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Issue metadata

Status: Verified
Owner:
Closed: Dec 21
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference WRITE in tcmalloc::Abort

Project Member Reported by ClusterFuzz, Dec 12

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5067516004794368

Fuzzer: metzman_graphicsfuzz_crash_fuzzer
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000039
Crash State:
  tcmalloc::Abort
  tcmalloc::Log
  do_malloc
  
Sanitizer: undefined (UBSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5067516004794368

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 12

Components: Internals>Core
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: kkaluri@chromium.org
Labels: M-73 Test-Predator-Wrong
Owner: wfh@chromium.org
Status: Assigned (was: Untriaged)
Predator and CL could not provide any possible suspects.

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

Suspect CL: https://chromium.googlesource.com/chromium/src/+/32f4f17b0e36495c371498e1168b736fce87f289

kaiwang@ -- 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!
***Correction***

Unable to assign to kaiwang@, hence assigned to reviewer.

Comment 4 Deleted

Cc: paulthom...@google.com
Project Member

Comment 6 by ClusterFuzz, Dec 21

ClusterFuzz has detected this issue as fixed in range 618343:618353.

Detailed report: https://clusterfuzz.com/testcase?key=5067516004794368

Fuzzer: metzman_graphicsfuzz_crash_fuzzer
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000039
Crash State:
  tcmalloc::Abort
  tcmalloc::Log
  do_malloc
  
Sanitizer: undefined (UBSAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=618343:618353

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5067516004794368

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

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 ClusterFuzz, Dec 21

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5067516004794368 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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