[PATCH] rsi: fix array out of bound
From: zhangyue <hidden>
Date: 2021-12-09 00:57:14
Also in:
lkml, netdev
Subsystem:
redpine wireless driver, the rest · Maintainer:
Linus Torvalds
Limit the max of 'ii'. If 'ii' greater than or equal to 'RSI_MAX_VIFS', the array 'adapter->vifs' may be out of bound Signed-off-by: zhangyue <redacted> --- drivers/net/wireless/rsi/rsi_91x_mac80211.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
index e70c1c7fdf59..913e11fb3807 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c@@ -1108,6 +1108,9 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw, break; } + if (ii >= RSI_MAX_VIFS) + return status; + mutex_lock(&common->mutex); if (ssn != NULL)
--
2.30.0