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Re: [PATCH 1/2] Linux/x86: Update cancel_jmp_buf to match __jmp_buf_tag [BZ #22563]

On 12/18/2017 12:42 PM, H.J. Lu wrote:

We need to restore shadow stack pointer here so that we can jump back
to the function where __sigsetjmp  is called.
But neither __sigsetjmp (when called the second time) nor the function that calls it return normally during cancellation, so it is still completely unclear to me what issue you are observing. 

Could you post a backtrace from the CET verification failure, please?

Thanks,
Florian
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