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    SubjectRe: situation with signals
    On Wed, Oct 27, 2010 at 06:51:12PM -0400, Chris Metcalf wrote:

    > > BTW, is everything in your pt_regs safe to modify?
    > What an interesting observation. :-) In fact, it would be possible to
    > overwrite the privilege level (the ex1 register) from within the signal
    > handler and then return to run arbitrary code at kernel PL. I'll fix it.

    Then you need to be careful with that in your ptrace as well (POKEUSR and

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      Last update: 2010-10-28 01:33    [W:0.019 / U:3.056 seconds]
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