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Issue metadata

Status: Duplicate
Merged: issue 806200
Owner:
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security



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DCHECK failure in !spread_pos.IsValid() in parser-base.h

Project Member Reported by ClusterFuzz, Jan 30 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5071314713575424

Fuzzer: libFuzzer_v8_regexp_builtins_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  !spread_pos.IsValid() in parser-base.h
  v8::internal::ParserBase<v8::internal::PreParser>::ParseV8Intrinsic
  v8::internal::ParserBase<v8::internal::PreParser>::ParsePrimaryExpression
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=531461:531791

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5071314713575424

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 30 2018

Components: Blink>JavaScript>Parser
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, Jan 30 2018

Labels: Test-Predator-Auto-Owner
Owner: leszeks@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/d7fda25256fd3e1e37191eaf17080b447e708993 ([ignition] Move suspend_id assignment to bytecode generation).

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.
Mergedinto: 806200
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Jan 30 2018

ClusterFuzz has detected this issue as fixed in range 532428:532438.

Detailed report: https://clusterfuzz.com/testcase?key=5071314713575424

Fuzzer: libFuzzer_v8_regexp_builtins_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  !spread_pos.IsValid() in parser-base.h
  v8::internal::ParserBase<v8::internal::PreParser>::ParseV8Intrinsic
  v8::internal::ParserBase<v8::internal::PreParser>::ParsePrimaryExpression
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=531461:531791
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=532428:532438

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5071314713575424

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 5 by sheriffbot@chromium.org, May 8 2018

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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