Boris Ostrovsky 70513d5875 xen/x86/vpmu: Zero struct pt_regs before calling into sample handling code ...

Otherwise we may leak kernel stack for events that sample user
registers.

Reported-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: stable@vger.kernel.org

2018-09-19 11:26:53 -04:00

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