We know 'pf.bytes_per_pixel' will be at most 'VNC_SERVER_FB_BYTES' (which is actually 4 bytes for 32bpp). Instead of having the compiler use variable-length array, use this 'small' maximum length and autofree to allocate the buffer on the heap.
Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com> --- ui/vnc-enc-hextile-template.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/ui/vnc-enc-hextile-template.h b/ui/vnc-enc-hextile-template.h index 0c56262afff..85e67bd9d88 100644 --- a/ui/vnc-enc-hextile-template.h +++ b/ui/vnc-enc-hextile-template.h @@ -25,10 +25,11 @@ static void CONCAT(send_hextile_tile_, NAME)(VncState *vs, int bg_count = 0; int fg_count = 0; int flags = 0; - uint8_t data[(vs->client_pf.bytes_per_pixel + 2) * 16 * 16]; + g_autofree uint8_t *data = g_malloc((VNC_SERVER_FB_BYTES + 2) * 16 * 16); int n_data = 0; int n_subtiles = 0; + assert(vs->client_pf.bytes_per_pixel <= VNC_SERVER_FB_BYTES); for (j = 0; j < h; j++) { for (i = 0; i < w; i++) { switch (n_colors) { -- 2.26.3