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 8F15722173D; Sun, 7 Dec 2025 21:35:20 +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=1765143327; cv=none; b=qXxjRq0RnPAPFL2yCsOM7zYb2/WZwKt08kEEZZ/3XaI+882vr/LXKGp/ZDU+oa4/MiSQ63mKw41Non8OvWpds4KD92rhEWupHs7mpDAuKXR/4FJmC0hBJYFDwOztQRwV02/bwpv5nQADHpVUMYjC9Up79bQdRpTPRYI8UAJwtz0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765143327; c=relaxed/simple; bh=9GNOlvVC9agtAvRTCw0woLqh6y4k89CpbFCe7tACn7Q=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=hHo8j/KaTFdUnai6QuBqs0P+44zgEEdNvQJruhS2f8gf19+1xS9XRZ38FCw63h71VPKx3sBoM47CCqc9U4qI3CninaUbZ+e9vM7wqkx+kixgwEB3VzVrqqJGzJmEHGXkIsMNVqDmS2NGW8qwmNQ02KuZNSyLYWTSyiEZ0YQlImA= 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=NO9XXrKy; 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="NO9XXrKy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=202503; t=1765143312; bh=/4cNmOlP3N1MM6WMET4vScazPML/doqaGPiPKBn1Us8=; h=Date:From:To:Cc:Subject:From; b=NO9XXrKyPPfsC67RkukCb/YLJhbFf/NH5sbKeWgFLi4ET0knFWpYrdyuPW9ggXLsg TK9wEy3CGYW5CbZGh0AC+4Ll7j0MRmTVXjXetE5N2c/zN/VPZkqEUEUD5FEnygEQOd M+GB3w8PDXm6bUoFLFdjrlsEn2bkms5HfzK6gW/B70kCAO45Wb8w/Nq5SwGg8JG4Wv hVhkQeId8LVvxjRFNuqzneSHu7QXrbqQS8bDPDq0zhkKHckPTMOgjYKTLtio/+7L7Q wDENQfaUblN60GDPzJtPbdlF7GkL5kN8mF3//0F62VxriqPx0Orn/l/XbLEU29IBJo bymx3oaVfY/IA== 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 secp256r1 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4dPdgh0TqTz4wD1; Mon, 08 Dec 2025 08:35:12 +1100 (AEDT) Date: Mon, 8 Dec 2025 08:35:11 +1100 From: Stephen Rothwell To: Andrew Morton Cc: Maciej Wieczor-Retman , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the mm-hotfixes tree Message-ID: <20251208083511.6dc45509@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/7XSMcqyt=qM1=e9ydmdPmIi"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/7XSMcqyt=qM1=e9ydmdPmIi Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the mm-hotfixes tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from arch/x86/include/asm/bug.h:193, from include/linux/bug.h:5, from include/linux/kasan.h:5, from mm/kasan/common.c:14: mm/kasan/common.c: In function '__kasan_unpoison_vmap_areas': mm/kasan/common.c:594:34: error: 'KASAN_VMALLOC_KEEP_TAG' undeclared (first= use in this function); did you mean 'KASAN_VMALLOC_PAGE_RANGE'? 594 | if (WARN_ON_ONCE(flags & KASAN_VMALLOC_KEEP_TAG)) | ^~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/bug.h:120:32: note: in definition of macro 'WARN_ON_ONC= E' 120 | int __ret_warn_on =3D !!(condition); = \ | ^~~~~~~~~ mm/kasan/common.c:594:34: note: each undeclared identifier is reported only= once for each function it appears in 594 | if (WARN_ON_ONCE(flags & KASAN_VMALLOC_KEEP_TAG)) | ^~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/bug.h:120:32: note: in definition of macro 'WARN_ON_ONC= E' 120 | int __ret_warn_on =3D !!(condition); = \ | ^~~~~~~~~ Caused by commit 6b83afdcfa93 ("kasan: unpoison vms[area] addresses with a common tag") I have reverted that commit (and the following 2 fixes) for today. --=20 Cheers, Stephen Rothwell --Sig_/7XSMcqyt=qM1=e9ydmdPmIi Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmk18w8ACgkQAVBC80lX 0GyO7AgAkWJBz5laS6Wp6IGv94Fbf0GJ/TDtImk/nPLcPlrK1Cu0QxBLopJKKIWt kyd4MfVh7CGqyNo21fZ366App83Xkw2pCpYANvfnOqbNf0MGtN00j91K8AuLM0iB HcmDdBNmD4b35gNwAY/o7bVQiNkQjA6/Iz60jA7CjkeEM8HrMH0R+M4hqkbw0oG8 fDlofDHOitVJchPtIqtGriMcMhQ0da2nyAVfS/zTaC8vVRctPbF514wur3remSl0 hzySiS8yziAKRHCwOntmyCjyzp0d7w7hobbqgN2tgEZtuLFIhukzzBaC40ftoinA ZQYe3qzoVuipdw0mdsUI9P3EYn0Wbw== =3+qc -----END PGP SIGNATURE----- --Sig_/7XSMcqyt=qM1=e9ydmdPmIi--