From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Subject: Re: KASAN: slab-out-of-bounds Read in css_task_iter_advance Date: Tue, 04 Jun 2019 23:47:00 -0700 Message-ID: <000000000000e878a9058a8df684@google.com> References: <00000000000097025d058a7fd785@google.com> Mime-Version: 1.0 Return-path: In-Reply-To: <00000000000097025d058a7fd785@google.com> Sender: netdev-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed"; delsp="yes" Content-Transfer-Encoding: 7bit To: ast@kernel.org, bpf@vger.kernel.org, cgroups@vger.kernel.org, daniel@iogearbox.net, hannes@cmpxchg.org, kafai@fb.com, linux-kernel@vger.kernel.org, lizefan@huawei.com, netdev@vger.kernel.org, oleg@redhat.com, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, tj@kernel.org, yhs@fb.com syzbot has bisected this bug to: commit b636fd38dc40113f853337a7d2a6885ad23b8811 Author: Tejun Heo Date: Fri May 31 17:38:58 2019 +0000 cgroup: Implement css_task_iter_skip() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1256fcd2a00000 start commit: 56b697c6 Add linux-next specific files for 20190604 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=1156fcd2a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1656fcd2a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=4248d6bc70076f7d dashboard link: https://syzkaller.appspot.com/bug?extid=9343b7623bc03dc680c1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=102ab292a00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15f0e27ca00000 Reported-by: syzbot+9343b7623bc03dc680c1@syzkaller.appspotmail.com Fixes: b636fd38dc40 ("cgroup: Implement css_task_iter_skip()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection