From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f80.google.com (mail-oo1-f80.google.com [209.85.161.80]) (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 0EBF9357727 for ; Fri, 5 Dec 2025 18:44:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764960270; cv=none; b=Z/AQNUpAWp8BP3eQtQiJepk1+IXLuwYdzjGvbP0LNeHFv/JWvm2qPKH+NljHIBK21q3FGL805LcoSpT2Aa+A78anL+n95Y8aT5iwjZGIUU5xjeTjA9UFDQfIFfZPy5uEP4y+8lbn2XL7w6G/qp0sdrDYmEAdL9o4+0uJkqS9FjM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764960270; c=relaxed/simple; bh=376EkUtstyPqokHyLamdbeNZmypuQg9mNXcum3Q5wiY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=V3JnuGMMYrr0Tziq31XUJp0HB48gqvx6BlbpXBPdwwZPHHtDrXT1E0272XIyn7VNuZZusSPxVOGMvWHOOJoEFzUdtSan4xS524q1wnW52TwUbhHgET2ThODTCtF5sNbqiAkjGLjuVgrSRKwDbsdhPmDmEeaR2hF55mafKJxgHt0= 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=209.85.161.80 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-oo1-f80.google.com with SMTP id 006d021491bc7-65997ee5622so496136eaf.1 for ; Fri, 05 Dec 2025 10:44:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764960268; x=1765565068; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=n0tNLufnTK9KOyNdYBdVYrKtKFg5E2kjtYO+X5LmUZU=; b=lNEtaQcKwpEk2cjam7I087h1rrezxGKzHJBZR+WueRaRQVzaFgOw6VbcPk51UE9jmb 9muO1UMnoBLEwyITxBIfqislx8YNfLSDyXiQSPZMlfJLZaNWeiELS9juo6U6u1ta1xsQ xyUWFf7bhX+XQBqyM1arBgm2spUHTq4SqQpkrUSJxy/NqTkp8yX2aGqfoASlk+qJqXEd M2CI5Mivc9hF/9dE+qzAxsxwYZ+a6coUA2hBVqjXDdTBmTOC/lFP5sG2nmus10CwNBI+ uk5M88wJP7aOpDThykbet7axnq+UWbYK1E7g9lD7saA249qR7FiCXX0TBqjUDQKEz3j6 AKBg== X-Gm-Message-State: AOJu0YyuMiIVxoHykFay0LISrKZ9i17NfX/bbwViC7WToDJf8hAyTPQg EzFj3pLNJv5St5wMb3uWwekGZMcywf5K0lCURWDnJZRHcYUeC4Pse1forihIVRQ2Jiiap/TSDpO wFcx/H8qm3W5sM2fmZX63yvyZomcujpnXPiQEUQwYZewM3GhGpbAj2ut8hy5X6Q== X-Google-Smtp-Source: AGHT+IEHvG4rrvyz1HtIqlk5O58y+LO2xwRpMieXcAeIFkehYhebEw9sLsxuxthhHkbed7iZZeXGF4LOXMz2VlTLJakBMMlhgto+ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:f016:b0:659:9a49:8e8c with SMTP id 006d021491bc7-6599a8a007bmr101225eaf.16.1764960268181; Fri, 05 Dec 2025 10:44:28 -0800 (PST) Date: Fri, 05 Dec 2025 10:44:28 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6933280c.a70a0220.243dc6.000f.GAE@google.com> Subject: [syzbot] [sound?] WARNING in update_rq_clock 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: 3f9f0252130e Merge tag 'random-6.19-rc1-for-linus' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=139954c2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d26d579b55a35755 dashboard link: https://syzkaller.appspot.com/bug?extid=9bcc3c097b2741b0b3d4 compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, 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/31d3e2efa35c/disk-3f9f0252.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/289b98490179/vmlinux-3f9f0252.xz kernel image: https://storage.googleapis.com/syzbot-assets/bdf40a8f97b1/bzImage-3f9f0252.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9bcc3c097b2741b0b3d4@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: kernel/sched/sched.h:1547 at lockdep_assert_rq_held kernel/sched/sched.h:1547 [inline], CPU#0: syz.2.23/6074 WARNING: kernel/sched/sched.h:1547 at lockdep_assert_rq_held kernel/sched/sched.h:1545 [inline], CPU#0: syz.2.23/6074 WARNING: kernel/sched/sched.h:1547 at update_rq_clock+0x34a/0xc70 kernel/sched/core.c:837, CPU#0: syz.2.23/6074 Modules linked in: CPU: 0 UID: 0 PID: 6074 Comm: syz.2.23 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1547 [inline] RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1545 [inline] RIP: 0010:update_rq_clock+0x34a/0xc70 kernel/sched/core.c:837 Code: ab 48 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc a8 04 0f 84 9c fd ff ff 90 0f 0b 90 e9 93 fd ff ff 90 <0f> 0b 90 e9 4f fd ff ff 48 8d bb 18 0e 00 00 48 b8 00 00 00 00 00 RSP: 0018:ffffc900053179a0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b853ab80 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8d87a111 RDI: ffffffff8bd1d700 RBP: 0000000000000001 R08: ffff8880b843b688 R09: fffffbfff20cc09a R10: ffffffff906604d7 R11: 0000000000000001 R12: ffffffff90663534 R13: ffffffff8db376a0 R14: ffff88801f3f0000 R15: ffff8880b853ab80 FS: 00007f4eba4206c0(0000) GS:ffff888124ba3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000417000 CR3: 0000000023368000 CR4: 00000000003526f0 Call Trace: pick_next_task kernel/sched/core.c:6080 [inline] __schedule+0x212d/0x6150 kernel/sched/core.c:6797 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:7039 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irq+0x44/0x50 kernel/locking/spinlock.c:202 spin_unlock_irq include/linux/spinlock.h:401 [inline] snd_rawmidi_write+0x48c/0xc10 sound/core/rawmidi.c:1615 vfs_write+0x2a0/0x11d0 fs/read_write.c:684 ksys_write+0x1f8/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4eb958f7c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4eba420038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f4eb97e5fa0 RCX: 00007f4eb958f7c9 RDX: 000000100000e3d9 RSI: 00002000000000c0 RDI: 0000000000000002 RBP: 00007f4eb9613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4eb97e6038 R14: 00007f4eb97e5fa0 R15: 00007ffe623eab68 --- 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