From nobody Sun Feb 8 05:27:20 2026 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 821821D555 for ; Sun, 2 Nov 2025 12:47:16 +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=1762087638; cv=none; b=A4PJL6NjsaxBclUYF6N6Kw40NBzARGcWG/tSuCDlcbAtO2oFyGn7rmPVl03yOnLvrRrjEBrc64jeH9J33sS3lvjmTpG1aGVnCt2td5KYqsWBrjtmQfHNJbgLtvq1jGaHhOdmlKDNqOdo7qUK7Ho//lszIGHRm4QtjaMabXCaJXI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762087638; c=relaxed/simple; bh=y9Vv7G7El0oy4wMYPNL+VtbTM1gZZYSb4xipHKSztWw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=lfKwll12zA9CWu1gOrCHwx2MEq4FNRuZp9aCFx/I+CqtRBoTyxnvYp3UhnDqwmHmxxG217wNe7GK4mMy2+h0MLZVWJ+6UF94ED0hZQq7MF0j2JMiK0uSbBqk/PlxdZ0h8w7w1qpq+n+Tj2W6l4qjvNiwgIosOVzLzMjK/Jp41+0= 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-433199c7fb4so17385675ab.3 for ; Sun, 02 Nov 2025 04:47:16 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762087635; x=1762692435; 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=ae9rt8H7wB3/jIHrXppXwJTzQbdCylhJD3d2xsB7iBo=; b=wvir25WvGoIMSr6WqfJRv6CC7du+D48eRV1ngSBJnE0Z+Kp8e6Hnz9i/SwzNfP+UzP Xusdbrajn3By+wpGEGIQVbUgbNqEQ6mGwcp969IexPFgHvCUFQx3ZVVASYJwQbylABee 0e+OUsueYFYIYHLkC4VCjT9gv8yRJkEf40YnefNDpGX1V0jDzq/TSBN2RT79FTIk8CLX 0e+++ZFmCjV27mGf+3nUAm0rC66/uHLwwmO2W7Dv0dcBx/eziKbWMXCVR+ynvmoJ9MsT X0wyFEULrxDAME0JbhB9AxUGUh9AMGt+JPaIZwpFW/tl+acwVQA6o3TEw9/THFYthf9Z TgCw== X-Gm-Message-State: AOJu0YztfR79arfvbt7XiISyVFk9DVbe9+Ch8MqCRYgrxQRRZe8iSoPA taRMfX0rfmWPLbiWQIjSBYHzQRI3VvBW7GGGrSfjqFRn873MpMiCE9jnn5JoT4hJRY8BQykvtbw nWVWC2OsqD4y2A+yrKuNe2SbIv/9EqAlmFXZ/ot8IqDWQ0Dhw5+YQFK4cjJ8= X-Google-Smtp-Source: AGHT+IGZGwc+X7c2r1zbw0xoyOmOg79jiER79MdBbnDnxsgtazdUzDIWtsn8kXn4Ep1dUhe2FX5sX7AxD+IC4PkAKom/NtjHTYY1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:240c:b0:433:27e9:8690 with SMTP id e9e14a558f8ab-43327e98e50mr32191815ab.21.1762087635642; Sun, 02 Nov 2025 04:47:15 -0800 (PST) Date: Sun, 02 Nov 2025 04:47:15 -0800 In-Reply-To: <677e6cd2.050a0220.3b3668.02e7.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <690752d3.050a0220.29fc44.001d.GAE@google.com> Subject: Forwarded: From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject:=20 Author: jkoolstra@xs4all.nl #syz test --- fs/minix/minix.h | 2 ++ fs/minix/namei.c | 26 ++++++++++++++++++-------- 2 files changed, 20 insertions(+), 8 deletions(-) diff --git a/fs/minix/minix.h b/fs/minix/minix.h index d54273c3c9ff..ce62cb61186d 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -168,4 +168,6 @@ static inline int minix_test_bit(int nr, const void *va= ddr) =20 #endif =20 +#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ + #endif /* FS_MINIX_H */ diff --git a/fs/minix/namei.c b/fs/minix/namei.c index 8938536d8d3c..a8d5a7e22b7b 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -161,15 +161,25 @@ static int minix_unlink(struct inode * dir, struct de= ntry *dentry) static int minix_rmdir(struct inode * dir, struct dentry *dentry) { struct inode * inode =3D d_inode(dentry); - int err =3D -ENOTEMPTY; - - if (minix_empty_dir(inode)) { - err =3D minix_unlink(dir, dentry); - if (!err) { - inode_dec_link_count(dir); - inode_dec_link_count(inode); - } + int err =3D -EFSCORRUPTED; + + if (dir->i_nlink <=3D 2) { + printk(KERN_CRIT "minix-fs error: directory inode has " + "corrupted nlink"); + goto out; } + + err =3D -ENOTEMPTY; + if (!minix_empty_dir(inode)) + goto out; + + err =3D minix_unlink(dir, dentry); + if (!err) { + inode_dec_link_count(dir); + inode_dec_link_count(inode); + } + +out: return err; } =20 --=20 2.51.1.dirty