From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 6F59D188596 for ; Mon, 23 Dec 2024 22:15:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734992131; cv=none; b=mEFHt+/mWJ/A4fFcss8AusRl5PCxg84oX9uzQMiQKH7kdd4jm+bPaAhb59djCQtuWPIGBiI9N0iKBDGOHd9eMRO9hBxpJxQGSyw/DxM0Vqfc4PkYBx0dVhxLD0VAwUOi3fHuBZ+NTl/TmdRrebvSsIW27zCJwysS+0gkiNR5j+c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734992131; c=relaxed/simple; bh=Cw8UWQpiKsvhmEdL0IWViF5ghb1eMFmTLuFI6rN5HiQ=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=dPYcSAvxwXlBFdmnWchwm6gj5N3ncUUNxUaxb6npIa66C2NhEg42QC1imqnkN80E52MOJECZNPCnZH072FoRR9W2TOV+qsB7Pdfxtp00r6DMpWumsXbU12iq9UpaB875VWcSSOoycp6G5mNJqvUEhaaqGGR7QeRvm9i9wPsuvH4= 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=209.85.166.207 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-f207.google.com with SMTP id e9e14a558f8ab-3a9d57cff85so88541435ab.2 for ; Mon, 23 Dec 2024 14:15:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734992125; x=1735596925; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=DOTVch9ENjh5G2hZPXYsxsV+NVS0MEGDFAzp5NggGZo=; b=AJUVw0M1ENFcIxfhefqDSmQw/g8VygECFYr0g2TxxaFnJZZbe4Qwfr8UK+Ja/t8BKU GMVp3MUEdgiJN6B68F9R6mqR+OEVtq1LA4CPQmZcG3dH/47C2k4GfnRtnYHnHbVVE4jY IDT+St5OetFGVzZjgAlqAWMzntaGQaqTLx8dUCz1UQDEydJH6CvsmvMVYN1jROCTNwef fGSxVeNrhUljSiUOgQuR5IbA6B6wmb9qMjQioqRHdbGOUn4IbFpsSfWOHi991QkuH4P1 QvMUVARAlQ7+AU8iR2CdbS3EdrvZur4X3gl+p8VkCSjs6yAR9CTFn/2W1H5H5NNC3OSF BReg== X-Forwarded-Encrypted: i=1; AJvYcCU4gEsZgEAzpIJNCL6shtwbWFB3nlwD9tG3TpRbzNyMpU0ywb4olg3Aue/hVB6s4CD3RM2cyORx8EN96f0=@vger.kernel.org X-Gm-Message-State: AOJu0YxY86i7NESmfWMOjU/mAJrEjVIUtiMUg6NIlvhTRfIBMo7e1tMR 9z62/vXScNeTudaakzZ/I+QaLj1rfRrrJ9KVNE9lxz2rgfi+gvDVgY5qieKin4+PWk3Tfn/YYft XkwmKD6HwgA0GrdOz7sz4yATixFbstyBX9EVcOBOF0uH1uhSJfLHuBv0= X-Google-Smtp-Source: AGHT+IGPeRMQL3aMwhdRAQ0M1vdTerKkog966OXNfFXn8MqyyOF6Eb5CcE69Hd8Npb8/iTWy3HQ00s8MCHM3cUXO5rPUebvd+4Mu Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2481:b0:3a7:2204:c83e with SMTP id e9e14a558f8ab-3c2d2782867mr158970395ab.10.1734992125514; Mon, 23 Dec 2024 14:15:25 -0800 (PST) Date: Mon, 23 Dec 2024 14:15:25 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6769e0fd.050a0220.226966.0045.GAE@google.com> Subject: [syzbot] [f2fs?] kernel BUG in f2fs_put_super (2) From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: baaa2567a712 Merge tag 'mmc-v6.13-rc2' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=112cf730580000 kernel config: https://syzkaller.appspot.com/x/.config?x=1234f097ee657d8b dashboard link: https://syzkaller.appspot.com/bug?extid=fbef817617f48116dbdd 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/816d068f9171/disk-baaa2567.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9b40d3a7d8cc/vmlinux-baaa2567.xz kernel image: https://storage.googleapis.com/syzbot-assets/e9af7e09d18f/bzImage-baaa2567.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fbef817617f48116dbdd@syzkaller.appspotmail.com F2FS-fs (loop1): detect filesystem reference count leak during umount, type: 9, count: 2 ------------[ cut here ]------------ kernel BUG at fs/f2fs/super.c:1667! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 7863 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller-00082-gbaaa2567a712 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:f2fs_put_super+0x1132/0x1150 fs/f2fs/super.c:1667 Code: fd 41 bf 0c 00 00 00 4c 89 e7 44 89 fe e8 56 5a 00 00 4c 89 e7 31 f6 48 c7 c2 00 ab 4f 8c 44 89 f9 49 89 c0 e8 1f c2 fd ff 90 <0f> 0b e8 c7 45 a5 fd 90 0f 0b e8 af 6b c6 07 66 2e 0f 1f 84 00 00 RSP: 0018:ffffc900045afae0 EFLAGS: 00010246 RAX: dab673f7b3e95800 RBX: 0000000000000002 RCX: dab673f7b3e95800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900045afc18 R08: ffffffff817f09fc R09: 1ffff920008b5ed0 R10: dffffc0000000000 R11: fffff520008b5ed1 R12: ffff88807e130000 R13: dffffc0000000000 R14: ffff88805514e084 R15: 0000000000000009 FS: 00005555840ad500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe765b6f28 CR3: 000000006e1b6000 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_block_super+0x44/0x90 fs/super.c:1710 kill_f2fs_super+0x344/0x690 fs/f2fs/super.c:4972 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:239 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:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff2c2d87057 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:00007ffe765b76d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff2c2d87057 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe765b7790 RBP: 00007ffe765b7790 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe765b8810 R13: 00007ff2c2e01894 R14: 00007ffe765b8850 R15: 0000000000000011 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_put_super+0x1132/0x1150 fs/f2fs/super.c:1667 Code: fd 41 bf 0c 00 00 00 4c 89 e7 44 89 fe e8 56 5a 00 00 4c 89 e7 31 f6 48 c7 c2 00 ab 4f 8c 44 89 f9 49 89 c0 e8 1f c2 fd ff 90 <0f> 0b e8 c7 45 a5 fd 90 0f 0b e8 af 6b c6 07 66 2e 0f 1f 84 00 00 RSP: 0018:ffffc900045afae0 EFLAGS: 00010246 RAX: dab673f7b3e95800 RBX: 0000000000000002 RCX: dab673f7b3e95800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900045afc18 R08: ffffffff817f09fc R09: 1ffff920008b5ed0 R10: dffffc0000000000 R11: fffff520008b5ed1 R12: ffff88807e130000 R13: dffffc0000000000 R14: ffff88805514e084 R15: 0000000000000009 FS: 00005555840ad500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4e760ce000 CR3: 000000006e1b6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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