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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 BA263C10F25 for ; Wed, 11 Mar 2020 04:36:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 88CA721655 for ; Wed, 11 Mar 2020 04:36:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726362AbgCKEgD (ORCPT ); Wed, 11 Mar 2020 00:36:03 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:40175 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725834AbgCKEgD (ORCPT ); Wed, 11 Mar 2020 00:36:03 -0400 Received: by mail-il1-f198.google.com with SMTP id g79so525441ild.7 for ; Tue, 10 Mar 2020 21:36:03 -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=TOW6EyRWWRmr0XeVGg68EU3oaAG/uTESSlfkqLc+cAM=; b=li7qTTymSESOtpdaVq4xJ1eUHCPHHt4xFnffPQmAdELUy8a521O/vsNe3ahn1ZqrDA 4uqVXYsQrnLvZcTtGtxoxRxbdi7qZzvoH0dOpDACHxu2tU9cHZLH35zz38Zhv4WEUjr3 MZSsrrbusSODGP2d8GVpVE7gzL+hnXRpZAE0V3j6M1dm87YIrQpJKEUWQpu+FBq2cReP 4rBJI4UKMCNjBqokprOuxH3P6gZyrGT+IoafkB8GxUQnxt36DU+NfURMoiJGS3YTcbvK 30Kp8sST4XeXyLsHVm/uefNtLxM3QRh3CnLFucF73Tpt8TXdp7mYBiTt03k6//ZhUlEp +C6Q== X-Gm-Message-State: ANhLgQ2aTNruqAOUHlF7d/xtvwpK5YEu4oLujSwS3q52oXasK2v2UG+Z HftD2x1YX4H7zjsPhC6R9QRtney1J+SByM7MeyWySeJgw1uf X-Google-Smtp-Source: ADFU+vux2t/xaiujvf8Y0YWq1KqzivojgudC+oOlyt8deIl3lhzOJSMIuuTOmRBd2XaXjPCRM7y5g8S9EcYG/6ABJbFkK9akhOZH MIME-Version: 1.0 X-Received: by 2002:a92:7b10:: with SMTP id w16mr1278071ilc.93.1583901362950; Tue, 10 Mar 2020 21:36:02 -0700 (PDT) Date: Tue, 10 Mar 2020 21:36:02 -0700 In-Reply-To: <0000000000002e20b9059fee8a94@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000019196205a08cc67d@google.com> Subject: Re: WARNING in idr_destroy From: syzbot To: a@unstable.cc, airlied@linux.ie, airlied@redhat.com, alexander.deucher@amd.com, b.a.t.m.a.n@lists.open-mesh.org, christian.koenig@amd.com, daniel@ffwll.ch, davem@davemloft.net, dri-devel@lists.freedesktop.org, gregkh@linuxfoundation.org, hdegoede@redhat.com, kraxel@redhat.com, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mareklindner@neomailbox.ch, mripard@kernel.org, netdev@vger.kernel.org, noralf@tronnes.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tzimmermann@suse.de Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 5b3709793d151e6e12eb6a38a5da3f7fc2923d3a Author: Thomas Zimmermann Date: Wed May 8 08:26:19 2019 +0000 drm/ast: Convert AST driver to |struct drm_gem_vram_object| bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15a66fb5e00000 start commit: 63623fd4 Merge tag 'for-linus' of git://git.kernel.org/pub.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17a66fb5e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13a66fb5e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=5d2e033af114153f dashboard link: https://syzkaller.appspot.com/bug?extid=05835159fe322770fe3d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14e978e3e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10b1a819e00000 Reported-by: syzbot+05835159fe322770fe3d@syzkaller.appspotmail.com Fixes: 5b3709793d15 ("drm/ast: Convert AST driver to |struct drm_gem_vram_object|") For information about bisection process see: https://goo.gl/tpsmEJ#bisection