commit 67e3720a9ddd8a9d2e8344358c28fa1f4196db0d
author Bram Moolenaar <Bram@vim.org> Tue Jun 14 21:32:28 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Tue Jun 14 21:32:28 2016 +0200
tree 358f2dcc64cb3c46807924021ad7ce2ffe622403
parent bee666f239eada035d288b77269aebc42f644ea6

patch 7.4.1936
Problem:    Off-by-one error in bounds check. (Coverity)
Solution:   Check register number properly.

src/ops.c

diff --git a/src/ops.c b/src/ops.c
index 44cd473..d97107e 100644
--- a/src/ops.c
+++ b/src/ops.c
@@ -6011,7 +6011,7 @@
 	return;
     flags = vp[0].bv_nr;
     name = vp[1].bv_nr;
-    if (name < 0 || name > NUM_REGISTERS)
+    if (name < 0 || name >= NUM_REGISTERS)
 	return;
     type = vp[2].bv_nr;
     if (type != MCHAR && type != MLINE && type != MBLOCK)

src/version.c

diff --git a/src/version.c b/src/version.c
index 3e22c38..32e78cc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1936,
+/**/
     1935,
 /**/
     1934,