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[209.85.220.69]) by mx.google.com with SMTPS id k5sor5489991ioc.64.2019.03.22.02.36.01 for (Google Transport Security); Fri, 22 Mar 2019 02:36:01 -0700 (PDT) Received-SPF: pass (google.com: domain of 3gayuxakbabggmn8y992fydd61.4cc492ig2f0cbh2bh.0ca@m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com designates 209.85.220.69 as permitted sender) client-ip=209.85.220.69; Authentication-Results: mx.google.com; spf=pass (google.com: domain of 3gayuxakbabggmn8y992fydd61.4cc492ig2f0cbh2bh.0ca@m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com designates 209.85.220.69 as permitted sender) smtp.mailfrom=3gayUXAkbABgGMN8y992FyDD61.4CC492IG2F0CBH2BH.0CA@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com X-Google-Smtp-Source: APXvYqzMAvq5h5tuI8AFCrBQB9bsrog7Ubvr5HoFyyOpwxjOaS0CGLcPugujchKTBIdK8BoQ36vtRG4nBXk8UQdBEqmLQ/eiqzRQ MIME-Version: 1.0 X-Received: by 2002:a6b:e307:: with SMTP id u7mr6079118ioc.208.1553247361157; Fri, 22 Mar 2019 02:36:01 -0700 (PDT) Date: Fri, 22 Mar 2019 02:36:01 -0700 In-Reply-To: <000000000000601367057a095de4@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000035d0e70584ab952b@google.com> Subject: Re: KASAN: use-after-free Read in get_mem_cgroup_from_mm From: syzbot 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 Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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