diff mbox series

hw/char: fix qcode array bounds check in ESCC impl

Message ID 20220331122652.188700-1-berrange@redhat.com
State New
Headers show
Series hw/char: fix qcode array bounds check in ESCC impl | expand

Commit Message

Daniel P. Berrangé March 31, 2022, 12:26 p.m. UTC 
There was an off-by-1 in the qcode conversion array bounds
check.

Fixes: e709a61a8fe1076a487376fd657544418a38ba06
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 hw/char/escc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Peter Maydell March 31, 2022, 12:27 p.m. UTC | #1 
On Thu, 31 Mar 2022 at 13:27, Daniel P. Berrangé <berrange@redhat.com> wrote:
>
> There was an off-by-1 in the qcode conversion array bounds
> check.
>
> Fixes: e709a61a8fe1076a487376fd657544418a38ba06
> Reported-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> ---
>  hw/char/escc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/char/escc.c b/hw/char/escc.c
> index 8755d8d34f..17a908c59b 100644
> --- a/hw/char/escc.c
> +++ b/hw/char/escc.c
> @@ -828,7 +828,7 @@ static void sunkbd_handle_event(DeviceState *dev, QemuConsole *src,
>          }
>      }
>
> -    if (qcode > qemu_input_map_qcode_to_sun_len) {
> +    if (qcode >= qemu_input_map_qcode_to_sun_len) {
>          return;
>      }

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM
diff mbox series

Patch

diff --git a/hw/char/escc.c b/hw/char/escc.c
index 8755d8d34f..17a908c59b 100644
--- a/hw/char/escc.c
+++ b/hw/char/escc.c
@@ -828,7 +828,7 @@  static void sunkbd_handle_event(DeviceState *dev, QemuConsole *src,
         }
     }
 
-    if (qcode > qemu_input_map_qcode_to_sun_len) {
+    if (qcode >= qemu_input_map_qcode_to_sun_len) {
         return;
     }