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Use-of-uninitialized-value in _xcb_conn_wait |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5107981868597248 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_msan_chrome Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: _xcb_conn_wait xcb_writev _XSend Sanitizer: memory (MSAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=582653:582655 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5107981868597248 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Aug 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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Aug 18
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Aug 19
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Aug 19
sugoi: Looks like this might be related to crrev.com/c/1128207 which is in the regression range, can you take a look? Thanks.
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Aug 20
This test is ran using "--use-gl=osmesa". It should be switched to using "--use-gl=swiftshader". I don't know where this command line argument comes from. CCing inferno@ who might know where the command line argument comes from.
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Aug 31
Testcase will persist having --use-gl=osmesa, so marking WontFix to close
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Sep 7
ClusterFuzz testcase 5107981868597248 is still reproducing on tip-of-tree build (trunk). If this testcase was not reproducible locally or unworkable, ignore this notification and we will file another bug soon with hopefully a better and workable testcase. Otherwise, if this is not intended to be fixed (e.g. this is an intentional crash), please add ClusterFuzz-Ignore label to prevent future bug filing with similar crash stacktrace.
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Dec 8
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
, Aug 18