On Fri, 2006-04-21 at 11:31 -0700, Andrew Morton wrote:
> Trond Myklebust <[email protected]> wrote:
> >
> > > I'd be guessing that filldir64() was passed a negative namlen.
> >
> > Why would that trigger a bug in __copy_from_user_ll()? I could see it
> > triggering errors in copy_to_user(), but not copy_from_*...
>
> Ah. No, I cannot see why getdents wold run copy_from_user().
>
> I wonder why that stack trace didn't come out. Perhaps running `dmesg -n
> 7' prior to triggerng the crash will help. (It shouldn't, but we might
> have broken it).
>
Also, please check that the kernel was compiled with
CONFIG_FRAME_POINTER and CONFIG_KALLSYMS.
Cheers,
Trond
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