diff options
author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-12-03 07:23:57 +0000 |
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committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-12-03 07:23:57 +0000 |
commit | 1d193d9251fb5cc58f1b4ac3346ac63529d63097 (patch) | |
tree | e805bc22f24dd3db4394150df364933ccb770118 /vm_backtrace.c | |
parent | 9def7828895b4a119bb1504019ea5c7501255272 (diff) | |
download | ruby-1d193d9251fb5cc58f1b4ac3346ac63529d63097.tar.gz |
* vm_backtrace.c (vm_backtrace_to_ary): check negative size (2nd arg).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38154 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_backtrace.c')
-rw-r--r-- | vm_backtrace.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/vm_backtrace.c b/vm_backtrace.c index 8e10d6eb73..3684bcdbf6 100644 --- a/vm_backtrace.c +++ b/vm_backtrace.c @@ -755,11 +755,14 @@ vm_backtrace_to_ary(rb_thread_t *th, int argc, VALUE *argv, int lev_default, int } case 2: lev = NUM2LONG(level); + n = NUM2LONG(vn); if (lev < 0) { rb_raise(rb_eArgError, "negative level (%ld)", lev); } + if (n < 0) { + rb_raise(rb_eArgError, "negative size (%ld)", n); + } lev += lev_plus; - n = NUM2LONG(vn); break; default: lev = n = 0; /* to avoid warning */ |