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Issue metadata

Status: Verified
Owner: ----
Closed: Aug 2017
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in v8::base::Relaxed_Load

Project Member Reported by ClusterFuzz, Aug 14 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5754492271460352

Fuzzer: libFuzzer_pdfium_xfa_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::base::Relaxed_Load
  v8::internal::HeapObject::map_word
  v8::internal::HeapObject::map
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=494012:494019

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5754492271460352

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 15 2017

ClusterFuzz has detected this issue as fixed in range 494019:494023.

Detailed report: https://clusterfuzz.com/testcase?key=5754492271460352

Fuzzer: libFuzzer_pdfium_xfa_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::base::Relaxed_Load
  v8::internal::HeapObject::map_word
  v8::internal::HeapObject::map
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=494012:494019
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=494019:494023

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5754492271460352

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.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 2 by ClusterFuzz, Aug 15 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5754492271460352 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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