From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Subject: Re: KASAN: use-after-free Read in release_sock Date: Wed, 31 Jul 2019 06:58:00 -0700 Message-ID: <0000000000005f7805058efa8333@google.com> References: <000000000000de000a058e9025db@google.com> Mime-Version: 1.0 Return-path: In-Reply-To: <000000000000de000a058e9025db@google.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed"; delsp="yes" Content-Transfer-Encoding: 7bit To: davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com syzbot has bisected this bug to: commit c8c8218ec5af5d2598381883acbefbf604e56b5e Author: Cong Wang Date: Thu Jun 27 21:30:58 2019 +0000 netrom: fix a memory leak in nr_rx_frame() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13b52242600000 start commit: 629f8205 Merge tag 'for-linus-20190730' of git://git.kerne.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=10752242600000 console output: https://syzkaller.appspot.com/x/log.txt?x=17b52242600000 kernel config: https://syzkaller.appspot.com/x/.config?x=4c7b914a2680c9c6 dashboard link: https://syzkaller.appspot.com/bug?extid=107429d62fb1d293602f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16a7c8dc600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1498cfa2600000 Reported-by: syzbot+107429d62fb1d293602f@syzkaller.appspotmail.com Fixes: c8c8218ec5af ("netrom: fix a memory leak in nr_rx_frame()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection