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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 6926EC433F5 for ; Fri, 22 Apr 2022 13:54:45 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id AE42D16F6; Fri, 22 Apr 2022 15:53:53 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz AE42D16F6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1650635683; bh=bk1RzOmWO6+F8HELlpkoiR1AiCW8egI0XWv7ebz23vU=; h=Date:In-Reply-To:Subject:From:To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From; b=Ac1MYUZrobNe2YGQmxD9y2/yhPSNkb+TALt9NI6gVPp+jWrWO+7UcQtwAqWCXkifd t2AZffvdzy7G6y9DAEemYRMwIEQ8xqEM+1lI6TEDnzApuTSfo2FXdS6GOM/sTNhu6U XM/+KnaPCICsvhLdD/jVZZ8oH+JiO2wkP1Elpg6U= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 41BE1F80C07; Fri, 22 Apr 2022 15:32:48 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 7145BF80125; Wed, 20 Apr 2022 23:28:18 +0200 (CEST) Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id D8614F800F8 for ; Wed, 20 Apr 2022 23:28:11 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D8614F800F8 Received: by mail-il1-f200.google.com with SMTP id l2-20020a056e0212e200b002cc235e7488so1606396iln.21 for ; Wed, 20 Apr 2022 14:28:11 -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=I4F1krMOibpKaTH9PnqZWCI0Aj/Ad+w7diYRgnPZU4WC1ft68HQLCz18Zej0S22iqk RJqlw48502A5fjRUMmFU2MNcs2RrwP7MYECxuX+r9j/ztibWC8J+TUSLTBRKtyomHSXZ m5pk6hj3T82pNJX0wrhUmiHZZit05dKNSf7/XIFypxLp58/k56pes8u/yWYdUjSj6XAS ryz6Qaq4UT5/jvkSWHA5TgTRdyfVcAPTTZmTvH/A5jbqv1efi2YH/TMtJtGC0h+eWriI 3T+h8BOHc/uG9o3DnGP14+rgSKtQ2bFCZ5mrNvOnGcpLD+Ppfgr8Wkw7woilAxE4j7VX CLww== X-Gm-Message-State: AOAM532fuEGDr/OWKZU2Xuy/5jAL+QvIkqwK/ZMJj2LL0atYJyUPWN6S UvA4cuZXPO9MsSn6s+ZFKfDvQ4gWjK7mFnZq/UNa6hHKZ6aC 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" X-Mailman-Approved-At: Fri, 22 Apr 2022 15:31:42 +0200 X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" 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