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34cc9e5288
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Pablo Neira Ayuso 34cc9e5288 netfilter: nf_tables: cancel tracking for clobbered destination registers 
Output of expressions might be larger than one single register, this might
clobber existing data. Reset tracking for all destination registers that
required to store the expression output.

This patch adds three new helper functions:

- nft_reg_track_update: cancel previous register tracking and update it.
- nft_reg_track_cancel: cancel any previous register tracking info.
- __nft_reg_track_cancel: cancel only one single register tracking info.

Partial register clobbering detection is also supported by checking the
.num_reg field which describes the number of register that are used.

This patch updates the following expressions:

- meta_bridge
- bitwise
- byteorder
- meta
- payload

to use these helper functions.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2022-03-20 00:29:46 +01:00
..
6lowpan net: don't include ndisc.h from ipv6.h 2022-02-04 14:15:11 -08:00
9p xen/9p: use alloc/free_pages_exact() 2022-03-07 09:48:55 +01:00
802
8021q vlan: use correct format characters 2022-03-17 16:34:49 -07:00
appletalk
atm proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
ax25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-10 17:16:56 -08:00
batman-adv batman-adv: Use netif_rx(). 2022-03-07 11:40:41 +00:00
bluetooth Bluetooth: call hci_le_conn_failed with hdev lock in hci_le_conn_failed 2022-03-18 17:12:08 +01:00
bpf bpf, test_run: Fix overflow in XDP frags bpf_test_finish 2022-03-02 01:09:15 +01:00
bpfilter
bridge netfilter: nf_tables: cancel tracking for clobbered destination registers 2022-03-20 00:29:46 +01:00
caif net: caif: Use netif_rx(). 2022-03-04 12:02:19 +00:00
can can: isotp: support MSG_TRUNC flag when reading from socket 2022-03-16 21:41:40 +01:00
ceph libceph: optionally use bounce buffer on recv path in crc mode 2022-02-02 18:50:36 +01:00
core net: set default rss queues num to physical cores / 2 2022-03-18 12:00:35 -07:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp dccp: remove max48() 2022-01-27 13:53:27 +00:00
decnet net: decnet: use time_is_before_jiffies() instead of open coding it 2022-02-28 13:21:32 +00:00
dns_resolver
dsa net: dsa: pass extack to dsa_switch_ops :: port_mirror_add() 2022-03-17 17:42:47 -07:00
ethernet gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers 2021-11-24 17:21:42 -08:00
ethtool ethtool: add support to set/get completion queue event size 2022-02-23 20:33:05 -08:00
hsr net: add per-cpu storage and net->core_stats 2022-03-11 23:17:24 -08:00
ieee802154 net: ipv6: Handle delivery_time in ipv6 defrag 2022-03-03 14:38:48 +00:00
ife
ipv4 netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
ipv6 netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
iucv s390/iucv: sort out physical vs virtual pointers usage 2022-02-22 16:09:13 -08:00
kcm net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
key af_key: add __GFP_ZERO flag for compose_sadb_supported in function pfkey_register 2022-03-10 07:39:47 +01:00
l2tp l2tp: add netns refcount tracker to l2tp_dfs_seq_data 2021-12-10 06:38:27 -08:00
l3mdev net: Add l3mdev index to flow struct and avoid oif reset for port devices 2022-03-15 20:20:02 -07:00
lapb
llc sock: Use sock_owned_by_user_nocheck() instead of sk_lock.owned. 2021-12-10 19:43:00 -08:00
mac80211 mac80211: update bssid_indicator in ieee80211_assign_beacon 2022-03-15 11:50:33 +01:00
mac802154
mctp mctp: Avoid warning if unregister notifies twice 2022-02-25 22:23:23 -08:00
mpls net: mpls: Fix GCC 12 warning 2022-02-10 15:29:39 +00:00
mptcp mptcp: send ADD_ADDR echo before create subflows 2022-03-18 14:14:09 -07:00
ncsi all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate 2022-01-15 08:47:31 -08:00
netfilter netfilter: nf_tables: cancel tracking for clobbered destination registers 2022-03-20 00:29:46 +01:00
netlabel lsm: security_task_getsecid_subj() -> security_current_getsecid_subj() 2021-11-22 17:52:47 -05:00
netlink net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
netrom netrom: fix api breakage in nr_setsockopt() 2022-01-07 14:11:05 +00:00
nfc nfc: llcp: Revert "NFC: Keep socket alive until the DISC PDU is actually sent" 2022-03-03 10:43:37 +00:00
nsh
openvswitch net: openvswitch: fix uAPI incompatibility with existing user space 2022-03-10 20:14:52 -08:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-17 13:56:58 -07:00
phonet phonet: Use netif_rx(). 2022-03-07 11:40:41 +00:00
psample
qrtr bus: mhi: core: Add an API for auto queueing buffers for DL channel 2021-12-17 17:17:14 +01:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-16 16:13:19 -08:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
rxrpc rxrpc: Adjust retransmission backoff 2022-01-22 02:03:24 +00:00
sched net/sched: add vlan push_eth and pop_eth action to the hardware IR 2022-03-16 19:59:36 -07:00
sctp sctp: fix kernel-infoleak for SCTP sockets 2022-03-10 14:46:42 -08:00
smc net/smc: fix -Wmissing-prototypes warning when CONFIG_SYSCTL not set 2022-03-09 20:02:35 -08:00
strparser
sunrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-10 17:29:56 -08:00
switchdev net: switchdev: remove lag_mod_cb from switchdev_handle_fdb_event_to_device 2022-02-24 21:31:43 -08:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-10 17:16:56 -08:00
tls tls: cap the output scatter list to something reasonable 2022-02-04 10:14:07 +00:00
unix af_unix: Remove unnecessary brackets around CONFIG_AF_UNIX_OOB. 2022-03-18 14:06:39 -07:00
vmw_vsock vsock: each transport cycles only on its own sockets 2022-03-11 23:14:19 -08:00
wireless brcmfmac 2022-03-11 13:00:17 -08:00
x25 net: x25: drop harmless check of !more 2021-12-09 18:35:11 -08:00
xdp i40e: xsk: Move tmp desc array from driver to pool 2022-01-27 17:25:32 +01:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ 2022-03-19 14:49:08 +00:00
compat.c
devres.c
Kconfig page_pool: Add allocation stats 2022-03-03 09:55:28 +00:00
Kconfig.debug net: add networking namespace refcount tracker 2021-12-10 06:38:26 -08:00
Makefile
socket.c net: fix documentation for kernel_getsockname 2022-02-14 14:01:19 +00:00
sysctl_net.c