From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 F25BA4A0F10; Thu, 1 Oct 2026 19:30:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790883018; cv=none; b=YXU6cUSSkO3/yD1m7HGbJHstQN+GBNFDdpqIMpG3qseRaFIXVVmcXa/X9wimnqUTRPE0G5GYbtWb1uzWdgNsSf5FhvsRoCAyuWm3v1BmySTaDofmlUoIt/Dvxi6q+pSeE1c0U7BIDsOcJ9FDQZ3sruGhHnZNYLk4qmHBmoAIKf0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790883018; c=relaxed/simple; bh=LojnI9U3LVbmOWCs1RX/+AMx2dAc6oFQDg5806p8OC8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=juMcatE4I7CL1g0r5ny8rGoQ0lxA62i7rm1SIs/bmqq8MnH/HQEAxKfEvTtz/zkq96g8cAJl/9bLr9jY8ER8NeU1ofaWAh1QooVOYgTn753g3wPEM14tQ+JYmUFqBVMYKB+AkIk/8HRyEQS2iXK2T3THVR0DfcWLZJrGyQVNOfA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MDV7nb+0; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MDV7nb+0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F9231F000FF; Thu, 1 Oct 2026 19:30:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790883016; bh=4/2Wx4CfhUAprfyBEjIHOTc5lLBpb1YzaqfM8uby9Q4=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=MDV7nb+0hzSO5uOvlOPM44vkg/iaXuaF/e+U1nVezaZ+4L/TT9hRxM4mcvpo8p4FN Gnaz+BH2umkHqCTxTTgncSV0BaGmeTFY85ooFdYlsXdCPGje5Uip4q1A6iJ0Skg28e STXEdMfHvINzAfyNv9tA8HYfsCuyXWmk6zTRDtz5NYZTQzT2dBQ6LNPgKxT30T21QJ kDYCTZr3DWk3XapSkZvDajLqWqZ9zRizilhI36bfnAlNLbP0yF5uVdPN3a89qzAYe+ 8Ht8J8Gb2By6I90De0t2+Y9mm0fycS3hMLtkcxE1zLcv8d1Y0Qj+79Trff1aeYBYe0 CBvWrT2a498QQ== Date: Thu, 1 Oct 2026 21:30:13 +0200 From: Nathan Chancellor To: Mark Brown Cc: Theodore Ts'o , "Jason A. Donenfeld" , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build failure after merge of the random tree Message-ID: <20261001193013.GA713848@ax162> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Oct 01, 2026 at 04:40:32PM +0100, Mark Brown wrote: > Hi all, > > After merging the random tree, today's linux-next build > (arm64 defconfig) failed like this: > > In file included from /tmp/next/build/include/linux/list.h:11, > from /tmp/next/build/include/linux/resource_ext.h:9, > from /tmp/next/build/include/linux/acpi.h:14, > from /tmp/next/build/include/acpi/apei.h:9, > from /tmp/next/build/include/acpi/ghes.h:5, > from /tmp/next/build/include/linux/arm_sdei.h:8, > from /tmp/next/build/arch/arm64/kernel/asm-offsets.c:11: > /tmp/next/build/include/linux/objpool.h: In function > '__objpool_try_get_slot': /tmp/next/build/include/linux/objpool.h:130:42: > warning: taking address of packed member of 'struct objpool_slot' may > result in an unaligned pointer value [-Waddress-of-packed-member] > 130 | uint32_t head = smp_load_acquire(&slot->head); ... > and x86_64 allmodconfig had a similarly bad time with -Werror turned on. > > Caused by commit > > 56ff95ee85715 (random: vDSO: avoid call to memset() when zeroing reserved parameter) > > (which is the only new commit in the random tree.) I have used the > version from next-20260930 instead. Just to close the loop for others, I think this is a result of a problematic resolution between the random and Kbuild trees, not a problem with that change in and of itself. https://lore.kernel.org/20261001192731.GA713751@ax162/ -- Cheers, Nathan