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-rw-r--r--hw/sd/ssi-sd.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c
index 3273c8a31f..b012e57f64 100644
--- a/hw/sd/ssi-sd.c
+++ b/hw/sd/ssi-sd.c
@@ -230,8 +230,17 @@ static int ssi_sd_load(QEMUFile *f, void *opaque, int version_id)
for (i = 0; i < 5; i++)
s->response[i] = qemu_get_be32(f);
s->arglen = qemu_get_be32(f);
+ if (s->mode == SSI_SD_CMDARG &&
+ (s->arglen < 0 || s->arglen >= ARRAY_SIZE(s->cmdarg))) {
+ return -EINVAL;
+ }
s->response_pos = qemu_get_be32(f);
s->stopping = qemu_get_be32(f);
+ if (s->mode == SSI_SD_RESPONSE &&
+ (s->response_pos < 0 || s->response_pos >= ARRAY_SIZE(s->response) ||
+ (!s->stopping && s->arglen > ARRAY_SIZE(s->response)))) {
+ return -EINVAL;
+ }
ss->cs = qemu_get_be32(f);