diff options
| -rw-r--r-- | ggsn/ggsn.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ggsn/ggsn.c b/ggsn/ggsn.c index c6a6dac..1e92956 100644 --- a/ggsn/ggsn.c +++ b/ggsn/ggsn.c @@ -215,14 +215,14 @@ static bool pco_contains_proto(struct ul255_t *pco, uint16_t prot) uint8_t *cur = pco->v + 1; /* iterate over PCO and check if protocol contained */ - while (cur + 2 < pco->v + pco->l) { + while (cur + 3 <= pco->v + pco->l) { uint16_t cur_prot = osmo_load16be(cur); uint8_t cur_len = cur[2]; if (cur_prot == prot) return true; if (cur_len == 0) break; - cur += cur_len; + cur += cur_len + 3; } return false; } |