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(parent: a757a99) | patch
mips/ptrace: Preserve previous registers for short regset write
authorDave Martin <Dave.Martin@arm.com>
Mon, 27 Mar 2017 14:10:58 +0000 (15:10 +0100)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 29 Mar 2017 15:54:17 +0000 (08:54 -0700)
commit016d14895c59649e1422968c49a3f9c968631f02
treedeec6900fdc5a75b61feafa6dd82e33af6318f51tree | snapshot
parenta757a996d90d91a48a7328dcc7f46b4a4a85d936commit | diff
mips/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.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/mips/kernel/ptrace.c diff | blob | history
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