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| 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 | 0e7d135b9a98ba93cee9f49603b4a2a85366a55f (patch) | |
| tree | 4936719f503dc48619c5ae4d2d0132028c89cf1e /vm_insnhelper.c | |
| parent | 180e24cc14d761a7cb8e7e60adbd91fb5f663e6d (diff) | |
| download | ruby-0e7d135b9a98ba93cee9f49603b4a2a85366a55f.tar.gz ruby-0e7d135b9a98ba93cee9f49603b4a2a85366a55f.tar.xz ruby-0e7d135b9a98ba93cee9f49603b4a2a85366a55f.zip | |
* vm_insnhelper.c (vm_push_frame): get rid of out-of-bounds
access.
git-svn-id: http://svn.ruby-lang.org/repos/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 6d4887024..0660c7dd0 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 */ |