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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Jul 9
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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CHECK failure: idx < target_map_item.size in disassembler_dex.cc

Project Member Reported by ClusterFuzz, Jul 8

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4530348160188416

Fuzzer: libFuzzer_zucchini_disassembler_dex_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  idx < target_map_item.size in disassembler_dex.cc
  void zucchini::WriteTargetIndex<unsigned int>
  void base::internal::FunctorTraits<void
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=572202:572204

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4530348160188416

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 8

Components: Internals>Core Internals>Installer>Diff
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, Jul 8

Cc: ckitagawa@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, Jul 8

Labels: Test-Predator-Auto-Owner
Owner: ckitagawa@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/c2a778621cbcd812e2687269ba3f10132a31df12 ([Zucchini] Add dissassembler_dex 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.
Status: Fixed (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Jul 10

ClusterFuzz has detected this issue as fixed in range 573390:573394.

Detailed report: https://clusterfuzz.com/testcase?key=4530348160188416

Fuzzer: libFuzzer_zucchini_disassembler_dex_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  idx < target_map_item.size in disassembler_dex.cc
  void zucchini::WriteTargetIndex<unsigned int>
  void base::internal::FunctorTraits<void
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=572202:572204
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=573390:573394

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4530348160188416

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.
Project Member

Comment 6 by ClusterFuzz, Jul 10

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 4530348160188416 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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