Thread (17 messages) flat view 17 messages, 2 authors, 2026-06-22
COLD42d

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[PATCH net 08/14] netfilter: ipset: make sure gc is properly stopped

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2026-06-20 22:27:54
Also in: netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

From: Jozsef Kadlecsik <redacted>

Sashiko noticed that when destroying a set,
cancel_delayed_work_sync() was called while gc
calls queue_delayed_work() unconditionally which
can lead not to properly shutting down the gc.

Fixes: f66ee0410b1c ("netfilter: ipset: Fix "INFO: rcu detected stall in hash_xxx" reports")
Signed-off-by: Jozsef Kadlecsik <redacted>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/ipset/ip_set_hash_gen.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 00c27b95207f..dedf59b661dd 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -606,7 +606,7 @@ mtype_cancel_gc(struct ip_set *set)
 	struct htype *h = set->data;
 
 	if (SET_WITH_TIMEOUT(set))
-		cancel_delayed_work_sync(&h->gc.dwork);
+		disable_delayed_work_sync(&h->gc.dwork);
 }
 
 static int
-- 
2.47.3
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