Null-dereference READ in blink::TextOffsetMapping::TextOffsetMapping |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5433108372127744 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x0000000000c0 Crash State: blink::TextOffsetMapping::TextOffsetMapping blink::TextOffsetMapping::TextOffsetMapping NextWordPositionInternal Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=550102:550107 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5433108372127744 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Apr 19 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/1324be868df000cb2e070199ce2d10cd0c5a2706 (Make NextWordPosition() to utilize TextOffsetMapping). If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
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Apr 22 2018
ClusterFuzz has detected this issue as fixed in range 552550:552561. Detailed report: https://clusterfuzz.com/testcase?key=5433108372127744 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x0000000000c0 Crash State: blink::TextOffsetMapping::TextOffsetMapping blink::TextOffsetMapping::TextOffsetMapping NextWordPositionInternal Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=550102:550107 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=552550:552561 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5433108372127744 See https://github.com/google/clusterfuzz-tools 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 22 2018
ClusterFuzz testcase 5433108372127744 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
, Apr 19 2018Labels: Test-Predator-Auto-Components