Report from smatch:
target-arm/helper.c:651 arm946_prbs_read(6) error:
buffer overflow 'env->cp15.c6_region' 8 <= 8
target-arm/helper.c:661 arm946_prbs_write(6) error:
buffer overflow 'env->cp15.c6_region' 8 <= 8
c7_region is an array with 8 elements, so the index must be less than 8.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
static int arm946_prbs_read(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t *value)
{
- if (ri->crm > 8) {
+ if (ri->crm >= 8) {
return EXCP_UDEF;
}
*value = env->cp15.c6_region[ri->crm];
static int arm946_prbs_write(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t value)
{
- if (ri->crm > 8) {
+ if (ri->crm >= 8) {
return EXCP_UDEF;
}
env->cp15.c6_region[ri->crm] = value;