapSize);
SkCanvas canvas(bitmap);
canvas.clear(0x00000000);
sk_sp<SkImageFilter> flattenable = SkValidatingDeserializeImageFilter(
bytes->data(), bytes->size());
// Adding some info, but the test passed if we got here without any trouble
if (flattenable != NULL) {
SkDebugf("Valid stream detected.\n");
// Let's see if using the filters can cause any trouble...
SkPaint paint;
paint.setImageFilter(flattenable);
canvas.save();
canvas.clipRect(SkRect::MakeXYWH(
0, 0, SkIntToScalar(BitmapSize), SkIntToScalar(BitmapSize)));
// This call shouldn't crash or cause ASAN to flag any memory issues
// If nothing bad happens within this call, everything is fine
canvas.drawBitmap(bitmap, 0, 0, &paint);
SkDebugf("Filter DAG rendered successfully\n");
canvas.restore();
} else {
SkDebugf("Invalid stream detected.\n");
}
SkDebugf("[terminated] Done\n");
}
#if SK_SUPPORT_GPU
static void fuzz_sksl2glsl(sk_sp<SkData> bytes) {
SkSL::Compiler compiler;