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 96256C433F5 for ; Wed, 20 Apr 2022 21:28:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1382518AbiDTVbB (ORCPT ); Wed, 20 Apr 2022 17:31:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1382508AbiDTVa5 (ORCPT ); Wed, 20 Apr 2022 17:30:57 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE30845040 for ; Wed, 20 Apr 2022 14:28:09 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id o9-20020a0566022e0900b00654b599b1eeso2002610iow.21 for ; Wed, 20 Apr 2022 14:28:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=6orOFsy74rNN5Tn6BrnH+g4zIxPrQE5SyUBi8riN0xM=; b=JPTkwpHk1J+DYyPBeJB67O5VEGnNVJElqvelxUmfOwzWXFdLcqg171NUVsvqeW77Fn eRtIvlZdLqAb06fYZyaMgKw7UvaC0Yp9VzNFXO6QmncriYy9CPgzjvxxULs6Vihr8drX 5/rN0B0ogHZjSxlpv9REvj78osvsrOsWW5uWlv7HpUYPDB15pJR2xgY0LP73+nHr5MLq L3Pq/g9eAyUMcfpaQB7A783Za67aZob8WL8JzprbW4dUH0XSZ7WiLPN+N9NepNapsvf7 GowrlOlhQye4Q4/vhBeIRW/wlbnQwhTkRd7dSq75+dYfdivBEQUSjVUWzpFhDr9EXQEt 9qyg== X-Gm-Message-State: AOAM533w2kdzpVfMBmv+ctjn4SmYAPrAqK5dilfsaYKnewVjh2DAy/rT Q9JuSpnC4vcZCLSN9lt2qgFn+KrRhzVxrBF1NgO3R+O1CYzy X-Google-Smtp-Source: ABdhPJzgN+9LkncxNGek29FEzvDqYn7T+0paLfjRepDM958YF10ope2I5QGSX4+kSi2/D4KHU/1JAYks7qeWBzSeF0qDXlyP38dc MIME-Version: 1.0 X-Received: by 2002:a05:6638:19c8:b0:328:6a22:8258 with SMTP id bi8-20020a05663819c800b003286a228258mr9997908jab.103.1650490089346; Wed, 20 Apr 2022 14:28:09 -0700 (PDT) Date: Wed, 20 Apr 2022 14:28:09 -0700 In-Reply-To: <0000000000004ecea505c28504b9@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007b1cbd05dd1cab5a@google.com> Subject: Re: [syzbot] general protection fault in pm_qos_update_target From: syzbot To: alsa-devel@alsa-project.org, len.brown@intel.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, pavel@ucw.cz, perex@perex.cz, rjw@rjwysocki.net, syzkaller-bugs@googlegroups.com, tiwai@suse.com, tiwai@suse.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 3c3201f8c7bb77eb53b08a3ca8d9a4ddc500b4c0 Author: Takashi Iwai Date: Tue Mar 22 17:07:19 2022 +0000 ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=104e3034f00000 start commit: dbb5afad100a ptrace: make ptrace() fail if the tracee chan.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=91ff0467ce169bc dashboard link: https://syzkaller.appspot.com/bug?extid=f7d9295d2565ee819d21 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16c75e73d00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls For information about bisection process see: https://goo.gl/tpsmEJ#bisection