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netfilter: nf_tables: set last expression in register tracking area 

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: 12e4ecfa24 ("netfilter: nf_tables: add register tracking infrastructure")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2022-01-12 12:29:05 +01:00
parent cf46eacbc1
commit fe75e84a8f
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_tables_api.c
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@ -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;