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Bounds checking bounds-safe interfaces in unchecked scopes #1166

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secure-sw-dev-bot opened this issue Jan 17, 2022 · 0 comments
Closed

Bounds checking bounds-safe interfaces in unchecked scopes #1166

secure-sw-dev-bot opened this issue Jan 17, 2022 · 0 comments

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This issue was copied from checkedc/checkedc-clang#1169

Fixes #1158

This PR updates the bounds checking behavior for lvalue expressions with bounds-safe interfaces in unchecked scopes.

If:

  1. A statement S is in an unchecked scope, and:
  2. An lvalue expression e has unchecked pointer type (its bounds were declared using a bounds-safe interface), and:
  3. S does not contain an assignment e = e1 where e1 is a checked pointer, then:

The bounds of e are not validated after checking S.
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