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core: avoid uaf in resource_set_user_data

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Vaxry 2024-05-18 19:52:55 +01:00
parent f5181a068c
commit 3afed43647
1 changed files with 2 additions and 1 deletions
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3
src/main.cpp
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@ -723,11 +723,12 @@ const wl_interface {} = {{
wl_list_remove(&resourceDestroyListener.link); wl_list_remove(&resourceDestroyListener.link);
wl_list_init(&resourceDestroyListener.link); wl_list_init(&resourceDestroyListener.link);
wl_resource_set_user_data(pResource, nullptr);
// if we still own the wayland resource, // if we still own the wayland resource,
// it means we need to destroy it. // it means we need to destroy it.
if (wl_resource_get_user_data(pResource) == this) if (wl_resource_get_user_data(pResource) == this)
wl_resource_destroy(pResource); wl_resource_destroy(pResource);
wl_resource_set_user_data(pResource, nullptr);
}} }}
void {}::onDestroyCalled() {{ void {}::onDestroyCalled() {{