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Re-init renderer for all outputs on lost context

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sway_root.outputs only include enabled outputs. We also need to re-init
the renderer for any disabled outputs, so use sway_root.all_outputs
instead.

Resolves the following heap-use-after-free accessing the render formats
when a disabled output is modeset after a GPU reset has occurred.

(cherry picked from commit c90cb37b2a)
This commit is contained in:
Kenny Levinsen 2024-10-02 15:55:17 +02:00 committed by Simon Ser
parent 0de35b3585
commit 67ecc7d2cd
1 changed files with 2 additions and 2 deletions
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4
sway/server.c
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@ -204,8 +204,8 @@ static void handle_renderer_lost(struct wl_listener *listener, void *data) {
wlr_compositor_set_renderer(server->compositor, renderer);
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
struct sway_output *output;
wl_list_for_each(output, &root->all_outputs, link) {
wlr_output_init_render(output->wlr_output,
server->allocator, server->renderer);
}