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 514BA33A00C for ; Thu, 2 Jul 2026 08:27:08 +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=1782980829; cv=none; b=h7qP1gbStTBS7evLO1PhhlFx669zNEQJpNai+zTmRMEtg5MHTb7TIQxxc4j1Oha8/I7KVZe2seKBBe5zXMHTJw7XQWC6Mg40+QYd5SvPIMzyvtAGnkYXWLpbWJvFd2XSZw1riS7cUyCVc8r0PmohjNLhltBey41mYNYgekWT9/s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782980829; c=relaxed/simple; bh=yzVCKkL9zq8zlXIkagS//+sufCcXM+GJ09YBJRRsweY=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=r5asAZJJigShVtuMYZNKBh2MGJWjB4n4OaiFLe4yFre4SSg+LqncKNktvX5X5Lg9o4fB+SWjf2ykb2BsWUEUbgfFqW3Zq227ZWRazcayvS/gDIiSZpOguJdN+1EUZSzD050Zm8qCvOrh3mOMWSrwMzpleHfa8+pJ+DdlYCIV0tE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=sgFe8oYC; 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="sgFe8oYC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 860FF1F000E9; Thu, 2 Jul 2026 08:27:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1782980828; bh=r2Uos648r29wRdlcHPIqKXM3GljogIxYrnroUCTElWM=; h=Subject:To:Cc:From:Date; b=sgFe8oYCdnWStQd77aP9q94rH2lnaFhoDFNjpj62vYjWEbhgVGX/WDzrrdNASDYEl 1ZrL0zP/9vxFXqZ0Vzu3O3cXgDEb/Ljdg7ea3xViyD9oIa/DCw+nlBuYfvr93YTOje +AYkbhZCQeOec+A3Inx6qY9gO9StDDs7XIlCJNZ8= Subject: FAILED: patch "[PATCH] device property: initialize the remaining fields of" failed to apply to 5.15-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 10:26:20 +0200 Message-ID: <2026070220-sandbar-discourse-8d8e@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 5.15-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-5.15.y git checkout FETCH_HEAD git cherry-pick -x 7eba000621fff223dd7bab484d48918c7c77a307 # git commit -s git send-email --to '' --in-reply-to '2026070220-sandbar-discourse-8d8e@gregkh' --subject-prefix 'PATCH 5.15.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,