From e78975fcdae463fc2af21f944e90f305a922cbd5 Mon Sep 17 00:00:00 2001 From: Alexei Avshalom Lazar Date: Tue, 10 Sep 2019 16:46:31 +0300 Subject: [PATCH] wil6210: verify cid value is valid cid value is not being verified in wmi_evt_delba(), verification is added. Signed-off-by: Alexei Avshalom Lazar Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/wmi.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 73fe9bf7ab40..88d9e5a874a3 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -1332,6 +1332,12 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) cid = evt->cid; tid = evt->tid; } + + if (!wil_cid_valid(wil, cid)) { + wil_err(wil, "DELBA: Invalid CID %d\n", cid); + return; + } + wil_dbg_wmi(wil, "DELBA MID %d CID %d TID %d from %s reason %d\n", vif->mid, cid, tid, evt->from_initiator ? "originator" : "recipient", -- 2.45.2