The following commit has been merged in the master branch: commit 17f78dd1bd624a4dd78ed5db3284a63ee807fcc3 Author: Jeremy Sowden jeremy@azazel.net Date: Tue May 21 20:58:57 2019 +0100

batman-adv: fix for leaked TVLV handler.

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@syzkaller.appspotmail.com Signed-off-by: Jeremy Sowden jeremy@azazel.net Signed-off-by: Sven Eckelmann <sven@narfation.org Signed-off-by: Simon Wunderlich sw@simonwunderlich.de

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 1ddfd5e011ee..8a482c5ec67b 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -3813,6 +3813,8 @@ 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);