From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Fri, 15 Aug 2014 14:36:00 +0000 (+0200)
Subject: sched: check that added file descriptor fits in fd_set
X-Git-Tag: 1.31-pre1~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07f7f28058f61730abe17cb8333c48d2108bc614;p=thirdparty%2Fchrony.git

sched: check that added file descriptor fits in fd_set
---

diff --git a/sched.c b/sched.c
index 80d68fdf..81b58f71 100644
--- a/sched.c
+++ b/sched.c
@@ -169,6 +169,9 @@ SCH_AddInputFileHandler
 
   assert(initialised);
   
+  if (fd >= FD_SETSIZE)
+    LOG_FATAL(LOGF_Scheduler, "Too many file descriptors");
+
   /* Don't want to allow the same fd to register a handler more than
      once without deleting a previous association - this suggests
      a bug somewhere else in the program. */