Timeout in hunspell_fuzzer |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5677744943005696 Fuzzer: libFuzzer_hunspell_fuzzer Job Type: libfuzzer_chrome_asan_debug Platform Id: linux Crash Type: Timeout (exceeds 25 secs) Crash Address: Crash State: hunspell_fuzzer Sanitizer: address (ASAN) Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5677744943005696 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information. Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. We will auto-close the bug if the crash is not seen for 14 days.
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Sep 21 2017
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Sep 21 2017
Similar to issue 767331 - I don't think the input (unminimized test case) is valid.
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Sep 22 2017
Hm, this is not chrome but hunspell fuzzer - so the input could be valid. Routing to spellcheck.
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Sep 22 2017
Fix for comment 3 - I intended to mention issue 767341 .
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Oct 4 2017
krb@, can you please see if this issue is similar to https://bugs.chromium.org/p/chromium/issues/detail?id=750253 ? Thank you!
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Oct 5 2017
The input that this testcase is producing is 294 utf16 chars long, so yes, I'd say it was the same issue - too long input.
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Oct 5 2017
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Oct 16 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/8d8f80ec0d9bd3d5dfbb1e6d26a5b67971a3908f commit 8d8f80ec0d9bd3d5dfbb1e6d26a5b67971a3908f Author: Kevin Bailey <krb@chromium.org> Date: Mon Oct 16 16:49:29 2017 [spellcheck] Reduce max UTF word len Spellcheck has no problem with long words, but Suggesting has a huge problem with them. Max UTF word is defined to be 3x max ASCII word. Let's make it 2x to be closer to non-extended UTF16 chars. Bug: 767334 Change-Id: Ia5dae01b1efe91ede23ff91d8a22f4a820f65630 Reviewed-on: https://chromium-review.googlesource.com/702640 Reviewed-by: Rachel Blum <groby@chromium.org> Commit-Queue: Kevin Bailey <krb@chromium.org> Cr-Commit-Position: refs/heads/master@{#509078} [modify] https://crrev.com/8d8f80ec0d9bd3d5dfbb1e6d26a5b67971a3908f/third_party/hunspell/google.patch [modify] https://crrev.com/8d8f80ec0d9bd3d5dfbb1e6d26a5b67971a3908f/third_party/hunspell/src/hunspell/hunspell.cxx
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Apr 24 2018
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Comment 1 by kkaluri@chromium.org
, Sep 21 2017Components: Blink
Labels: Test-Predator-Wrong CF-NeedsTriage