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fix(bt/bluedroid): added buffer length check for HID host data indication

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Jin Cheng
2026-06-12 18:32:39 +08:00
parent 9a6d04f65e
commit 129ce07ece
1 changed files with 5 additions and 0 deletions
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components/bt/host/bluedroid/stack/hid/hidh_conn.c
+5
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@@ -766,6 +766,11 @@ static void hidh_l2cif_data_ind (UINT16 l2cap_cid, BT_HDR *p_msg)
return; return;
} }
if (p_msg->len < 1) {
HIDH_TRACE_WARNING ("HID-Host Rcvd Empty L2CAP data");
osi_free (p_msg);
return;
}
ttype = HID_GET_TRANS_FROM_HDR(*p_data); ttype = HID_GET_TRANS_FROM_HDR(*p_data);
param = HID_GET_PARAM_FROM_HDR(*p_data); param = HID_GET_PARAM_FROM_HDR(*p_data);