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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 B9959C433E1 for ; Wed, 26 Aug 2020 11:03:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A8342087C for ; Wed, 26 Aug 2020 11:03:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="onrC78Sb"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="PfZ2hYH1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728873AbgHZLDw (ORCPT ); Wed, 26 Aug 2020 07:03:52 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:56724 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728693AbgHZLDM (ORCPT ); Wed, 26 Aug 2020 07:03:12 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1598439782; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ZaAkTdOab/XFooWlber6W3bQre4hvoIBpg4is6GPMvI=; b=onrC78SbMNK189bx5B9J/G6s8NfSzOML8/QswGPLaM7CNLUadKjp4RZkqQj1RpwAnqf9ND WHrr0sfogurwO1T9+nL2EocVhhdSgZ0KPGI/iuexx/2JUw0YevIydPq4BgtmRVhBYRr2H9 kzNgRK7OBnzZ3BpBp2bRNNIjEyY+2G0JVleePH9tjONso7qd32vc+4yxT0SovbmgDtn7kX BJpgVC6m9/waC/lQVCd9lNZKfx7RbcHmiwjuCHpFim0i4wEaR0GZkqDXWSSOJg7RJpHX5h tUQjMpAvUqHIn7Kv266SPEKtJ5Pdfwe2BFa3tlGUAsQUziWsuUenKnL6a4+DPw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1598439782; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ZaAkTdOab/XFooWlber6W3bQre4hvoIBpg4is6GPMvI=; b=PfZ2hYH1I2ewe0aCaU53HrJiEJCFqmFzJ7d2d3J0q6ZM3xseBlhIbp4F8hJcGr9lQ4766W KACq5LU557imvSAA== To: syzbot , akpm@linux-foundation.org, anna.schumaker@netapp.com, bfields@fieldses.org, bp@alien8.de, davem@davemloft.net, douly.fnst@cn.fujitsu.com, hpa@zytor.com, jlayton@kernel.org, konrad.wilk@oracle.com, len.brown@intel.com, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, netdev@vger.kernel.org, paulmck@kernel.org, peterz@infradead.org, puwen@hygon.cn, rafael.j.wysocki@intel.com, syzkaller-bugs@googlegroups.com, trond.myklebust@hammerspace.com, trond.myklebust@primarydata.com, vbabka@suse.cz, x86@kernel.org, David Howells Subject: Re: WARNING: ODEBUG bug in __do_softirq In-Reply-To: <000000000000e7fab005adc3f636@google.com> References: <000000000000e7fab005adc3f636@google.com> Date: Wed, 26 Aug 2020 13:03:02 +0200 Message-ID: <87v9h5vfdl.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 26 2020 at 01:54, syzbot wrote: Cc+: David Howells > syzbot has found a reproducer for the following issue on: > > HEAD commit: 3a00d3df Add linux-next specific files for 20200825 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=15080fa9900000 > kernel config: https://syzkaller.appspot.com/x/.config?x=9ef0a5f95935d447 > dashboard link: https://syzkaller.appspot.com/bug?extid=51c9bdfa559769d2f897 > compiler: gcc (GCC) 10.1.0-syz 20200507 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17927a2e900000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=132b8ede900000 > > The issue was bisected to: > > commit 5b317cbf2bcb85a1e96ce87717cb991ecab1dd4d > Author: Rafael J. Wysocki > Date: Fri Feb 22 09:17:11 2019 +0000 > > Merge branch 'pm-cpufreq-fixes' > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=171ead5d200000 > final oops: https://syzkaller.appspot.com/x/report.txt?x=149ead5d200000 > console output: https://syzkaller.appspot.com/x/log.txt?x=109ead5d200000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+51c9bdfa559769d2f897@syzkaller.appspotmail.com > Fixes: 5b317cbf2bcb ("Merge branch 'pm-cpufreq-fixes'") > > ------------[ cut here ]------------ > ODEBUG: free active (active state 0) object type: work_struct hint: afs_manage_cell+0x0/0x11c0 fs/afs/cell.c:498 AFS is leaking an active work struct in a to be freed data struct. Thanks, tglx