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patch 9.1.0682: Vim9: Segfault with uninitialized funcref

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Problem:  Vim9: Segfault with uninitialized funcref
          (Daniel Viberg)
Solution: Check the Funcref for being Null before trying to access it
          (Ernie Rael)

fixes: #15523

Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Ernie Rael
2024-08-19 21:45:23 +02:00
committed by Christian Brabandt
parent 6bff6a2fa4
commit cb90ea9cba
3 changed files with 14 additions and 1 deletions
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3
src/userfunc.c
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@@ -2245,7 +2245,8 @@ find_func_imported(char_u *name, int flags)
if (!HASHITEM_EMPTY(hi))
{
dictitem_T *di = HI2DI(hi);
if (di->di_tv.v_type == VAR_FUNC)
if (di->di_tv.v_type == VAR_FUNC
&& di->di_tv.vval.v_string != NULL)
func = find_func_even_dead(di->di_tv.vval.v_string, flags);
}
}