Messages in this thread | | | From | Duncan Sands <> | Subject | Re: [PATCH] bttv: correct bttv_risc_packed buffer size | Date | Thu, 26 Jan 2006 09:02:29 +0100 |
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Hi Bodo,
> > This patch fixes the strange crashes I was seeing after using > > my bttv card to watch television. They were caused by a > > buffer overflow in bttv_risc_packed. > > <snip> > > Would these errors e.g. cause a corruption of exactly four bytes at the start > of random pages?
I don't think so. It should cause either no corruption or at least 8 bytes worth (it does pairs of 4 byte writes). What you might see is an Oops when it tries to write the first 4 bytes at the start of a page, because of a page fault, but then the write doesn't happen and there is no corruption...
Best wishes,
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