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patch 9.1.1400: [security]: use-after-free when evaluating tuple fails

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Problem:  [security]: use-after-free when evaluating tuple fails
Solution: return early in case of an error (Yegappan Lakshmanan)

closes: #17351

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Yegappan Lakshmanan
2025-05-21 20:52:44 +02:00
committed by Christian Brabandt
parent 681f1c914f
commit 1307743697
3 changed files with 15 additions and 0 deletions
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11
src/testdir/test_tuple.vim
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@@ -1575,6 +1575,17 @@ func Test_try_finally_with_tuple_return()
call v9.CheckSourceSuccess(lines)
endfunc
" Test for evaluating a recursive tuple that results in an error
func Test_recursive_tuple_eval_fails()
let lines =<< trim END
call assert_fails(((((((((((((((('tag xyz', func2(pat, flags, infn)
END
call v9.CheckSourceLegacyAndVim9Failure(lines, [
\ 'E121: Undefined variable: pat',
\ 'E1001: Variable not found: pat',
\ 'E121: Undefined variable: pat'])
endfunc
" Test for add() with a tuple
func Test_tuple_add()
let lines =<< trim END