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Use-after-poison in blink::LocalFileSystem::from |
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Issue descriptionDetailed report: https://cluster-fuzz.appspot.com/testcase?key=5433359633481728 Fuzzer: therealholden_worker Job Type: linux_asan_chrome_mp Platform Id: linux Crash Type: Use-after-poison READ 8 Crash Address: 0x7ec9137a5600 Crash State: blink::LocalFileSystem::from blink::WorkerGlobalScopeFileSystem::webkitRequestFileSystemSync blink::SharedWorkerGlobalScopePartialV8Internal::webkitRequestFileSystemSyncMeth Recommended Security Severity: High Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=421705:421761 Minimized Testcase (3.68 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95WCBp0uo82KatDtsIYhdHNBQaEbJLmnNOnjzrRD9dcL0l1-thPMSSKYLCKTuZryTBybp1nEk-m-CJk0h4aYcobrCmei-W6mmDrAXpJy8e2htn-c-cmu06ByrH2xw5WbVxIHuISFp001FtsxmeY2ciwjuQxgg?testcase_id=5433359633481728 Additional requirements: Requires HTTP Issue filed automatically. See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
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Sep 30 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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Sep 30 2016
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Sep 30 2016
keishi@: There is a use-after-poison regression, possibly related to one of your CLs that falls in the regression range: https://chromium.googlesource.com/chromium/src/+/62d4e2e8f5ca66516854cbdbd1402d344410ec75 Can you please have a look at this?
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Oct 3 2016
Issue 652091 has been merged into this issue.
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Oct 3 2016
Note that we're imminently promoting M55 to Beta and this bug is marked as a blocker for that. Please prioritize accordingly. Thanks!
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Oct 4 2016
A friendly reminder that M55 Beta launch is coming soon! Your bug is labelled as Beta ReleaseBlock, pls make sure to land the fix ASAP. Thank you.
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Oct 6 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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Oct 6 2016
This was fixed @ 423122 ( issue 591606 c#48) and is a revert of c#45 421731.
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Oct 6 2016
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Oct 16 2016
No reward for this one I'm afraid as it was discovered internally before the report.
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Oct 25 2016
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Jan 12 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
, Sep 30 2016