netdev - Re: [PATCH net-next] inet: remove races in inet{6}

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Message-ID: <6962a637-0772-4069-c17b-d401c7ef93d6@gmail.com>
Date:   Tue, 26 Oct 2021 14:20:28 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     kernel test robot <lkp@...el.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     kbuild-all@...ts.01.org, netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        syzbot <syzkaller@...glegroups.com>
Subject: Re: [PATCH net-next] inet: remove races in inet{6}_getname()



On 10/26/21 1:53 PM, kernel test robot wrote:
> Hi Eric,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on net-next/master]
> 
> url:    https://github.com/0day-ci/linux/commits/Eric-Dumazet/inet-remove-races-in-inet-6-_getname/20211027-013901
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6b3671746a8a3aa05316b829e1357060f35009c1
> config: csky-defconfig (attached as .config)
> compiler: csky-linux-gcc (GCC) 11.2.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/0day-ci/linux/commit/337791bc53db80fb5982e0f66be795a2d37c3d8d
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Eric-Dumazet/inet-remove-races-in-inet-6-_getname/20211027-013901
>         git checkout 337791bc53db80fb5982e0f66be795a2d37c3d8d
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=csky 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 

Apparently there is a missing declaration in the include file.

I will include this bit in V2

diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index 2746fd8042162c68d869bcbe210cee13bf89cf34..3536ab432b30cbeac6273d0ad8affaf9f23e3789 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -517,6 +517,7 @@ static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map,
 
 #define cgroup_bpf_enabled(atype) (0)
 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, atype, t_ctx) ({ 0; })
+#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, atype) ({ 0; })
 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)
 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })
 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; })