Messages in this thread | | | Subject | Re: NFS bug? | From | Trond Myklebust <> | Date | Fri, 21 Apr 2006 15:34:47 -0400 |
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On Fri, 2006-04-21 at 11:31 -0700, Andrew Morton wrote: > Trond Myklebust <trond.myklebust@fys.uio.no> 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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