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LibGfx+Fuzz: Convert ImageDecoder::initialize to ErrorOr

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This prevents callers from accidentally discarding the result of
initialize(), which was the root cause of this OSS Fuzz bug:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55896&q=label%3AProj-serenity&sort=summary
This commit is contained in:
Ben Wiederhake 2023-05-07 19:27:07 +02:00 • committed by Sam Atkins
parent a84e64ed22
commit da394abe04
37 changed files with 125 additions and 105 deletions
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7
Userland/Libraries/LibPDF/Filter.cpp
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@ -272,10 +272,9 @@ PDFErrorOr<ByteBuffer> Filter::decode_dct(ReadonlyBytes bytes)
{
if (Gfx::JPEGImageDecoderPlugin::sniff({ bytes.data(), bytes.size() })) {
auto decoder = Gfx::JPEGImageDecoderPlugin::create({ bytes.data(), bytes.size() }).release_value_but_fixme_should_propagate_errors();
if (decoder->initialize()) {
auto frame = TRY(decoder->frame(0));
return TRY(frame.image->serialize_to_byte_buffer());
}
TRY(decoder->initialize());
auto frame = TRY(decoder->frame(0));
return TRY(frame.image->serialize_to_byte_buffer());
}
return AK::Error::from_string_literal("Not a JPEG image!");
};