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linux/net/ipv6
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Eric Dumazet 9bcb779ba8 mld: respect RCU rules in ip6_mc_source() and ip6_mc_msfilter() 
commit a9384a4c1d250cb40cebf50e41459426d160b08e upstream.

Whenever RCU protected list replaces an object,
the pointer to the new object needs to be updated
_before_ the call to kfree_rcu() or call_rcu()

Also ip6_mc_msfilter() needs to update the pointer
before releasing the mc_lock mutex.

Note that linux-5.13 was supporting kfree_rcu(NULL, rcu),
so this fix does not need the conditional test I was
forced to use in the equivalent patch for IPv4.

Fixes: 882ba1f73c06 ("mld: convert ipv6_mc_socklist->sflist to RCU")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-05-12 12:30:18 +02:00
..
ila
net: Add MODULE_DESCRIPTION entries to network modules
2020-06-20 21:33:57 -07:00
netfilter
netfilter: ip6t_rt: fix rt0_hdr parsing in rt_mt6
2021-10-14 23:08:35 +02:00
addrconf_core.c
ipv6: add ipv6_dev_find to stubs
2021-03-30 13:29:39 -07:00
addrconf.c
ipv6: make mc_forwarding atomic
2022-04-13 20:59:03 +02:00
addrlabel.c
ipv6: addrlabel: fix possible memory leak in ip6addrlbl_net_init
2020-11-25 11:20:16 -08:00
af_inet6.c
net: ipv6: add fib6_nh_release_dsts stub
2021-12-01 09:04:49 +01:00
ah6.c
xfrm: remove hdr_offset indirection
2021-06-11 14:48:50 +02:00
anycast.c
ipv6: fix memory leaks on IPV6_ADDRFORM path
2020-07-30 16:30:55 -07:00
calipso.c
cipso,calipso: resolve a number of problems with the DOI refcounts
2021-03-04 15:26:57 -08:00
datagram.c
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
2020-11-23 18:36:21 -05:00
esp6_offload.c
esp: Fix BEET mode inter address family tunneling on GSO
2022-03-16 14:23:36 +01:00
esp6.c
esp: limit skb_page_frag_refill use to a single page
2022-04-27 14:38:52 +02:00
exthdrs_core.c
…
exthdrs_offload.c
…
exthdrs.c
ipv6: exthdrs: get rid of indirect calls in ip6_parse_tlv()
2021-08-04 10:34:40 +01:00
fib6_notifier.c
…
fib6_rules.c
ipv6: fix memory leak in fib6_rule_suppress
2021-12-08 09:04:43 +01:00
fou6.c
net: Add MODULE_DESCRIPTION entries to network modules
2020-06-20 21:33:57 -07:00
icmp.c
icmp: ICMPV6: Examine invoking packet for Segment Route Headers.
2022-01-27 11:05:05 +01:00
inet6_connection_sock.c
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
2020-11-23 18:36:21 -05:00
inet6_hashtables.c
tcp: Don't acquire inet_listen_hashbucket::lock with disabled BH.
2022-04-13 20:59:04 +02:00
ioam6_iptunnel.c
ipv6: ioam: move the check for undefined bits
2021-10-12 11:49:49 +01:00
ioam6.c
ipv6: ioam: move the check for undefined bits
2021-10-12 11:49:49 +01:00
ip6_checksum.c
…
ip6_fib.c
ipv6: annotate accesses to fn->fn_sernum
2022-02-01 17:27:09 +01:00
ip6_flowlabel.c
ipv6: per-netns exclusive flowlabel checks
2022-02-23 12:03:10 +01:00
ip6_gre.c
ip_gre, ip6_gre: Fix race condition on o_seqno in collect_md mode
2022-05-09 09:14:36 +02:00
ip6_icmp.c
net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending
2021-02-23 11:29:52 -08:00
ip6_input.c
ipv6: make mc_forwarding atomic
2022-04-13 20:59:03 +02:00
ip6_offload.c
gso: do not skip outer ip header in case of ipip and net_failover
2022-03-02 11:47:56 +01:00
ip6_offload.h
…
ip6_output.c
ipv6: fix panic when forwarding a pkt with no in6 dev
