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Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/f7b526674131a74a43ba13394f1c4819cac9c2d2 ([Zucchini] imposed_ensemble_matcher Fuzzer).

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The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f45c2a25b3b9b774db04db8d4393727e6a6186f4

commit f45c2a25b3b9b774db04db8d4393727e6a6186f4
Author: Calder Kitagawa <ckitagawa@chromium.org>
Date: Wed Jul 04 15:38:05 2018

[Zucchini] Fix patch size check in fuzzer

The fuzzer found another pathological case of repeated ZTF regions that
causes the patch size check to be violated due to a large number of
headers. The solution should be to increase this upper bound or remove
it entirely. I've gone with the former but if it continues to cause
trouble it might be worth removing as it only finds pathological cases
so far.

Bug:  860070 
Change-Id: I276b51bc909ad0da46d9954aee9c98e03dc1973e
Reviewed-on: https://chromium-review.googlesource.com/1126164
Reviewed-by: Samuel Huang <huangs@chromium.org>
Commit-Queue: Calder Kitagawa <ckitagawa@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572581}
[modify] https://crrev.com/f45c2a25b3b9b774db04db8d4393727e6a6186f4/components/zucchini/fuzzers/imposed_ensemble_matcher_fuzzer.cc

ClusterFuzz has detected this issue as fixed in range 572580:572590.

Detailed report: https://clusterfuzz.com/testcase?key=5855535531032576

Fuzzer: libFuzzer_zucchini_imposed_ensemble_matcher_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  patch_size <= kMaxImageSize * 2 in imposed_ensemble_matcher_fuzzer.cc
  TestOneProtoInput
  imposed_ensemble_matcher_fuzzer.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=572200:572201
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=572580:572590

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5855535531032576

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.

ClusterFuzz testcase 5855535531032576 is verified as fixed, so closing issue as verified.

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