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A comment on OpenMandriva, the first Clang-built Linux distribution. Parent comment

Re:OpenMandriva, the first Clang-built Linux distribution by andrekandre on Sunday June 16, 2019 @03:54PM (#20197539)
what’s the reason gcc wouldn’t support it?

[edit] ipad auto correct

[ Parent | on HN ]
Re:OpenMandriva, the first Clang-built Linux distribution by astrange on Sunday June 16, 2019 @07:53PM (#20198688)
Because zero is not a correct value for all variables, and picking a random behavior over no behavior breaks ubsan.

It also adds a data-dependency (zeroing out a stack buffer depends on the length of the buffer) which is insecure.

[ Parent | on HN ]