From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7B0D7C00140 for ; Fri, 12 Aug 2022 15:28:05 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 142B382951; Fri, 12 Aug 2022 15:28:05 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 142B382951 Authentication-Results: smtp1.osuosl.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=KobhE0oA X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fZdvqM-ngKkS; Fri, 12 Aug 2022 15:28:04 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 3250882890; Fri, 12 Aug 2022 15:28:04 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 3250882890 Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 11058C0032; Fri, 12 Aug 2022 15:28:04 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 68285C002D for ; Fri, 12 Aug 2022 15:28:03 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 3684F41862 for ; Fri, 12 Aug 2022 15:28:03 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 3684F41862 Authentication-Results: smtp4.osuosl.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=KobhE0oA X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 93QS5z6iA0b8 for ; Fri, 12 Aug 2022 15:28:02 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 5026C4185A Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by smtp4.osuosl.org (Postfix) with ESMTPS id 5026C4185A for ; Fri, 12 Aug 2022 15:28:02 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8985C6147D; Fri, 12 Aug 2022 15:28:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 69C47C433C1; Fri, 12 Aug 2022 15:28:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660318080; bh=Js90lG2a8CweNtF1ZgBlqyryGecyyYI5L5XDv9jU1pw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KobhE0oAhe5CUh6J0+dCswDw2xxhwa7nkHxFglctgM1+T6exPV0IQp2feT6W6xJao fcdt0YCo+oB9DfCD2VeRPnAQnmiGfwMIfwDjCfCYj5DsOUNPeVL15cJAbw8nSxoMMB p7hYC6DPcda76poYonlcnU2DZq/6k4d2y6V/M8Js= Date: Fri, 12 Aug 2022 17:27:58 +0200 From: Greg KH To: Siddh Raman Pant Subject: Re: [PATCH v2] wifi: cfg80211: Fix UAF in ieee80211_scan_rx() Message-ID: References: <20220726123921.29664-1-code@siddh.me> <18291779771.584fa6ab156295.3990923778713440655@siddh.me> <18292791718.88f48d22175003.6675210189148271554@siddh.me> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <18292791718.88f48d22175003.6675210189148271554@siddh.me> Cc: netdev , syzbot+6cb476b7c69916a0caca , linux-wireless , linux-kernel , syzbot+f9acff9bf08a845f225d , eric dumazet , syzbot+9250865a55539d384347 , jakub kicinski , johannes berg , paolo abeni , linux-kernel-mentees , "david s. miller" X-BeenThere: linux-kernel-mentees@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" On Fri, Aug 12, 2022 at 08:03:05PM +0530, Siddh Raman Pant wrote: > On Fri, 12 Aug 2022 17:45:58 +0530 Greg KH wrote: > > The merge window is for new features to be added, bugfixes can be merged > > at any point in time, but most maintainers close their trees until after > > the merge window is closed before accepting new fixes, like this one. > > > > So just relax, wait another week or so, and if there's no response, > > resend it then. > > > > Okay, sure. > > > Personally, this patch seems very incorrect, but hey, I'm not the wifi > > subsystem maintainer :) > > Why do you think so? rcu just delays freeing of an object, you might just be delaying the race condition. Just moving a single object to be freed with rcu feels very odd if you don't have another reference somewhere. Anyway, I don't know this codebase, so I could be totally wrong. greg k-h _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees