Re: Slab corruption after unloading a module

[Arjan van de Ven]

On Tue, 2006-04-18 at 10:08 +1200, zhiyi huang wrote:
> >
> >> There was no problem if I just load and unload the module. But if I
> >> write to the device using "ls > /dev/temp" and then unload the
> >> module, I would get slab corruption.
> >
> > you return different value as what has really been consumed:
> >
> >>         if (*f_pos + count > MAX_DSIZE)
> >>                 count1 = MAX_DSIZE - *f_pos;
> >>
> >>         if (copy_from_user (temp_dev->data+*f_pos, buf, count1)) {

this is still buggy.. what if f_pos is huge???


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