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 B6848C433FE for ; Mon, 14 Nov 2022 01:49:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2F80B10E259; Mon, 14 Nov 2022 01:49:44 +0000 (UTC) Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by gabe.freedesktop.org (Postfix) with ESMTPS id 77CE510E259 for ; Mon, 14 Nov 2022 01:49:39 +0000 (UTC) Received: by mail-il1-f198.google.com with SMTP id h10-20020a056e021b8a00b00302671bb5fdso96017ili.21 for ; Sun, 13 Nov 2022 17:49:39 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=0NIciGEMFs3GR0VxmcRj2FqKZjUa05yht5hU+xLHqL8=; b=H5gilPW+JC+Do8mqZ+tsLhcVV+ahrYspSl1hecYSow3Nw9ZxhPAH2Hcp2M/0OCg1xh NFpNmnVFYDpDN5xvJHXveTMh7d2YINvRYUA0rrRoXtT0le91dARAJxH/Jxg6szaZ/jrm oG6aufMG+tELafnAY/xGa6Z3i9fGX4qa/I8JgI3ZvUNgsqoIGQwyOZDiIxJnFHeGOP+Q HOIkNwGogBQ32xTMjuZvg2ISXLjRm7pykOlN6op+V5QUKa5bAih9BaWu+6klIN4kf1ss MQxhvdKTrVzFNfo34/v2FxtS9kza5vgYcTVIJF3n0QKC/V8PXnygVJbijjqyA3kMcOgL B34w== X-Gm-Message-State: ANoB5pk3T7Vdwsm0OxsRgvBh9eSD8BToQcHRDx28KfsIOuAHNUY5WBMa rTzL7DcUjnka2M42JkeFMuC1Kch6vF0YEqnQA01VXkEMk65i X-Google-Smtp-Source: AA0mqf4oSH+2L1giJjDUKiHTVQUltrz0Z1AwBwcVEqq+IVE588oskcYMuAffWmdXohdOr+bP5nkTCRoWMV6ijRU4lY/7rTO8ke0c MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1061:b0:300:d3e0:2492 with SMTP id q1-20020a056e02106100b00300d3e02492mr5288163ilj.148.1668390578548; Sun, 13 Nov 2022 17:49:38 -0800 (PST) Date: Sun, 13 Nov 2022 17:49:38 -0800 In-Reply-To: <00000000000041665a05ed5c17db@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c7f9c605ed6473c8@google.com> Subject: Re: [syzbot] possible deadlock in vfs_fileattr_set From: syzbot To: airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-graphics-maintainer@vmware.com, linux-kernel@vger.kernel.org, reiserfs-devel@vger.kernel.org, sroland@vmware.com, syzkaller-bugs@googlegroups.com, tzimmermann@suse.de, zackr@vmware.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 6dd6b7643e723b4779e59c8ad97bd5db6ff3bb12 Author: Thomas Zimmermann Date: Mon Jan 18 13:14:19 2021 +0000 drm/vmwgfx: Remove reference to struct drm_device.pdev bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1418e6a5880000 start commit: f8f60f322f06 Add linux-next specific files for 20221111 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1618e6a5880000 console output: https://syzkaller.appspot.com/x/log.txt?x=1218e6a5880000 kernel config: https://syzkaller.appspot.com/x/.config?x=85ba52c07cd97289 dashboard link: https://syzkaller.appspot.com/bug?extid=abe01a74653f00aabe3e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=138b76ae880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16ab1bfe880000 Reported-by: syzbot+abe01a74653f00aabe3e@syzkaller.appspotmail.com Fixes: 6dd6b7643e72 ("drm/vmwgfx: Remove reference to struct drm_device.pdev") For information about bisection process see: https://goo.gl/tpsmEJ#bisection