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Use-of-uninitialized-value in fclamp |
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Issue descriptionDetailed report: https://cluster-fuzz.appspot.com/testcase?key=4884525227442176 Fuzzer: libfuzzer_pdf_codec_icc_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: fclamp BilinearInterpFloat _LUTevalFloat Recommended Security Severity: Medium Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=430492:430537 Minimized Testcase (0.50 Kb): https://cluster-fuzz.appspot.com/download/AMIfv948jKzUOVFunU-Ub2STZER0e0FduzKGDI2mVsGGlg9lF80YJUvxmBgKckvC68GAfD7_3RxbLP1GUrTiLrSXYwer99ttRdRwPpl-wWevyFNhfQY_MdNdEOFxCSQyW61dSzChEtJLTeMSXeuK5YisoNV4YRrDfQ?testcase_id=4884525227442176 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
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Nov 20 2016
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Nov 20 2016
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Nov 21 2016
Can you take a look at this or route it to someone who can? Thanks.
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Nov 21 2016
kcwu@ more ICC fuzzer fun. Please feel free to assign back if you don't have time.
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Nov 23 2016
ClusterFuzz has detected this issue as fixed in range 433980:434071. Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4884525227442176 Fuzzer: libfuzzer_pdf_codec_icc_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: fclamp BilinearInterpFloat _LUTevalFloat Recommended Security Severity: Medium Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=430492:430537 Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=433980:434071 Minimized Testcase (0.50 Kb): https://cluster-fuzz.appspot.com/download/AMIfv948jKzUOVFunU-Ub2STZER0e0FduzKGDI2mVsGGlg9lF80YJUvxmBgKckvC68GAfD7_3RxbLP1GUrTiLrSXYwer99ttRdRwPpl-wWevyFNhfQY_MdNdEOFxCSQyW61dSzChEtJLTeMSXeuK5YisoNV4YRrDfQ?testcase_id=4884525227442176 See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.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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Nov 23 2016
ClusterFuzz has detected this issue as fixed in range 433980:434071. Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4884525227442176 Fuzzer: libfuzzer_pdf_codec_icc_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: fclamp BilinearInterpFloat _LUTevalFloat Recommended Security Severity: Medium Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=430492:430537 Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=433980:434071 Minimized Testcase (0.50 Kb): https://cluster-fuzz.appspot.com/download/AMIfv948jKzUOVFunU-Ub2STZER0e0FduzKGDI2mVsGGlg9lF80YJUvxmBgKckvC68GAfD7_3RxbLP1GUrTiLrSXYwer99ttRdRwPpl-wWevyFNhfQY_MdNdEOFxCSQyW61dSzChEtJLTeMSXeuK5YisoNV4YRrDfQ?testcase_id=4884525227442176 See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.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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Nov 23 2016
https://pdfium.googlesource.com/pdfium/+/89a2d92549d25df6786d53de5671eb141e1fd3e2%5E%21/ has stricter requirement for input colorspace. I don't know whether it really fixed this problem or just hide it.
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Nov 23 2016
ClusterFuzz testcase is verified as fixed, closing issue. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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Nov 23 2016
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Dec 15 2016
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Dec 16 2016
This bug requires manual review: No test file found in commits. Please contact the milestone owner if you have questions. Owners: amineer@(clank), cmasso@(bling), gkihumba@(cros), bustamante@(desktop) For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Dec 16 2016
[Automated comment] removing mislabelled Merge-Review-56, Hotlist-Merge-Review
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Jan 13 2017
Removing RBS since we don't have an identified fix to merge.
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Mar 1 2017
This bug has been closed for more than 14 weeks. Removing security view restrictions. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by sheriffbot@chromium.org
, Nov 20 2016