From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f208.google.com (mail-oi1-f208.google.com [209.85.167.208]) (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 E0F8E48C3E3 for ; Wed, 15 Jul 2026 15:55:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784130945; cv=none; b=gAvJv3i0goq7E6WCywo4zj/kcj889zh7LemKJpnV4b9np2YzdkiVoMKPosSb0wImElcVT8StF2NVXv+78tn0Y5Rq9yvMzib5uDAA612l5Yybnw3k8BOVqU9OoE6aBeMMfLMQh+SxmegXPt/QmGhE6StdQ9pmB3yb7kmNwybEYcs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784130945; c=relaxed/simple; bh=zVecCS1lyCOKkWjg7oFuB0o7VMxchF4rQf5ZuvNc40I=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SkQbndues6uiLRYENFiQfj8xqA7gkfHvrOi4WA+qAv5LWFwZzh1l2AJW5ntE+oViZvHmfUoXMq5Gi6E+2ZpxLKSsaW6STRMBA8bOGmNNinqpn2Jwh9iGjMqieuAjHjXVyAkE5kWBe+E6CDfSVfFKpJLc0+wgckGCHlvYLkhC3e4= 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=209.85.167.208 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-oi1-f208.google.com with SMTP id 5614622812f47-4a416619e8dso4535791b6e.1 for ; Wed, 15 Jul 2026 08:55:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784130938; x=1784735738; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=1/u3xz2h1RcRBc316nhPyRMKvLzH8AbErzNOaA9h2z0=; b=l5L0sKvfnG7j0981azcark9eJVqnla3FRyqZ7p1XVmYCuMA08sJSPGcREXDiT9Ln0V 6T7Mxr75ktm1tqoATkUMFyvr17Kl3W1JTir7vryOpPh0zuntN3xQCHMopjq/0PNGhWLv zw72FIOI2dUlBlN4OfT2vnstanZIH6k5Dxz4i2f7/z0tGnpRdHBdcBa1PpMR0byzpXJo ZJi36mxNTMTjBMkXWBS6I22rWy460iVvU1CIGIF4v9NiTiwMOJ5jnOQR9s4MVdJz/NW3 a0pRNdY1BWTW4YwahUhwYXQ+UZssmuC3YHftOad9Xwictj4tOf+8tKDB2xwTSHUKDngf 2TiA== X-Forwarded-Encrypted: i=1; AHgh+RrY9IjJffX+TzqUvmUNvKWsTUxL9gcZq/sDAPnBn+BTbPVdEHPFsvNlQN5O6R1nNTlIdLWyY3+AG/O9Rnc=@vger.kernel.org X-Gm-Message-State: AOJu0YzuTPa7WCiXa6nT26G3X7i+vP/Pd1jmQ+oMxpjTe0Gax/F4JzZo CC871aolIu28bBlJlk2Vx5uZ+GQ/4Ugwy0LNNllcPgtsXhIfu9BED/e2k2WGA0GsibE9zI85Mk9 pOLzwancGa31BCTzPhxB+xB2WwLXKiV/dd7Jexr/DwSO/Cc16CFL7DcxBnAE= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1b1f:b0:492:c9a4:2104 with SMTP id 5614622812f47-4a40ed645ccmr13773526b6e.10.1784130938408; Wed, 15 Jul 2026 08:55:38 -0700 (PDT) Date: Wed, 15 Jul 2026 08:55:38 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a57ad7a.9d83364e.246513.0005.GAE@google.com> Subject: [syzbot] [jfs?] WARNING in jfs_rmdir From: syzbot To: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 61c03dfde854 Merge tag 'ntfs-for-7.2-rc3' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16629346580000 kernel config: https://syzkaller.appspot.com/x/.config?x=98da55a882774dfe dashboard link: https://syzkaller.appspot.com/bug?extid=25d73e804a7282b9e58c compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/d385979e346e/disk-61c03dfd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f89492e21ce4/vmlinux-61c03dfd.xz kernel image: https://storage.googleapis.com/syzbot-assets/6cc3d24a8a29/bzImage-61c03dfd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+25d73e804a7282b9e58c@syzkaller.appspotmail.com ------------[ cut here ]------------ inode->i_nlink == 0 WARNING: fs/inode.c:408 at drop_nlink+0xc5/0x110 fs/inode.c:408, CPU#1: syz-executor/5601 Modules linked in: CPU: 1 UID: 0 PID: 5601 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:drop_nlink+0xc5/0x110 fs/inode.c:408 Code: 40 09 00 00 be 08 00 00 00 e8 37 32 ea ff f0 48 ff 83 40 09 00 00 5b 41 5c 41 5e 41 5f 5d e9 92 28 01 09 cc e8 ec c2 80 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:ffffc90004effc30 EFLAGS: 00010293 RAX: ffffffff82447654 RBX: ffff888060720440 RCX: ffff88803789be00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1f5efdf R12: 1ffff1100c0e4091 R13: dffffc0000000000 R14: ffff888060720488 R15: dffffc0000000000 FS: 000055557213a500(0000) GS:ffff888125d49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd1d9243000 CR3: 00000000555fe000 CR4: 00000000003526f0 Call Trace: inode_dec_link_count include/linux/fs.h:2262 [inline] jfs_rmdir+0x416/0x850 fs/jfs/namei.c:395 vfs_rmdir+0x3e9/0x6b0 fs/namei.c:5381 filename_rmdir+0x292/0x520 fs/namei.c:5438 __do_sys_unlinkat fs/namei.c:5613 [inline] __se_sys_unlinkat+0x71/0x1a0 fs/namei.c:5606 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1f4f15cf77 Code: 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcc0c7a848 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f1f4f15cf77 RDX: 0000000000000200 RSI: 00007ffcc0c7b9f0 RDI: 00000000ffffff9c RBP: 00007f1f4f1f32ca R08: 0000000000008560 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffcc0c7b9f0 R13: 00007f1f4f1f32ca R14: 0000000000043463 R15: 00007ffcc0c7dbb0 --- 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