2022-04-20 09:34:19 +02:00
ip6_tunnel.c
ipv6_tunnel: Rate limit warning messages
2022-02-01 17:27:07 +01:00
ip6_udp_tunnel.c
…
ip6_vti.c
ip6_vti: initialize __ip6_tnl_parm struct in vti6_siocdevprivate
2022-01-11 15:35:17 +01:00
ip6mr.c
ipv6: make mc_forwarding atomic
2022-04-13 20:59:03 +02:00
ipcomp6.c
xfrm: remove hdr_offset indirection
2021-06-11 14:48:50 +02:00
ipv6_sockglue.c
net/ipv4/ipv6: Replace one-element arraya with flexible-array members
2021-08-05 11:46:42 +01:00
Kconfig
ipv6: ioam: Support for IOAM injection with lwtunnels
2021-07-21 08:14:33 -07:00
Makefile
ipv6: ioam: Support for IOAM injection with lwtunnels
2021-07-21 08:14:33 -07:00
mcast_snoop.c
net: bridge: mcast: fix broken length + header check for MRDv6 Adv.
2021-04-27 14:02:06 -07:00
mcast.c
mld: respect RCU rules in ip6_mc_source() and ip6_mc_msfilter()
2022-05-12 12:30:18 +02:00
mip6.c
xfrm: ipv6: move mip6_rthdr_offset into xfrm core
2021-06-11 14:48:50 +02:00
ndisc.c
ipv6: add IFLA_INET6_RA_MTU to expose mtu value
2021-08-27 17:29:18 -07:00
netfilter.c
netfilter: Update ip6_route_me_harder to consider L3 domain
2022-05-09 09:14:41 +02:00
output_core.c
ipv6: use prandom_u32() for ID generation
2021-05-31 22:12:08 -07:00
ping.c
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
2020-11-23 18:36:21 -05:00
proc.c
net: udp: introduce UDP_MIB_MEMERRORS for udp_mem
2020-11-09 15:34:44 -08:00
protocol.c
…
raw.c
ipv6: raw: check passed optlen before reading
2022-01-11 15:35:18 +01:00
reassembly.c
ipv6: record frag_max_size in atomic fragments in input path
2021-05-21 15:02:25 -07:00
route.c
ipv6: make ip6_rt_gc_expire an atomic_t
2022-04-27 14:38:54 +02:00
rpl_iptunnel.c
net: ipv6: rpl_iptunnel: simplify the return expression of rpl_do_srh()
2020-12-08 16:22:54 -08:00
rpl.c
net: ipv6: rpl*: Fix strange kerneldoc warnings due to bad header
2020-10-30 12:12:52 -07:00
seg6_hmac.c
crypto: sha - split sha.h into sha1.h and sha2.h
2020-11-20 14:45:33 +11:00
seg6_iptunnel.c
seg6: fix the iif in the IPv6 socket control block
2021-12-14 10:57:09 +01:00
seg6_local.c
seg6: export get_srh() for ICMP handling
2022-01-27 11:05:05 +01:00
seg6.c
icmp: ICMPV6: Examine invoking packet for Segment Route Headers.
2022-01-27 11:05:05 +01:00
sit.c
sit: do not call ipip6_dev_free() from sit_init_net()
2021-12-22 09:32:44 +01:00
syncookies.c
tcp: make sure treq->af_specific is initialized
2022-05-09 09:14:37 +02:00
sysctl_net_ipv6.c
ipv6: ioam: Data plane support for Pre-allocated Trace
2021-07-21 08:14:33 -07:00
tcp_ipv6.c
inet: fully convert sk->sk_rx_dst to RCU rules
2021-12-29 12:28:42 +01:00
tcpv6_offload.c
…
tunnel6.c
tunnel6: add tunnel6_input_afinfo for ipip and ipv6 tunnels
2020-07-09 12:52:37 +02:00
udp_impl.h
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
udp_offload.c
udp: properly complete L4 GRO over UDP tunnel packet
2021-03-30 17:06:49 -07:00
udp.c
udp6: Use Segment Routing Header for dest address if present
2022-01-27 11:05:05 +01:00
udplite.c
net/ipv6: remove compat_ipv6_{get,set}sockopt
2020-07-19 18:16:41 -07:00
xfrm6_input.c
…
xfrm6_output.c
xfrm: fix tunnel model fragmentation behavior
2022-04-08 14:22:46 +02:00
xfrm6_policy.c
…
xfrm6_protocol.c
…
xfrm6_state.c
…
xfrm6_tunnel.c
xfrm: remove description from xfrm_type struct
2021-06-09 09:38:52 +02:00