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-rw-r--r--src/intervals.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/intervals.c b/src/intervals.c
index a8fada9b..590a2967 100644
--- a/src/intervals.c
+++ b/src/intervals.c
@@ -329,8 +329,10 @@ static void split_range(struct set *set, struct expr *prev, struct expr *i,
{
struct expr *clone;
- clone = expr_clone(prev);
- list_move_tail(&clone->list, &purge->expressions);
+ if (prev->flags & EXPR_F_KERNEL) {
+ clone = expr_clone(prev);
+ list_move_tail(&clone->list, &purge->expressions);
+ }
prev->flags &= ~EXPR_F_KERNEL;
clone = expr_clone(prev);
@@ -413,7 +415,9 @@ static int setelem_delete(struct list_head *msgs, struct set *set,
if (mpz_cmp(prev_range.low, range.low) == 0 &&
mpz_cmp(prev_range.high, range.high) == 0) {
if (i->flags & EXPR_F_REMOVE) {
- list_move_tail(&prev->list, &purge->expressions);
+ if (prev->flags & EXPR_F_KERNEL)
+ list_move_tail(&prev->list, &purge->expressions);
+
list_del(&i->list);
expr_free(i);
}