projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 97a98ae) | patch
ARM: 8643/3: arm/ptrace: Preserve previous registers for short regset write
authorDave Martin <Dave.Martin@arm.com>
Wed, 18 Jan 2017 16:11:56 +0000 (17:11 +0100)
committerRussell King <rmk+kernel@armlinux.org.uk>
Mon, 30 Jan 2017 12:04:12 +0000 (12:04 +0000)
commit228dbbfb5d77f8e047b2a1d78da14b7158433027
tree755364110d50fc4deb8bbf4a5a228faac3122460tree | snapshot (tar.gz zip)
parent97a98ae5b8acf08d07d972c087b2def060bc9b73commit | diff
ARM: 8643/3: arm/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> # 3.0.x-
Fixes: 5be6f62b0059 ("ARM: 6883/1: ptrace: Migrate to regsets framework")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/ptrace.c diff | blob | blame | history