thestig@, would you mind taking a look?


There was some chromium_jpeg_make_d_derived_tbl crash in issue 664864 previously.

ClusterFuzz has detected this issue as fixed in range 443057:443122.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5120602877984768

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  chromium_jpeg_make_d_derived_tbl
  start_pass_huff_decoder
  start_input_pass
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=400803:400900
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=443057:443122

Minimized Testcase (0.53 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97NWzZQCFpRGNTajXl0BcJKAbu_bwuiPhSCbtBuUsWh1EZAyK1wEFDhL18wHv9GFO8Ih_DjxWVUcQ0OoHa2RLAeInLlCzfy-IGgOYgL8bnPYi_FQbVr-iPnnHnEfab1p44Pqk_5TvvV6kyuLOtuwD4e1bd2bzC3KP9vu5j4Hi4_m7Tya6JuUgQf6GhTWiJ3JhvTtAgvp30WjmD2p6M8kybeylGdqd5vPOkSIs8RuJVM5Ph4BYfFXHTUMJg5ko_8-4MJRzInMcGhjMm8h97bi61zisdVu3lvR0xMChlx5jyBRnYlgmZjF6A5ngYKn8_VKUF6KazSWEiM3o49OYwkEGKkjb9k6ZC51Eh6adGRnBzehe4ebPU?testcase_id=5120602877984768

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 5120602877984768 is verified as fixed, so closing issue.

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

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