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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C63ECEED61E for ; Fri, 15 Sep 2023 18:18:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 19EF810E66A; Fri, 15 Sep 2023 18:18:30 +0000 (UTC) Received: from mail-oa1-f70.google.com (mail-oa1-f70.google.com [209.85.160.70]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8BB0E10E669 for ; Fri, 15 Sep 2023 18:18:27 +0000 (UTC) Received: by mail-oa1-f70.google.com with SMTP id 586e51a60fabf-1c8f14ed485so3527083fac.1 for ; Fri, 15 Sep 2023 11:18:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694801907; x=1695406707; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=2VqufmfxjSUb4XqKQu2eQXU3QONq2sl0HERC26tPXI0=; b=NppI9XBy9cgP5GjZWzSA4SwiTjKVrXyBB/nZrvzv/7IX0bw4PgjzoxuVcA/rVH8fzu 9oztrVTKvJ5R6sJAVG77ADmKHpi60S26sVeGze8xa+6swCQrOwVBEXpfjOAmSqIFjGsJ k7mUJsMld7LUEIWZ7aNfwMb5myHL3jcFYb2/8c2+lfSXFb6xxJNqxvLXWupWz0xpDggH sJz9AmXTLGOvXrMaV0+nSg78vDe6QWArfche5YJUyydODYGU80EmBf5c/2Wy39cyy/9p nNf20xSOYlpIA+j8vycUHooWHGgHAkUSmBCVffvgK7LCB2HkUlEAMo+SJ+iGAWfodxIn CP3g== X-Gm-Message-State: AOJu0YxtK/iQE6TAyTxb5/6Z5iPP19AdQ+llAAuufWIYuE9knO0tYwFR pR5VOTUgFJ8O7Vt3BKPREtpBkGQctacPacfwNNWIdfCAyJRd X-Google-Smtp-Source: AGHT+IHJk3PMmbnZmZM8RAAdi9QO4c+58BuymeUxaU3YwVtig0M8O4dFyhBNpBSzru7Dewszo4NjkQUbjE39n+z4Yr9WF1ychMzG MIME-Version: 1.0 X-Received: by 2002:a05:6870:c789:b0:1d1:3ad6:bb99 with SMTP id dy9-20020a056870c78900b001d13ad6bb99mr738883oab.2.1694801906800; Fri, 15 Sep 2023 11:18:26 -0700 (PDT) Date: Fri, 15 Sep 2023 11:18:26 -0700 In-Reply-To: <000000000000be3c1a0604b53a1c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009e9e1b060569d17c@google.com> Subject: Re: [syzbot] [mm?] kernel BUG in filemap_unaccount_folio From: syzbot To: akpm@linux-foundation.org, christian.koenig@amd.com, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, fengwei.yin@intel.com, gurchetansingh@chromium.org, hughd@google.com, kraxel@redhat.com, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-mm@kvack.org, sumit.semwal@linaro.org, syzkaller-bugs@googlegroups.com, vivek.kasireddy@intel.com Content-Type: text/plain; charset="UTF-8" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" syzbot has bisected this issue to: commit 5c074eeabbd332b11559f7fc1e89d456f94801fb Author: Gerd Hoffmann Date: Wed Nov 14 12:20:29 2018 +0000 udmabuf: set read/write flag when exporting bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12b21bbfa80000 start commit: db906f0ca6bb Merge tag 'phy-for-6.6' of git://git.kernel.o.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11b21bbfa80000 console output: https://syzkaller.appspot.com/x/log.txt?x=16b21bbfa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=3bd57a1ac08277b0 dashboard link: https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11609f38680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14c1fc00680000 Reported-by: syzbot+17a207d226b8a5fb0fd9@syzkaller.appspotmail.com Fixes: 5c074eeabbd3 ("udmabuf: set read/write flag when exporting") For information about bisection process see: https://goo.gl/tpsmEJ#bisection