From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B597C3A9619; Tue, 17 Mar 2026 14:32:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773757975; cv=none; b=Tg5EP5JVaCvNV98ow6r16xCmk9MQ0kuFG0ipSDWbS6yeKY5muyEBmNWO9RqzT7dtm731QeGXbp1IKR5m4CNQnOIvpB8+rw3TxGFedWLvBH9gotZG0KoGLj3sooEwomBnaZrjZzvGi9mYyVUdKwogTZoad4+/mVOlI+SEner3M94= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773757975; c=relaxed/simple; bh=HREv/ys0o9btuxHvwb9D9esGrS6aIwKZqb+BsSc7rPs=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=pABRIGOyY2wjcCdr5mAVvfU4wh9KUFwFTDSsM41mE0JsqIVpYzzRZUbgmpHZsi3fl1HwSTMS6cCTli+yM4agQUa6qkJi903UsB5CCanZYeKCFPVQHqBAgnFA6D4Ll3rCwvKrAThMgwK7Bb0WGy7juMsH1MccGm3UJn/x2a+qZDQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lDzo1c9w; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lDzo1c9w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A3D2C4CEF7; Tue, 17 Mar 2026 14:32:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773757975; bh=HREv/ys0o9btuxHvwb9D9esGrS6aIwKZqb+BsSc7rPs=; h=Date:From:To:Cc:Subject:From; b=lDzo1c9wn+w8rlvENC/yFM5yO+O/LzcbwexurY6y/YBwaaRJxdC7azqRGqNCxIvPL t7gG/Mp7FJYx2lOIskiz+EZBjyUUkC41773tXEB1CvjUXVFWeIrhjtVW5D9WOSDwhV bs8x+XVioduAEFpEN8YBq5yX07Mqc2/adpEPyrIwMO7+EGl/+2clLTNL55xZrYP1oW N1IatKJcqkVdWi4I1b0zctrV5ZjdAXfvzSk7j6QZ8js8/E+AB8eq0ITw/08hkeslfh CkmJkjBzGa0hYe9tXbyeNiKMVD+Bjo19t9ZUrxudm3IchGQhSeKYVLuEJvF2m3AODG SFEd6QqSVo+jw== Date: Tue, 17 Mar 2026 14:32:51 +0000 From: Mark Brown To: Andrew Morton , David Carlier , Mathieu Desnoyers , Josh Law Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the mm-nonmm-unstable tree Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="C4oPTtn+2kh8bdzS" Content-Disposition: inline --C4oPTtn+2kh8bdzS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi all, After merging the mm-unstable tree, today's linux-next build (arm64 kunit) failed like this: [13:30:42] # hpcc_test_compare_value_boundaries: EXPECTATION FAILED at lib/tests/percpu_counter_tree_kunit.c:157 [13:30:42] Expected 1 == percpu_counter_tree_precise_compare_value(&pct, (long)under), but [13:30:42] percpu_counter_tree_precise_compare_value(&pct, (long)under) == 0 (0x0) [13:30:42] # hpcc_test_compare_value_boundaries: EXPECTATION FAILED at lib/tests/percpu_counter_tree_kunit.c:160 [13:30:42] Expected -1 == percpu_counter_tree_precise_compare_value(&pct, -(long)over), but [13:30:42] percpu_counter_tree_precise_compare_value(&pct, -(long)over) == 0 (0x0) [13:30:42] [FAILED] hpcc_test_compare_value_boundaries [13:30:42] # hpcc_test_compare_counter_boundaries: EXPECTATION FAILED at lib/tests/percpu_counter_tree_kunit.c:246 [13:30:42] Expected 1 == percpu_counter_tree_precise_compare(&pct[0], &pct[1]), but [13:30:42] percpu_counter_tree_precise_compare(&pct[0], &pct[1]) == 0 (0x0) [13:30:42] # hpcc_test_compare_counter_boundaries: EXPECTATION FAILED at lib/tests/percpu_counter_tree_kunit.c:251 [13:30:42] Expected -1 == percpu_counter_tree_precise_compare(&pct[0], &pct[1]), but [13:30:42] percpu_counter_tree_precise_compare(&pct[0], &pct[1]) == 0 (0x0) [13:30:42] [FAILED] hpcc_test_compare_counter_boundaries [13:30:42] [PASSED] hpcc_test_init_one [13:30:42] [PASSED] hpcc_test_set [13:30:42] # module: percpu_counter_tree_kunit [13:30:42] # percpu_counter_tree: pass:8 fail:2 skip:0 total:10 ... [13:30:47] Testing complete. Ran 9088 tests: passed: 9015, failed: 2, skipped: 71 [13:30:47] Failures: percpu_counter_tree.hpcc_test_compare_value_boundaries, percpu_counter_tree.hpcc_test_compare_counter_boundaries Triggered by commit ebc1ff504f557 (lib: add kunit boundary tests for percpu_counter_tree comparisons) though as it's a newly added test it's obviously entirely plausible that it's flagging an existing bug. I used the tree from next-20260316 instead. --C4oPTtn+2kh8bdzS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmm5ZhIACgkQJNaLcl1U h9CWmwf/aCOvIWj/9KWUSjT8mV7LkfWX18uChAc5WYC7SVsXfa6EtVgSnksO6DUz fwSkA9qLL4yqd8fVPohj/D1eCdygE9X4uULUs7LoC5V/s6jxodbXKDV0qBdom4oJ iBuvl3tNUWhK9BJC76i+85615cA/4DbTJXk2XMVZP2BksrmWempXrJpS5d8RNGvN ThSxZabVIzP5rH6vWt5e6acX9RpxNZeNz272vmPyXv3qw9KMh4nKG7VArD19zMoD uvuZWHkxxcsTohKdcneVIjZYKivo7Woiy0xHlROD5VMfGeoRTbA/7sdv8+CpB0dj ZKxq5IfpKXtGr7JzKBPm0YlRODJO4w== =Gxxf -----END PGP SIGNATURE----- --C4oPTtn+2kh8bdzS--