X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppdump%2Fpppdump.c;h=b85a86271edacafcbae3f7329bce4e08bf5b0b94;hb=a75fb7b198eed50d769c80c36629f38346882cbf;hp=2b815fc9b50e41fcd2ec8c0d2a0ad93120a4aaf3;hpb=fb3529ccfc1868e8563a2dcfbae7b386125fccbc;p=ppp.git

diff --git a/pppdump/pppdump.c b/pppdump/pppdump.c
index 2b815fc..b85a862 100644
--- a/pppdump/pppdump.c
+++ b/pppdump/pppdump.c
@@ -297,6 +297,10 @@ dumpppp(f)
 			    printf("%s aborted packet:\n     ", dir);
 			    q = "    ";
 			}
+			if (pkt->cnt >= sizeof(pkt->buf)) {
+			    printf("%s over-long packet truncated:\n     ", dir);
+			    q = "    ";
+			}
 			nb = pkt->cnt;
 			p = pkt->buf;
 			pkt->cnt = 0;
@@ -400,7 +404,8 @@ dumpppp(f)
 			c ^= 0x20;
 			pkt->esc = 0;
 		    }
-		    pkt->buf[pkt->cnt++] = c;
+		    if (pkt->cnt < sizeof(pkt->buf))
+			pkt->buf[pkt->cnt++] = c;
 		    break;
 		}
 	    }