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Issue 918561 link

Starred by 3 users
Status: Assigned
Owner:
fdoray@chromium.org
Cc:
kkaluri@chromium.org
mac-bugs-priority@chromium.org
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Null-dereference READ in google::protobuf::internal::RepeatedPtrFieldBase::InternalExtend

Project Member Reported by ClusterFuzz, Jan 2 
Detailed report: https://clusterfuzz.com/testcase?key=5656032126435328

Fuzzer: inferno_twister_c
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000822
Crash State:
  google::protobuf::internal::RepeatedPtrFieldBase::InternalExtend
  metrics::CallStackProfileBuilder::OnSampleCompleted
  base::StackSamplingProfiler::SamplingThread::RecordSampleTask
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5656032126435328

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

Comment 1 by kkaluri@chromium.org, Jan 8

Cc: kkaluri@chromium.org chengx@chromium.org
Labels: M-73 Test-Predator-Wrong
Owner: fdoray@chromium.org
Status: Assigned (was: Untriaged)
Predator and CL could not provide any possible suspects.

Using Code Search for the file, "call_stack_profile_builder.cc" suspecting the below Cl might have caused this issue

Suspect CL: https://chromium.googlesource.com/chromium/src/+/b2e858e59f4f4a055669adf99b5e94983ba69850

Since author has not visited crbug recently, assigning it to reviewer
fdoray@ -- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Thanks!

Comment 2 by chengx@chromium.org, Jan 11

Cc: -chengx@chromium.org
►

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