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Issue metadata

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



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Stack-overflow in pdfium::internal::MakeUniqueResult<CXFA_FMToken>::Scalar pdfium::MakeUnique<CXFA

Project Member Reported by ClusterFuzz, Jun 23 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6239069758816256

Fuzzer: libFuzzer_pdf_fm2js_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffd4692be68
Crash State:
  pdfium::internal::MakeUniqueResult<CXFA_FMToken>::Scalar pdfium::MakeUnique<CXFA
  CXFA_FMLexer::Scan
  CXFA_FMLexer::NextToken
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=474915:474952

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6239069758816256


Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 19 2017

ClusterFuzz has detected this issue as fixed in range 487493:487571.

Detailed report: https://clusterfuzz.com/testcase?key=6239069758816256

Fuzzer: libFuzzer_pdf_fm2js_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffd4692be68
Crash State:
  pdfium::internal::MakeUniqueResult<CXFA_FMToken>::Scalar pdfium::MakeUnique<CXFA
  CXFA_FMLexer::Scan
  CXFA_FMLexer::NextToken
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=474915:474952
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=487493:487571

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6239069758816256


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, Jul 19 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6239069758816256 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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