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 5.4-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-5.4 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 18:54:56 2023 From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> Date: Wed, 5 Jul 2023 18:54:23 +0200 Subject: netfilter: nf_tables: fix scheduling-while-atomic splat To: netfilter-devel@xxxxxxxxxxxxxxx Cc: sashal@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx Message-ID: <20230705165423.50054-11-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 @@ -7428,13 +7428,9 @@ 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-5.4/netfilter-nf_tables-fix-scheduling-while-atomic-splat.patch queue-5.4/netfilter-nf_tables-reject-unbound-anonymous-set-before-commit-phase.patch queue-5.4/netfilter-nf_tables-use-net_generic-infra-for-transaction-data.patch queue-5.4/netfilter-nf_tables-fix-nat-hook-table-deletion.patch queue-5.4/netfilter-nf_tables-incorrect-error-path-handling-with-nft_msg_newrule.patch queue-5.4/netfilter-nftables-add-helper-function-to-set-the-base-sequence-number.patch queue-5.4/netfilter-nf_tables-add-rescheduling-points-during-loop-detection-walks.patch queue-5.4/netfilter-nf_tables-add-nft_trans_prepare_error-to-deal-with-bound-set-chain.patch queue-5.4/netfilter-add-helper-function-to-set-up-the-nfnetlink-header-and-use-it.patch queue-5.4/netfilter-nf_tables-unbind-non-anonymous-set-if-rule-construction-fails.patch