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Bad-cast to blink::LayoutObject from invalid vptr;blink::AXLayoutObject::GetDocument;blink::AXObjectCacheImpl::PostPlatformNotification |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5008410662928384 Fuzzer: inferno_twister_c Job Type: linux_ubsan_vptr_content_shell_drt Platform Id: linux Crash Type: Bad-cast Crash Address: 0x100fb282c0c8 Crash State: Bad-cast to blink::LayoutObject from invalid vptr blink::AXLayoutObject::GetDocument blink::AXObjectCacheImpl::PostPlatformNotification Sanitizer: undefined (UBSAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=502126:502152 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5008410662928384 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Sep 28 2017
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 28 2017
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Sep 29 2017
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Oct 25 2017
ClusterFuzz has detected this issue as fixed in range 511210:511245. Detailed report: https://clusterfuzz.com/testcase?key=5008410662928384 Fuzzer: inferno_twister_c Job Type: linux_ubsan_vptr_content_shell_drt Platform Id: linux Crash Type: Bad-cast Crash Address: 0x100fb282c0c8 Crash State: Bad-cast to blink::LayoutObject from invalid vptr blink::AXLayoutObject::GetDocument blink::AXObjectCacheImpl::PostPlatformNotification Sanitizer: undefined (UBSAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=502126:502152 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=511210:511245 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5008410662928384 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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Nov 3 2017
ClusterFuzz has detected this issue as fixed in range 511210:511245. Detailed report: https://clusterfuzz.com/testcase?key=5008410662928384 Fuzzer: inferno_twister_c Job Type: linux_ubsan_vptr_content_shell_drt Platform Id: linux Crash Type: Bad-cast Crash Address: 0x100fb282c0c8 Crash State: Bad-cast to blink::LayoutObject from invalid vptr blink::AXLayoutObject::GetDocument blink::AXObjectCacheImpl::PostPlatformNotification Sanitizer: undefined (UBSAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=502126:502152 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=511210:511245 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5008410662928384 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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Feb 8 2018
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
, Sep 28 2017