X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/49b23c5a9b0198bb382dcf43c458d46fcf2fa809..12f66f69f7bf1ec1266ddbee90a7616cbf33696b:/print-ppi.c

diff --git a/print-ppi.c b/print-ppi.c
index 72cd1b86..66b75821 100644
--- a/print-ppi.c
+++ b/print-ppi.c
@@ -68,6 +68,7 @@ ppi_print(netdissect_options *ndo,
 	}
 
 	hdr = (const ppi_header_t *)p;
+	ND_TCHECK_16BITS(&hdr->ppi_len);
 	len = EXTRACT_LE_16BITS(&hdr->ppi_len);
 	if (caplen < len) {
 		/*
@@ -81,6 +82,7 @@ ppi_print(netdissect_options *ndo,
 		ND_PRINT((ndo, "[|ppi]"));
 		return (len);
 	}
+	ND_TCHECK_32BITS(&hdr->ppi_dlt);
 	dlt = EXTRACT_LE_32BITS(&hdr->ppi_dlt);
 
 	if (ndo->ndo_eflag)
@@ -104,6 +106,8 @@ ppi_print(netdissect_options *ndo,
 		hdrlen = 0;
 	}
 	return (len + hdrlen);
+trunc:
+	return (caplen);
 }
 
 /*