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Issue 794918 link

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Issue metadata

Status: Duplicate
Merged: issue 793588
Owner:
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in v8::internal::CharacterRange::from

Project Member Reported by ClusterFuzz, Dec 14 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5985437415112704

Fuzzer: libFuzzer_v8_regexp_parser_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::CharacterRange::from
  v8::internal::TextNode::GetQuickCheckDetails
  v8::internal::TextNode::GetQuickCheckDetails
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=515946:515969

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5985437415112704

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 14 2017

Components: Blink>JavaScript>Runtime
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, Dec 14 2017

Labels: Test-Predator-Auto-Owner
Owner: erikcorry@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/04f7d484db22b1526afa5414c06eda443c5b4fad (RegExp: Add the ability to switch flags on and off within the regexp.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Cc: yangguo@chromium.org erikcorry@chromium.org
Owner: jgruber@chromium.org
Clusterfuzz is on a roll, but I'm going to give this one to Jacob since the last two were not related to the 04f7 commit.
Mergedinto: 793588
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Dec 19 2017

ClusterFuzz has detected this issue as fixed in range 524695:524706.

Detailed report: https://clusterfuzz.com/testcase?key=5985437415112704

Fuzzer: libFuzzer_v8_regexp_parser_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::CharacterRange::from
  v8::internal::TextNode::GetQuickCheckDetails
  v8::internal::TextNode::GetQuickCheckDetails
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=515946:515969
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=524695:524706

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5985437415112704

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.

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