Ancestors

Written by comex on 2025-01-22 at 02:06

“Clang will now more aggressively use undefined behavior on pointer addition overflow for optimization purposes.” https://github.com/llvm/llvm-project/commit/c2979c58d49b

A whole lot of non-exploitable bugs may become exploitable pretty soon.

=> More informations about this toot | More toots from comex@mas.to

Toot

Written by John Regehr on 2025-01-22 at 23:47

@comex but for real, how many applications would suffer an unacceptable performance degradation if the pointer overflow sanitizer was left turned on?

=> More informations about this toot | More toots from regehr@mastodon.social

Descendants