From patchwork Thu May 2 23:36:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Duoming Zhou X-Patchwork-Id: 13652210 Received: from sgoci-sdnproxy-4.icoremail.net (sgoci-sdnproxy-4.icoremail.net [129.150.39.64]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 109DB4CDE0; Thu, 2 May 2024 23:36:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=129.150.39.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714693005; cv=none; b=U0w3F40v/2k84btsXcJzeO8ArJ95Jj3/7J8bUo28i2X+DPI0/h9r6/nUL4Q5MRhsikr9SmQvJDzFnrytKkg6Vmo/tcp2h5eE2/d2FMib/Ras3Dm5ssq3LxXz22xteJVY/WB8AzgLYGycXr2EtlTYHef5CzzFgF0qW8xpr9onR/I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714693005; c=relaxed/simple; bh=jBKOsSBivqS7F+fVGIJGAZ4bcnWxyd5ZWWtsFuLVYH4=; h=From:To:Cc:Subject:Date:Message-Id; b=Ez5ZAGZs7ChpB9hX6vx65YXVx3XbK/cOAvShxNafchra1/TObLNNgQygfBiac08uf8P9VZipGQbI/yFfyfAX5yZaG/9UD9wVvgMR+Kt2w4ZN7VL1wqNIKO+NSxl68PTlaDJ3kcU+34nESZrjep4B2frIyESTaLy97kOLf6LfS28= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=zju.edu.cn; spf=pass smtp.mailfrom=zju.edu.cn; arc=none smtp.client-ip=129.150.39.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=zju.edu.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zju.edu.cn Received: from ubuntu.localdomain (unknown [221.192.179.227]) by mail-app2 (Coremail) with SMTP id by_KCgC3ZqZwIzRm7PwDAA--.6463S2; Fri, 03 May 2024 07:36:20 +0800 (CST) From: Duoming Zhou To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-hams@vger.kernel.org, pabeni@redhat.com, kuba@kernel.org, edumazet@google.com, davem@davemloft.net, jreuter@yaina.de, horms@kernel.org, Markus.Elfring@web.de, dan.carpenter@linaro.org, lars@oddbit.com, Duoming Zhou Subject: [PATCH net v2 0/2] ax25: fix reference counting issue of ax25_dev Date: Fri, 3 May 2024 07:36:14 +0800 Message-Id: X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: by_KCgC3ZqZwIzRm7PwDAA--.6463S2 X-Coremail-Antispam: 1UD129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUYX7AC8VAFwI0_Gr0_Xr1l1xkIjI8I6I8E 6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28Cjx kF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8I cVCY1x0267AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aV CY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAq x4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6x CaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwAC I402YVCY1x02628vn2kIc2xKxwCY02Avz4vE14v_uwCF04k20xvY0x0EwIxGrwCF54CYxV CY1x0262kKe7AKxVWUtVW8ZwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v2 6r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2 Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_ Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMI IF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUFJP_UUUUU = X-CM-SenderInfo: qssqjiasttq6lmxovvfxof0/1tbiAwUJAWYztgkCSgAIsk Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: X-Patchwork-Delegate: kuba@kernel.org The first patch changes kfree in ax25_dev_free to ax25_dev_put, because the ax25_dev is managed by reference counting. The second patch fixes potential reference counting leak issue in ax25_addr_ax25dev. You can see the former discussion in the following link: https://lore.kernel.org/netdev/20240501060218.32898-1-duoming@zju.edu.cn/ Duoming Zhou (2): ax25: change kfree in ax25_dev_free to ax25_dev_free ax25: fix potential reference counting leak in ax25_addr_ax25dev net/ax25/ax25_dev.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) Reviewed-by: Dan Carpenter