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(parent: 890fcdd) | patch
tile/ptrace: Preserve previous registers for short regset write
authorDave Martin <Dave.Martin@arm.com>
Fri, 6 Jan 2017 17:54:51 +0000 (17:54 +0000)
committerChris Metcalf <cmetcalf@mellanox.com>
Fri, 6 Jan 2017 20:14:08 +0000 (15:14 -0500)
commit12dbfd5ad5bc2dfd50dfdc223097a3c28f0e3d40
tree5fe0d6f6b165d867bb76c296c0afbb5b22c52f47tree | snapshot
parent890fcdd64047a0c9120b237799b69c2be8831d35commit | diff
tile/ptrace: Preserve previous registers for short regset write

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

Cc: stable@vger.kernel.org
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
arch/tile/kernel/ptrace.c diff | blob | history
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