diff options
Diffstat (limited to 'usr.sbin/traceroute6')
-rw-r--r-- | usr.sbin/traceroute6/traceroute6.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.sbin/traceroute6/traceroute6.c b/usr.sbin/traceroute6/traceroute6.c index f5f3fbe..37f639b 100644 --- a/usr.sbin/traceroute6/traceroute6.c +++ b/usr.sbin/traceroute6/traceroute6.c @@ -934,6 +934,8 @@ wait_for_reply(sock, mhdr) fdsn = howmany(sock + 1, NFDBITS) * sizeof(fd_mask); if ((fdsp = (fd_set *)malloc(fdsn)) == NULL) err(1, "malloc"); + if (sock >= FD_SETSIZE) + errx(1, "descriptor too big"); memset(fdsp, 0, fdsn); FD_SET(sock, fdsp); wait.tv_sec = waittime; wait.tv_usec = 0; |