diff options
| -rw-r--r-- | hw/sd/ssi-sd.c | 9 |
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); |