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4ff66cae7f
linux/net/core
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Christian Brauner 4ff66cae7f rtnetlink: require unique netns identifier 
Since we've added support for IFLA_IF_NETNSID for RTM_{DEL,GET,SET,NEW}LINK
it is possible for userspace to send us requests with three different
properties to identify a target network namespace. This affects at least
RTM_{NEW,SET}LINK. Each of them could potentially refer to a different
network namespace which is confusing. For legacy reasons the kernel will
pick the IFLA_NET_NS_PID property first and then look for the
IFLA_NET_NS_FD property but there is no reason to extend this type of
behavior to network namespace ids. The regression potential is quite
minimal since the rtnetlink requests in question either won't allow
IFLA_IF_NETNSID requests before 4.16 is out (RTM_{NEW,SET}LINK) or don't
support IFLA_NET_NS_{PID,FD} (RTM_{DEL,GET}LINK) in the first place.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-08 14:33:20 -05:00
..
datagram.c net: annotate ->poll() instances 2017-11-27 16:20:04 -05:00
dev_addr_lists.c
dev_ioctl.c dev_ioctl(): move copyin/copyout to callers 2018-01-24 19:13:45 -05:00
dev.c net_sched: plug in qdisc ops change_tx_queue_len 2018-01-29 12:42:15 -05:00
devlink.c devlink: fix memory leak on 'resource' 2018-01-22 09:27:10 -05:00
drop_monitor.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
dst_cache.c
dst.c net: Remove dst->next 2017-11-30 09:54:27 -05:00
ethtool.c bitmap: replace bitmap_{from,to}_u32array 2018-02-06 18:32:44 -08:00
fib_notifier.c net: Protect iterations over net::fib_notifier_ops in fib_seq_sum() 2017-11-15 14:01:30 +09:00
fib_rules.c fib_rules: exit_net cleanup check added 2017-11-14 15:45:53 +09:00
filter.c bpf: fix subprog verifier bypass by div/mod by 0 exception 2018-01-26 16:42:05 -08:00
flow_dissector.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-19 22:59:33 -05:00
gen_estimator.c net_sched: gen_estimator: fix lockdep splat 2018-01-29 14:29:10 -05:00
gen_stats.c net: sched: add support for TCQ_F_NOLOCK subqueues to sch_mq 2017-12-08 13:32:26 -05:00
gro_cells.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hwbm.c
link_watch.c net: link_watch: mark bonding link events urgent 2018-01-23 19:43:30 -05:00
lwt_bpf.c bpf: rename bpf_compute_data_end into bpf_compute_data_pointers 2017-09-26 13:36:44 -07:00
lwtunnel.c ipv6: sr: define core operations for seg6local lightweight tunnel 2017-08-07 14:16:22 -07:00
Makefile xdp: base API for new XDP rx-queue info concept 2018-01-05 15:21:20 -08:00
neighbour.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-17 00:10:42 -05:00
net_namespace.c net: Move net:netns_ids destruction out of rtnl_lock() and document locking scheme 2018-01-25 11:15:35 -05:00
net-procfs.c net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
net-sysfs.c net: introduce helper dev_change_tx_queue_len() 2018-01-29 12:42:15 -05:00
net-sysfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
net-traces.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
netclassid_cgroup.c cgroup: add @flags to css_task_iter_start() and implement CSS_TASK_ITER_PROCS 2017-07-21 11:14:51 -04:00
netevent.c
netpoll.c netpoll: Use lockdep to assert IRQs are disabled/enabled 2017-11-08 11:13:54 +01:00
netprio_cgroup.c net: remove duplicate includes 2017-12-13 13:18:46 -05:00
pktgen.c pktgen: Clean read user supplied flag mess 2018-01-24 15:03:36 -05:00
ptp_classifier.c
request_sock.c ipv4: Namespaceify tcp_max_syn_backlog knob 2016-12-29 11:38:31 -05:00
rtnetlink.c rtnetlink: require unique netns identifier 2018-02-08 14:33:20 -05:00
scm.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h> 2017-03-02 08:42:29 +01:00
secure_seq.c tcp: Namespaceify sysctl_tcp_timestamps 2017-06-08 10:53:29 -04:00
skbuff.c net: create skb_gso_validate_mac_len() 2018-02-01 09:36:03 -05:00
sock_diag.c net: core: fix module type in sock_diag_bind 2018-01-09 11:28:58 -05:00
sock_reuseport.c soreuseport: fix mem leak in reuseport_add_sock() 2018-02-02 19:47:03 -05:00
sock.c Currently, hardened usercopy performs dynamic bounds checking on slab 2018-02-03 16:25:42 -08:00
stream.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sysctl_net_core.c bpf: restrict access to core bpf sysctls 2018-01-19 18:37:00 -08:00
timestamping.c
tso.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
utils.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-05-02 16:40:27 -07:00
xdp.c xdp/qede: setup xdp_rxq_info and intro xdp_rxq_info_is_reg 2018-01-05 15:21:21 -08:00