Messages in this thread | | | Subject | Re: Slab corruption after unloading a module | From | Arjan van de Ven <> | Date | Tue, 18 Apr 2006 00:09:20 +0200 |
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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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