An attempt to read access the GICD_ICPENDR<n> register (where n > 0)
which should be RAZ (as not supported) causes the guest data abort
due to incorrect end offset (GICD_ICPENDR) in the case range.
Fix that by using the proper end offset (GICD_ICPENDRN).
Fixes: a2b83f95bfa ("xen/arm: vgic: Properly emulate the full register")
Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com>
---
xen/arch/arm/vgic-v3.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/arm/vgic-v3.c b/xen/arch/arm/vgic-v3.c
index f20249f731..4369c55177 100644
--- a/xen/arch/arm/vgic-v3.c
+++ b/xen/arch/arm/vgic-v3.c
@@ -709,7 +709,7 @@ static int __vgic_v3_distr_common_mmio_read(const char
*name, struct vcpu *v,
/* Read the pending status of an IRQ via GICD/GICR is not supported */
case VRANGE32(GICD_ISPENDR, GICD_ISPENDRN):
- case VRANGE32(GICD_ICPENDR, GICD_ICPENDR):
+ case VRANGE32(GICD_ICPENDR, GICD_ICPENDRN):
goto read_as_zero;
/* Read the active status of an IRQ via GICD/GICR is not supported */
--
2.34.1
