linux-kernel - WARNING: proc registration bug in clusterip_tg

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Message-ID: <f4030437f0e834ba2a05649d88c9@google.com>
Date:   Wed, 07 Feb 2018 03:24:01 -0800
From:   syzbot <syzbot+03218bcdba6aa76441a3@...kaller.appspotmail.com>
To:     coreteam@...filter.org, davem@...emloft.net, fw@...len.de,
        kadlec@...ckhole.kfki.hu, kuznet@....inr.ac.ru,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, pabeni@...hat.com,
        pablo@...filter.org, syzkaller-bugs@...glegroups.com,
        xiyou.wangcong@...il.com, yoshfuji@...ux-ipv6.org
Subject: WARNING: proc registration bug in clusterip_tg_check

Hello,

syzbot tried to test the proposed patch but build/boot failed:

kernel build failed: failed to run /usr/bin/make [make bzImage -j 32  
CC=/syzkaller/gcc/bin/gcc]: exit status 2
scripts/kconfig/conf  --silentoldconfig Kconfig
   CHK     include/config/kernel.release
   CHK     include/generated/uapi/linux/version.h
   CHK     include/generated/utsrelease.h
   CHK     scripts/mod/devicetable-offsets.h
   CHK     include/generated/bounds.h
   CHK     include/generated/timeconst.h
   CHK     include/generated/asm-offsets.h
   CALL    scripts/checksyscalls.sh
   CHK     include/generated/compile.h
   CC      net/ipv4/netfilter/ipt_CLUSTERIP.o
   CC      net/ipv4/netfilter/ipt_MASQUERADE.o
   CC      net/ipv4/netfilter/ipt_REJECT.o
   CC      net/ipv4/netfilter/ipt_SYNPROXY.o
   CC      net/ipv4/netfilter/arp_tables.o
   CC      net/ipv4/netfilter/arpt_mangle.o
   CC      net/ipv4/netfilter/arptable_filter.o
   CC      net/ipv4/netfilter/nf_dup_ipv4.o
net/ipv4/netfilter/ipt_CLUSTERIP.c: In function ‘clusterip_config_init’:
net/ipv4/netfilter/ipt_CLUSTERIP.c:253:22: error: expected ‘;’ before ‘:’  
token
    goto err_remove_pte:
                       ^
scripts/Makefile.build:316: recipe for  
target 'net/ipv4/netfilter/ipt_CLUSTERIP.o' failed
make[3]: *** [net/ipv4/netfilter/ipt_CLUSTERIP.o] Error 1
make[3]: *** Waiting for unfinished jobs....
scripts/Makefile.build:575: recipe for target 'net/ipv4/netfilter' failed
make[2]: *** [net/ipv4/netfilter] Error 2
scripts/Makefile.build:575: recipe for target 'net/ipv4' failed
make[1]: *** [net/ipv4] Error 2
Makefile:1020: recipe for target 'net' failed
make: *** [net] Error 2



Tested on net commit
176bfb406d735655f9a69d868a7af0c3da959d51 (Tue Feb 6 16:48:40 2018 +0000)
Merge branch 'be2net-patch-set'

compiler: gcc (GCC) 7.1.1 20170620
Patch is attached.




View attachment "patch.diff" of type "text/plain" (1263 bytes)