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 8F14542A783 for ; Thu, 2 Jul 2026 08:26:15 +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=1782980778; cv=none; b=FMaoCD1yb9KA/qisMCeo0sAsfwPMwPnX/unw9HmVFyVs+vtwixK0Xyek0k3BAVYUfATaIdCZPHn84I/h2DRmDyzehtVt18luYnLVIiKqYTPmUZeQdnMe1T5nBjEuFBeK4Aj5t/vuTzwl/HE0YjqhEh8BaE/ofm8Tv9R+vbPO7vk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782980778; c=relaxed/simple; bh=jjud8H0YsHwNLDQyQG+vps4bbPQIEHspr8MZ7dXgx6w=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=mOUj4/3F5i+czowkprwqjH+iNvck12U1HeAySyW+dN4TabGTn7uMBO+2JV3Qzg1TPWfQSZXlCAeksjFaAd0OUY8iCzPUw8IWwiKrCc6LM0tvodnmNm++ukKZj84iger4SDHiKk0zo0jqTJhIyAxO0nRBw2HhZjPQ6T/Q4fILVvg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=v7QTly/l; 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="v7QTly/l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0958F1F000E9; Thu, 2 Jul 2026 08:26:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1782980775; bh=fG+VLQqLXctb/q4latzXgHjg13MAAmkFJYHQb7cqk4w=; h=Subject:To:Cc:From:Date; b=v7QTly/lpheMWeEyMGHIn1tMPeqHELz9LAMxsHFKEsQIZRE4NuZX27dKOObwSj9rQ gguDp37GG/06FpALvCDni7Qu9BRbHsGjbHOIJtE5qI2S3UGECFgOY/asR+rrAyljTq AK6wR6b6is9XhNmGX1hgSKOW+5jfntVioBboeHis= Subject: FAILED: patch "[PATCH] device property: initialize the remaining fields of" failed to apply to 7.1-stable tree To: bartosz.golaszewski@oss.qualcomm.com,andriy.shevchenko@linux.intel.com,dakr@kernel.org,rafael@kernel.org,sakari.ailus@linux.intel.com Cc: From: Date: Thu, 02 Jul 2026 10:26:19 +0200 Message-ID: <2026070219-kangaroo-washed-a6e0@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 7.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-7.1.y git checkout FETCH_HEAD git cherry-pick -x 7eba000621fff223dd7bab484d48918c7c77a307 # git commit -s git send-email --to '' --in-reply-to '2026070219-kangaroo-washed-a6e0@gregkh' --subject-prefix 'PATCH 7.1.y' 'HEAD^..' Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 7eba000621fff223dd7bab484d48918c7c77a307 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Mon, 11 May 2026 09:49:26 +0200 Subject: [PATCH] device property: initialize the remaining fields of fwnode_handle in fwnode_init() If a firmware node is allocated on the stack (for instance: temporary software node whose life-time we control) or on the heap - but using a non-zeroing allocation function - and initialized using fwnode_init(), its secondary pointer will contain uninitialized memory which likely will be neither NULL nor IS_ERR() and so may end up being dereferenced (for example: in dev_to_swnode()). Set fwnode->secondary to NULL on initialization. While at it: initialize the remaining fields of struct fwnode_handle too just to be sure. Cc: stable@vger.kernel.org Fixes: 01bb86b380a3 ("driver core: Add fwnode_init()") Reviewed-by: Sakari Ailus Reviewed-by: Rafael J. Wysocki (Intel) Reviewed-by: Andy Shevchenko Signed-off-by: Bartosz Golaszewski Link: https://patch.msgid.link/20260511074927.9473-1-bartosz.golaszewski@oss.qualcomm.com [ Fix typo in commit message. - Danilo ] Signed-off-by: Danilo Krummrich diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 80b38fbf2121..c30a9baafc0d 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -208,9 +208,12 @@ struct fwnode_operations { static inline void fwnode_init(struct fwnode_handle *fwnode, const struct fwnode_operations *ops) { + fwnode->secondary = NULL; fwnode->ops = ops; + fwnode->dev = NULL; INIT_LIST_HEAD(&fwnode->consumers); INIT_LIST_HEAD(&fwnode->suppliers); + fwnode->flags = 0; } static inline void fwnode_set_flag(struct fwnode_handle *fwnode,