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layer-shell: fix use-after-free when client requests an invalid layer

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emersion 2018-04-26 15:58:41 +01:00
parent ce64bb7d83
commit fcb7ad925d
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types/wlr_layer_shell.c
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@ -338,7 +338,7 @@ static void layer_shell_handle_get_layer_surface(struct wl_client *wl_client,
surface->layer = layer; surface->layer = layer;
if (layer > ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY) { if (layer > ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY) {
free(surface); free(surface);
wl_resource_post_error(surface->resource, wl_resource_post_error(client_resource,
ZWLR_LAYER_SHELL_V1_ERROR_INVALID_LAYER, ZWLR_LAYER_SHELL_V1_ERROR_INVALID_LAYER,
"Invalid layer %d", layer); "Invalid layer %d", layer);
return; return;