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Issue metadata

Status: Verified
Owner: ----
Closed: Jun 2017
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug



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Null-dereference READ in blink::Range::CheckExtractPrecondition

Project Member Reported by ClusterFuzz, Jun 6 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5893854321704960

Fuzzer: bj_broddelwerk
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::Range::CheckExtractPrecondition
  blink::Range::extractContents
  blink::V8Range::extractContentsMethodCallback
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=477230:477243

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5893854321704960


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jun 7 2017

Labels: OS-Windows OS-Mac
Project Member

Comment 2 by ClusterFuzz, Jun 8 2017

ClusterFuzz has detected this issue as fixed in range 477533:477550.

Detailed report: https://clusterfuzz.com/testcase?key=5893854321704960

Fuzzer: bj_broddelwerk
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::Range::CheckExtractPrecondition
  blink::Range::extractContents
  blink::V8Range::extractContentsMethodCallback
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=477230:477243
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=477533:477550

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5893854321704960


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 3 by ClusterFuzz, Jun 8 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5893854321704960 is verified as fixed, so closing issue.

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

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