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In cf_fpu_gdb_get_reg() and cf_fpu_gdb_set_reg() we use a temporary float_status variable to pass to floatx80_to_float64() and float64_to_floatx80(), but we don't initialize it, meaning that those functions could access uninitialized data. Zero-init the structs. (We don't need to set a NaN-propagation rule here because we don't use these with a 2-argument fpu operation.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20241025141254.2141506-11-peter.maydell@linaro.org