render/drm_format_set: assert len <= cap when duplicating

This commit is contained in:
Simon Ser 2020-12-08 23:35:05 +01:00
parent 06ab41a160
commit 8a6930c138
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GPG key ID: 0FDE7BE0E88F5E48

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@ -128,6 +128,7 @@ bool wlr_drm_format_set_add(struct wlr_drm_format_set *set, uint32_t format,
} }
struct wlr_drm_format *wlr_drm_format_dup(const struct wlr_drm_format *format) { struct wlr_drm_format *wlr_drm_format_dup(const struct wlr_drm_format *format) {
assert(format->len <= format->cap);
size_t format_size = sizeof(struct wlr_drm_format) + size_t format_size = sizeof(struct wlr_drm_format) +
format->cap * sizeof(format->modifiers[0]); format->cap * sizeof(format->modifiers[0]);
struct wlr_drm_format *duped_format = malloc(format_size); struct wlr_drm_format *duped_format = malloc(format_size);