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[209.85.220.69]) by mx.google.com with SMTPS id y101sor2005241ita.6.2019.03.27.13.10.01 for (Google Transport Security); Wed, 27 Mar 2019 13:10:01 -0700 (PDT) Received-SPF: pass (google.com: domain of 3mdibxakbakqwcdoeppivettmh.ksskpiywivgsrxirx.gsq@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 3mdibxakbakqwcdoeppivettmh.ksskpiywivgsrxirx.gsq@m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com designates 209.85.220.69 as permitted sender) smtp.mailfrom=3mdibXAkbAKQWcdOEPPIVETTMH.KSSKPIYWIVGSRXIRX.GSQ@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com X-Google-Smtp-Source: APXvYqyDAf4ploxQXeYfC+CFYQgbOcopu+jJ1sXdRok24pSP1DcDyVjvzKS+bGYT+67jK4ftl65L/WTLJk3QASrrZ0jfVnqyzKD5 MIME-Version: 1.0 X-Received: by 2002:a24:2704:: with SMTP id g4mr1307352ita.36.1553717401059; Wed, 27 Mar 2019 13:10:01 -0700 (PDT) Date: Wed, 27 Mar 2019 13:10:01 -0700 In-Reply-To: <00000000000051ee78057cc4d98f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c58fcf058519059e@google.com> Subject: Re: general protection fault in put_pid From: syzbot To: akpm@linux-foundation.org, clm@fb.com, dan.carpenter@oracle.com, dave@stgolabs.net, dhowells@redhat.com, dsterba@suse.com, dvyukov@google.com, ebiederm@xmission.com, jbacik@fb.com, ktkhai@virtuozzo.com, ktsanaktsidis@zendesk.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, manfred@colorfullife.com, mhocko@suse.com, nborisov@suse.com, penguin-kernel@I-love.SAKURA.ne.jp, penguin-kernel@i-love.sakura.ne.jp, rppt@linux.vnet.ibm.com, sfr@canb.auug.org.au, shakeelb@google.com, syzkaller-bugs@googlegroups.com, vdavydov.dev@gmail.com, willy@infradead.org 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: syzbot has bisected this bug to: commit b9b8a41adeff5666b402996020b698504c927353 Author: Dan Carpenter Date: Mon Aug 20 08:25:33 2018 +0000 btrfs: use after free in btrfs_quota_enable bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14155a1f200000 start commit: f5d58277 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16155a1f200000 console output: https://syzkaller.appspot.com/x/log.txt?x=12155a1f200000 kernel config: https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23 dashboard link: https://syzkaller.appspot.com/bug?extid=1145ec2e23165570c3ac syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16803afb400000 Reported-by: syzbot+1145ec2e23165570c3ac@syzkaller.appspotmail.com Fixes: b9b8a41adeff ("btrfs: use after free in btrfs_quota_enable") For information about bisection process see: https://goo.gl/tpsmEJ#bisection