This is a note to let you know that I've just added the patch titled
netfilter: nf_tables: fix scheduling-while-atomic splat
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
netfilter-nf_tables-fix-scheduling-while-atomic-splat.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From stable-owner@xxxxxxxxxxxxxxx Wed Jul 5 18:56:03 2023
From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Wed, 5 Jul 2023 18:55:16 +0200
Subject: netfilter: nf_tables: fix scheduling-while-atomic splat
To: netfilter-devel@xxxxxxxxxxxxxxx
Cc: sashal@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
Message-ID: <20230705165516.50145-11-pablo@xxxxxxxxxxxxx>
From: Florian Westphal <fw@xxxxxxxxx>
[ 2024439bd5ceb145eeeb428b2a59e9b905153ac3 ]
nf_tables_check_loops() can be called from rhashtable list
walk so cond_resched() cannot be used here.
Fixes: 81ea01066741 ("netfilter: nf_tables: add rescheduling points during loop detection walks")
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/netfilter/nf_tables_api.c | 4 ----
1 file changed, 4 deletions(-)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -7021,13 +7021,9 @@ static int nf_tables_check_loops(const s
break;
}
}
-
- cond_resched();
}
list_for_each_entry(set, &ctx->table->sets, list) {
- cond_resched();
-
if (!nft_is_active_next(ctx->net, set))
continue;
if (!(set->flags & NFT_SET_MAP) ||
Patches currently in stable-queue which might be from stable-owner@xxxxxxxxxxxxxxx are
queue-4.19/netfilter-nf_tables-fix-scheduling-while-atomic-splat.patch
queue-4.19/netfilter-nf_tables-reject-unbound-anonymous-set-before-commit-phase.patch
queue-4.19/netfilter-nf_tables-use-net_generic-infra-for-transaction-data.patch
queue-4.19/netfilter-nf_tables-incorrect-error-path-handling-with-nft_msg_newrule.patch
queue-4.19/netfilter-nf_tables-add-nft_trans_prepare_error-to-deal-with-bound-set-chain.patch
queue-4.19/netfilter-nf_tables-unbind-non-anonymous-set-if-rule-construction-fails.patch
