Integer-overflow in sfntly::FontData::BoundLength |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6543236482203648 Fuzzer: libfuzzer_sfntly_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: sfntly::FontData::BoundLength sfntly::ReadableFontData::ReadBytes sfntly::NameTable::Name Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=417039:417261 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6543236482203648 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
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May 23 2017
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Oct 24 2017
For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md. The link referenced in the description is no longer valid. (bulk edit)
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Feb 22 2018
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Feb 22 2018
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/e18303469043d05e27e125c44161e66a32be28bc commit e18303469043d05e27e125c44161e66a32be28bc Author: Lei Zhang <thestig@chromium.org> Date: Thu Feb 22 03:47:02 2018 Roll DEPS for sfntly 16f3404..2804148 2804148 Handle negative offsets when reading name tables. f5e0c30 Validate table count in font headers. BUG= 724890 , 811938 TBR=behdad@chromium.org Change-Id: Ie3a073347099b963e38ec80ea5bbaec5c17b49ec Reviewed-on: https://chromium-review.googlesource.com/930365 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org> Cr-Commit-Position: refs/heads/master@{#538337} [modify] https://crrev.com/e18303469043d05e27e125c44161e66a32be28bc/DEPS
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Feb 22 2018
ClusterFuzz has detected this issue as fixed in range 538333:538342. Detailed report: https://clusterfuzz.com/testcase?key=6543236482203648 Fuzzer: libFuzzer_sfntly_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: sfntly::FontData::BoundLength sfntly::ReadableFontData::ReadBytes sfntly::NameTable::Name Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=417039:417261 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=538333:538342 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6543236482203648 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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Feb 22 2018
ClusterFuzz testcase 6543236482203648 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 ranjitkan@chromium.org
, May 22 2017Labels: M-60 Test-Predator-Correct-CLs