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Issue metadata

Status: Verified
Owner:
Closed: Jun 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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CHECK failure: size > 0U in aligned_memory.cc

Project Member Reported by ClusterFuzz, May 27 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5690056631910400

Fuzzer: libFuzzer_paint_op_buffer_eq_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  size > 0U in aligned_memory.cc
  base::AlignedAlloc
  paint_op_buffer_eq_fuzzer.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=559165:559188

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5690056631910400

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 27 2018

Components: Internals>Compositing 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.
Project Member

Comment 2 by ClusterFuzz, May 27 2018

Cc: enne@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 3 by ClusterFuzz, May 27 2018

Labels: Test-Predator-Auto-Owner
Owner: khushals...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/67c8c7456c0c691da8802a0361486ac5e2187fbc (cc: Fix a bunch of scaling issues with oop raster.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 4 by ClusterFuzz, Jun 19 2018

ClusterFuzz has detected this issue as fixed in range 568210:568233.

Detailed report: https://clusterfuzz.com/testcase?key=5690056631910400

Fuzzer: libFuzzer_paint_op_buffer_eq_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  size > 0U in aligned_memory.cc
  base::AlignedAlloc
  paint_op_buffer_eq_fuzzer.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=559165:559188
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=568210:568233

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5690056631910400

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 5 by ClusterFuzz, Jun 19 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5690056631910400 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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