Integer-overflow in CJBig2_TRDProc::decode_Arith |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4658193956077568 Fuzzer: libFuzzer_pdf_codec_jbig2_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: CJBig2_TRDProc::decode_Arith CJBig2_Context::parseTextRegion CJBig2_Context::parseSegmentData Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=421422:421461 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4658193956077568 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Feb 2 2018
Assigning by similarity to bug 778961 and bug 649278 .
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Feb 16 2018
Assigning all my PDF bugs to dsinclair@ for triaging. Will not be working on PDFium for a month.
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Apr 24 2018
ClusterFuzz has detected this issue as fixed in range 552911:552920. Detailed report: https://clusterfuzz.com/testcase?key=4658193956077568 Fuzzer: libFuzzer_pdf_codec_jbig2_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: CJBig2_TRDProc::decode_Arith CJBig2_Context::parseTextRegion CJBig2_Context::parseSegmentData Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=421422:421461 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=552911:552920 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4658193956077568 See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information. If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
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Apr 24 2018
ClusterFuzz testcase 4658193956077568 is verified as fixed, so closing issue as verified. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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Apr 24 2018
Likely https://pdfium.googlesource.com/pdfium/+/cca452eab645fd6b0e63ab2fd1dd553277df111e stopped the integer overflow by limiting image sizes. |
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Comment 1 by ClusterFuzz
, Feb 2 2018Labels: Test-Predator-Auto-Components