From 064357041d64331e3dbc18629d07abf88ce0f6bb Mon Sep 17 00:00:00 2001 From: Xiaojuan Yang Date: Fri, 15 Jul 2022 14:07:40 +0800 Subject: target/loongarch/op_helper: Fix coverity cond_at_most error The boundary size of cpucfg array should be 0 to ARRAY_SIZE(cpucfg)-1. So, using index bigger than max boundary to access cpucfg[] must be forbidden. Fix coverity CID: 1489760 Signed-off-by: Xiaojuan Yang Reviewed-by: Richard Henderson Message-Id: <20220715060740.1500628-6-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson --- target/loongarch/op_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'target') diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c index 4b429b6699..568c071601 100644 --- a/target/loongarch/op_helper.c +++ b/target/loongarch/op_helper.c @@ -81,7 +81,7 @@ target_ulong helper_crc32c(target_ulong val, target_ulong m, uint64_t sz) target_ulong helper_cpucfg(CPULoongArchState *env, target_ulong rj) { - return rj > 21 ? 0 : env->cpucfg[rj]; + return rj >= ARRAY_SIZE(env->cpucfg) ? 0 : env->cpucfg[rj]; } uint64_t helper_rdtime_d(CPULoongArchState *env) -- cgit v1.2.3