OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16154
Crash type: Stack-buffer-overflow WRITE {*} Crash state: write_png_comment vips_slist_map2 vips_image_map
{ "severity": "HIGH", "introduced_range": "unknown:0f1e278dd97163de5890117abdc9707fecc27e9f", "fixed_range": "0f1e278dd97163de5890117abdc9707fecc27e9f:cfe0857ae102818d4ce5e9f4564af9d6bfb090da" }