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de460ddd8b795ceca8a826771ef8feb016bb438d
linux/net/ipv6
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David Ahern 8a14e46f14 net/ipv6: Fix missing rcu dereferences on from 
kbuild test robot reported 2 uses of rt->from not properly accessed
using rcu_dereference:
1. add rcu_dereference_protected to rt6_remove_exception_rt and make
   sure it is always called with rcu lock held.

2. change rt6_do_redirect to take a reference on 'from' when accessed
   the first time so it can be used the sceond time outside of the lock

Fixes: a68886a691 ("net/ipv6: Make from in rt6_info rcu protected")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-23 16:12:55 -04:00
..
ila
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
netfilter
inet: frags: fix ip6frag_low_thresh boundary
2018-04-04 12:04:59 -04:00
addrconf_core.c
net: ipv6: Make inet6addr_validator a blocking notifier
2017-10-20 13:15:07 +01:00
addrconf.c
net/ipv6: Fix gfp_flags arg to addrconf_prefix_route
2018-04-19 15:40:13 -04:00
addrlabel.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
af_inet6.c
net/ipv6: Make __inet6_bind static
2018-04-17 13:19:22 -04:00
ah6.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-11-15 11:56:19 -08:00
anycast.c
net/ipv6: Remove aca_idev
2018-04-19 15:40:13 -04:00
calipso.c
net, calipso: convert calipso_doi.refcount from atomic_t to refcount_t
2017-07-04 22:35:16 +01:00
datagram.c
ipv6: add a wrapper for ip6_dst_store() with flowi6 checks
2018-04-04 11:31:57 -04:00
esp6_offload.c
esp: check the NETIF_F_HW_ESP_TX_CSUM bit before segmenting
2018-02-27 10:46:01 +01:00
esp6.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-01-17 00:10:42 -05:00
exthdrs_core.c
inet: whitespace cleanup
2018-02-28 11:43:28 -05:00
exthdrs_offload.c
…
exthdrs.c
ipv6: Count interface receive statistics on the ingress netdev
2018-04-17 13:39:51 -04:00
fib6_notifier.c
net: Add module reference to FIB notifiers
2017-09-01 20:33:42 -07:00
fib6_rules.c
net: fib_rules: add extack support
2018-04-23 10:21:24 -04:00
fou6.c
fou: make local function static
2017-05-21 13:42:36 -04:00
icmp.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
inet6_connection_sock.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-01-28 10:33:06 -05:00
inet6_hashtables.c
inet: Add a 2nd listener hashtable (port+addr)
2017-12-03 10:18:28 -05:00
ip6_checksum.c
udplite: fix partial checksum initialization
2018-02-16 15:57:42 -05:00
ip6_fib.c
net/ipv6: Make from in rt6_info rcu protected
2018-04-21 16:06:14 -04:00
ip6_flowlabel.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
ip6_gre.c
ip6_gre: better validate user provided tunnel names
2018-04-05 15:16:15 -04:00
ip6_icmp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ip6_input.c
ipv6: Count interface receive statistics on the ingress netdev
2018-04-17 13:39:51 -04:00
ip6_offload.c
gso: fix payload length when gso_size is zero
2017-10-08 10:12:15 -07:00
ip6_offload.h
udp: Add GRO functions to UDP socket
2016-04-07 16:53:29 -04:00
ip6_output.c
net/ipv6: Make from in rt6_info rcu protected
2018-04-21 16:06:14 -04:00
ip6_tunnel.c
ip6_tunnel: better validate user provided tunnel names
2018-04-05 15:16:15 -04:00
ip6_udp_tunnel.c
ip6_udp_tunnel: remove unused IPCB related codes
2016-11-02 15:18:36 -04:00
ip6_vti.c
vti6: better validate user provided tunnel names
2018-04-05 15:16:15 -04:00
ip6mr.c
net: fib_rules: add extack support
2018-04-23 10:21:24 -04:00
ipcomp6.c
net: inet: Support UID-based routing in IP protocols.
2016-11-04 14:45:23 -04:00
ipv6_sockglue.c
inet: whitespace cleanup
2018-02-28 11:43:28 -05:00
Kconfig
ipmr,ipmr6: Define a uniform vif_device
2018-03-01 13:13:23 -05:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mcast_snoop.c
…
mcast.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
mip6.c
ktime: Get rid of ktime_equal()
2016-12-25 17:21:23 +01:00
ndisc.c
net/ipv6: Rename fib6_info struct elements
2018-04-19 15:40:12 -04:00
netfilter.c
netfilter: use skb_to_full_sk in ip6_route_me_harder
2018-02-25 20:51:13 +01:00
output_core.c
net: accept UFO datagrams from tuntap and packet
2017-11-24 01:37:35 +09:00
ping.c
ipv6: allow to cache dst for a connected sk in ip6_sk_dst_lookup_flow()
2018-04-04 11:31:57 -04:00
proc.c
inet: frags: break the 2GB limit for frags storage
2018-03-31 23:25:39 -04:00
protocol.c
net: Add sysctl to toggle early demux for tcp and udp
2017-03-24 13:17:07 -07:00
raw.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
reassembly.c
ipv6: frags: fix a lockdep false positive
2018-04-18 23:19:39 -04:00
route.c
net/ipv6: Fix missing rcu dereferences on from
2018-04-23 16:12:55 -04:00
seg6_hmac.c
ipv6: sr: Use ARRAY_SIZE macro
2017-09-01 18:35:23 -07:00
seg6_iptunnel.c
ipv6: sr: fix seg6 encap performances with TSO enabled
2018-03-30 14:14:33 -04:00
seg6_local.c
net/ipv6: Pass skb to route lookup
2018-03-04 13:04:22 -05:00
seg6.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
sit.c
ipv6: sit: better validate user provided tunnel names
2018-04-05 15:16:15 -04:00
syncookies.c
net/ipv4: disable SMC TCP option with SYN Cookies
2018-03-25 20:53:54 -04:00
sysctl_net_ipv6.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
tcp_ipv6.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2018-03-31 23:33:04 -04:00
tcpv6_offload.c
gso: validate gso_type in GSO handlers
2018-01-22 16:01:30 -05:00
tunnel6.c
…
udp_impl.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
udp_offload.c
gso: validate gso_type in GSO handlers
2018-01-22 16:01:30 -05:00
udp.c
ipv6: udp: set dst cache for a connected sk if current not valid
2018-04-04 11:31:57 -04:00
udplite.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
xfrm6_input.c
xfrm: Reinject transport-mode packets through tasklet
2017-12-19 08:23:21 +01:00
xfrm6_mode_beet.c
networking: make skb_pull & friends return void pointers
2017-06-16 11:48:39 -04:00
xfrm6_mode_ro.c
ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()
2017-06-02 13:57:27 -04:00
xfrm6_mode_transport.c
ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()
2017-06-02 13:57:27 -04:00
xfrm6_mode_tunnel.c
xfrm: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto
2018-03-07 10:54:29 +01:00
xfrm6_output.c
net: xfrm: use skb_gso_validate_network_len() to check gso sizes
2018-03-04 17:49:17 -05:00
xfrm6_policy.c
net/ipv6: Remove unused code and variables for rt6_info
2018-04-17 23:41:18 -04:00
xfrm6_protocol.c
xfrm: input: constify xfrm_input_afinfo
2017-02-09 10:22:17 +01:00
xfrm6_state.c
inet: whitespace cleanup
2018-02-28 11:43:28 -05:00
xfrm6_tunnel.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00