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| author | Xin Long <lucien.xin@gmail.com> | 2019-06-16 17:24:07 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-16 20:42:05 -0700 |
| commit | 5cf02612b33f104fe1015b2dfaf1758ad3675588 (patch) | |
| tree | 851b49191ef461b0c1748a6b923ac162f1963dc0 /net/lapb | |
| parent | d4d5d8e83c9616aeef28a2869cea49cc3fb35526 (diff) | |
tipc: purge deferredq list for each grp member in tipc_group_delete
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+78fbe679c8ca8d264a8d@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/lapb')
0 files changed, 0 insertions, 0 deletions