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Because wl_buffer.release is per-buffer and not per-commit, the Wayland backend might create multiple struct wlr_wl_buffer per struct wlr_buffer. As a result, the wlr_buffer_unlock() call inside destroy_wl_buffer() can cause another struct wlr_wl_buffer to be destroyed. In backend_destroy() we were iterating the list of buffers with wl_list_for_each_safe(), which is actually not safe in this case: the next buffer is cached, but might be destroyed as a side-effect of calling destroy_wl_buffer(). Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3572 |
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drm | ||
headless | ||
libinput | ||
multi | ||
session | ||
wayland | ||
x11 | ||
backend.c | ||
meson.build |