This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

This is the unowned pointer probe which we added to identify existing issues in the code base.

Tom is OOO for a while.

ochang@, do you know about this unowned pointer probe?

I'll take care of it.

Maybe a variation of  bug 729041 .

ClusterFuzz has detected this issue as fixed in range 479057:479094.

Detailed report: https://clusterfuzz.com/testcase?key=5172352563544064

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x61300000b9c0
Crash State:
  CPWL_Wnd::Destroy
  CFFL_FormFiller::DestroyWindows
  CFFL_TextField::~CFFL_TextField
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=476154:476189
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=479057:479094

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5172352563544064


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot