On Tue, Sep 12, 2023 at 8:28 AM <marcandre.lur...@redhat.com> wrote:

> From: Marc-André Lureau <marcandre.lur...@redhat.com>
>
> Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
> 0x0000555555888630 in dpy_ui_info_supported (con=0x0) at
> ../ui/console.c:812
> 812         return con->hw_ops->ui_info != NULL;
> (gdb) bt
> #0  0x0000555555888630 in dpy_ui_info_supported (con=0x0) at
> ../ui/console.c:812
> #1  0x00005555558a44b1 in protocol_client_msg (vs=0x5555578c76c0,
> data=0x5555581e93f0 <incomplete sequence \373>, len=24) at ../ui/vnc.c:2585
> #2  0x00005555558a19ac in vnc_client_read (vs=0x5555578c76c0) at
> ../ui/vnc.c:1607
> #3  0x00005555558a1ac2 in vnc_client_io (ioc=0x5555581eb0e0,
> condition=G_IO_IN, opaque=0x5555578c76c0) at ../ui/vnc.c:1635
>
> Fixes:
> https://issues.redhat.com/browse/RHEL-2600
>
> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
> ---
>  ui/console.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/ui/console.c b/ui/console.c
> index 90ae4be602..0fbec4d0bd 100644
> --- a/ui/console.c
> +++ b/ui/console.c
> @@ -808,6 +808,9 @@ bool dpy_ui_info_supported(QemuConsole *con)
>      if (con == NULL) {
>          con = active_console;
>      }
> +    if (con == NULL) {
> +        return false;
> +    }
>
>      return con->hw_ops->ui_info != NULL;
>  }
> --
> 2.41.0
>
> Reviewed-by: Albert Esteve <aest...@redhat.com>

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