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Fix heap-use-after-free when drawing automation events

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When drawing over existing automation it can happen that the
range that is being replaced is currently being in the lookup
cache.
This commit is contained in:
Robin Gareus
2026-01-10 03:42:51 +01:00
parent b4ba3d2b9f
commit 2bfdbc161b
1 changed files with 7 additions and 1 deletions
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8
libs/evoral/ControlList.cc
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@@ -739,7 +739,13 @@ ControlList::editor_add_ordered (OrderedPoints const & points, bool with_guard)
timecnt_t distance = earliest.distance (latest);
(void) erase_range_internal (earliest, latest, _events);
if (erase_range_internal (earliest, latest, _events)) {
/* invalidate lookup cache
* This is required since add_guard_point () may use the
* cache to determine the value.
*/
mark_dirty ();
}
if (with_guard) {
unlocked_invalidate_insert_iterator ();