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Issue metadata

Status: Duplicate
Merged: issue 867902
Owner:
Closed: Jul 31
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: ----
Type: Bug-Security



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DCHECK failure in external_backing_store_bytes_[type] >= amount in spaces.cc

Project Member Reported by ClusterFuzz, Jul 31

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5683762944540672

Fuzzer: mbarbella_js_mutation
Job Type: mac_asan_d8_dbg
Platform Id: mac

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  external_backing_store_bytes_[type] >= amount in spaces.cc
  v8::internal::MemoryChunk::DecrementExternalBackingStoreBytes
  ProcessMovedExternalString
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_d8_dbg&range=54711:54712

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5683762944540672

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jul 31

Labels: OS-Linux
Project Member

Comment 2 by ClusterFuzz, Jul 31

Components: Blink>JavaScript>GC
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 3 by ClusterFuzz, Jul 31

Cc: rfbpb@google.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Reland^2 "Added External Strings to external memory accounting". by rfbpb@google.com - https://chromium.googlesource.com/v8/v8/+/82632ed5e47e08036365cb568ed3f9db79a567d1

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Cc: mlippautz@chromium.org
Cc: -mlippautz@chromium.org
Mergedinto: 867902
Owner: mlippautz@chromium.org
Status: Duplicate (was: Untriaged)
Project Member

Comment 6 by ClusterFuzz, Aug 1

ClusterFuzz has detected this issue as fixed in range 54721:54722.

Detailed report: https://clusterfuzz.com/testcase?key=5683762944540672

Fuzzer: mbarbella_js_mutation
Job Type: mac_asan_d8_dbg
Platform Id: mac

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  external_backing_store_bytes_[type] >= amount in spaces.cc
  v8::internal::MemoryChunk::DecrementExternalBackingStoreBytes
  ProcessMovedExternalString
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_d8_dbg&range=54711:54712
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_d8_dbg&range=54721:54722

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5683762944540672

See https://github.com/google/clusterfuzz-tools 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 7 by sheriffbot@chromium.org, Nov 6

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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