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4a02426787
The xtables packet traverser performs an unconditional local_bh_disable(),
but the nf_tables evaluation loop does not.
Functions that are called from either xtables or nftables must assume
that they can be called in process context.
inet_twsk_deschedule_put() assumes that no softirq interrupt can occur.
If tproxy is used from nf_tables its possible that we'll deadlock
trying to aquire a lock already held in process context.
Add a small helper that takes care of this and use it.
Link: https://lore.kernel.org/netfilter-devel/401bd6ed-314a-a196-1cdc-e13c720cc8f2@balasys.hu/
Fixes:
|
||
|---|---|---|
| .. | ||
| ip6_tables.c | ||
| ip6t_ah.c | ||
| ip6t_eui64.c | ||
| ip6t_frag.c | ||
| ip6t_hbh.c | ||
| ip6t_ipv6header.c | ||
| ip6t_mh.c | ||
| ip6t_NPT.c | ||
| ip6t_REJECT.c | ||
| ip6t_rpfilter.c | ||
| ip6t_rt.c | ||
| ip6t_srh.c | ||
| ip6t_SYNPROXY.c | ||
| ip6table_filter.c | ||
| ip6table_mangle.c | ||
| ip6table_nat.c | ||
| ip6table_raw.c | ||
| ip6table_security.c | ||
| Kconfig | ||
| Makefile | ||
| nf_conntrack_reasm.c | ||
| nf_defrag_ipv6_hooks.c | ||
| nf_dup_ipv6.c | ||
| nf_reject_ipv6.c | ||
| nf_socket_ipv6.c | ||
| nf_tproxy_ipv6.c | ||
| nft_dup_ipv6.c | ||
| nft_fib_ipv6.c | ||
| nft_reject_ipv6.c | ||