* [PATCH nf] netfilter: nf_tables: set last expression in register tracking area
@ 2022-01-12 11:31 Pablo Neira Ayuso
0 siblings, 0 replies; only message in thread
From: Pablo Neira Ayuso @ 2022-01-12 11:31 UTC (permalink / raw)
To: netfilter-devel; +Cc: dan.carpenter
nft_rule_for_each_expr() sets on last to nft_rule_last(), however, this
is coming after track.last field is set on.
Use nft_expr_last() to set track.last accordingly.
Fixes: 12e4ecfa244b ("netfilter: nf_tables: add register tracking infrastructure")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 1cde8cd0d1a7..cf454f8ca2b0 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -8299,7 +8299,7 @@ static int nf_tables_commit_chain_prepare(struct net *net, struct nft_chain *cha
return -ENOMEM;
size = 0;
- track.last = last;
+ track.last = nft_expr_last(rule);
nft_rule_for_each_expr(expr, last, rule) {
track.cur = expr;
--
2.30.2
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2022-01-12 11:31 [PATCH nf] netfilter: nf_tables: set last expression in register tracking area Pablo Neira Ayuso
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