RE: Bug#1126312: golang-1.25: FTBFS on s390x: TestTSAN: ThreadSanitizer: CHECK failed: tsan_platform_linux.cpp:571

To: Tianon Gravi <tianon@debian.org>
Cc: Vishwanatha H D <Vishwanatha.HD@ibm.com>, "1126312@bugs.debian.org" <1126312@bugs.debian.org>, debian-s390 <debian-s390@lists.debian.org>, Pokala Srinivas <Pokala.Srinivas@ibm.com>
Subject: RE: Bug#1126312: golang-1.25: FTBFS on s390x: TestTSAN: ThreadSanitizer: CHECK failed: tsan_platform_linux.cpp:571
From: Pranav P <pranav.p7@ibm.com>
Date: Fri, 6 Feb 2026 04:55:47 +0000
Message-id: <[🔎] CO1PR15MB4841A817DC46EE17F43DC474A066A@CO1PR15MB4841.namprd15.prod.outlook.com>
In-reply-to: <CO1PR15MB4841FC47EEEB787070DAFB6FA09FA@CO1PR15MB4841.namprd15.prod.outlook.com>
References: <176922596114.3704.862609914923080509.reportbug@58407a284905> <CO1PR15MB48416418BD5E23D625541790A095A@CO1PR15MB4841.namprd15.prod.outlook.com> <DM3PPFBEF07500F096F722F7E7FA4AF72239195A@DM3PPFBEF07500F.namprd15.prod.outlook.com> <CO1PR15MB4841628A2B728AF71124E9DBA09EA@CO1PR15MB4841.namprd15.prod.outlook.com> <CAHnKnK3WgRA6F=7udXCuU8ji84KHk5Hb6cA1ZxH7Nif+Kz+x9g@mail.gmail.com> <CO1PR15MB4841FC47EEEB787070DAFB6FA09FA@CO1PR15MB4841.namprd15.prod.outlook.com>

Hi Tianon,

The issue we are seeing on golang seems like a bug in ltsan.
I am able to see the same failure in gcc and on further communication
I got to know that this issue has been there since gcc-13. We are still
working on this. I will let you know if I find any updates.

Thanks,
Pranav

Reply to:

Follow-Ups:
- RE: Bug#1126312: golang-1.25: FTBFS on s390x: TestTSAN: ThreadSanitizer: CHECK failed: tsan_platform_linux.cpp:571
  - From: Pranav P <pranav.p7@ibm.com>