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Message-ID: <56541AE8.2070704@oracle.com>
Date: Tue, 24 Nov 2015 09:08:08 +0100
From: Vegard Nossum <vegard.nossum@...cle.com>
To: Richard Weinberger <richard@....at>,
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: WARNING: CPU: 0 PID: 913 at fs/inode.c:275 drop_nlink+0x4b/0x50()
On 11/23/2015 11:21 PM, Richard Weinberger wrote:
> Am 23.11.2015 um 08:55 schrieb Vegard Nossum:
>> With the attached vfat disk image (fuzzed), I get the following WARNING:
>>
>> WARNING: CPU: 0 PID: 913 at fs/inode.c:275 drop_nlink+0x4b/0x50()
[...]
>>
>> To trigger it, you have to do a rename("/mnt/a/b/1", "/mnt/1"), where
>> /mnt is your mountpoint.
>
> Not here. All I get is:
> FAT-fs (ubdb): Corrupted directory (i_pos 244)
>
> Did you something before the rename()?
No, nothing before the rename.
Did you use mv to generate the rename()? Then you may have to do 'mv
/mnt/a/b/1 /mnt/', otherwise it ends up doing rename("/mnt/a/b/1",
"/mnt/1/1") which only shows the message you saw. Let me know if this helps.
Thanks for having a look,
Vegard
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