From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DDE2C433E7 for ; Mon, 19 Oct 2020 21:38:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2705C2231B for ; Mon, 19 Oct 2020 21:38:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733269AbgJSViG (ORCPT ); Mon, 19 Oct 2020 17:38:06 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:53025 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733261AbgJSViF (ORCPT ); Mon, 19 Oct 2020 17:38:05 -0400 Received: by mail-io1-f71.google.com with SMTP id e10so1162874ioq.19 for ; Mon, 19 Oct 2020 14:38:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=3+pOrgaRKys1ukxYUhRD8eMBk03/5Wr4iYqe05uE/Xs=; b=qk/tNL8vmruSzjHg83d7uehXUR2q5tM/72lk8MW1p9MK6NkGhAQq9Y6O/IsPyKtxiw 5wh7izPA3iVTxzs6EgRy4lhum/t3LVVDCSRmR4WwSu9GXBdmVYd9ji6crxY00+BTUGoc Sq0iA72oqkYYF13/JXx7xC8dOVuxTIk2dx7/ejf+8Y6wGai3N5vxE8KhBPK7nOnjxqxF jAcLtdhXsDKEc17ECEaGUI37sbPXTWtMvkywl5u1hiarhzexiDMkNk9qbJKOROtcP+aX Lod3gDl/UNsWUcq+Iv1I+P9GXk0mtcH9qb289z9MM6QttW330aY1IKWvJwqAKkmsAoFW KXXA== X-Gm-Message-State: AOAM533+9cu5qXjXnplvXZgeFgfrvmPF2pybx6bcxmnYUyTAaQl+vBU9 5V7w/5feUlIUaAWzlWmm9WmRSBTT/MoZDfnL95NsvhanUkcO X-Google-Smtp-Source: ABdhPJzkyP3ftUH+EdI/DBK/RuoKcZyjk/u/pLBTvtucJaGpONpWfm+0802shWZpgCUYbK0yjsxi2Bj6hRfFJtqBrifaQfcF+s8V MIME-Version: 1.0 X-Received: by 2002:a92:1801:: with SMTP id 1mr1325764ily.219.1603143484870; Mon, 19 Oct 2020 14:38:04 -0700 (PDT) Date: Mon, 19 Oct 2020 14:38:04 -0700 In-Reply-To: <00000000000005f0b605af42ab4e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f098f005b20ced50@google.com> Subject: Re: KASAN: unknown-crash Read in do_exit From: syzbot To: akpm@linux-foundation.org, aryabinin@virtuozzo.com, b.zolnierkie@samsung.com, christian@brauner.io, dan.carpenter@oracle.com, dvyukov@google.com, ebiederm@xmission.com, george.kennedy@oracle.com, glider@google.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, sandeen@sandeen.net, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit a49145acfb975d921464b84fe00279f99827d816 Author: George Kennedy Date: Tue Jul 7 19:26:03 2020 +0000 fbmem: add margin check to fb_check_caps() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17ce19c8500000 start commit: 729e3d09 Merge tag 'ceph-for-5.9-rc5' of git://github.com/.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=c61610091f4ca8c4 dashboard link: https://syzkaller.appspot.com/bug?extid=d9ae84069cff753e94bf syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10642545900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=141f2bed900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fbmem: add margin check to fb_check_caps() For information about bisection process see: https://goo.gl/tpsmEJ#bisection