netdev - Re: [PATCH v2] appletalk: Fix use-after-free in atalk_proc

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Message-ID: <201903010338.juKxVZFF%fengguang.wu@intel.com>
Date:   Fri, 1 Mar 2019 03:29:14 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Yue Haibing <yuehaibing@...wei.com>
Cc:     kbuild-all@...org, davem@...emloft.net, joe@...ches.com,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, YueHaibing <yuehaibing@...wei.com>
Subject: Re: [PATCH v2] appletalk: Fix use-after-free in atalk_proc_exit

Hi YueHaibing,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]
[also build test WARNING on v5.0-rc8 next-20190228]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Yue-Haibing/appletalk-Fix-use-after-free-in-atalk_proc_exit/20190228-195802
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 8.2.0-11) 8.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.2.0 make.cross ARCH=arm64 

All warnings (new ones prefixed by >>):

>> WARNING: vmlinux.o(.init.text+0x1ebba4): Section mismatch in reference from the function atalk_init() to the function .exit.text:atalk_proc_exit()
   The function __init atalk_init() references
   a function __exit atalk_proc_exit().
   This is often seen when error handling in the init function
   uses functionality in the exit path.
   The fix is often to remove the __exit annotation of
   atalk_proc_exit() so it may be used outside an exit section.

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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