From: Nick Owens Subject: [PATCH] riscv64: make isa size bigger and terminate To: tech@openbsd.org Cc: Nick Owens Date: Sun, 15 Jun 2025 00:21:35 -0700 the buffer is too short for some riscv ISA values, such as 'rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb'. --- sys/arch/riscv64/riscv64/cpu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/arch/riscv64/riscv64/cpu.c b/sys/arch/riscv64/riscv64/cpu.c index e8400d4eed3..9c71a4f9a4f 100644 --- a/sys/arch/riscv64/riscv64/cpu.c +++ b/sys/arch/riscv64/riscv64/cpu.c @@ -102,7 +102,7 @@ size_t thead_dcache_line_size; void cpu_identify(struct cpu_info *ci) { - char isa[32]; + char isa[64]; uint64_t marchid, mimpid; uint32_t mvendorid; const char *vendor_name = NULL; @@ -141,6 +141,7 @@ cpu_identify(struct cpu_info *ci) len = OF_getprop(ci->ci_node, "riscv,isa", isa, sizeof(isa)); if (len != -1) { + isa[len - 1] = 0; printf(" %s", isa); strlcpy(cpu_model, isa, sizeof(cpu_model)); } -- 2.49.0