OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6837
Crash type: Use-of-uninitialized-value Crash state: fz_keep_imp pdf_copy_pattern_gstate pdf_show_pattern
{ "severity": "MEDIUM", "introduced_range": "9086386263154498dcb18c96f1e1630903b21a3c:d9bc8c6f7fb2e3ec7035bebaaee0edcf59287705", "fixed_range": "5606857245ed81253a4e06bed73eaa813e684070:04c37454b9ef5a0576c3dd34adc7426450bf18e7" }