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Issue metadata

Status: Verified
Owner:
Closed: Aug 16
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug-Regression



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Null-dereference READ in pthread_key_init_np

Project Member Reported by ClusterFuzz, Mar 31 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6168043009605632

Fuzzer: libFuzzer_content_security_policy_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  pthread_key_init_np
  blink::ThreadState::Current
  unsigned char* blink::ThreadHeap::Allocate<blink::ContentSecurityPolicy>
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=547202:547312

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6168043009605632

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Mar 31 2018

Components: Blink>Internals Blink>MemoryAllocator>GarbageCollection
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.
Cc: brajkumar@chromium.org
Labels: -Type-Bug M-67 Test-Predator-Wrong Type-Bug-Regression
Owner: keishi@chromium.org
Status: Assigned (was: Untriaged)
> Unable to find actual suspect through code search and also observing no related changes under regression range.

> By comparing the stack trace of this issue, it looks similar to  bug 754120 , hence assigning to the same owner for more updates.

> keishi@ Could you please take a look in to this issue?

Thanks!
Project Member

Comment 3 by ClusterFuzz, Aug 16

ClusterFuzz has detected this issue as fixed in range 583266:583305.

Detailed report: https://clusterfuzz.com/testcase?key=6168043009605632

Fuzzer: libFuzzer_content_security_policy_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  pthread_key_init_np
  blink::ThreadState::Current
  unsigned char* blink::ThreadHeap::Allocate<blink::ContentSecurityPolicy>
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=547202:547312
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=583266:583305

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6168043009605632

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 4 by ClusterFuzz, Aug 16

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6168043009605632 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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