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(parent: e1e277f) | patch
metag/ptrace: Preserve previous registers for short regset write
authorDave Martin <Dave.Martin@arm.com>
Mon, 27 Mar 2017 14:10:55 +0000 (15:10 +0100)
committerWilly Tarreau <w@1wt.eu>
Tue, 20 Jun 2017 12:04:38 +0000 (14:04 +0200)
commit1dc7c2d250c5d5900b9d3f40b2e6b2dc99bf0f63
treeb0bea2fa75cc1b39b7b684ce03511ae7a748b8f0tree | snapshot (tar.gz zip)
parente1e277ff7334f0d9765c28cf2ff02da5b4d434ffcommit | diff
metag/ptrace: Preserve previous registers for short regset write

commit a78ce80d2c9178351b34d78fec805140c29c193e 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>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
arch/metag/kernel/ptrace.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)