From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 DD59B2F26 for ; Sun, 24 Nov 2024 01:37:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732412235; cv=none; b=WwOyc4XIGb8GGT4OzhIui+1vXYwWvMqoLW/kldkl70Fv5LvSWHvRFDBNQCSaJzmw1AkUjf3AldkWI7oPXiPUOLF3wX29ZvBK06N2TJCOxKOAGHBu+D9Xdv84CWtiXofSD7L/wpFdu72vNhCdyPhB3bJONCgNX6Ja/Vef8UnNJpk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732412235; c=relaxed/simple; bh=DYPv4Cwqyoodl98auioqnEAOQyLJt+6xLE3/8cYhzvU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=F558SsX3Hgd2j+ZQvEMGUgM/86ZA3Vqvt6UboC9bGoecynCMqX1/yEF6vt8I8ZJ9Pcsh35rg1JRF0oOwHUaAbUaPF1I7RxcamZ77rp+LC0uTq6VDmvwPAUY6lHmfVGaJeDhYTHpVx01Yy4s4Af9jkAshDSP7+HLFAw/NPduOs+4= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-3a7932544c4so30099145ab.1 for ; Sat, 23 Nov 2024 17:37:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732412233; x=1733017033; 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=yS/IrxH46OcEqwY50qT390modqzLZ/q88tT9O4PWKEY=; b=rGQP+0ewUuiO259dLIe2ID5R3sTOIW6GmYUefs7+luG48tzGkLiMmD55ZwvJYU+Zeg FY0gqhucSLw6ijaHRT0vvwhBV7W7GTdlE7fFogPYzpmRwozPa5SxAwGOdRc9/ziwuJ0a i+EjpOMoXzHwIYzlB5y23wJY1FBv6L/nE+90kNgZkw1sP6mu/XHW2PefAHzAYNX8Qnsm xkJz7KlD16splxSwVwyrlIWkfidWvBBk0iKM7urSWYD6Omy+A+XRgpxIgVf1aQ1B64WL AGK40xMP4a0Lb1ijils48hdxFpdkpt/NR8oEF+qbTNIavielX7E7JOjxicihi7ob6Eaa nDsg== X-Gm-Message-State: AOJu0YwF3Dz/XBdWIvdH87e/xgifyR3XZudf7Y83t81GtF8V2Ep4gIVq 0LEyjpTNdH0Ho4ZK3TM+JacteQhcxIV8lb8o4UO7NmoOuc2EfG+Ibe44YqUHq/vAgPS1S8tj4HT 4pFJS8ZXgIFOpRrYjUYCLcpn/3H5b9fLDeg7bF1ya3XbDGW0WgXD0i3o= X-Google-Smtp-Source: AGHT+IGYxgRkKyaskYV3vHW3Evqv4AlImzAMQHHVEIBSzE/Ii2RsJ9sZaKDpMt0cKE4fet9Ae/ruBaHca5u5ts0Dp0cxzV+gUpPS Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a8d:b0:3a0:c820:c5f0 with SMTP id e9e14a558f8ab-3a79aff56a7mr90848265ab.24.1732412232937; Sat, 23 Nov 2024 17:37:12 -0800 (PST) Date: Sat, 23 Nov 2024 17:37:12 -0800 In-Reply-To: <6740a00c.050a0220.363a1b.0144.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67428348.050a0220.1cc393.0027.GAE@google.com> Subject: Re: [syzbot] Re: [syzbot] [f2fs?] WARNING in f2fs_delete_entry From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com 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: Re: [syzbot] [f2fs?] WARNING in f2fs_delete_entry Author: leocstone@gmail.com #syz test --- fs/f2fs/inode.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 1ed86df343a5..65f1dc32f173 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -372,6 +372,12 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page) return false; } + if (inode->i_nlink == 0) { + f2fs_warn(sbi, "%s: inode (ino=%lx) has a link count of 0", + __func__, inode->i_ino); + return false; + } + return true; } -- 2.43.0