linux-kernel - [PATCH 5.4 119/222] cfg80211: fix memory leak in nl80211_probe_mesh

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Message-Id: <20200122092842.260670992@linuxfoundation.org>
Date:   Wed, 22 Jan 2020 10:28:25 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Felix Fietkau <nbd@....name>,
        Johannes Berg <johannes.berg@...el.com>
Subject: [PATCH 5.4 119/222] cfg80211: fix memory leak in nl80211_probe_mesh_link

From: Felix Fietkau <nbd@....name>

commit 2a279b34169e9bbf7c240691466420aba75b4175 upstream.

The per-tid statistics need to be released after the call to rdev_get_station

Cc: stable@...r.kernel.org
Fixes: 5ab92e7fe49a ("cfg80211: add support to probe unexercised mesh link")
Signed-off-by: Felix Fietkau <nbd@....name>
Link: https://lore.kernel.org/r/20200108170630.33680-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 net/wireless/nl80211.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -13787,6 +13787,8 @@ static int nl80211_probe_mesh_link(struc
 	if (err)
 		return err;
 
+	cfg80211_sinfo_release_content(&sinfo);
+
 	return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
 }