diff options
| author |   Eric Dumazet <edumazet@google.com> | 2021-12-13 08:40:00 -0800 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2021-12-16 12:49:34 +0100 |
| commit | fc0d026a2fadd3a637677efa2e8bd3b70403f4aa (patch) | |
| tree | 31b15f8d1b6a8a030091febbc5e1540f33d5c02d /net/netfilter/nf_nat_masquerade.c | |
| parent | netfilter: nfnetlink: add netns refcount tracker to struct nfulnl_instance (diff) | |
| download | linux-dev-fc0d026a2fadd3a637677efa2e8bd3b70403f4aa.tar.xz linux-dev-fc0d026a2fadd3a637677efa2e8bd3b70403f4aa.zip | |
netfilter: nf_nat_masquerade: add netns refcount tracker to masq_dev_work
If compiled with CONFIG_NET_NS_REFCNT_TRACKER=y,
using put_net_track() in iterate_cleanup_work()
and netns_tracker_alloc() in nf_nat_masq_schedule()
might help us finding netns refcount imbalances.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to '')
| -rw-r--r-- | net/netfilter/nf_nat_masquerade.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/nf_nat_masquerade.c b/net/netfilter/nf_nat_masquerade.c index acd73f717a08..e32fac374608 100644 --- a/net/netfilter/nf_nat_masquerade.c +++ b/net/netfilter/nf_nat_masquerade.c @@ -12,6 +12,7 @@ struct masq_dev_work { struct work_struct work; struct net *net; + netns_tracker ns_tracker; union nf_inet_addr addr; int ifindex; int (*iter)(struct nf_conn *i, void *data); @@ -82,7 +83,7 @@ static void iterate_cleanup_work(struct work_struct *work) nf_ct_iterate_cleanup_net(w->net, w->iter, (void *)w, 0, 0); - put_net(w->net); + put_net_track(w->net, &w->ns_tracker); kfree(w); atomic_dec(&masq_worker_count); module_put(THIS_MODULE); @@ -119,6 +120,7 @@ static void nf_nat_masq_schedule(struct net *net, union nf_inet_addr *addr, INIT_WORK(&w->work, iterate_cleanup_work); w->ifindex = ifindex; w->net = net; + netns_tracker_alloc(net, &w->ns_tracker, gfp_flags); w->iter = iter; if (addr) w->addr = *addr; |