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Issue metadata

Status: Duplicate
Owner:
Closed: Nov 21
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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CHECK failure: !first_party_url_.is_empty() in appcache_host.cc

Project Member Reported by ClusterFuzz, Nov 21

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5487589102190592

Fuzzer: libFuzzer_appcache_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !first_party_url_.is_empty() in appcache_host.cc
  content::AppCacheHost::SelectCache
  content::AppCacheBackendImpl::SelectCache
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=605707:605715

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5487589102190592

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Nov 21

Components: Blink>Storage>AppCache
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Nov 21

Cc: mmoroz@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 3 by ClusterFuzz, Nov 21

Labels: Test-Predator-Auto-Owner
Owner: mmoroz@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/f83007304ba201e3a0ee9eaf198d369aa48f6090 (Add appcache_fuzzer).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Cc: -mmoroz@chromium.org jsb...@chromium.org
Owner: pwnall@chromium.org
Mergedinto: 843797
Status: Duplicate (was: Assigned)
FWIW, the DCHECK seems to be due to bad logic. The bug this was duplicated to has a repro that doesn't require any sanitizer.
Project Member

Comment 7 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 5487589102190592 appears to be flaky, updating reproducibility label.

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