linux-kernel - Re: [PATCH 3/5] erofs: use meta buffers for super operations

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Date:   Fri, 7 Jan 2022 00:40:52 +0800
From:   Gao Xiang <hsiangkao@...ux.alibaba.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     kbuild@...ts.01.org, linux-erofs@...ts.ozlabs.org,
        Chao Yu <yuchao0@...wei.com>, Chao Yu <chao@...nel.org>,
        Liu Bo <bo.liu@...ux.alibaba.com>, lkp@...el.com,
        kbuild-all@...ts.01.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/5] erofs: use meta buffers for super operations

Hi Dan,

On Thu, Jan 06, 2022 at 06:08:48PM +0300, Dan Carpenter wrote:
> Hi Gao,
> 
> url:    https://github.com/0day-ci/linux/commits/Gao-Xiang/erofs-get-rid-of-erofs_get_meta_page/20211229-121538
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test
> config: x86_64-randconfig-m001-20211230 (https://download.01.org/0day-ci/archive/20211231/202112310650.TDDinvVT-lkp@intel.com/config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> 
> smatch warnings:
> fs/erofs/super.c:153 erofs_read_metadata() warn: possible memory leak of 'buffer'

Many thanks for the report.

It has already been fixed in the latest version:
https://lore.kernel.org/all/20220102081317.109797-1-hsiangkao@linux.alibaba.com/

(I've pushed out to the linux-next...)

Thanks,
Gao Xiang