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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53F54C4332F for ; Mon, 14 Nov 2022 01:49:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235609AbiKNBtn (ORCPT ); Sun, 13 Nov 2022 20:49:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235249AbiKNBtj (ORCPT ); Sun, 13 Nov 2022 20:49:39 -0500 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3303BE4F for ; Sun, 13 Nov 2022 17:49:39 -0800 (PST) Received: by mail-io1-f72.google.com with SMTP id c14-20020a5ea80e000000b006d6e9b05e58so5274235ioa.23 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=XDVRikc8HBzITxMYGAA8nfZbO4PD8pwqcRl18HG/OM5mCx+4OABwRXotnq0yccxtjX 6YlXaMryIY2iOENuB5qYLi6xbe+f88+Pxeo1QBVExEVasP6FXm3trCLkYkgpSOmSw7yP yDKsXQnTnf1K0astSnOVoM9UXiykvAjIexo2Tz56MPwyQz6YLlIWblKjh2K8GrSaC8iK 2SlL6WAGgDwnE4IGVzxoSL04LyStoWYv6Qss6+2jCYAGPk9p/V0OOGsI5bNmGs26xLdc yetAgosEqi6P0RDpzmBLBqUxde2Ee7TgMfjqTOzPs+YnrZ45INFPXKTbHeeaX1/9YwAa GrQg== X-Gm-Message-State: ANoB5pncLY1Zqz7gdONYPFI5onEvWSnCpmP+tXk9YEEhdV/EQ0Wn1sPh K3auU2HJxY0aAsLa86KmrPllTJTppfMzgM23h9zYBjLmB07e 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" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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