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| author | nectar <nectar@FreeBSD.org> | 2002-09-09 15:58:08 +0000 |
|---|---|---|
| committer | nectar <nectar@FreeBSD.org> | 2002-09-09 15:58:08 +0000 |
| commit | 4f70a78fd0c407f315a8e2149bca046379d79a1f (patch) | |
| tree | ddfc63065ea471782313f8fde22d7adee3fda962 /sbin/ping | |
| parent | 21c03c95c89c64ca3511f397ae3c616cc7ad03b6 (diff) | |
| download | FreeBSD-src-4f70a78fd0c407f315a8e2149bca046379d79a1f.zip FreeBSD-src-4f70a78fd0c407f315a8e2149bca046379d79a1f.tar.gz | |
Check for FD_SET overrun.
Diffstat (limited to 'sbin/ping')
| -rw-r--r-- | sbin/ping/ping.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sbin/ping/ping.c b/sbin/ping/ping.c index f47dc38..3ba073a 100644 --- a/sbin/ping/ping.c +++ b/sbin/ping/ping.c @@ -648,6 +648,10 @@ main(argc, argv) fd_set rfds; check_status(); + if (s >= FD_SETSIZE) { + (void)fprintf(stderr, "descriptor too large"); + exit(EX_OSERR); + } FD_ZERO(&rfds); FD_SET(s, &rfds); (void)gettimeofday(&now, NULL); |
