Re: WARNING: CPU: 0 PID: 913 at fs/inode.c:275 drop_nlink+0x4b/0x50()

[Vegard Nossum]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/