* process.c (proc_setgroups): check if the argument lenght is

  modified.  fixed: [ruby-dev:25285]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7642 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/process.c b/process.c
index 67c4d3816b..9541c600d3 100644
--- a/process.c
+++ b/process.c
@@ -2464,7 +2464,7 @@ proc_setgroups(VALUE obj, VALUE ary)
 
     groups = ALLOCA_N(gid_t, ngroups);
 
-    for (i = 0; i < ngroups; i++) {
+    for (i = 0; i < ngroups && i < RARRAY(ary)->len; i++) {
         VALUE g = RARRAY(ary)->ptr[i];
 
 	if (FIXNUM_P(g)) {