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netfilter: nf_tables: disable register tracking

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The register tracking infrastructure is incomplete, it might lead to
generating incorrect ruleset bytecode, disable it by now given we are
late in the release process.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2022-03-12 11:05:46 +01:00
parent ee0a4dc9f3
commit ed5f85d422
1 changed files with 7 additions and 2 deletions
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9
net/netfilter/nf_tables_api.c
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@ -8260,6 +8260,12 @@ void nf_tables_trans_destroy_flush_work(void)
} }
EXPORT_SYMBOL_GPL(nf_tables_trans_destroy_flush_work); EXPORT_SYMBOL_GPL(nf_tables_trans_destroy_flush_work);
static bool nft_expr_reduce(struct nft_regs_track *track,
const struct nft_expr *expr)
{
return false;
}
static int nf_tables_commit_chain_prepare(struct net *net, struct nft_chain *chain) static int nf_tables_commit_chain_prepare(struct net *net, struct nft_chain *chain)
{ {
const struct nft_expr *expr, *last; const struct nft_expr *expr, *last;
@ -8307,8 +8313,7 @@ static int nf_tables_commit_chain_prepare(struct net *net, struct nft_chain *cha
nft_rule_for_each_expr(expr, last, rule) { nft_rule_for_each_expr(expr, last, rule) {
track.cur = expr; track.cur = expr;
if (expr->ops->reduce && if (nft_expr_reduce(&track, expr)) {
expr->ops->reduce(&track, expr)) {
expr = track.cur; expr = track.cur;
continue; continue;
} }