nuttxs opened a new pull request, #17000:
URL: https://github.com/apache/nuttx/pull/17000
## Summary
Support selecting stack overflow protection mechanisms of different
strengths according to requirements.
Introduce a configurable stack-protection level for the existing
CONFIG_STACK_CANARIES, instead of hard-coding -fstack-protector-all.
Add a new Kconfig choice STACK_CANARIES_LEVEL that offers four selectable
levels:
```
-fstack-protector
-fstack-protector-strong
-fstack-protector-all (default)
-fstack-protector-explicit
```
## Impact
New Feature/Change: Yes
User Impact: The default is still -fstack-protector-all
Build Impact: Add a new Kconfig STACK_CANARIES_LEVEL.
Hardware Impact: No
Security: No
Compatibility: Backward-compatible; no breaking changes.
## Testing
After modifying STACK_CANARIES_LEVEL, check whether the stack-protector
configuration matches during the compilation process for architectures such as
Xtensa or ARM64.
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