Re: port binary dumping core on recent head in poudriere

From: Guido Falsi <mad_at_madpilot.net>
Date: Sat, 23 Nov 2024 14:56:46 UTC
On 23/11/24 15:34, Guido Falsi wrote:
> On 21/11/24 18:33, Guido Falsi wrote:
>> On 21/11/24 18:27, Dimitry Andric wrote:
>>> On 21 Nov 2024, at 18:17, Guido Falsi <mad@madpilot.net> wrote:
>>>>
>>>> On 20/11/24 23:50, Guido Falsi wrote:
>>>>> On 20/11/24 22:14, Dimitry Andric wrote:
>>>>>> On 20 Nov 2024, at 18:32, Guido Falsi <mad@madpilot.net> wrote:
>>>>>>> I've noticed that recently some ports are dumping core during 
>>>>>>> builds of dependencies in head in poudriere.
>>>>>>>
>>>>>>> I'm seeing this for example with sassc crashing while trying to 
>>>>>>> build x11-themes/greybird-theme.
>>>>>>>
>>>>>>> My first suspect was the llvm upgrade in head, but forcing sassc 
>>>>>>> and libsass to build with older clang via USES=llvm:max=18 is not 
>>>>>>> helping.
>>>>>>>
>>>>>>> I did recompile the offending programs with debug and tried a 
>>>>>>> backtrace and got this:
>>>>>>>
>>>>>>> ```
>>>>>>> (lldb) bt
>>>>>>> * thread #1, name = 'sassc', stop reason = signal SIGSEGV: 
>>>>>>> invalid permissions for mapped object (fault address: 0x82374a000)
>>>>>>>    * frame #0: 0x000000082374a000 libsass.so.1
>>>>>>>      frame #1: 0x0000000823865a86 
>>>>>>> libsass.so.1`_GLOBAL__sub_I_ast.cpp [inlined] double 
>>>>>>> std::__1::__math::acos[abi:se190102]<int, 0>(__x=-1) at 
>>>>>>> inverse_trigonometric_functions.h:40:10
>>>>>>>      frame #2: 0x0000000823865a81 
>>>>>>> libsass.so.1`_GLOBAL__sub_I_ast.cpp [inlined] 
>>>>>>> __cxx_global_var_init at units.hpp:11:21
>>>>>>>      frame #3: 0x0000000823865a81 
>>>>>>> libsass.so.1`_GLOBAL__sub_I_ast.cpp at ast.cpp:0
>>>>>>>      frame #4: 0x00001eac6e3f078d ld-elf.so.1
>>>>>>>      frame #5: 0x00001eac6e3ef349 ld-elf.so.1
>>>>>>>      frame #6: 0x00001eac6e3ec099 ld- 
>>>>>>> elf.so.1`___lldb_unnamed_symbol27 + 25
>>>>>>> ```
>>>>>>>
>>>>>>> which points me to this upstream line of code: https:// 
>>>>>>> github.com/ sass/libsass/ 
>>>>>>> blob/7037f03fabeb2b18b5efa84403f5a6d7a990f460/src/ units.hpp#L11
>>>>>>>
>>>>>>> I could change the way it derives PI, but I'm not sure this is 
>>>>>>> the correct fix.
>>>>>>
>>>>>> At first sight this looks like some sort of initialization order 
>>>>>> fiasco, but without a full backtrace and some indications on what 
>>>>>> it is exactly segfaulting on it is hard to say. Is it reproducible?
>>>>> It is fully reproducible here by just compiling the sassc port and 
>>>>> trying to run it. It segfaults on startup.
>>>>
>>>> I'm following up to myself to note that I'm observing the same issue 
>>>> in textproc/opensp if trying to run anything linked with the 
>>>> library, for example its own binary "osx".
>>>>
>>>> I noticed it because it is required by libosp and then by gnucash 
>>>> which I use and maintain. libosp fails during configure due to a 
>>>> test binary compiled by configure script dumping core.
>>>>
>>>> I suspect there are more around the ports tree.
>>>
>>> I cannot reproduce this at all. For me the sassc binary runs fine, 
>>> and also the x11-themes/greybird-theme port builds fine. Then again, 
>>> my base system is probably older than yours? Which revision are you 
>>> running?
>>
>> I'm running cdfd0600dc8882f0a0d0e6d9a1cdcf926edba6d6 from Tue Nov 5 
>> 13:35:17 2024 -0800 (cut & paste from git log)
>>
>>
> 
> I tried upgrading to 07593d13fa2ad6fe4d962b7473c6020aef2a0414 from 
> yesterday, cleaning all ports, forcing a rebuild, but I see the exact 
> same issue.
> 

In fact, I noticed, guile2 is also showing this behaviour.


-- 
Guido Falsi <mad@madpilot.net>