Dave Martin e4be4d4942 tile/ptrace: Preserve previous registers for short regset write ...

commit fd7c99142d upstream.

Ensure that if userspace supplies insufficient data to
PTRACE_SETREGSET to fill all the registers, the thread's old
registers are preserved.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-02-01 08:33:02 +01:00

7.7 KiB

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