Re: Userspace process may be able to DoS kernel

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On 10/12/06, Joerg Platte <[email protected]> wrote:

Not that easy, since it takes a few hours to be able to trigger the bug. I
tried to record the system calls with strace but without success. Skype did
not cause any lockups and then crashes... Maybe the timing is too different
with strace.
According to [1] there are several anti-debugging techniques used in
Skype. I.e. if it notices some sort of debugger it will crash (on
purpose).

bye,
/gst

[1] www.blackhat.com/presentations/bh-europe-06/bh-eu-06-biondi/bh-eu-06-biondi-up.pdf
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