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Null-dereference READ in _IO_wdefault_xsputn |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6217661340712960 Fuzzer: libFuzzer_pdfium_xfa_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: _IO_wdefault_xsputn vfwprintf vswprintf Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=555725:555734 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6217661340712960 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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May 14 2018
> Predator was unable to identify any culprit changelists for this test case. > Unable to find actual suspect through code search and also observing no possible CL under regression range, hence requesting someone from pdf team to look in to it. Thanks!
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May 14 2018
No PDFium change in the range provided, I'm guessing this is a V8 issue. Dan, who do we route these to?
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May 14 2018
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May 24 2018
ClusterFuzz has detected this issue as fixed in range 560951:561052. Detailed report: https://clusterfuzz.com/testcase?key=6217661340712960 Fuzzer: libFuzzer_pdfium_xfa_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: _IO_wdefault_xsputn vfwprintf vswprintf Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=555725:555734 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=560951:561052 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6217661340712960 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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May 24 2018
ClusterFuzz testcase 6217661340712960 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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Comment 1 by ClusterFuzz
, May 13 2018Labels: ClusterFuzz-Auto-CC