| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.19 198/365] netfilter: nf_tables: fix scheduling-while-atomic splat | Date | Tue, 23 Aug 2022 10:01:39 +0200 |
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From: Florian Westphal <fw@strlen.de>
commit 2024439bd5ceb145eeeb428b2a59e9b905153ac3 upstream.
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@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- 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 @@ -9372,13 +9372,9 @@ 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) ||
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