You dropped syzbot from CC ;)
Add syzbot+03218bcdba6aa76441a3@xxxxxxxxxxxxxxxxxxxxxxxxx to To or CC.
On Wed, Feb 7, 2018 at 11:42 AM, syzbot
<syzbot+@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
>> master
>
>
> Can't find the corresponding bug.
>
>
>
>> I can't reproduce the issue locally, so asking the syzbot to test the
>> tentive fix for me (and hoping I did not mess with the tag/format)
>
>
>> ---
>> net/ipv4/netfilter/ipt_CLUSTERIP.c | 30 +++++++++++++++---------------
>> 1 file changed, 15 insertions(+), 15 deletions(-)
>
>
>> diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c
>> b/net/ipv4/netfilter/ipt_CLUSTERIP.c
>> index 3a84a60f6b39..db103cd971a9 100644
>> --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
>> +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
>> @@ -230,17 +230,6 @@ clusterip_config_init(struct net *net, const struct
>> ipt_clusterip_tgt_info *i,
>> refcount_set(&c->refcount, 1);
>> refcount_set(&c->entries, 1);
>
>
>> - spin_lock_bh(&cn->lock);
>> - if (__clusterip_config_find(net, ip)) {
>> - spin_unlock_bh(&cn->lock);
>> - kfree(c);
>> -
>> - return ERR_PTR(-EBUSY);
>> - }
>> -
>> - list_add_rcu(&c->list, &cn->configs);
>> - spin_unlock_bh(&cn->lock);
>> -
>> #ifdef CONFIG_PROC_FS
>> {
>> char buffer[16];
>> @@ -257,20 +246,31 @@ clusterip_config_init(struct net *net, const struct
>> ipt_clusterip_tgt_info *i,
>> }
>> #endif
>
>
>> + spin_lock_bh(&cn->lock);
>> + if (__clusterip_config_find(net, ip)) {
>> + spin_unlock_bh(&cn->lock);
>> + err = -EBUSY;
>> + goto err_remove_pte:
>> + }
>> +
>> + list_add_rcu(&c->list, &cn->configs);
>> + spin_unlock_bh(&cn->lock);
>> +
>> c->notifier.notifier_call = clusterip_netdev_event;
>> err = register_netdevice_notifier(&c->notifier);
>> if (!err)
>> return c;
>
>
>> + spin_lock_bh(&cn->lock);
>> + list_del_rcu(&c->list);
>> + spin_unlock_bh(&cn->lock);
>> +
>> +err_remove_pte:
>> #ifdef CONFIG_PROC_FS
>> proc_remove(c->pde);
>> err:
>> #endif
>> - spin_lock_bh(&cn->lock);
>> - list_del_rcu(&c->list);
>> - spin_unlock_bh(&cn->lock);
>> kfree(c);
>> -
>> return ERR_PTR(err);
>> }
>
>
>> --
>> 2.14.3
>
>
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>
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