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animdecoder_fuzzer: fix memory leak

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BUG=oss-fuzz:28978

Change-Id: I7b3a495c02b4b03f367d732af5acb02856f8bead
This commit is contained in:
Pascal Massimino 2020-12-26 12:16:15 +01:00 committed by Skal
parent 6325882327
commit 8df77fb1b1
1 changed files with 3 additions and 2 deletions
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5
tests/fuzzer/animdecoder_fuzzer.cc
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@ -35,10 +35,10 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (dec == NULL) return 0; if (dec == NULL) return 0;
WebPAnimInfo info; WebPAnimInfo info;
if (!WebPAnimDecoderGetInfo(dec, &info)) return 0; if (!WebPAnimDecoderGetInfo(dec, &info)) goto End;
if (!ImgIoUtilCheckSizeArgumentsOverflow(info.canvas_width * 4, if (!ImgIoUtilCheckSizeArgumentsOverflow(info.canvas_width * 4,
info.canvas_height)) { info.canvas_height)) {
return 0; goto End;
} }
while (WebPAnimDecoderHasMoreFrames(dec)) { while (WebPAnimDecoderHasMoreFrames(dec)) {
@ -46,6 +46,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
int timestamp; int timestamp;
if (!WebPAnimDecoderGetNext(dec, &buf, &timestamp)) break; if (!WebPAnimDecoderGetNext(dec, &buf, &timestamp)) break;
} }
End:
WebPAnimDecoderDelete(dec); WebPAnimDecoderDelete(dec);
return 0; return 0;
} }