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Crash in CFX_DIBitmap::~CFX_DIBitmap |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4823682938306560 Fuzzer: tokenfuzz_pdf_curated Job Type: linux_tsan_chrome_mp Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x7efd7c6232fc Crash State: CFX_DIBitmap::~CFX_DIBitmap FPDFBitmap_Destroy chrome_pdf::PDFiumEngine::PluginSizeUpdated Sanitizer: thread (TSAN) Recommended Security Severity: Low Regressed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=533163:533165 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4823682938306560 Additional requirements: Requires Gestures Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Feb 2 2018
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Feb 2 2018
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Feb 2 2018
This crash can be reproduced, but it's flaky and I've been getting it only ~25% of tries using the clusterfuzz tool.
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Feb 14 2018
Medium severity makes more sense here. Adding some more pdfium folks here.
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Feb 14 2018
This is the Unowned ptr, low severity crash. It only happens on the SAN builds, and lets us know if there are lifetime issues.
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Feb 14 2018
See also https://pdfium-review.googlesource.com/c/pdfium/+/21770 , but all kidding aside, Dan you have my blessing to cobble up a CL that changes the name to ProbeForSecuritySeverityLowLifetimeIssue if you'd like.
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Feb 14 2018
To be fair, this one is a bit weird in that it doesn't say ProbeForSeverityLowLifetimeIssue. You have to follow the clusterfuzz link to the unowned_ptr and see it's in that chunk of code.
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May 24 2018
ClusterFuzz testcase 4823682938306560 is flaky and no longer crashes, so closing issue. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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Aug 30
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 ClusterFuzz
, Feb 2 2018Labels: Test-Predator-Auto-Components