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(parent: 7d3e34e) | patch
sparc/ptrace: Preserve previous registers for short regset write
authorDave Martin <Dave.Martin@arm.com>
Mon, 27 Mar 2017 14:10:59 +0000 (15:10 +0100)
committerWilly Tarreau <w@1wt.eu>
Tue, 20 Jun 2017 12:04:37 +0000 (14:04 +0200)
commite1e277ff7334f0d9765c28cf2ff02da5b4d434ff
tree6d1ec6130d6c3879e6cfbb8382e8da3d61443980tree | snapshot (tar.gz zip)
parent7d3e34e259aaaea83cfb73d545bd60c8f579463ccommit | diff
sparc/ptrace: Preserve previous registers for short regset write

commit d3805c546b275c8cc7d40f759d029ae92c7175f2 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: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
arch/sparc/kernel/ptrace_64.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)