From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E17B441C71 for ; Wed, 9 Jul 2025 21:54:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752098100; cv=none; b=D0tdR6PtP9id3sIs1xj01i7+kK+9Hpd4zf+sYDanuFeYKkK2pLeOAGNx4jx8dbKR0eQr0bsRDMlwYOTe3lIPmn31CmivhW1YiTciOJLqpXIctzZKTR/2YjXNHVkrWsw+P6B+dL42FFd5ermRASZAuHbkLZuks+/pFDKl970sfp8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752098100; c=relaxed/simple; bh=g01q5/t8IhirkE+0g8SGisklHTTSUQOrqly6IH5zqUE=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=q1Vvmv5pk+syzIrswWzQ14iDK1H83oKMWEI6RPAaVAG8BljFw7cEEMnzmfUB8nqzDu6jjo1ZCNqAfWr/F/eeFOJ3E15NHw3aykOlNVCs2/avOKq3V01vPrlzlWZzm0mVdoWvE20fwhIAHk9Ab8NRVVJqKOQ13vk6EfFJYW1lAMA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VtaSl1Mb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VtaSl1Mb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 53F0AC4CEEF; Wed, 9 Jul 2025 21:54:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752098099; bh=g01q5/t8IhirkE+0g8SGisklHTTSUQOrqly6IH5zqUE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=VtaSl1MbblIZINxFfjt7Ms196N2Dxu14S6tIdqX/wnAlv2hE3CHp2UhRP0KOvBokX 6mfracfzsIQTprrP2f73ISCubmrZ7SnxRZEDFVPieW6DyMFKjKBZuaDijyR2TMgluT K0LClvKNZDgIUsLXks1ok7+I3Go4C4IKVXE7iJDoTm7Uw0hgAgYq6Gi8R5pkodjpkw 8tT4omUPVfR/MdSBTpGuJGtuiTOtc7i8lGwUx1/AdpRN9HfoWFkFa/Rm7LoZO6AKlF YunoirM0R+feHYMsvOKCldyjuYx9ueRX9h/GJOGmlZS6wV6bX8ZtJRbRlCmx96nXfN BDq9yZriQNZUw== Date: Wed, 9 Jul 2025 14:54:58 -0700 From: Jakub Kicinski To: Xiang Mei Cc: xiyou.wangcong@gmail.com, netdev@vger.kernel.org, gregkh@linuxfoundation.org, jhs@mojatatu.com, jiri@resnulli.us, security@kernel.org Subject: Re: [PATCH v2] net/sched: sch_qfq: Fix race condition on qfq_aggregate Message-ID: <20250709145458.1440382c@kernel.org> In-Reply-To: References: <20250709180622.757423-1-xmei5@asu.edu> <20250709131920.7ce33c83@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 9 Jul 2025 14:41:29 -0700 Xiang Mei wrote: > On Wed, Jul 09, 2025 at 01:19:20PM -0700, Jakub Kicinski wrote: > > On Wed, 9 Jul 2025 11:06:22 -0700 Xiang Mei wrote: > > > Reported-by: Xiang Mei > > > Fixes: 462dbc9101ac ("pkt_sched: QFQ Plus: fair-queueing service at DRR cost") > > > Signed-off-by: Xiang Mei > > > > Reported-by is for cases where the bug is reported by someone else than > > This bug's fixing is a little special since I am both the person who reported > it and the patch author. I may need a "Reported-by" tag mentioning me since I > exploited this bug in Google's bug bounty program (kerneCTF) and they will > verify the Reported-by tag to make sure I am the person found the bug. I'd be surprised if Google folks didn't understand kernel tags. Please drop the tag and if you have any trouble you can refer them to this thread (or ping me).