From: Xin Long <lucien....@gmail.com>
Date: Sun, 16 Jun 2019 17:24:07 +0800
> Syzbot reported a memleak caused by grp members' deferredq list not
> purged when the grp is be deleted.
>
> The issue occurs when more(msg_grp_bc_seqno(hdr), m->bc_rcv_nxt) in
> tipc_group_filter_msg() and the skb will stay in deferredq.
>
> So fix it by calling __skb_queue_purge for each member's deferredq
> in tipc_group_delete() when a tipc sk leaves the grp.
>
> Fixes: b87a5ea31c93 ("tipc: guarantee group unicast doesn't bypass group
> broadcast")
> Reported-by: syzbot+78fbe679c8ca8d264...@syzkaller.appspotmail.com
> Signed-off-by: Xin Long <lucien....@gmail.com>
Applied, thanks.
