New issue
Advanced search Search tips

Issue 723723 link

Starred by 1 user

Issue metadata

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



Sign in to add a comment

Null-dereference READ in CXFA_FMRelationalExpression::ToJavaScript

Project Member Reported by ClusterFuzz, May 17 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5821314119237632

Fuzzer: afl_pdf_fm2js_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  CXFA_FMRelationalExpression::ToJavaScript
  CXFA_FMAssignExpression::ToImpliedReturnJS
  CXFA_FMExpExpression::ToImpliedReturnJS
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=460921:460979

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5821314119237632


Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 17 2017

ClusterFuzz has detected this issue as fixed in range 472292:472325.

Detailed report: https://clusterfuzz.com/testcase?key=5821314119237632

Fuzzer: afl_pdf_fm2js_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  CXFA_FMRelationalExpression::ToJavaScript
  CXFA_FMAssignExpression::ToImpliedReturnJS
  CXFA_FMExpExpression::ToImpliedReturnJS
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=460921:460979
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=472292:472325

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5821314119237632


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, May 17 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5821314119237632 is verified as fixed, so closing issue.

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

Sign in to add a comment