fix: guard against null struct_def in IsStruct/Deserialize (fixes #9144)#9148

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Ashutosh0x:fix/segv-deserialize-null-structdef

Commits on Jun 1, 2026

Fix heap buffer overflow in StructDef::Deserialize
Ashutosh0x
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Commits on Jun 3, 2026

fix: add buffer verification in GenTextFile to prevent OOB heap reads
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Commits on Jun 21, 2026

fix: guard against null struct_def in IsStruct/Deserialize (fixes #9144)
Ashutosh0x
committed