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bh=f5U2gsmEV/Jo6nl3pS4i/shxm59wUPtJcL0Tb1538Pk=; b=jMhSvLDdbM3c2moMAxaz3myGhazLTr70rtsnkZ5nEQpGxYvGUKhBYkrnfTw74tUQ2ncpWV wvv+oTVP7WGE9u9bt3YY1e2fGqUEi5ltAIJkW/7XBLjrAFI/dmaRuF7/qHTMNVmXmvum9b G6drf2VX7rcLjSz429yepupcwkwwKko= X-MC-Unique: MIUU-L_yPsupvQoSFckiww-1 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , Wainer dos Santos Moschetta , Beraldo Leal , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PATCH 3/3] gitlab: use 'setarch -R' to workaround tsan bug Date: Mon, 13 May 2024 12:15:51 +0100 Message-ID: <20240513111551.488088-4-berrange@redhat.com> In-Reply-To: <20240513111551.488088-1-berrange@redhat.com> References: <20240513111551.488088-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.332, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1715598997090100003 The TSAN job started failing when gitlab rolled out their latest release. The root cause is a change in the Google COS version used on shared runners. This brings a kernel running with vm.mmap_rnd_bits =3D 31 which is incompatible with TSAN in LLVM < 18, which only supports upto '28'. LLVM 18 can support upto '30', and failing that will re-exec itself to turn off VA randomization. Our LLVM is too old for now, but we can run with 'setarch -R make ..' to turn off VA randomization ourselves. Signed-off-by: Daniel P. Berrang=C3=A9 Reviewed-by: Thomas Huth --- .gitlab-ci.d/buildtest.yml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml index bab6194564..d864562628 100644 --- a/.gitlab-ci.d/buildtest.yml +++ b/.gitlab-ci.d/buildtest.yml @@ -575,6 +575,9 @@ tsan-build: CONFIGURE_ARGS: --enable-tsan --cc=3Dclang --cxx=3Dclang++ --enable-trace-backends=3Dust --disable-slirp TARGETS: x86_64-softmmu ppc64-softmmu riscv64-softmmu x86_64-linux-user + # Remove when we switch to a distro with clang >=3D 18 + # https://github.com/google/sanitizers/issues/1716 + MAKE: setarch -R make =20 # gcov is a GCC features gcov: --=20 2.43.0