4.19-stable review patch. If anyone has any objections, please let me know.
------------------ From: Cong Wang <xiyou.wangc...@gmail.com> [ Upstream commit dc4501ff287547dea7ca10f1c580c741291a8760 ] bearer_disable() already calls kfree_rcu() to free struct tipc_bearer, we don't need to call kfree() again. Fixes: cb30a63384bc ("tipc: refactor function tipc_enable_bearer()") Reported-by: syzbot+b981acf1fb240c0c1...@syzkaller.appspotmail.com Cc: Ying Xue <ying....@windriver.com> Cc: Jon Maloy <jon.ma...@ericsson.com> Signed-off-by: Cong Wang <xiyou.wangc...@gmail.com> Signed-off-by: David S. Miller <da...@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- net/tipc/bearer.c | 1 - 1 file changed, 1 deletion(-) --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -317,7 +317,6 @@ static int tipc_enable_bearer(struct net res = tipc_disc_create(net, b, &b->bcast_addr, &skb); if (res) { bearer_disable(net, b); - kfree(b); errstr = "failed to create discoverer"; goto rejected; }