diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-11-07 11:59:16 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-11-07 11:59:16 +0000 |
| commit | 52ebc24487f3d1553c436c3ab9fbf8784379961d (patch) | |
| tree | 4936719f503dc48619c5ae4d2d0132028c89cf1e /vm_insnhelper.c | |
| parent | ddc4143af021817d7b37ee6979c2af3e07f7871f (diff) | |
* vm_insnhelper.c (vm_push_frame): get rid of out-of-bounds
access.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25682 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_insnhelper.c')
| -rw-r--r-- | vm_insnhelper.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c index 6d4887024b..0660c7dd03 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -29,7 +29,9 @@ vm_push_frame(rb_thread_t * th, const rb_iseq_t * iseq, rb_control_frame_t * const cfp = th->cfp - 1; int i; - CHECK_STACK_OVERFLOW(th->cfp, local_size); + if ((void *)(sp + local_size) >= (void *)cfp) { + rb_exc_raise(sysstack_error); + } th->cfp = cfp; /* setup vm value stack */ |