miri does not detect reading undefined bytes if simple unions are involved #51330

Activity

1. oli-obk

   added

   I-unsoundIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/SoundnessIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness

   C-bugCategory: This is a bug.Category: This is a bug.

   A-const-evalArea: Constant evaluation, covers all const contexts (static, const fn, ...)Area: Constant evaluation, covers all const contexts (static, const fn, ...)

   and removed

   I-unsoundIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/SoundnessIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness

   on Jun 3, 2018
2. oli-obk commented on Jun 3, 2018

   

   oli-obk

   on Jun 3, 2018

   ContributorAuthor

   More actions

   not really unsound, because you already were doing UB via unsafe code. Just miri should be better at detecting it
3. bors

   added 3 commits that reference this issue on Jul 19, 2018

   Auto merge of #51361 - oli-obk:sanity_check_consts, r=<try>

   ...

   This issue will close once commit 4abdab6 is merged into the 'main' branch.

   4abdab6
4. Mark-Simulacrum

   added a commit that references this issue on Jul 27, 2018

   Rollup merge of rust-lang#51361 - oli-obk:sanity_check_consts, r=niko…

   ...

   This issue will close once commit f869652 is merged into the 'main' branch.

   f869652
5. bors

   closed this as completedin #51361on Jul 29, 2018