Hi,
On Sat, Jul 26, 2025 at 12:06 PM Christian J. Robinson <hept...@gmail.com>
wrote:
> The patch fixes the problem for me. Thank you.
>
>
Thanks for validating the patch. I will create a PR for this. But I want
to add a test that
reproduces this issue. Is it possible for you to reproduce this issue with
a small test script?
Thanks,
Yegappan
> On Sat, Jul 26, 2025 at 10:24 AM Yegappan Lakshmanan <yegapp...@gmail.com>
> wrote:
>
>> Hi,
>>
>> On Sat, Jul 26, 2025 at 6:47 AM Christian J. Robinson <hept...@gmail.com>
>> wrote:
>>
>>> (gdb) p tv->v_type
>>> $1 = VAR_OBJECT
>>> (gdb) p tv->vval.v_object->obj_class
>>> Cannot access memory at address 0x0
>>> (gdb) p cl
>>> $2 = (class_T *) 0xa006c15e0
>>> (gdb) p tv->vval.v_object->obj_refcount
>>> Cannot access memory at address 0x8
>>>
>>>
>> Can you try this patch?
>>
>> diff --git a/src/vim9class.c b/src/vim9class.c
>> index aa68a6dc8..40b594af7 100644
>> --- a/src/vim9class.c
>> +++ b/src/vim9class.c
>> @@ -3714,7 +3714,8 @@ class_get_selfrefs(class_T *cl)
>> for (int i = 0; i < cl->class_class_member_count; ++i)
>> {
>> tv = &cl->class_members_tv[i];
>> - if (tv->v_type == VAR_OBJECT && tv->vval.v_object->obj_class == cl
>> + if (tv->v_type == VAR_OBJECT && tv->vval.v_object != NULL
>> + && tv->vval.v_object->obj_class == cl
>> && (tv->vval.v_object->obj_refcount == 1
>> || (IS_ENUM(cl) && tv->vval.v_object->obj_refcount ==
>> 2)))
>> self_refs++;
>>
>> Thanks,
>> Yegappan
>>
>> On Sat, Jul 26, 2025 at 12:29 AM Christian Brabandt <cbli...@256bit.org>
>>> wrote:
>>>
>>>> Hmm, this crashes in class_get_selfrefs() indicating perhaps patch
>>>> v9.1.1566. Can you attach gdb to Vim, cause the crash and when you are back
>>>> in gdb, print the values of the variables at line 3717?
>>>>
>>>> Thanks
>>>> Chris
>>>>
>>>> Am 26.07.2025 um 02:44 schrieb Christian J. Robinson <hept...@gmail.com
>>>> >:
>>>>
>>>>
>>>> New backtrace attached.
>>>>
>>>> On Fri, Jul 25, 2025 at 6:21 PM Yegappan Lakshmanan <
>>>> yegapp...@gmail.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> Can you build VIM with debug information (argument values) and collect
>>>>> the traceback?
>>>>>
>>>>> Thanks,
>>>>> Yegappan
>>>>>
>>>>> On Fri, Jul 25, 2025 at 4:54 PM Christian J. Robinson <
>>>>> hept...@gmail.com> wrote:
>>>>>
>>>>>> I really don't know what I'm doing when it comes to gdb, but this is
>>>>>> the backtrace:
>>>>>>
>>>>>> #0 0x0000000100637cf2 in class_unref.part ()
>>>>>> #1 0x000000010063c466 in get_member_tv ()
>>>>>> #2 0x000000010063c8a3 in class_object_index ()
>>>>>> #3 0x0000000100459fd9 in handle_subscript ()
>>>>>> #4 0x000000010045b005 in eval9 ()
>>>>>> #5 0x000000010045b703 in eval7 ()
>>>>>> #6 0x000000010045ba94 in eval6 ()
>>>>>> #7 0x000000010045c46e in eval4 ()
>>>>>> #8 0x000000010045c7d1 in eval3 ()
>>>>>> #9 0x000000010045cbc8 in eval1 ()
>>>>>> #10 0x000000010045dca2 in eval0_retarg ()
>>>>>> #11 0x000000010045e692 in eval_to_string_eap ()
>>>>>> #12 0x0000000100473738 in eval_one_expr_in_str ()
>>>>>> #13 0x000000010061ef58 in eval_interp_string ()
>>>>>> #14 0x000000010045b35d in eval9 ()
>>>>>> #15 0x000000010045b703 in eval7 ()
>>>>>> #16 0x000000010045bc50 in eval6 ()
>>>>>> #17 0x000000010045c46e in eval4 ()
>>>>>> #18 0x000000010045c7d1 in eval3 ()
>>>>>> #19 0x000000010045cbc8 in eval1 ()
>>>>>> #20 0x00000001004eea76 in eval_list ()
>>>>>> #21 0x000000010045b09d in eval9 ()
>>>>>> #22 0x000000010045b703 in eval7 ()
>>>>>> #23 0x000000010045ba94 in eval6 ()
>>>>>> #24 0x000000010045c46e in eval4 ()
>>>>>> #25 0x000000010045c7d1 in eval3 ()
>>>>>> #26 0x000000010045cbc8 in eval1 ()
>>>>>> #27 0x000000010045dca2 in eval0_retarg ()
>>>>>> #28 0x000000010045e43f in eval_expr_ext ()
>>>>>> #29 0x000000010063aba4 in ex_class ()
>>>>>> #30 0x0000000100495066 in do_cmdline ()
>>>>>> #31 0x00000001005ac2d2 in do_source_ext ()
>>>>>> #32 0x00000001005ae97a in do_source ()
>>>>>> #33 0x0000000100661cbf in ex_import ()
>>>>>> #34 0x0000000100495066 in do_cmdline ()
>>>>>> #35 0x00000001005ac2d2 in do_source_ext ()
>>>>>> #36 0x00000001005ae97a in do_source ()
>>>>>> #37 0x0000000100642dc9 in find_imported ()
>>>>>> #38 0x00000001004766e1 in eval_variable ()
>>>>>> #39 0x000000010045b38a in eval9 ()
>>>>>> #40 0x000000010045b703 in eval7 ()
>>>>>> #41 0x000000010045ba94 in eval6 ()
>>>>>> #42 0x000000010045c46e in eval4 ()
>>>>>> #43 0x000000010045c7d1 in eval3 ()
>>>>>> #44 0x000000010045cbc8 in eval1 ()
>>>>>> #45 0x000000010045dca2 in eval0_retarg ()
>>>>>> #46 0x000000010045de52 in eval0 ()
>>>>>> [...]
>>>>>>
>>>>>> I have tried to create a reproducible scenario with a short script or
>>>>>> set of scripts, unsuccessfully.
>>>>>>
>>>>>> --
>>>>>> Christian J. Robinson <hept...@gmail.com>
>>>>>>
>>>>>>
>>>
>
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