Raise SIGSEGV instead of SIGPROT for hybrid#2145

Draft

bsdjhb wants to merge 3 commits intoCTSRD-CHERI:devfrom bsdjhb:hybrid_SIGPROT

+147-2

Commits on Jul 9, 2024

cheribsdtest: Test signal for invalid memory accesses in hybrid
bsdjhb
committed
arm64: Raise SIGSEGV for bounds violations outside of UVA for hybrid
bsdjhb
committed
riscv: Raise SIGSEGV for bounds violations against PCC/DDC in hybrid
bsdjhb
committed