From bfe9b6a8d384739cfe98fcc54bdb55a894cc9d0c Mon Sep 17 00:00:00 2001
From: Nickolai Zeldovich <nickolai@csail.mit.edu>
Date: Sat, 5 Jan 2013 23:45:46 -0500
Subject: [PATCH] lwp/iomgr.c: avoid off-by-one out-of-bounds access

Avoid accessing sigDelivered[NSIG] and sigEvents[NSIG], which are
out-of-bounds by one.

Reviewed-on: http://gerrit.openafs.org/8883
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
(cherry picked from commit bd850e5b980d34236ee98d16b9717860b63af306)

Change-Id: I859c654b8d35484aeeb029432c69848846335fb8
Reviewed-on: http://gerrit.openafs.org/9516
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
---
 src/lwp/iomgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lwp/iomgr.c b/src/lwp/iomgr.c
index 74df51754..7774ecf56 100644
--- a/src/lwp/iomgr.c
+++ b/src/lwp/iomgr.c
@@ -709,7 +709,7 @@ static int SignalSignals (void)
 	sigProc[i] = 0;
     }
 
-    for (i = 1; i <= NSIG; ++i)  /* forall !badsig(i) */
+    for (i = 1; i < NSIG; ++i)  /* forall !badsig(i) */
 	if ((sigsHandled & mysigmask(i)) && sigDelivered[i] == TRUE) {
 	    sigDelivered[i] = FALSE;
 	    LWP_NoYieldSignal (sigEvents[i]);
-- 
2.39.5