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-rw-r--r--source4/heimdal/lib/krb5/store_emem.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/source4/heimdal/lib/krb5/store_emem.c b/source4/heimdal/lib/krb5/store_emem.c
index 4be89b6564..acf984280e 100644
--- a/source4/heimdal/lib/krb5/store_emem.c
+++ b/source4/heimdal/lib/krb5/store_emem.c
@@ -110,7 +110,12 @@ emem_trunc(krb5_storage *sp, off_t offset)
* If offset is larget then current size, or current size is
* shrunk more then half of the current size, adjust buffer.
*/
- if (offset > s->size || (s->size / 2) > offset) {
+ if (offset == 0) {
+ free(s->base);
+ s->size = 0;
+ s->base = NULL;
+ s->ptr = NULL;
+ } else if (offset > s->size || (s->size / 2) > offset) {
void *base;
size_t off;
off = s->ptr - s->base;