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-rw-r--r--accel-pppd/auth/auth_pap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/accel-pppd/auth/auth_pap.c b/accel-pppd/auth/auth_pap.c
index 9aab3775..909b115e 100644
--- a/accel-pppd/auth/auth_pap.c
+++ b/accel-pppd/auth/auth_pap.c
@@ -312,7 +312,7 @@ static void pap_recv(struct ppp_handler_t *h)
struct pap_auth_data *d = container_of(h, typeof(*d), h);
struct pap_hdr *hdr = (struct pap_hdr *)d->ppp->buf;
- if (d->ppp->buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) < d->ppp->buf_size - 2) {
+ if (d->ppp->buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) > d->ppp->buf_size - 2) {
log_ppp_warn("PAP: short packet received\n");
return;
}