summaryrefslogtreecommitdiff
path: root/net/netfilter
diff options
context:
space:
mode:
authorFlorian Westphal <fw@strlen.de>2021-07-18 18:36:00 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2021-07-23 14:18:03 +0200
commit30a56a2b881821625f79837d4d968c679852444e (patch)
treecfd1d8b3d9f8e461ff9b5e9081c662809b13f4ed /net/netfilter
parent32953df7a6eb56bd9b8f18a13034d55f9fc96cfa (diff)
netfilter: conntrack: adjust stop timestamp to real expiry value
In case the entry is evicted via garbage collection there is delay between the timeout value and the eviction event. This adjusts the stop value based on how much time has passed. Fixes: b87a2f9199ea82 ("netfilter: conntrack: add gc worker to remove timed-out entries") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nf_conntrack_core.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 83c52df85870..5c03e5106751 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -670,8 +670,13 @@ bool nf_ct_delete(struct nf_conn *ct, u32 portid, int report)
return false;
tstamp = nf_conn_tstamp_find(ct);
- if (tstamp && tstamp->stop == 0)
+ if (tstamp) {
+ s32 timeout = ct->timeout - nfct_time_stamp;
+
tstamp->stop = ktime_get_real_ns();
+ if (timeout < 0)
+ tstamp->stop -= jiffies_to_nsecs(-timeout);
+ }
if (nf_conntrack_event_report(IPCT_DESTROY, ct,
portid, report) < 0) {