ble_mesh: stack: Bugfix for oversized SegN as valid

pull/8934/head
wangjialiang 2022-03-24 17:20:16 +08:00
rodzic 69a3bdacb0
commit 7a34692e6f
2 zmienionych plików z 14 dodań i 0 usunięć

Wyświetl plik

@ -74,6 +74,7 @@
#define START_PAYLOAD_MAX 20
#define CONT_PAYLOAD_MAX 23
#define START_LAST_SEG_MAX 2
#define START_LAST_SEG(gpc) (gpc >> 2)
#define CONT_SEG_INDEX(gpc) (gpc >> 2)
@ -1563,6 +1564,12 @@ static void gen_prov_start(struct prov_rx *rx, struct net_buf_simple *buf)
return;
}
if (START_LAST_SEG(rx->gpc) > START_LAST_SEG_MAX) {
BT_ERR("Invalid SegN 0x%02x", START_LAST_SEG(rx->gpc));
prov_send_fail_msg(PROV_ERR_UNEXP_ERR);
return;
}
if (link.rx.buf->len > link.rx.buf->size) {
BT_ERR("Too large provisioning PDU (%u bytes)",
link.rx.buf->len);

Wyświetl plik

@ -74,6 +74,7 @@ _Static_assert(BLE_MESH_MAX_CONN >= CONFIG_BLE_MESH_PBG_SAME_TIME,
#define START_PAYLOAD_MAX 20
#define CONT_PAYLOAD_MAX 23
#define START_LAST_SEG_MAX 2
#define START_LAST_SEG(gpc) (gpc >> 2)
#define CONT_SEG_INDEX(gpc) (gpc >> 2)
@ -2980,6 +2981,12 @@ static void gen_prov_start(const uint8_t idx, struct prov_rx *rx, struct net_buf
return;
}
if (START_LAST_SEG(rx->gpc) > START_LAST_SEG_MAX) {
BT_ERR("Invalid SegN 0x%02x", START_LAST_SEG(rx->gpc));
close_link(idx, CLOSE_REASON_FAILED);
return;
}
if (link[idx].rx.buf->len > link[idx].rx.buf->size) {
BT_ERR("Too large provisioning PDU (%u bytes)",
link[idx].rx.buf->len);