Test Predator has given the following results:

[libfuzzer] hiding custom mutator handling in MutationDispatcher. by aizatsky
[libfuzzer] prune_corpus option for disabling pruning during the load. by aizatsky

@aizatsky -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.

Thank You.

Reassigning from inactive owner to owner of  bug 761943 .

I think this is fixed, but the progression task keeps getting stuck.

ClusterFuzz has detected this issue as fixed in range 554444:554506.

Detailed report: https://clusterfuzz.com/testcase?key=5554907703934976

Fuzzer: libFuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Out-of-memory (exceeds 2048 MB)
Crash Address: 
Crash State:
  pdf_codec_tiff_fuzzer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=398287:399171
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=554444:554506

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5554907703934976

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

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

ClusterFuzz testcase 5554907703934976 is verified as fixed, so closing issue as verified.

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

Issue 879453 has been merged into this issue.

ClusterFuzz testcase 4613352077393920 is still reproducing on tip-of-tree build (trunk).

Please re-test your fix against this testcase and if the fix was incorrect or incomplete, please re-open the bug. Otherwise, ignore this notification and add ClusterFuzz-Wrong label.

Reopened bug 879453, it's not a dupe of this. Comment #9 is about it.