diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2022-08-21 11:52:48 +0300 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2022-08-24 08:43:20 +0300 |
| commit | ab482c6b66a4a8c0a8c0b0f577a785cf9ff1c2e2 (patch) | |
| tree | 545fbbbdacb5e42167d96abbb877cf15f0ef26a7 /include/net | |
| parent | 5dc52d83baac30decf5f3b371d5eb41dfa1d1412 (diff) | |
| download | linux-ab482c6b66a4a8c0a8c0b0f577a785cf9ff1c2e2.tar.xz | |
netfilter: nf_tables: make table handle allocation per-netns friendly
mutex is per-netns, move table_netns to the pernet area.
*read-write* to 0xffffffff883a01e8 of 8 bytes by task 6542 on cpu 0:
nf_tables_newtable+0x6dc/0xc00 net/netfilter/nf_tables_api.c:1221
nfnetlink_rcv_batch net/netfilter/nfnetlink.c:513 [inline]
nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline]
nfnetlink_rcv+0xa6a/0x13a0 net/netfilter/nfnetlink.c:652
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x652/0x730 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x643/0x740 net/netlink/af_netlink.c:1921
Fixes: f102d66b335a ("netfilter: nf_tables: use dedicated mutex to guard transactions")
Reported-by: Abhishek Shah <abhishek.shah@columbia.edu>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/netfilter/nf_tables.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 99aae36c04b9..cdb7db9b0e25 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -1652,6 +1652,7 @@ struct nftables_pernet { struct list_head module_list; struct list_head notify_list; struct mutex commit_mutex; + u64 table_handle; unsigned int base_seq; u8 validate_state; }; |