Messages in this thread | | | Date | Sat, 6 Jan 2018 12:23:47 +0000 | From | Alan Cox <> | Subject | Re: [PATCH 14/18] ipv4: prevent bounds-check bypass via speculative execution |
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On Sat, 6 Jan 2018 10:01:54 +0100 Greg KH <gregkh@linuxfoundation.org> wrote:
> On Fri, Jan 05, 2018 at 05:11:10PM -0800, Dan Williams wrote: > > Static analysis reports that 'offset' may be a user controlled value > > Can I see the rule that determined that? It does not feel like that is > correct, given the 3+ levels deep that this function gets this value > from...
On a current x86 you can execute something upwards of 150 instructions in a speculation window.
Alan
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