As a defense, assert if the requested address is out of the card area.
Suggested-by: Peter Maydell <[email protected]>
Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
---
hw/sd/sd.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 871c30a67f..0b606e9054 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -539,6 +539,8 @@ static void sd_response_r7_make(SDState *sd, uint8_t
*response)
static inline uint64_t sd_addr_to_wpnum(uint64_t addr)
{
+ assert(addr < sd->size);
+
return addr >> (HWBLOCK_SHIFT + SECTOR_SHIFT + WPGROUP_SHIFT);
}
--
2.21.3
