Re: [PATCH 1/4] target/s390x: Fix CLC corrupting cc_src

[Richard Henderson]

On 10/30/23 22:32, Ilya Leoshkevich wrote:
> CLC updates cc_src before accessing the second operand; if the latter
> is inaccessible, the former ends up containing a bogus value.
>
> Fix by reading cc_src into a temporary first.
>
> Fixes: 4f7403d52b1c ("target-s390: Convert CLC")
> Closes: https://gitlab.com/qemu-project/qemu/-/issues/1865
> Cc: qemu-stable@nongnu.org
> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
> ---
>   target/s390x/tcg/translate.c | 7 +++++--
>   1 file changed, 5 insertions(+), 2 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~