X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/fe9b593bac67c5485579ab89f21dd9e4490799fc..0f15ed5545b143ced64cc1a99abbd5c1cbdfd729:/print-ether.c?ds=sidebyside

diff --git a/print-ether.c b/print-ether.c
index 2f2b1503..6768499a 100644
--- a/print-ether.c
+++ b/print-ether.c
@@ -21,9 +21,7 @@
 
 /* \summary: Ethernet printer */
 
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include "netdissect-stdinc.h"
 
@@ -238,7 +236,7 @@ recurse:
 			 */
 			length_type = GET_BE_U_2(p);
 
-			ND_LCHECK_U(caplen, 2);
+			ND_ICHECK_U(caplen, <, 2);
 			length -= 2;
 			caplen -= 2;
 			p += 2;
@@ -306,7 +304,10 @@ recurse:
 		 * Cut off the snapshot length to the end of the
 		 * payload.
 		 */
-		nd_push_snaplen(ndo, p, length);
+		if (!nd_push_snaplen(ndo, p, length)) {
+			(*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC,
+				"%s: can't push snaplen on buffer stack", __func__);
+		}
 
 		if (ndo->ndo_eflag) {
 			ND_PRINT("802.3");
@@ -409,7 +410,7 @@ invalid:
 }
 
 /*
- * Print an Ethernet frame while specyfing a non-standard Ethernet header
+ * Print an Ethernet frame while specifying a non-standard Ethernet header
  * length.
  * This might be encapsulated within another frame; we might be passed
  * a pointer to a function that can print header information for that