From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 206782E8B7C; Wed, 22 Oct 2025 05:25:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761110762; cv=none; b=G7dQxVfRJ1Ns5Nzq11YS4ubwnDoZKC0ep1WtOL1MmAOFQzk7aOnZtUDba1vB7PjADVmFS3cyAIr+vcVIburaWHBDews2mfYt9o+VjFyVL/1ttupJxyWrgmg+S49f/wdpsdv/q7Z8A0hMC8Aqc2RZgGkvx9Z5KomeGrPEq/7nEb4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761110762; c=relaxed/simple; bh=mXpas3Q7II2E3RIoc0YNALZ0k7lZjrC4FDNfZkG9wws=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=JFxuqj9HF8rKnGeJioWLNZ5q8GpNe4i7sfFwuKfQo2YlImuyTUqTZtTbg7elSRZBj15jlS2JV6qN2cdu8fAtkdSIBYzr+zkVsGMNw5Wypnfms5kbsWnsTrnMHSlHWJst1JOTxaBWyFxYFMpxBG+WzCTp4a8jmgUhWXsbviue7So= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=Hn48pNTX; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="Hn48pNTX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=202503; t=1761110755; bh=Czzn4YjA0DxoPNd1smsST42zqWunupnU/PC+dbX27q0=; h=Date:From:To:Cc:Subject:From; b=Hn48pNTXmbmy0HLGHugXg6Mara41fmRu4FlwF1r5eBInq3XSbdg9W4Ug6CpEerpTc zMDglorDskudJJoadv4JKEzi9fGA+aNSE7ax65IJV+zrwkrVUjiYU+KK82IChi9xj3 NlYHOsAwE25JMDLi6ijibjHgHQm6PkLe5pwyo9S8J1iaTyrbTTjWfHLhX/rLvN7eDR 4O2h6ielaXzohBVKnuU7MU7kVywl2mVisMjo6uPkHZ5OYtaIXfx9POsudCp5Ozmubd mvAJMV8lo3uhXxPgP5Vrh/gekeg2Yd0aUsKvKtMsB3ISvFwPx0i80Thrb3nArlDRBX 2N25eV2OMMlRQ== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4cryLV6bXTz4w9Q; Wed, 22 Oct 2025 16:25:54 +1100 (AEDT) Date: Wed, 22 Oct 2025 16:25:53 +1100 From: Stephen Rothwell To: Jens Axboe Cc: Keith Busch , Linux Kernel Mailing List , Linux Next Mailing List , "kernelci.org bot" Subject: linux-next: build failure after merge of the block tree Message-ID: <20251022162553.5dfb4df9@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/4Cy70XElTL/JV3ERhJ7mIjd"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/4Cy70XElTL/JV3ERhJ7mIjd Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the block tree, today's linux-next build (x86_64 defconfig clang-17) failed like this: io_uring/fdinfo.c:103:22: error: variable 'sqe' is uninitialized when used = here [-Werror,-Wuninitialized] 103 | opcode =3D READ_ONCE(sqe->opcode); | ^~~ ./include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE' 50 | __READ_ONCE(x); = \ AR drivers/irqchip/built-in.a | ^ ./include/asm-generic/rwonce.h:44:72: note: expanded from macro '__READ_ONC= E' 44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x)= *)&(x)) | = ^ io_uring/fdinfo.c:92:27: note: initialize the variable 'sqe' to silence thi= s warning 92 | struct io_uring_sqe *sqe; | ^ | =3D NULL 1 error generated. Introduced by commit 31dc41afdef2 ("io_uring: add support for IORING_SETUP_SQE_MIXED") See the KerneCI report here: https://d.kernelci.org/i/maestro:764471d48b9e1faab06d96f79a325cdcf2a995b7 --=20 Cheers, Stephen Rothwell --Sig_/4Cy70XElTL/JV3ERhJ7mIjd Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmj4auEACgkQAVBC80lX 0GzLvQf/XqMj9cyI3VRKC3CHrDrAvKoc++cyQw284WK6XLPsZjJ0DxBQWyt5xe/F 0yodv5ebJzP/KaF+HBHVaVCihu2sFX6GXHdO9kNnnQFaWVqLA3hAevfyTyv+kV7m 4e8lv3x8HIIYsKwJLttnWgkUAqm9F5wOD6C3eYBGQIIevkUNQs+9M7x2WRYpLnQs cVzj2ZINDhbSYv7UQCmgd/hwp0VCbM6fpwIjmKRv0Fu6cCKk4xg4uY5zDMJ7dvbu xlthtgjEZ+JrPkapChii41+gx5l5IudVA4iFXNaw57vRtND6cw8cus/H1PoT7K0f fC5KBSiMsN83SYDqiFZWK4cANlI5KA== =tgp6 -----END PGP SIGNATURE----- --Sig_/4Cy70XElTL/JV3ERhJ7mIjd--