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Heap-use-after-free in fxcrt::UnownedPtr<CXFA_LayoutItem>::ProbeForLowSeverityLifetimeIssue |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5363653640716288 Fuzzer: afl_pdfium_xfa_fuzzer Job Type: afl_chrome_asan Crash Type: Heap-use-after-free READ 1 Crash Address: 0x60c00005cfc0 Crash State: fxcrt::UnownedPtr<CXFA_LayoutItem>::ProbeForLowSeverityLifetimeIssue CJX_Object::~CJX_Object CJX_PageSet::~CJX_PageSet Sanitizer: address (ASAN) Recommended Security Severity: High Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5363653640716288 Issue manually filed by: metzman See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Jan 11 2018
Not sure why this got refiled.
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Jan 13 2018
Detailed report: https://clusterfuzz.com/testcase?key=5363653640716288 Fuzzer: afl_pdfium_xfa_fuzzer Job Type: afl_chrome_asan Crash Type: Heap-use-after-free READ 1 Crash Address: 0x60c00005cfc0 Crash State: fxcrt::UnownedPtr<CXFA_LayoutItem>::ProbeForLowSeverityLifetimeIssue CJX_Object::~CJX_Object CJX_PageSet::~CJX_PageSet Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=518005:518055 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5363653640716288 See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Jan 16 2018
This is XFA which is not enabled on any branch of Chrome.
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Feb 15 2018
ClusterFuzz has detected this issue as fixed in range 536860:536893. Detailed report: https://clusterfuzz.com/testcase?key=5363653640716288 Fuzzer: afl_pdfium_xfa_fuzzer Job Type: afl_chrome_asan Crash Type: Heap-use-after-free READ 1 Crash Address: 0x60c00005cfc0 Crash State: fxcrt::UnownedPtr<CXFA_LayoutItem>::ProbeForLowSeverityLifetimeIssue CJX_Object::~CJX_Object CJX_PageSet::~CJX_PageSet Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=518005:518055 Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=536860:536893 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5363653640716288 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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May 25 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 elawrence@chromium.org
, Jan 11 2018