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 5F79538CA4 for ; Tue, 13 Jun 2023 18:03:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B779C433F0; Tue, 13 Jun 2023 18:03:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686679388; bh=A3DoD+w5nBtt/Eqi9Ef0QG0u5vL1Y7DfzNhYoMqpUM4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=NsZxGGcGMtLq7LjWXeqFjHEW0lsQfw+h/6VTQbXQe6zazanFGpezufYBvdYWjMesk mqoLD3vwfw6Ubex0VuXqfDiM69dASroUZjBObKOrZpFDDs1sD3Xinnn1cjfT0fQ8C1 SCCryOPEkNLm/8GRy3wMHj1PLtwzqzq60aKoLBJ+0R/94ECq41zhWjkSab+BLbQI+9 URRKlO/Ao7rENs7Y+4afaqAqC9TtI/BYS8a6yCUDiEr/uemoLUrnSr+bF8C/srljyX 8T1XXDSV0FtwFW+GtdUUHiw26SvgyJlCNoY8jP/9gnvAlPTzxHDYXOAJEfWgK/wBB5 XZA/qDIOV70RQ== Date: Tue, 13 Jun 2023 11:03:07 -0700 From: Jakub Kicinski To: Lin Ma Cc: chuck.lever@oracle.com, davem@davemloft.net, edumazet@google.com, kernel-tls-handshake@lists.linux.dev Subject: Re: [PATCH v1] net/handshake: remove fput() that causes use-after-free Message-ID: <20230613110307.2e46cd6a@kernel.org> In-Reply-To: <20230613083204.633896-1-linma@zju.edu.cn> References: <20230613083204.633896-1-linma@zju.edu.cn> Precedence: bulk X-Mailing-List: kernel-tls-handshake@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 13 Jun 2023 16:32:04 +0800 Lin Ma wrote: > A reference underflow is found in TLS handshake subsystem that causes a > direct use-after-free. Part of the crash log is like below: Thanks for the patch, could you repost CCing netdev@ ? We need that for the patch to make it to patchwork.