FAILED: patch "[PATCH] netfilter: nf_tables: discard table flag update with pending" failed to apply to 5.4-stable tree

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The patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y
git checkout FETCH_HEAD
git cherry-pick -x 1bc83a019bbe268be3526406245ec28c2458a518
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024040515-cornbread-bottling-0651@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^..

Possible dependencies:



thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From 1bc83a019bbe268be3526406245ec28c2458a518 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Wed, 3 Apr 2024 19:35:30 +0200
Subject: [PATCH] netfilter: nf_tables: discard table flag update with pending
 basechain deletion

Hook unregistration is deferred to the commit phase, same occurs with
hook updates triggered by the table dormant flag. When both commands are
combined, this results in deleting a basechain while leaving its hook
still registered in the core.

Fixes: 179d9ba5559a ("netfilter: nf_tables: fix table flag updates")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index e02d0ae4f436..d89d77946719 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1209,10 +1209,11 @@ static bool nft_table_pending_update(const struct nft_ctx *ctx)
 		return true;
 
 	list_for_each_entry(trans, &nft_net->commit_list, list) {
-		if ((trans->msg_type == NFT_MSG_NEWCHAIN ||
-		     trans->msg_type == NFT_MSG_DELCHAIN) &&
-		    trans->ctx.table == ctx->table &&
-		    nft_trans_chain_update(trans))
+		if (trans->ctx.table == ctx->table &&
+		    ((trans->msg_type == NFT_MSG_NEWCHAIN &&
+		      nft_trans_chain_update(trans)) ||
+		     (trans->msg_type == NFT_MSG_DELCHAIN &&
+		      nft_is_base_chain(trans->ctx.chain))))
 			return true;
 	}
 





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