m-holger
2856b288e4
Merge pull request #1258 from m-holger/fuzz
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Adjust fuzzer memory limits and refactor Pl_RunLength::decode
2024-08-04 00:28:50 +01:00
m-holger
3bab4cf394
Refactor Pl_RunLength::decode
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Buffer output locally.
Add qpdf_fuzzer test case.
2024-08-03 15:52:45 +01:00
m-holger
5edb548148
Reduce Pl_DCT and Pl_Flate memory limits during fuzzing
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Also, add additional qpdf_fuzzer test case.
2024-08-03 14:09:31 +01:00
m-holger
34f557a83f
Merge pull request #1257 from m-holger/fuzz
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In QPDFWriter::willFilterStream remember unfilterable streams
2024-08-03 01:10:20 +01:00
m-holger
99f3a7b5a3
In QPDFWriter::writeLinearized remember whether streams are filtered
2024-08-02 21:05:17 +01:00
m-holger
634d924986
In QPDFWriter::willFilterStream remember unfilterable streams
2024-08-02 19:23:17 +01:00
m-holger
5940c53fed
Merge pull request #1255 from m-holger/fuzz
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Refactor xref reconstruction
2024-07-29 01:04:53 +01:00
m-holger
2bb9e06d1e
In qpdf_fuzzer add a memory limit for Pl_Flate
2024-07-28 19:54:38 +01:00
m-holger
bc68003cb3
Add additional qpdf_fuzzer test case
2024-07-28 18:10:02 +01:00
m-holger
aa4f288291
Refactor xref reconstruction
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Avoid unnecessary rescanning of lines and repositioning of input file.
Limit max size of tokens.
2024-07-28 18:03:59 +01:00
m-holger
bbe732c015
Merge pull request #1254 from m-holger/fuzz
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Adjust qpdf_fuzzer warnings limit
2024-07-28 01:51:54 +01:00
m-holger
f8518d3677
Adjust qpdf_fuzzer warnings limit
2024-07-27 21:18:06 +01:00
m-holger
1536a76071
Refactor Pl_QPDFTokenizer::finish
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Remove unnecessary use of shared pointers and avoid unnecessary string
creation.
2024-07-27 18:55:43 +01:00
m-holger
986a253cdd
Overload QPDFTokenizer::findEI to take a InputSource&
2024-07-27 18:27:49 +01:00
m-holger
4783b22312
In ContentNormalizer::handleToken refactor handling of space tokens
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Avoid writing each space char individually.
2024-07-27 18:06:12 +01:00
m-holger
ffe462e67e
In ContentNormalizer::handleToken refactor handling of string and name tokens
2024-07-27 16:49:27 +01:00
m-holger
959ae4b4da
Avoid unnecessary string copies in ContentNormalizer::handleToken
2024-07-27 16:33:17 +01:00
m-holger
fa9df75bd4
Merge pull request #1251 from m-holger/fuzz
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Mark intentional unsigned integer wrapping in MD5_native::transform and adjust fuzzer memory limits
2024-07-23 00:22:31 +01:00
m-holger
4f694cdfde
In qpdf_fuzzer reduce Pl_PNGFilter and Pl_TIFFPredictor memory limits
2024-07-22 13:25:21 +01:00
m-holger
4f16961052
In MD5_native::transform disable sanitizer unsigned integer overflow checks
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Wrap-around is intentional and generates false positives
2024-07-22 13:11:07 +01:00
m-holger
fe46d0fbb4
Tidy qpdfjob-remove-annotations example
2024-07-21 18:52:25 +01:00
m-holger
b3ab5cd216
Merge pull request #1248 from m-holger/hk
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Update TODO.md
2024-07-20 15:21:00 +01:00
m-holger
16fe38b8e3
Update TODO.md with pages tree / fuzz discussions
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Also, remove closed fuzz cases.
2024-07-19 15:04:47 +01:00
m-holger
9ce18e41f4
Merge pull request #979 from m-holger/const
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In FUTURE make various QPDFObjectHandle methods const
2024-07-19 10:50:08 +01:00
m-holger
5be057caf0
Merge pull request #1247 from m-holger/fuzz
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Adjust fuzzer warning and memory limits
2024-07-18 22:24:54 +01:00
m-holger
9ac506509b
Merge pull request #1240 from m-holger/i1238
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Fix QPDFOutlineDocumentHelper::resolveNamedDest (fixes #1238 )
2024-07-18 22:24:16 +01:00
m-holger
30e187b458
Rename fuzz test case
2024-07-18 16:50:37 +01:00
m-holger
34729e37e0
Limit memory used by Pl_PNGFilter and Pl_TIFFPredictor during fuzzing
2024-07-18 16:50:30 +01:00
m-holger
fe1fffe8db
Change QPDF max_warnings into a hard limit
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Throw damagedFile if max_warnings is exceeded. Change qpdf_fuzzer warnings limit to
limit to 500.
