From mboxrd@z Thu Jan 1 00:00:00 1970 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 smtp.subspace.kernel.org (Postfix) with ESMTPS id EC3D4E56E for ; Tue, 1 Oct 2024 02:10:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727748608; cv=none; b=MPJSATFLRWRhPvmBKx6si2nJG4hC7mwc1VU0RFA4g6TtOgbZBxsotnIEKGdgvTbV3t0oCA7jIhc2biYSxRGTG4bSV0retSYidbmJStfyQkFBOQkffIaKqsm11/ww+ru9iGUecuxeXQthe5/u+nhAsA7pF2xWkJtY6giWrbqRkoo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727748608; c=relaxed/simple; bh=ruaHQCGXsjc5VXw5PYpTuYggqU9AiXCr5R26Q0TZTww=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=HEmt9np6VjFaPx1U1Rk7PaTawX8ZtH7Dzo6/0Mv+c5T8rbzlAFiE5SJls+vDnnm3H1x29BUpORvXt+K5BCNlONITW1PdCvHzexpgasK8HRwACof5Dl3bJbKBdKGl9ZQG0RW8UQWmvQNSkEliUKyt3jC3FBWe8OXVoblLzUgxVPQ= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3a1a2af837dso52042275ab.1 for ; Mon, 30 Sep 2024 19:10:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727748606; x=1728353406; 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=btAbkw6f+Bc4dfQ33+sTkS8ppO38+HKoOwtSvmi2ZqE=; b=KPAj5pMyWzGotDxf5cYYVS+brB74icmS+/J+T0EhsZoGfk40OnlfJFrOcikOvNxGcM ue/ivX6AxHMo2+BcY7TnWqenN8rN6ZUJsiywRo7oXipSKWykFBc9Hy8NruwCo/bZVwmm yQ8Lnl+pQGM8Q387xvDmdvCT9DJ50u+BTzbbejhLwqA3+JllIwp0yIPqJ+koi7U2/xaE lhpJvUHnhfrJ6g8ufwSgvQxEEGLWY2k3zyTZX2y8Wx9ff0NBcJDmhqxt53WZSBavDxwa uCdSstM/Dw5u+F/UdAGMi/AMTx08GDTtxUhuBgDK0itX4/VEOa4zCayynVaHURsOzALP CjOw== X-Forwarded-Encrypted: i=1; AJvYcCWkk9EOHlFg4ZogdFG6TKwSh1n1RYrZywqwGq38JA3I9FBkYNjWEdyeAhbt6PmlIgnftsSLo0M+w8zXkok=@vger.kernel.org X-Gm-Message-State: AOJu0YzsprIEJa3qPgByD7mBQTwFGRyaB1GVD1jfy5wWaiH6VoDBjv3M hO2mdWy/PI9IjNUvI4lBV9w12KdTN7CqjrWhBF2eUnO/hzmzJnrfN7OoQbZRZ5spBnrGUHbqJCR nHEcAPzn2/NxlTvCFvdLaW6QnyhjaDj3W/bMIQdkvfz9gi2gPyTucea4= X-Google-Smtp-Source: AGHT+IGflYZ015LTrV0Qd2psSyR7NKuJFJWhk0eLUh2f//nTWiH2zz8cemNukf8MRkP79/XIoRL2fLxbCKv+J3PQvwsqgBORfddn Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c541:0:b0:3a0:ca91:2b4e with SMTP id e9e14a558f8ab-3a35eb01da8mr11395605ab.3.1727748606067; Mon, 30 Sep 2024 19:10:06 -0700 (PDT) Date: Mon, 30 Sep 2024 19:10:06 -0700 In-Reply-To: <20241001014939.1736-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <66fb59fe.050a0220.aab67.003d.GAE@google.com> Subject: Re: [syzbot] [kernel] WARNING: locking bug in try_to_wake_up From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in close_ctree BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf assertion failed: list_empty(&fs_info->delalloc_roots), in fs/btrfs/disk-io.c:4327 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4327! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5820 Comm: syz-executor Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:close_ctree+0x912/0xd20 fs/btrfs/disk-io.c:4327 Code: ff ff 90 0f 0b e8 7e d1 da f5 48 c7 c7 40 30 4c 8c 48 c7 c6 80 60 4c 8c 48 c7 c2 c0 30 4c 8c b9 e7 10 00 00 e8 0f 9d ff ff 90 <0f> 0b e8 57 d1 da f5 48 c7 c7 40 30 4c 8c 48 c7 c6 20 7c 4c 8c 48 RSP: 0018:ffffc90002f6fb60 EFLAGS: 00010246 RAX: 0000000000000052 RBX: ffff888030de0f28 RCX: 618777cd44da3000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002f6fd00 R08: ffffffff81749d9c R09: 1ffff920005edf08 R10: dffffc0000000000 R11: fffff520005edf09 R12: ffff888030de0000 R13: dffffc0000000000 R14: 1ffff110061bc272 R15: 0000000000000000 FS: 0000555562490500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00191d740 CR3: 000000007010e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_shutdown_super+0x139/0x2d0 fs/super.c:642 kill_anon_super+0x3b/0x70 fs/super.c:1237 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2121 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9dd257f327 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd8c162128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9dd257f327 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd8c1621e0 RBP: 00007ffd8c1621e0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd8c163260 R13: 00007f9dd25f0134 R14: 000000000001c212 R15: 00007ffd8c1632a0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:close_ctree+0x912/0xd20 fs/btrfs/disk-io.c:4327 Code: ff ff 90 0f 0b e8 7e d1 da f5 48 c7 c7 40 30 4c 8c 48 c7 c6 80 60 4c 8c 48 c7 c2 c0 30 4c 8c b9 e7 10 00 00 e8 0f 9d ff ff 90 <0f> 0b e8 57 d1 da f5 48 c7 c7 40 30 4c 8c 48 c7 c6 20 7c 4c 8c 48 RSP: 0018:ffffc90002f6fb60 EFLAGS: 00010246 RAX: 0000000000000052 RBX: ffff888030de0f28 RCX: 618777cd44da3000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002f6fd00 R08: ffffffff81749d9c R09: 1ffff920005edf08 R10: dffffc0000000000 R11: fffff520005edf09 R12: ffff888030de0000 R13: dffffc0000000000 R14: 1ffff110061bc272 R15: 0000000000000000 FS: 0000555562490500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555624ab5c8 CR3: 000000007010e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Tested on: commit: e32cde8d Merge tag 'sched_ext-for-6.12-rc1-fixes-1' of.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1222ddd0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=1f009dd80b3799c2 dashboard link: https://syzkaller.appspot.com/bug?extid=8aaf2df2ef0164ffe1fb compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=169d1980580000