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).
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