Mercurial > vim
comparison src/testdir/test_vim9_class.vim @ 33501:c7c630759e31 v9.0.2000
patch 9.0.2000: Vim9: use-after-free in deep call stack
Commit: https://github.com/vim/vim/commit/1087b8c29ab521106c5b6cc85d5b38244f0d9c1d
Author: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Sat Oct 7 22:03:18 2023 +0200
patch 9.0.2000: Vim9: use-after-free in deep call stack
Problem: Vim9: use-after-free in deep call stack
Solution: Get the objct pointer from execution stack
closes: #13296
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 07 Oct 2023 22:15:07 +0200 |
| parents | bff8ac203a22 |
| children | f72004b37b2b |
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| 33500:665078e8fea1 | 33501:c7c630759e31 |
|---|---|
| 6987 Bar() | 6987 Bar() |
| 6988 END | 6988 END |
| 6989 call v9.CheckSourceSuccess(lines) | 6989 call v9.CheckSourceSuccess(lines) |
| 6990 endfunc | 6990 endfunc |
| 6991 | 6991 |
| 6992 " Test for recursively calling an object method. This used to cause an | |
| 6993 " use-after-free error. | |
| 6994 def Test_recursive_object_method_call() | |
| 6995 var lines =<< trim END | |
| 6996 vim9script | |
| 6997 class A | |
| 6998 this.val: number = 0 | |
| 6999 def Foo(): number | |
| 7000 if this.val >= 90 | |
| 7001 return this.val | |
| 7002 endif | |
| 7003 this.val += 1 | |
| 7004 return this.Foo() | |
| 7005 enddef | |
| 7006 endclass | |
| 7007 var a = A.new() | |
| 7008 assert_equal(90, a.Foo()) | |
| 7009 END | |
| 7010 v9.CheckSourceSuccess(lines) | |
| 7011 enddef | |
| 7012 | |
| 7013 " Test for recursively calling a class method. | |
| 7014 def Test_recursive_class_method_call() | |
| 7015 var lines =<< trim END | |
| 7016 vim9script | |
| 7017 class A | |
| 7018 static val: number = 0 | |
| 7019 static def Foo(): number | |
| 7020 if val >= 90 | |
| 7021 return val | |
| 7022 endif | |
| 7023 val += 1 | |
| 7024 return Foo() | |
| 7025 enddef | |
| 7026 endclass | |
| 7027 assert_equal(90, A.Foo()) | |
| 7028 END | |
| 7029 v9.CheckSourceSuccess(lines) | |
| 7030 enddef | |
| 7031 | |
| 6992 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker | 7032 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker |