From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 88464B666 for ; Tue, 27 Aug 2024 02:12:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724724754; cv=none; b=jN4l1FFZLAGNAIHdrAQBQXwMKwe8/WHqFTYSAVN4YPhsVtQsMtxsaeKgyJTAG8fxPS2Er/hCRFbovljsMSucQsdCkHBFiRNYhY6QYnCpjAUB74tSEVR7WRnWj341YH+eoi5mX+fF1fZgrhS9gn6m0G2pBFw30RLvmeAFwbb9yPk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724724754; c=relaxed/simple; bh=PBJlMclewKlsCt+IGH4PPg3fGtUcOp+uJR/vZ1jx69I=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=YTaLY1gRsQHv6XKLsqrUrNfwHDjS+MKu93P/q9Ut7hgKNesicK27MRd1fBptAeMylSs5NMveIZ3OCw0MECfUqNgF1sdFrADJc0SFyKHFyoS3Oy3+KJ2yztABDJb2e5QEP0569LqQb1hdCqwFGqSvJECTsHuRq/eBlv2DPES6qO8= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-39d4c745e31so64290005ab.0 for ; Mon, 26 Aug 2024 19:12:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724724751; x=1725329551; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=K9h+fqkMkBoiRVkgbbFxpZ3SzgfLCLTAdbi9tiyS+Zs=; b=HpqRuoFDsk856OopUIRZdORjWUJJ9yl8PiIoOdMvC5I9IkslZnS9GfwWOyfMJTGZLU 2yJnml8+Yv7AC4zY9zPDZ+fCjorIj6ctjbijGn7jwTCuzRJuT/YGgU1LeCBGpJxbgqwk c1SnON9UEtZB5SsxB8u2viJj6plqPIpvur0fUfYgcqNUJeFDf8VuUhvXJujWJZ7hQ2MU VYhsIEzxie0YbkDyKjtkvGk1gMMdpeWgSVGmQf18+lMwUjHQEvvPVJQSZhVbZZ+A9KhP RKlqRlqws/d0/YrlAcAP9cBd8HYSVVWMLpjMiEVo8+3zvHYc498elpmsnR7gL+EbctkX rXQQ== X-Gm-Message-State: AOJu0YwOxFs+5iqHU1FHH6pRjHEsuJivza4MkKtMUY6l5tHAhImQmhXN 3A7gJXXUz8CRn5+WQexZZheQU2zqb74EIvdinZayO+onjuaHUKBIiLQwlqXxMfwReM21l91tuTI sgAJJ8iD7v5d9eMvdVIRahYyQYY0EndgRtXtzVGPkJplD5CCfOFhPW+Y= X-Google-Smtp-Source: AGHT+IHjy344hgBY1WzvoMnnho/QcOMBnSH/Y+IgJHyt8vGmPIdid+1D0GSkNrEltpSWSRyz+PXqN/p0qHwhc5EfVr7Mo9h67yhZ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:3594:b0:4c2:8e08:f588 with SMTP id 8926c6da1cb9f-4ceb51a1a3cmr81984173.2.1724724751525; Mon, 26 Aug 2024 19:12:31 -0700 (PDT) Date: Mon, 26 Aug 2024 19:12:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002680930620a0c6b9@google.com> Subject: [syzbot] [sound?] WARNING in snd_pcm_open From: syzbot To: linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, perex@perex.cz, syzkaller-bugs@googlegroups.com, tiwai@suse.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 6a7917c89f21 Add linux-next specific files for 20240822 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=11a72e09980000 kernel config: https://syzkaller.appspot.com/x/.config?x=897bd7c53a10fcfc dashboard link: https://syzkaller.appspot.com/bug?extid=d2b696e5cb7a92fee831 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/47820545bc51/disk-6a7917c8.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e300f3a38860/vmlinux-6a7917c8.xz kernel image: https://storage.googleapis.com/syzbot-assets/9146afef58aa/bzImage-6a7917c8.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d2b696e5cb7a92fee831@syzkaller.appspotmail.com ------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=1 set at [] snd_pcm_open+0x2ff/0x7a0 sound/core/pcm_native.c:2860 WARNING: CPU: 1 PID: 5346 at kernel/sched/core.c:8556 __might_sleep+0xb9/0xe0 kernel/sched/core.c:8552 Modules linked in: CPU: 1 UID: 0 PID: 5346 Comm: syz.4.9 Not tainted 6.11.0-rc4-next-20240822-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__might_sleep+0xb9/0xe0 kernel/sched/core.c:8552 Code: a1 0e 01 90 42 80 3c 23 00 74 08 48 89 ef e8 ce e6 97 00 48 8b 4d 00 48 c7 c7 c0 60 0a 8c 44 89 ee 48 89 ca e8 f8 02 f1 ff 90 <0f> 0b 90 90 eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 70 ff ff ff RSP: 0018:ffffc90004457408 EFLAGS: 00010246 RAX: 0dea8fe797fdb300 RBX: 1ffff11002cf16ac RCX: 0000000000040000 RDX: ffffc90009dd9000 RSI: 00000000000085c7 RDI: 00000000000085c8 RBP: ffff88801678b560 R08: ffffffff8155a632 R09: fffffbfff1cfa364 R10: dffffc0000000000 R11: fffffbfff1cfa364 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000249 R15: ffffffff8c0ab880 FS: 00007fa51e6226c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32715ff8 CR3: 00000000771dc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0xc1/0xd70 kernel/locking/mutex.c:752 snd_pcm_open+0x34b/0x7a0 sound/core/pcm_native.c:2863 snd_pcm_playback_open+0x6e/0xe0 sound/core/pcm_native.c:2810 chrdev_open+0x523/0x600 fs/char_dev.c:414 do_dentry_open+0x928/0x13f0 fs/open.c:959 vfs_open+0x3e/0x330 fs/open.c:1089 do_open fs/namei.c:3774 [inline] path_openat+0x2c87/0x3590 fs/namei.c:3933 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416 do_sys_open fs/open.c:1431 [inline] __do_sys_openat fs/open.c:1447 [inline] __se_sys_openat fs/open.c:1442 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1442 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa51d778810 Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 19 8f 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 6c 8f 02 00 8b 44 RSP: 002b:00007fa51e621b70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa51d778810 RDX: 0000000000000000 RSI: 00007fa51e621c10 RDI: 00000000ffffff9c RBP: 00007fa51e621c10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa51d915f80 R15: 00007ffc16ca31f8 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup