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LibGfx: Fix serializing Gfx::Bitmaps

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a396bb0 removed the palette field but did not update the allocation size
in `Bitmap::serialize_to_byte_buffer()`. This led to a few crashes (I
noticed this from a drag/drop crash in the file manager).

Fixes #21434
This commit is contained in:
MacDue 2023-10-15 19:25:35 +01:00 • committed by Andreas Kling
parent f0cd7adaf8
commit 95bf6ddb8e
2 changed files with 10 additions and 1 deletions
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2
Userland/Libraries/LibGfx/Bitmap.cpp
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@ -237,7 +237,7 @@ ErrorOr<NonnullRefPtr<Bitmap>> Bitmap::create_from_serialized_bytes(ReadonlyByte
ErrorOr<ByteBuffer> Bitmap::serialize_to_byte_buffer() const
{
auto buffer = TRY(ByteBuffer::create_uninitialized(sizeof(size_t) + 4 * sizeof(unsigned) + sizeof(BitmapFormat) + size_in_bytes()));
auto buffer = TRY(ByteBuffer::create_uninitialized(sizeof(size_t) + 3 * sizeof(unsigned) + sizeof(BitmapFormat) + size_in_bytes()));
FixedMemoryStream stream { buffer.span() };
TRY(stream.write_value(size_in_bytes()));