From: Leo Stone <leocstone@gmail.com>
To: syzbot+82064afd8bd59070fc22@syzkaller.appspotmail.com
Cc: chao@kernel.org, jaegeuk@kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
yuchao0@huawei.com
Subject: Re: [syzbot] [f2fs?] WARNING in f2fs_rename2
Date: Tue, 26 Nov 2024 09:28:34 -0800 [thread overview]
Message-ID: <20241126172834.78149-1-leocstone@gmail.com> (raw)
In-Reply-To: <67450f9a.050a0220.21d33d.0003.GAE@google.com>
This looks like the same image with a deleted inode as in:
https://syzkaller.appspot.com/bug?extid=b01a36acd7007e273a83
#syz test
---
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;
}
next prev parent reply other threads:[~2024-11-26 17:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-26 0:00 [syzbot] [f2fs?] WARNING in f2fs_rename2 syzbot
2024-11-26 17:28 ` Leo Stone [this message]
2024-11-26 18:21 ` syzbot
2025-02-11 7:37 ` Chao Yu
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