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 5F33728030E; Sat, 12 Sep 2026 10:00:55 +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=1789207256; cv=none; b=VtKvt0Mwkak4s8590CrgVFzP/dBGSclmQcmjmjMIj90OVOe8XTOg0d7yZUQXcon1M/XQbVpbjjOzGSmlLEJZkfx3knUoW9o89i9y0BPr+MYLEfhCWOPbval0LZzKuDYFkoFbt3PqzPDevJr147NkaWZp5rJUPHn8cyWw+urdXm8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789207256; c=relaxed/simple; bh=HOTXIZSHgr51IMT2caRDyOHLJ62RApm3Ec8tMKqkfp0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NUI5k5sasICjC7c8Rsa5Bf+ytA9ct7dmYJAtB/hhLbeZ3GY2LQ4uXbo+YzHryrVIy+tn7Ez2lvG41AfPWSZdnwloTUkLNNMzuzsrp1cXI5ZcdCkk5Jzcr74KNYvS7dBK2Cn5IVNF2D3dBi1b9sOBnVxYe+fvaLUSYTJUkC7TWLY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fzdHzlk7; 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="fzdHzlk7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 248731F000FF; Sat, 12 Sep 2026 10:00:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789207255; bh=PX90j8J1CuHatWjvJJgy0ggYFWHdsMBopVxPbDFudCg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=fzdHzlk70hIRBeFpJmFBWw5MTGTNI6zdmj/89fwdZQQs2DQhNM0zexdwYUCLk2ouD dlOSNViNOstmkmPrY8zCJGC7JbnfN28R3sygMKzSS8N3+FuwWhpM4Vwx1SO3VWLhiS 7uwqgQtpHJGvIE7bY9C9a8OsO6+qU7eTpEc0MgRw= 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 6.18 0376/1518] x86/entry/fred: Encode frame pointer on entry Date: Sat, 12 Sep 2026 08:42:25 +0200 Message-ID: <20260912065631.971396987@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065623.398859879@linuxfoundation.org> References: <20260912065623.398859879@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-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 fafbd3e68cb87..3b40519602077 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