m-holger
0aa6b67eea
In QPDFWordTokenFinder::check limit the token length
...
Tokens longer than the target cannot be a match and therefore there is no
need to read to the end of token.
2024-09-24 01:32:32 +01:00
m-holger
477fbd9839
Add additional fuzz test cases
2024-09-20 15:28:53 +01:00
m-holger
dcf111a9bc
Apply fuzzer Pl_Flate memory limit only when inflating
...
Fixes fuzz issue 71689.
2024-09-18 00:12:44 +01:00
m-holger
9ba6e070a1
Fix #1242
...
Ensure QPDF m->all_pages and invalid_page_found are reset if
getAllPagesInternal throws an exception.
Fixes fuzz case 71624.
2024-09-16 16:04:43 +01:00
m-holger
d8d73679e7
Split qpdf_fuzzer into six separate fuzzers
2024-09-03 14:21:06 +01:00
m-holger
08eb6844c7
Add new qpdf_fuzzer test cases
2024-08-06 12:26:37 +01:00
m-holger
3bab4cf394
Refactor Pl_RunLength::decode
...
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
...
Also, add additional qpdf_fuzzer test case.
2024-08-03 14:09:31 +01:00
m-holger
bc68003cb3
Add additional qpdf_fuzzer test case
2024-07-28 18:10:02 +01:00
m-holger
30e187b458
Rename fuzz test case
2024-07-18 16:50:37 +01:00
m-holger
e14e828c3d
Add further fuzz tests
2024-07-16 14:52:09 +01:00
m-holger
c2c1618e08
Add extra sanity check on pages tree
...
Reject non-dictionary Page and Pages objects.
Also add additional qpdf_fuzzer test cases.
2024-07-10 19:03:23 +01:00
m-holger
7172dbd4e0
Add additional fuzzer test cases
...
Add test case for oss-fuzz 15471 and 69977a
2024-07-09 17:17:10 +01:00
m-holger
e76d668219
Add qpdf_fuzzer test case
2024-07-07 23:58:18 +01:00
m-holger
c1cd3ec8a0
In QPDF::processXRefIndex check number of objects in subsection is > 0
...
Fixes oss-fuzz 70055
2024-07-06 16:09:50 +01:00
m-holger
42c511198b
Suppress excessive warnings while fuzzing
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Add extra fuzz test case and amend memory limit for Pl_DCT.
2024-07-02 01:16:23 +01:00
m-holger
0a081e1f09
In QPDFOutlineObjectHelper detect loops in direct children
...
Also, add diagnostic messages in qpdf_fuzzer and additional fuzz test case.
2024-06-29 12:38:07 +01:00
m-holger
8ae3ef28ac
Fix #1170
...
In QPDF::read_xrefEntry add buffer overflow test for first eol character.
Overlong f1 or f2 entries consisting only of zeros could cause a buffer
overflow.
Add fuzz testcase 69913.
2024-06-27 08:17:58 +01:00
m-holger
e62973d277
In QPDF check for page tree after reading xref table
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Also add new fuzz test case.
2024-06-25 15:18:54 +01:00
m-holger
7f8e0a0d22
Add fuzz testcase 68915.fuzz
2024-05-11 21:49:27 +01:00
m-holger
02e89bbe47
Fix bug in QPDFWriter::preserveObjectStreams
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Code failed to allow for QPDF::getCompressibleObjSet deleting objects
from the object cache in case of multiple entries for the same object id.
Add fuzz test case 68668.
2024-05-04 10:55:30 +01:00
m-holger
e85b98b7e8
Guard against object id == std::numeric_limits<int> in QPDF::insertReconstructedXrefEntry
2024-04-30 12:38:02 +01:00
m-holger
60c7d594b8
In QPDF::filterCompressedObjects ignore objects not in QPDFWriter tables
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Add fuzz case 68377.
2024-04-30 10:46:06 +01:00
Jay Berkenbilt
f0fb19df9d
Add json fuzzer with seed files from #1123 and test suite
...
...as well as some cases generated in CI from earlier attempts at
fixing this.
2024-02-04 17:27:49 -05:00
m-holger
6e3b7982db
Fix incorrect handling of invalid negative object ids
...
Fix two errors introduced in #1110 and #1112 . Since
#1110 , encountering the invalid indirect reference #1110
-2147483648 n R produces an integer underflow which, if
undetected, immediately trigger a logic error. Since
#1112 , object -1 0 R may be incorrectly identified as
an earlier generation of itself and deleted,
invalidating a live iterator.
2024-01-17 10:39:06 +00:00
Jay Berkenbilt
ebb10f3256
Fix null pointer issue on array copy
2024-01-12 08:05:22 -05:00
Jay Berkenbilt
a69fea14ae
Add the file to reproduce fuzz issue 57639
...
It is possible to reproduce the failure with this file following the
instructions with oss-fuzz, though it does not cause a failure in CI.
The failure was introduced in
18c1ffe0df
2023-05-05 06:45:40 -04:00
Jay Berkenbilt
b8aff90997
Add cmake configuration files
2022-03-18 19:53:18 -04:00
