Bastien Montagne faf59777f3 Improve Blender resilience to blendfile DNA data corruption.
This commit improves DNA parsing resilience to data corruption in two ways:
* Detect and abort on failure to allocate requested amount of memory.
* Detect multiple usages of the same `type_index` by different struct
  definitions.

The second part fixes the `dna_genfile.cc:1918:40.blend` case reported
in #137870.

Ported from blender/blender@456a07c5e6 (Pull Request:
https://projects.blender.org/blender/blender/pulls/139803)

Pull Request: https://projects.blender.org/blender/blender/pulls/140299
2025-06-13 10:32:06 +02:00
2024-08-06 14:13:55 +10:00

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