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

CL at https://pdfium-review.googlesource.com/6079

 Issue 726973  has been merged into this issue.

ClusterFuzz has detected this issue as fixed in range 475708:475762.

Detailed report: https://clusterfuzz.com/testcase?key=5064354285486080

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x60a000001480
Crash State:
  CFX_UnownedPtr<CCodec_TiffContext>::Probe
  CFX_UnownedPtr<CCodec_TiffContext>::~CFX_UnownedPtr
  CCodec_ProgressiveDecoder::~CCodec_ProgressiveDecoder
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=474949:474979
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=475708:475762

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5064354285486080


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.

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