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 8EDA13F39F5; Wed, 20 May 2026 18:01:14 +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=1779300076; cv=none; b=H2KiDoCBMp1QKZd5E+pEiESyZm3Sb0XKnu0ttgCFopsrGqtu2uXhlKhzVbT9JcltFgxUV2JBXw2LVoHuM1JDtGeRAt0nC8mowivOKG93kFM4WVDRX0w/dIDWriBvDOuyuQL3EL+XYOMeo8vzp9X6uXsFs1jSzqpiWeIETGmTjlg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779300076; c=relaxed/simple; bh=g/LbxD8S4KX8XEXhsi3VNl+ZoojpdXAmI6j9NTaSA4k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ljIqvLeVT9S1fqGtcaDu8V3inJuqVnBHuBXDJzvDAOj0op49J3Zk6+jFw9D1E2hJ7JW48yXlbenC9QrPKT29Nl1ETUJaVhrnI4vollRXry54pIGzzIvnzgoqMXTTpfCE76eGG6h5y7AIOvkRAowypRpnF7KnYsHd1iEZW58ZJ4A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=XZ/J1FFK; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="XZ/J1FFK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF90F1F00893; Wed, 20 May 2026 18:01:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779300074; bh=jm80kvjjXhiVq0wWOYmujx1K6or16uYYhyIs12EfLZo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=XZ/J1FFKEQaoNoOVDNv264Me3Qzz2KDKDg/0D3u/bpnYV0I+bcgQbdw0WzdWUyC/2 rykk7mYJfhnOWIDVlrqhks1cGzWeSeQ+0cH+8loJJB0D2Lvoc56Sqobc0qko8+bxjx Wz6nv6DgWR6OCFgyMeNJ8a/CgykukD5dQzynoxLM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Ingo Molnar , "David S. Miller" , Andreas Larsson , Sasha Levin Subject: [PATCH 6.12 030/666] sparc/vdso: Always reject undefined references during linking Date: Wed, 20 May 2026 18:14:01 +0200 Message-ID: <20260520162111.887984871@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162111.222830634@linuxfoundation.org> References: <20260520162111.222830634@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Weißschuh [ Upstream commit 652262975db421767ada3f05b926854bbb357759 ] Instead of using a custom script to detect and fail on undefined references, use --no-undefined for all VDSO linker invocations. Drop the now unused checkundef.sh script. Signed-off-by: Thomas Weißschuh Signed-off-by: Ingo Molnar Cc: David S. Miller Cc: Andreas Larsson Link: https://lore.kernel.org/r/20250306-vdso-checkundef-v2-2-a26cc315fd73@linutronix.de Stable-dep-of: acc4f131d5d5 ("sparc64: vdso: Link with -z noexecstack") Signed-off-by: Sasha Levin --- arch/sparc/vdso/Makefile | 7 +++---- arch/sparc/vdso/checkundef.sh | 10 ---------- 2 files changed, 3 insertions(+), 14 deletions(-) delete mode 100644 arch/sparc/vdso/checkundef.sh diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index 243dbfc4609d8..c7697884975ea 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -22,7 +22,7 @@ targets += $(foreach x, 32 64, vdso-image-$(x).c vdso$(x).so vdso$(x).so.dbg) CPPFLAGS_vdso.lds += -P -C -VDSO_LDFLAGS_vdso.lds = -m elf64_sparc -soname linux-vdso.so.1 --no-undefined \ +VDSO_LDFLAGS_vdso.lds = -m elf64_sparc -soname linux-vdso.so.1 \ -z max-page-size=8192 $(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE @@ -101,7 +101,6 @@ $(obj)/vdso32.so.dbg: FORCE \ quiet_cmd_vdso = VDSO $@ cmd_vdso = $(LD) -nostdlib -o $@ \ $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ - -T $(filter %.lds,$^) $(filter %.o,$^) && \ - sh $(src)/checkundef.sh '$(OBJDUMP)' '$@' + -T $(filter %.lds,$^) $(filter %.o,$^) -VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 -Bsymbolic +VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 -Bsymbolic --no-undefined diff --git a/arch/sparc/vdso/checkundef.sh b/arch/sparc/vdso/checkundef.sh deleted file mode 100644 index 2d85876ffc325..0000000000000 --- a/arch/sparc/vdso/checkundef.sh +++ /dev/null @@ -1,10 +0,0 @@ -#!/bin/sh -objdump="$1" -file="$2" -$objdump -t "$file" | grep '*UUND*' | grep -v '#scratch' > /dev/null 2>&1 -if [ $? -eq 1 ]; then - exit 0 -else - echo "$file: undefined symbols found" >&2 - exit 1 -fi -- 2.53.0