From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sowmini Varadhan Subject: Re: KASAN: use-after-free Read in __rhashtable_lookup (2) Date: Fri, 24 Aug 2018 19:04:46 -0400 Message-ID: <20180824230446.GA16891@oracle.com> References: <00000000000027a1e605741b2afa@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: davem@davemloft.net, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, rds-devel@oss.oracle.com, santosh.shilimkar@oracle.com, syzkaller-bugs@googlegroups.com To: syzbot Return-path: Received: from aserp2120.oracle.com ([141.146.126.78]:49198 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727285AbeHYCln (ORCPT ); Fri, 24 Aug 2018 22:41:43 -0400 Content-Disposition: inline In-Reply-To: <00000000000027a1e605741b2afa@google.com> Sender: netdev-owner@vger.kernel.org List-ID: #syz dup KASAN: use-after-free Read in rds_find_bound The problem is a missing synchronize_net() in rds_release. References: https://www.spinics.net/lists/netdev/msg475074.html https://www.spinics.net/lists/netdev/msg507908.html