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server: on exit, destroy backends first

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This fixes a UAF caused by trying to update the xcursor in a
output destroy handler, in turn caused by destroying the backend.

Fixes: #2539
This commit is contained in:
Consolatis 2025-02-04 15:09:45 +01:00 • committed by Johan Malm
parent 950337b895
commit 897799da5a
1 changed files with 1 additions and 1 deletions
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2
src/server.c
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@ -757,9 +757,9 @@ server_finish(struct server *server)
wl_event_source_remove(sighup_source); wl_event_source_remove(sighup_source);
} }
wl_display_destroy_clients(server->wl_display); wl_display_destroy_clients(server->wl_display);
wlr_backend_destroy(server->backend);
wlr_allocator_destroy(server->allocator); wlr_allocator_destroy(server->allocator);
wlr_renderer_destroy(server->renderer); wlr_renderer_destroy(server->renderer);
wlr_backend_destroy(server->backend);
seat_finish(server); seat_finish(server);
workspaces_destroy(server); workspaces_destroy(server);
wlr_scene_node_destroy(&server->scene->tree.node); wlr_scene_node_destroy(&server->scene->tree.node);