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Improve handling of JPEG images without an EOI marker (issue 12841)

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Given that the PDF document in the issue contains the same very large JPEG image *three* times, this patch includes a test-case where only the first page has been extracted from it.
This commit is contained in:
Jonas Jenwald 2021-01-09 20:07:08 +01:00
parent 7f199e7017
commit cd9422a075
4 changed files with 8 additions and 1 deletions
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2
src/core/jpg.js
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@ -1063,7 +1063,7 @@ var JpegImage = (function JpegImageClosure() {
offset = nextFileMarker.offset; offset = nextFileMarker.offset;
break; break;
} }
if (offset >= data.length - 1) { if (!nextFileMarker || offset >= data.length - 1) {
warn( warn(
"JpegImage.parse - reached the end of the image data " + "JpegImage.parse - reached the end of the image data " +
"without finding an EOI marker (0xFFD9)." "without finding an EOI marker (0xFFD9)."

1
test/pdfs/.gitignore vendored
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@ -241,6 +241,7 @@
!personwithdog.pdf !personwithdog.pdf
!helloworld-bad.pdf !helloworld-bad.pdf
!zerowidthline.pdf !zerowidthline.pdf
!issue12841_reduced.pdf
!bug868745.pdf !bug868745.pdf
!mmtype1.pdf !mmtype1.pdf
!issue4436r.pdf !issue4436r.pdf

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test/pdfs/issue12841_reduced.pdf Normal file
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6
test/test_manifest.json
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@ -3236,6 +3236,12 @@
"link": true, "link": true,
"type": "eq" "type": "eq"
}, },
{ "id": "issue12841",
"file": "pdfs/issue12841_reduced.pdf",
"md5": "5c645897c652853ad86b59df5fc6cce0",
"rounds": 1,
"type": "eq"
},
{ "id": "issue1597", { "id": "issue1597",
"file": "pdfs/issue1597.pdf", "file": "pdfs/issue1597.pdf",
"md5": "a5ebef467fd6e2fc0aeb56c9eb725ae3", "md5": "a5ebef467fd6e2fc0aeb56c9eb725ae3",