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Null-dereference READ in blink::FontCache::CrashWithFontInfo |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5417480647081984 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::FontCache::CrashWithFontInfo blink::FontFallbackIterator::Next blink::FontFallbackIterator::Next Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=523880:523906 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5417480647081984 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Apr 23 2018
Automatically applying components based on crash stacktrace and information from OWNERS files. If this is incorrect, please apply the Test-Predator-Wrong-Components label.
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Apr 24 2018
Unable to find actual suspect through code search and also observing no possible suspect CL under regression range, hence adding appropriate label and requesting someone from blink team to look in to this issue. Thanks!
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Apr 30 2018
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Apr 30 2018
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Jun 18 2018
ClusterFuzz has detected this issue as fixed in range 567946:567947. Detailed report: https://clusterfuzz.com/testcase?key=5417480647081984 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::FontCache::CrashWithFontInfo blink::FontFallbackIterator::Next blink::FontFallbackIterator::Next Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=523880:523906 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=567946:567947 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5417480647081984 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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Comment 1 by ClusterFuzz
, Apr 23 2018