Heap-use-after-free in base::sequence_manager::ThreadManager::PostDelayedTask |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4739826589630464 Fuzzer: libFuzzer_sequence_manager_fuzzer Job Type: libfuzzer_chrome_asan Platform Id: linux Crash Type: Heap-use-after-free READ 8 Crash Address: 0x60b00002c460 Crash State: base::sequence_manager::ThreadManager::PostDelayedTask base::sequence_manager::ThreadManager::ExecuteThread base::sequence_manager::ThreadPoolManager::StartThread Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=586733:586756 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4739826589630464 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Sep 4
Automatically adding ccs based on suspected regression changelists: SQM Fuzzer: Add support for cross-thread posting. by farahcharab@google.com - https://chromium.googlesource.com/chromium/src/+/f67097b4acac3a85de15f259ee38295da301802e If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
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Sep 4
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Sep 4
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it. If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Sep 4
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Sep 5
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Sep 7
Probably the same bug as issue 879847 .
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Sep 11
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Sep 18
farahcharab: Uh oh! This issue still open and hasn't been updated in the last 14 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers? If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one? If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started. Thanks for your time! To disable nags, add the Disable-Nags label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Sep 18
This is a bug in the fuzzer not chromium, hence removing RB-Stable.
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Sep 18
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it. If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Sep 18
Bad bot...
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Sep 20
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Sep 26
ClusterFuzz has detected this issue as fixed in range 593914:593915. Detailed report: https://clusterfuzz.com/testcase?key=4739826589630464 Fuzzer: libFuzzer_sequence_manager_fuzzer Job Type: libfuzzer_chrome_asan Platform Id: linux Crash Type: Heap-use-after-free READ 8 Crash Address: 0x60b00002c460 Crash State: base::sequence_manager::ThreadManager::PostDelayedTask base::sequence_manager::ThreadManager::ExecuteThread base::sequence_manager::ThreadPoolManager::StartThread Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=586733:586756 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=593914:593915 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4739826589630464 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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Sep 26
ClusterFuzz testcase 4739826589630464 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
, Sep 4Labels: Test-Predator-Auto-Components