From nobody Sun Feb 8 05:27:43 2026 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 0A3D638F954; Tue, 13 Jan 2026 14:01:50 +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=1768312911; cv=none; b=IhzyrTBryi9mgdAid7djKv0OU/Ikhuw1Np8Vs1p7LV7qiB2QDvKarYqixXNDXiUvGHarP4cSD9SyeAyKaB3l26Krm0+GtJKDauzIms1013d4lM46biuP55TN16ljbXMbgtYZZxhalzZ/RCzLBbup+vUZ5RILQRA7TMLkYYY9FiI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768312911; c=relaxed/simple; bh=Ky5VSxrU0PMcDbX+1v+S7rmG55ge1p1tE92wE4WB7yc=; h=From:To:Cc:Subject:In-Reply-To:Date:Message-ID:MIME-Version: Content-Type; b=k4tHGXs015ax3FuQ+5XizB4E8zx5qaKX0z6AdLGtuh0YRsBzcHRd+csusjOEGaQMQKRYv9b1ztECTrxf4A/9fVkc0M6k+Hl2/OgSpRucShBBr9+coP+vfd5FMqmbqDcbEf+XjkepNFi/DxvmHiu17+44kvuwUFc15TCkt/rDtLo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hK1ya/+u; 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="hK1ya/+u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 115FFC16AAE; Tue, 13 Jan 2026 14:01:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768312910; bh=Ky5VSxrU0PMcDbX+1v+S7rmG55ge1p1tE92wE4WB7yc=; h=From:To:Cc:Subject:In-Reply-To:Date:From; b=hK1ya/+u1Uu7554P1dNavMAXY4O/+Pby1VPfgNaFx7vA8+4JY7wQr9G7mmD78wBv3 8KPFbrWCuAHA/Roskl03a3o25MWsMiqVSenuVtsomDiHYhTcgwetuXURqzW7VtxdvL GzTzekggstpwL5slfS3N+TB6KB29HYz/xgrC2nQ165A5/8XuTxje1PLi7MxOWoEnau xB+nqsIrVQ1r9p+QEi0HcEyivFO2mutO1FGMreTTTd/FlGUQf7iSFCj8GyUONfx2uq a1Mi8v1ArwfJGeLk5EVTa39CFp5V8OBaHTSdom9YQaOieqmDTcNPr7xqJyPxf+XAzK pBZ+w3hkfK4wA== From: Thomas Gleixner To: kernel test robot , Nam Cao Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Ingo Molnar Subject: [PATCH] time/sched_clock: Use ACCESS_PRIVATE() to evaluate hrtimer::function In-Reply-To: <202601131713.KsxhXQ0M-lkp@intel.com> Date: Tue, 13 Jan 2026 15:01:47 +0100 Message-ID: <87jyxlk3w4.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This dereference of sched_clock_timer::function was missed when the hrtimer callback function pointer was marked private. Fixes: 04257da0c99c ("hrtimers: Make callback function pointer private") Reported-by: kernel test robot Signed-off-by: Thomas Gleixner Closes: https://lore.kernel.org/oe-kbuild-all/202601131713.KsxhXQ0M-lkp@int= el.com/ --- kernel/time/sched_clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/time/sched_clock.c +++ b/kernel/time/sched_clock.c @@ -215,7 +215,7 @@ void sched_clock_register(u64 (*read)(vo =20 update_clock_read_data(&rd); =20 - if (sched_clock_timer.function !=3D NULL) { + if (ACCESS_PRIVATE(sched_clock_timer, function) !=3D NULL)) { /* update timeout for clock wrap */ hrtimer_start(&sched_clock_timer, cd.wrap_kt, HRTIMER_MODE_REL_HARD);