2024-07-18 16:50:08 +01:00
m-holger
bcf81a1423
Merge pull request #1242 from m-holger/fuzz
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Tighten page tree checks
2024-07-17 00:59:56 +01:00
m-holger
992b7911ce
Limit the number of warnings in json_fuzzer before giving up
2024-07-16 15:36:58 +01:00
m-holger
e14e828c3d
Add further fuzz tests
2024-07-16 14:52:09 +01:00
m-holger
25e11a444a
Throw an exception if the root of the pages tree misses the /Kids array
2024-07-16 14:44:47 +01:00
m-holger
7f2d76b78d
Remove non-dictionary objects from pages tree
2024-07-16 14:35:32 +01:00
m-holger
01353e114f
Merge pull request #1241 from m-holger/fuzz
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Add further sanity checks to QPDF::reconstruct_xref
2024-07-14 23:40:29 +01:00
m-holger
f3cbaafcac
Fix QPDFOutlineDocumentHelper::resolveNamedDest ( fixes #1238 )
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Handle case where named destination is a dictionary with /D entry.
Test case is hand-edited outlines-with-old-root-dests.pdf with modified
object 107.
2024-07-14 12:15:45 +01:00
m-holger
186fca6d8d
Add further sanity checks to QPDF::reconstruct_xref
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Run getAllPages as sanity check and throw an exception if too many
warnings are generated or no pages are found.
2024-07-13 14:51:14 +01:00
m-holger
963574f27f
Refactor QPDFOutlineDocumentHelper::resolveNamedDest
2024-07-13 11:34:02 +01:00
m-holger
f4e468b180
Merge pull request #1239 from m-holger/fuzz
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Add further sanity check to QPDF::reconstruct_xref
2024-07-12 00:00:20 +01:00
m-holger
722148de3d
Further limit size of uncompressed JPEG for fuzzing
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Try a limit of 50MB. For very large limits processing time before
damage is encountered may exceed oss-fuzz limits.
Add further test cases.
2024-07-11 14:32:22 +01:00
m-holger
e914bbbbbc
Add further sanity check to QPDF::reconstruct_xref
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If reconstruct_xref generates more than 1000 warnings give up because the
file is so severely damaged that there is very little point continuing.
2024-07-11 13:25:07 +01:00
m-holger
205bd6fb61
Merge pull request #1237 from m-holger/fuzz
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Add extra sanity check on pages tree
2024-07-11 01:02:27 +01:00
m-holger
c2c1618e08
Add extra sanity check on pages tree
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Reject non-dictionary Page and Pages objects.
Also add additional qpdf_fuzzer test cases.
2024-07-10 19:03:23 +01:00
m-holger
1ec5d3daa8
Merge pull request #1236 from m-holger/fuzz
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Add additional xref reconstruction sanity checks and fuzz test cases
2024-07-10 00:29:37 +01:00
m-holger
2b6500ea17
In Pl_DCT::decompress refactor handling of corrupt data
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If throw_on_corrupt is set, use a custom implementation of libjeg's
emit_message procedure to throw an exception when the first corrupt data
warning is encountered.
2024-07-09 20:55:51 +01:00
m-holger
7172dbd4e0
Add additional fuzzer test cases
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Add test case for oss-fuzz 15471 and 69977a
2024-07-09 17:17:10 +01:00
m-holger
2e378d920d
Add additional sanity check during xref reconstruction
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Check that xref table is not empty after recovery. Empty xref tables
disable other sanity checks.
2024-07-09 17:01:44 +01:00
m-holger
7445e0ac1e
Fix QPDF::setSuppressWarnings
2024-07-09 16:38:02 +01:00
m-holger
9ffa201422
Merge pull request #1234 from m-holger/dct_fuzz
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Fix Pl_DCT memory limit
2024-07-09 00:46:14 +01:00
m-holger
43004e3399
Fix Pl_DCT memory limit
2024-07-08 13:31:02 +01:00
