Merge branch '3646-use-after-free-triggers-a-crash-in-reactivate_node' into 'main'

Don't cleanup the dead nodes when pruning the tree

Closes #3646

See merge request isc-projects/bind9!7018
This commit is contained in:
Ondřej Surý 2022-11-03 08:09:28 +00:00
commit 52cf8205a0

View file

@ -2254,12 +2254,6 @@ prune_tree(isc_task_t *task, isc_event_t *event) {
decrement_reference(rbtdb, node, 0, &nlocktype, &tlocktype,
true);
/*
* We have both write locks, we might as well do a light
* dead nodes cleaning.
*/
cleanup_dead_nodes(rbtdb, locknum);
if (parent != NULL && parent->down == NULL) {
/*
* node was the only down child of the parent and has