[DTrace-devel] [PATCH v3] trace: print alloca pointers as actual pointer values

[Eugene Loh]

On 9/16/25 14:00, Kris Van Hees wrote:

> On Tue, Sep 16, 2025 at 01:07:50PM -0400, Eugene Loh wrote:
>> Just cleaning up my inbox...
>>
>> On 9/16/25 12:02, Kris Van Hees wrote:
>>
>>> On Tue, Sep 16, 2025 at 09:17:26AM -0400, Kris Van Hees wrote:
>>>> Eugene: Can you test with my kvh/2.0-branch-dev branch from ca-tools4?
>> Yeah.  I get the same issues.
>>> Ah, I just took my tree, and merged dev-queue into it, and now I am seeing the
>>> issue pop up with tst.tid_pid.sh at least so will look at that right now.
>> Cool.  Let me know if you need something else.
>>>> On Mon, Sep 15, 2025 at 11:20:28PM -0400, Kris Van Hees wrote:
>>>>> Do you have the pointer subtraction patch applied before this one?
>> Yes.
> These are the failures I see:
>
> test/unittest/aggs/tst.aggmod_full2.sh: FAIL: erroneous exitcode (1).
> test/unittest/builtinvar/tst.tid_pid.sh: FAIL: erroneous exitcode (1).
> test/unittest/consumer/tst.merge_ranges_bug25767469.c: FAIL: erroneous exitcode (1).
> test/unittest/consumer/tst.symbols.c: FAIL: erroneous exitcode (1).
> test/unittest/version/err.1.1.d: FAIL: core dumped.
>
> Only the tid_pid one seems to be related to the alloca handling code in
> store_val().

Agreed.

> Do you see other failures in addition to this?

Yes.  See 
https://oss.oracle.com/pipermail/dtrace-devel/2025-September/006645.html 
.  But I tried your fresh 2.0-branch-dev and it looked fine.  So I 
suspect things are good now, but I'll try the full test suite and check.