@@ -17,7 +17,8 @@

 #include "inodelist.h"

 #include "mypcap.h"

-const int MAX_FDLINK = 10;

+/* dirent.d_name can hold a NAME_MAX-byte name plus its terminator. */

+const int MAX_FDLINK = 256;

 const int MAX_PID_LENGTH = 20;

 #define MAX_SIZE 256

@@ -324,9 +325,11 @@ void _get_info_for_pid(const char *pid) {

 		if (entry->d_type != DT_LNK)

 			continue;

-		size_t fromlen = dirlen + strlen(entry->d_name) + 1;

 		char fromname[10 + MAX_PID_LENGTH + 1 + MAX_FDLINK];

-		snprintf(fromname, fromlen, "%s/%s", dirname, entry->d_name);

+		int fromlen = snprintf(fromname, sizeof(fromname), "%s/%s", dirname, entry->d_name);

+		if (fromlen < 0 || (size_t)fromlen >= sizeof(fromname)) {

+			continue;

+		}

 		int linklen = 80;

 		char linkname[linklen];