diff options
Diffstat (limited to 'nscd/connections.c')
| -rw-r--r-- | nscd/connections.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/nscd/connections.c b/nscd/connections.c index 0687a2661f..2572a42ee7 100644 --- a/nscd/connections.c +++ b/nscd/connections.c @@ -378,7 +378,8 @@ verify_persistent_db (void *mem, struct database_pers_head *readhead, int dbnr) nscd_ssize_t he_cnt = 0; for (nscd_ssize_t cnt = 0; cnt < head->module; ++cnt) { - ref_t work = head->array[cnt]; + ref_t first = head->array[cnt]; + ref_t work = first; while (work != ENDREF) { @@ -437,6 +438,10 @@ verify_persistent_db (void *mem, struct database_pers_head *readhead, int dbnr) } work = here->next; + + if (work == first) + /* A circular list, this must not happen. */ + goto fail; } } |