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 E66632F617C; Sat, 12 Sep 2026 12:17:18 +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=1789215440; cv=none; b=Ipa8tlnPwUrBWSjc3/CI+WG4zUyMlFlpXld/iiWqCFM10YJt6aWsmETot09zEWqRrnGxnrdcSxY3hz3T3eRPJYK8/oA46JQ7O84jpjg+hon4RwKc7wNqXjz+tIkcSfHvaLFRvl8cSSUm5aoWyWWxqwJrVhTnYIs3fT25Za4mEoY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789215440; c=relaxed/simple; bh=GVrNVQgdEa+coKPuVzPUvDShGbWsPT1cxcs4Kn7RIvs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=V/Wq5aFnCUCnGniF+mB4ZDCl1TiG3xPuWZrr/VLVd4yrom6GwQwoVDnHSOvprlx+d1uzScg0SXc9F6OGNvkUAS4DdYJV1Xt7pz0dIudMOfyDhEBBykYwSAfBQ1KHzJPE5DLBCaT4f5gqfxNLHBWwiEqMBLDQAx7AcqTzd6y1rWY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ZxF6ZVn6; 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="ZxF6ZVn6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A857D1F000FF; Sat, 12 Sep 2026 12:17:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789215438; bh=tjTWVlxwwBGy4wBY9twsA95OWwNIlkwxSi4HvTe+Qh0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ZxF6ZVn6VWULuie2BM6Zidfq8OBRv1sj8AIUit2Fe+NejIl6w9EZVJuByGlUzgd6u tRGSj7G1q3sd+JCHGPOWTeTt8ekjoFo9Hd2kmnOpr2dchHs3VmCwpDCYJGSimHOC7x CmndUVIXSbqqZbzzKEWUAWRq6TKqzcjXUl2+0kOM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, David Stevens , Dave Hansen , "H. Peter Anvin (Intel)" , Sasha Levin Subject: [PATCH 6.12 0532/1376] x86/entry/fred: Encode frame pointer on entry Date: Sat, 12 Sep 2026 08:49:18 +0200 Message-ID: <20260912065619.397967250@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065607.535295758@linuxfoundation.org> References: <20260912065607.535295758@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-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Stevens [ Upstream commit dab01c597f6bd40e0efe7da967b8374ca1971b79 ] Add missing ENCODE_FRAME_POINTER macro invocation into FRED_ENTER macro, to prevent the unwinder from encountering a NULL stack frame pointer when CONFIG_UNWINDER_FRAME_POINTER is enabled Fixes: 14619d912b65 ("x86/fred: FRED entry/exit and dispatch code") Signed-off-by: David Stevens Signed-off-by: Dave Hansen Acked-by: H. Peter Anvin (Intel) Link: https://patch.msgid.link/20260424191456.2679717-12-stevensd@google.com Signed-off-by: Sasha Levin --- arch/x86/entry/entry_64_fred.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/entry/entry_64_fred.S b/arch/x86/entry/entry_64_fred.S index 0ca9db540b16d..3c1bf47af56c2 100644 --- a/arch/x86/entry/entry_64_fred.S +++ b/arch/x86/entry/entry_64_fred.S @@ -6,6 +6,7 @@ #include #include +#include #include #include @@ -18,6 +19,7 @@ UNWIND_HINT_END_OF_STACK ANNOTATE_NOENDBR PUSH_AND_CLEAR_REGS + ENCODE_FRAME_POINTER movq %rsp, %rdi /* %rdi -> pt_regs */ .endm -- 2.53.0