Zig: Buffer Overflow / Stack Canary

[adontz]

https://en.wikipedia.org/wiki/Buffer_overflow_protection#Canaries

Just curious what is the current status / future plans?

[Sobeston]

I know LLVM has SafeStack. No idea if it's enabled.

[LemonBoy]

We have stack probes on x86/x64 for both libc and stand-alone builds. Stack protection for libc-less targets is tracked in #276, enabling it requires a few lines of code and a decision on whether the TLS should always be allocated or not.

[andrewrk]

Stack overflow detection is enabled by default in safe build modes.

It's also planned for zig to have safe recursion (#1006) and in general to have a compile-time known stack upper bound (#157).