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 579464AEE2 for ; Tue, 24 Jun 2025 17:02:27 +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=1750784548; cv=none; b=Zzeukw5DWCwWxv1HhoQlX01cVQjvpjoGH8Sopwx9TG8wx08xVQ1AsQebLUnFbYUNPgo4uxf71YX7k83ORGUGDemJx5cE15sG0JsfyaJ17QzklD7FxwabQzscZm29v2dEpYaiU1Z+OFnL3O+n9bPk+DzdWWWYLnYrC4k/jWLRINk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750784548; c=relaxed/simple; bh=rVT5B2iWZZr9OKkNpthk5FE/RUvJxgj/XBpIPkA+dVY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=I4crjkuz0EymfxN/GHY5VNE4UaWNZmF/BWWN6ka21lcLq3qSPWzjHhdyC7TbvSDqY6VbsOYs1B+/zqoc4WTehqZerG9icJ1BEhEPxWM/Q3icy8d8TthcGiI9v2JJ12uJ6YaC+hpfGddjiBw4NOwZJjl4ufoRQoDJnsJ2GAv50p4= 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-3ddbec809acso10300645ab.2 for ; Tue, 24 Jun 2025 10:02:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750784546; x=1751389346; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=RLFH6eoxt7bnwcvodcPHkdsqctyfANQtqy/+9gnynnQ=; b=jLfaSl2TcW413MHhVqK7r7LqzDw3rYT4yHrg/x0DrSS3W5Ogm5Y6fdzXfl4vjmGgDB d/p2P/JpLlImPnEZnEhgfsHMo07m92YpYsBJ7xtwWpuz+GF9O6DkDVfzVC+3gD5+K4W5 i498JqOwf61YtULXumS4Xb2jD56yR3IR1hsHUtdKmN9TFX261FgVDiWsrtDpvHCPkqEJ L1RxXR9HpsYJ0N1uU/Ib4KvnKvxZJwkGcefOFzTzqTlU5gFa4pzeZD248rOFnS/e8VLm qyo3v5vrgjL9tssGSe4/P95uhrbyF3nSu54qEdE3nRjMgdK7M03oyv2vhHHFWhiurJkl IaVg== X-Forwarded-Encrypted: i=1; AJvYcCV1dHQ18+E9RhxKlS9sFOs1QW0rKC0C79HPWDocLMM0uM8tzpS9fOs/xDs/itP3CRP57jSGCMRM9E+hqeU=@vger.kernel.org X-Gm-Message-State: AOJu0Ywexg8reTvJggg2VFN30gF9QEuIb+Typ3z+T76/0Pgo885+NgDl Rijx1X5DcVAXjnv8qx4Vu14eG1Hsmv4RB3SOeaUxdlwH7D3HZHGgNMBfC6fI2HFu/biN4iIxn4S ELQA5+yVXUDjyuLjh3v1z1T1XOrM+b684Uil0eM0S7Lh/O4542/QIHcuWxIY= X-Google-Smtp-Source: AGHT+IFALlkKleQrrNMPzjarn8EpBeg13EQeNdOqET3QREb0fiA0vwwaEcVn7iiFB8i08VNs4qk2heQG9gVsU6i5dFCiuESZbVvx Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3b83:b0:3dd:c4ed:39c0 with SMTP id e9e14a558f8ab-3de38c159a7mr227556445ab.1.1750784546405; Tue, 24 Jun 2025 10:02:26 -0700 (PDT) Date: Tue, 24 Jun 2025 10:02:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <685ada22.a00a0220.2e5631.0089.GAE@google.com> Subject: [syzbot] [fs?] WARNING in minix_rename From: syzbot To: linux-fsdevel@vger.kernel.org, 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: 78f4e737a53e Merge tag 'for-6.16/dm-fixes' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10b29182580000 kernel config: https://syzkaller.appspot.com/x/.config?x=28cc6f051378bb16 dashboard link: https://syzkaller.appspot.com/bug?extid=a65e824272c5f741247d compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1446370c580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/560a423a60ad/disk-78f4e737.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9e97e18d85b9/vmlinux-78f4e737.xz kernel image: https://storage.googleapis.com/syzbot-assets/a147a5a27c6e/bzImage-78f4e737.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/2c4c332ed1d0/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=12276b70580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a65e824272c5f741247d@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6388 at fs/inode.c:417 drop_nlink+0xc5/0x110 fs/inode.c:417 Modules linked in: CPU: 0 UID: 0 PID: 6388 Comm: syz.6.27 Not tainted 6.16.0-rc3-syzkaller-00042-g78f4e737a53e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:drop_nlink+0xc5/0x110 fs/inode.c:417 Code: 78 07 00 00 be 08 00 00 00 e8 c7 35 e8 ff f0 48 ff 83 78 07 00 00 5b 41 5c 41 5e 41 5f 5d e9 42 01 29 09 cc e8 fc da 86 ff 90 <0f> 0b 90 eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff RSP: 0018:ffffc900030c7a30 EFLAGS: 00010293 RAX: ffffffff82397124 RBX: ffff888055405aa8 RCX: ffff88802da29e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8f9fe1f7 R09: 1ffffffff1f3fc3e R10: dffffc0000000000 R11: fffffbfff1f3fc3f R12: 1ffff1100aa80b5e R13: 0000000000000000 R14: ffff888055405af0 R15: dffffc0000000000 FS: 00007fb57180a6c0(0000) GS:ffff888125c83000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb571809f98 CR3: 0000000032278000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2634 [inline] minix_rename+0x3cf/0x700 fs/minix/namei.c:222 vfs_rename+0xb99/0xec0 fs/namei.c:5137 do_renameat2+0x878/0xc50 fs/namei.c:5286 __do_sys_rename fs/namei.c:5333 [inline] __se_sys_rename fs/namei.c:5331 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5331 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb57098e929 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:00007fb57180a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007fb570bb6080 RCX: 00007fb57098e929 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000200000001980 RBP: 00007fb570a10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fb570bb6080 R15: 00007fffa5abc5a8 --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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