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Date: Mon, 15 Jul 2019 10:44:47 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Jeremy Sowden <jeremy@...zel.net>, syzbot+d454a826e670502484b8@...kaller.appspotmail.com, Simon Wunderlich <sw@...onwunderlich.de>, Sasha Levin <sashal@...nel.org>, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 4.4 05/53] batman-adv: fix for leaked TVLV handler. From: Jeremy Sowden <jeremy@...zel.net> [ Upstream commit 17f78dd1bd624a4dd78ed5db3284a63ee807fcc3 ] A handler for BATADV_TVLV_ROAM was being registered when the translation-table was initialized, but not unregistered when the translation-table was freed. Unregister it. Fixes: 122edaa05940 ("batman-adv: tvlv - convert roaming adv packet to use tvlv unicast packets") Reported-by: syzbot+d454a826e670502484b8@...kaller.appspotmail.com Signed-off-by: Jeremy Sowden <jeremy@...zel.net> Signed-off-by: Sven Eckelmann <sven@...fation.org Signed-off-by: Simon Wunderlich <sw@...onwunderlich.de> Signed-off-by: Sasha Levin <sashal@...nel.org> --- net/batman-adv/translation-table.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index f2079acb555d..ffd49b40e76a 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -3158,6 +3158,8 @@ static void batadv_tt_purge(struct work_struct *work) void batadv_tt_free(struct batadv_priv *bat_priv) { + batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_ROAM, 1); + batadv_tvlv_container_unregister(bat_priv, BATADV_TVLV_TT, 1); batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_TT, 1); -- 2.20.1
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