From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D24B1388 for ; Sat, 30 Aug 2025 00:06:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756512364; cv=none; b=G87tjTemO/v/7Ugw8uqzlAwN9xwP9gLQVEsGxsxdRtJlTWYD5/8ypid6lU/SBX9yWBUDGm+HpWarpdO9I2VqDyN6JsIg970dRCel5f4f2hHoM3N7MInFPWsa+ZvpdvbRwnWaSsYY38WZyJJbwS1jx6iWxbKPLlcMNZvX6VCFILc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756512364; c=relaxed/simple; bh=zoRQlWYjSRtrHtkuhENexsAuhMGRUA8iw9umQOgXtNU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=RoZxs0YYbr8o/FlqpWNGbgsorV5UQUSBxAGKSjU+/9Jhm563hAfSrsqouR3OodMQIaXN3pPF15sX8zFuXaemOG0spLlDRbTEBmvYj9aD53cnMlQVGXxsdAL0uCQHDjribD7fBU73GmjW4w1lA4F+Wc/o1yWt4hyIeozUJzvKK64= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-3eefbb2da62so64495375ab.3 for ; Fri, 29 Aug 2025 17:06:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756512362; x=1757117162; 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=zPwIJr83OOiOrOvJNnQwQo6sczvTMrs9wgSQP9HaOf8=; b=wkuBmyV8rIpW4FlkrVfxRlIw3AS/KpCEewFFf9D7SL2+s06TDW/qiZK+D31bwCyNaL mv9YgXgEqPG6HypMOycBwc2stUAEaY4vO13dOg5k2CnON7gOIL8ZwMBLOtWu+v1wCzIz S7OR9XL5F9SVrVvk/UbF0jJsoXdoJzenY+eGQNFTEh1t51w9C2VFoVQCOr3Dmx9rwaDr W8p+5YMrehGsSUiG6yqSz8hH1VhY3Eotu5E7W+ajd5wlyRAXHp1BS7ZZS5fzeqFf7voN 5QB9LB8Y5/4necknHCfRON0jyNwPcr35QoJzXY023ngI9RD9G58hpPxaBPjAfoFAcwd8 wYdQ== X-Forwarded-Encrypted: i=1; AJvYcCX9TLlVusid8XO9XUM1mDd+MH43zscKooifX5983yRvLYv2yjoPNXmutb/dNs8EhwOunF7QFpZX0VAKLg==@vger.kernel.org X-Gm-Message-State: AOJu0YxsHxPXF/M6ChLybAIhLva2+5fzvbYBKzwyqvfBzQZhLjoqNs8m +vcUVyPRlmalm6NgHGSAv/FzNJdrLgNMmwpJWbEjxa+SQNbu5Kgifq9RfuBcJbunUTE1iXo+3kd npmyc/6WaKJUobY9VQJ5Jg4w1n5rjs1tJkoj4+yhrWAdW/AMlELRFUaVO9u4= X-Google-Smtp-Source: AGHT+IGS4MjUvuBUzFelAc/TkrLIxgjXujY8JD7wF/mNfz5vdBBd30lWZc1FTkcV7rNtn3W8GceodYn/Al4zbVxLFamU50La0eXs Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1fc5:b0:3f3:ee32:375c with SMTP id e9e14a558f8ab-3f3ffda8782mr10398005ab.2.1756512362698; Fri, 29 Aug 2025 17:06:02 -0700 (PDT) Date: Fri, 29 Aug 2025 17:06:02 -0700 In-Reply-To: <68b1f3ab.a70a0220.f8cc2.00f0.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68b2406a.a00a0220.1337b0.001e.GAE@google.com> Subject: Re: [syzbot] [sound?] possible deadlock in __snd_pcm_lib_xfer (2) From: syzbot To: bigeasy@linutronix.de, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, mingo@redhat.com, perex@perex.cz, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tiwai@suse.com, x86@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit d2d6422f8bd17c6bb205133e290625a564194496 Author: Sebastian Andrzej Siewior Date: Fri Sep 6 10:59:04 2024 +0000 x86: Allow to enable PREEMPT_RT. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12db5634580000 start commit: 07d9df80082b Merge tag 'perf-tools-fixes-for-v6.17-2025-08.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11db5634580000 console output: https://syzkaller.appspot.com/x/log.txt?x=16db5634580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e dashboard link: https://syzkaller.appspot.com/bug?extid=10b4363fb0f46527f3f3 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10307262580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17110242580000 Reported-by: syzbot+10b4363fb0f46527f3f3@syzkaller.appspotmail.com Fixes: d2d6422f8bd1 ("x86: Allow to enable PREEMPT_RT.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection