Findit did not provide any possible suspects.

CL: 
https://chromium.googlesource.com/chromium/src/+log/cd4f55690437f7c40bfa710586781ec316cc889e..6698ed7caa74c72258b7a54001c1bd361a4722c0?pretty=fuller

seeing some changes to PDFium fuzzer in 
https://chromium.googlesource.com/chromium/src/+/f28a3dba43c39a84ecdd9d1ca39028e5190d2200

rbpotter@, could you please check the issue and help.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/12cbf878e211324afdaf454623ef004d1aa82d41

commit 12cbf878e211324afdaf454623ef004d1aa82d41
Author: pdfium-deps-roller <pdfium-deps-roller@chromium.org>
Date: Tue Jan 24 03:35:01 2017

Roll src/third_party/pdfium/ 7a82a6294..35a89dde1 (1 commit).

https://pdfium.googlesource.com/pdfium.git/+log/7a82a6294a34..35a89dde1500

$ git log 7a82a6294..35a89dde1 --date=short --no-merges --format='%ad %ae %s'
2017-01-23 rbpotter Fix bug found by fuzzer in A85 encoder (bad shift).

BUG= 682550 

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls

TBR=dsinclair@chromium.org

Review-Url: https://codereview.chromium.org/2650913003
Cr-Commit-Position: refs/heads/master@{#445629}

[modify] https://crrev.com/12cbf878e211324afdaf454623ef004d1aa82d41/DEPS

ClusterFuzz has detected this issue as fixed in range 445461:445635.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4973980189720576

Fuzzer: libfuzzer_pdf_codec_a85_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  CCodec_BasicModule::A85Encode
  _start
  
Sanitizer: undefined (UBSAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=444281:444427
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=445461:445635

Minimized Testcase (0.81 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97i3meqSnMoS4SjJp6N_qzrua_kmYkpjLm7zwsy3nBSFEfpCYTHZVXr30vEGZawJyJmxtZ3lYiIYUQSd1R9-7cRDazVCRV1XOs1NkvZCEUClSLVBEwpIm5Mhq86PMZGa6eW-jsj5yJJWI19K2K1AI5DNNAP5x6UNrYzOZ1-u1eL6IQBxNBuW-bPEjNiewGUndOvkfbvBZd4vScpbMOLPvct0wK0A_3UP_6Xz661MPglH7mHMvG97mOMpCgwEman7eTVWEsfDoGMBPNIzjsGk1DzJ0KM58iWkwJ0BfOOANGm_3v22cGvT6hnbLm3iThfVThvNSm34zZU96zH726p8PMQweAQ19H9oDX_vLFpTSCyVQDPQD0?testcase_id=4973980189720576

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.

ClusterFuzz testcase 4973980189720576 is verified as fixed, so closing issue.

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