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photocraft/crates/psd/tests
Valentin KleinandClaude Opus 5.5 fd351918e5 PSD: cap the layer tree for psd_to_document; layered TIFF checks group depth (#2940) (#2975)
The file-open path rejects PSDs nested past MAX_GROUP_DEPTH before
conversion, but the public psd_to_document built file.layer_tree() to the
file's full depth (~16000 levels) before Ctx::build capped it, and layered
TIFF reached it with no preflight at all.

- photocraft-psd: PsdFile::layer_tree_max_depth(n) builds the tree
  iteratively and drops the children of groups nested n deep, so walking
  or dropping it recursively is bounded. layer_tree() is the uncapped case.
- psd_to_document uses it with MAX_GROUP_DEPTH, the same cap Ctx::build
  and apply_link_groups apply, so imports are unchanged.
- Layered TIFF rejects nesting past the cap with the same error as a PSD
  (shared psd_import::check_group_depth).

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-11 11:20:32 -04:00
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