From e78975fcdae463fc2af21f944e90f305a922cbd5 Mon Sep 17 00:00:00 2001
From: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Date: Tue, 10 Sep 2019 16:46:31 +0300
Subject: [PATCH] wil6210: verify cid value is valid
Git-commit: e78975fcdae463fc2af21f944e90f305a922cbd5
Patch-mainline: v5.4-rc1
References: jsc#SLE-13430
cid value is not being verified in wmi_evt_delba(),
verification is added.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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",
--
2.16.4