Re: [PATCH] system/qtest: Fix length parameter in the b64write code

Philippe Mathieu-Daudé <[email protected]> Mon, 18 May 2026 18:08:11 +0200
Newsgroups org.nongnu.qemu-trivial,org.nongnu.qemu-devel
Message-ID <[email protected]>
On 18/5/26 15:40, Thomas Huth wrote:
> From: Thomas Huth <[email protected]>
> 
> The b64write code has a sanity check that the given lengths matches
> the real length of the given data, and calculates the minimum of the
> two values to be on the safe side. However, the address_space_write()
> then uses the original value and ignores the calculated minimum. Use
> out_len here to fix the problem.
> 
> Fixes: 70da30483e7 ("qtest: Use cpu address space instead of system memory")
> Signed-off-by: Thomas Huth <[email protected]>
> ---
>   system/qtest.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>