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Treat unknown colorspace as unspecified

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This commit is contained in:
Andrew Murray 2024-09-03 09:55:06 +10:00
parent 59f37db65f
commit 55f49393af
2 changed files with 11 additions and 3 deletions
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9
Tests/test_file_jpeg2k.py
View File

@ -182,6 +182,15 @@ def test_restricted_icc_profile() -> None:
ImageFile.LOAD_TRUNCATED_IMAGES = False
@pytest.mark.skipif(
not os.path.exists(EXTRA_DIR), reason="Extra image files not installed"
)
def test_unknown_colorspace() -> None:
with Image.open(f"{EXTRA_DIR}/file8.jp2") as im:
im.load()
assert im.mode == "L"
def test_header_errors() -> None:
for path in (
"Tests/images/invalid_header_length.jp2",

5
src/libImaging/Jpeg2KDecode.c
View File

@ -698,8 +698,7 @@ j2k_decode_entry(Imaging im, ImagingCodecState state) {
}
/* Check that this image is something we can handle */
if (image->numcomps < 1 || image->numcomps > 4 ||
image->color_space == OPJ_CLRSPC_UNKNOWN) {
if (image->numcomps < 1 || image->numcomps > 4) {
state->errcode = IMAGING_CODEC_BROKEN;
state->state = J2K_STATE_FAILED;
goto quick_exit;
@ -744,7 +743,7 @@ j2k_decode_entry(Imaging im, ImagingCodecState state) {
/* Find the correct unpacker */
color_space = image->color_space;
if (color_space == OPJ_CLRSPC_UNSPECIFIED) {
if (color_space == OPJ_CLRSPC_UNKNOWN || color_space == OPJ_CLRSPC_UNSPECIFIED) {
switch (image->numcomps) {
case 1:
case 2: