From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Subject: Re: KASAN: use-after-free Read in get_mem_cgroup_from_mm Date: Fri, 22 Mar 2019 02:36:01 -0700 Message-ID: <00000000000035d0e70584ab952b@google.com> References: <000000000000601367057a095de4@google.com> Mime-Version: 1.0 Return-path: In-Reply-To: <000000000000601367057a095de4@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: aarcange@redhat.com, akpm@linux-foundation.org, cgroups@vger.kernel.org, dvyukov@google.com, hannes@cmpxchg.org, hughd@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@suse.de, mhocko@kernel.org, peterx@redhat.com, rientjes@google.com, rppt@linux.ibm.com, rppt@linux.vnet.ibm.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, vdavydov.dev@gmail.com, willy@infradead.org, zhongjiang@huawei.com Bisection is inconclusive: the first bad commit could be any of: 2c43838c sched/isolation: Enable CONFIG_CPU_ISOLATION=y by default bf29cb23 sched/isolation: Make CONFIG_NO_HZ_FULL select CONFIG_CPU_ISOLATION d94d1053 sched/isolation: Document boot parameters dependency on CONFIG_CPU_ISOLATION=y 4c470317 Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1592b037200000 start commit: 0072a0c1 git tree: upstream dashboard link: https://syzkaller.appspot.com/bug?extid=cbb52e396df3e565ab02 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12835e25400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172fa5a3400000 For information about bisection process see: https://goo.gl/tpsmEJ#bisection