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Jeff Barnhill 335c37612f net/ipv6: Display all addresses in output of /proc/net/if_inet6 
[ Upstream commit 86f9bd1ff6 ]

The backend handling for /proc/net/if_inet6 in addrconf.c doesn't properly
handle starting/stopping the iteration.  The problem is that at some point
during the iteration, an overflow is detected and the process is
subsequently stopped.  The item being shown via seq_printf() when the
overflow occurs is not actually shown, though.  When start() is
subsequently called to resume iterating, it returns the next item, and
thus the item that was being processed when the overflow occurred never
gets printed.

Alter the meaning of the private data member "offset".  Currently, when it
is not 0 (which only happens at the very beginning), "offset" represents
the next hlist item to be printed.  After this change, "offset" always
represents the current item.

This is also consistent with the private data member "bucket", which
represents the current bucket, and also the use of "pos" as defined in
seq_file.txt:
    The pos passed to start() will always be either zero, or the most
    recent pos used in the previous session.

Signed-off-by: Jeff Barnhill <0xeffeff@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-10-18 09:16:18 +02:00
..
ila License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netfilter ip: frags: fix crash in ip_do_fragment() 2018-09-19 22:43:48 +02:00
Kconfig ipv6: ila: select CONFIG_DST_CACHE 2018-07-25 11:25:09 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
addrconf.c net/ipv6: Display all addresses in output of /proc/net/if_inet6 2018-10-18 09:16:18 +02:00
addrconf_core.c Ipvlan should return an error when an address is already in use. 2017-06-09 12:26:07 -04:00
addrlabel.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
af_inet6.c ipv6: Fix SO_REUSEPORT UDP socket with implicit sk_ipv6only 2018-02-13 10:19:48 +01:00
ah6.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-06-23 14:17:31 -04:00
anycast.c net, ipv6: convert ifacaddr6.aca_refcnt from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00
calipso.c ipv6: make ipv6_renew_options() interrupt/kernel safe 2018-08-24 13:09:13 +02:00
datagram.c ip: in cmsg IP(V6)_ORIGDSTADDR call pskb_may_pull 2018-07-28 07:55:41 +02:00
esp6.c esp6: fix memleak on error path in esp6_input 2018-09-05 09:26:23 +02:00
esp6_offload.c esp: Fix GRO when the headers not fully in the linear part of the skb. 2018-02-25 11:07:46 +01:00
exthdrs.c ipv6: make ipv6_renew_options() interrupt/kernel safe 2018-08-24 13:09:13 +02:00
exthdrs_core.c ipv6: constify the skb pointer of ipv6_find_tlv(). 2016-06-27 15:06:15 -04:00
exthdrs_offload.c ipv6: fix exthdrs offload registration in out_rt path 2015-09-02 15:31:00 -07:00
fib6_notifier.c net: Add module reference to FIB notifiers 2017-09-01 20:33:42 -07:00
fib6_rules.c net: ipv6: avoid overhead when no custom FIB rules are installed 2017-08-08 21:40:08 -07:00
fou6.c fou: make local function static 2017-05-21 13:42:36 -04:00
icmp.c net/ipv6: Fix linklocal to global address with VRF 2018-07-28 07:55:42 +02:00
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 net/tcp: Fix socket lookups with SO_BINDTODEVICE 2018-07-22 14:28:46 +02:00
ip6_checksum.c udplite: fix partial checksum initialization 2018-03-08 22:41:10 -08:00
ip6_fib.c ipv6: fix typo in fib6_net_exit() 2017-09-08 16:09:04 -07:00
ip6_flowlabel.c ipv6: flowlabel: do not leave opt->tot_len with garbage 2017-10-22 03:22:24 +01:00
ip6_gre.c ip6_gre: better validate user provided tunnel names 2018-04-12 12:32:25 +02:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-20 10:35:33 -04:00
ip6_offload.c gso_segment: Reset skb->mac_len after modifying network header 2018-09-29 03:06:00 -07:00
ip6_offload.h udp: Add GRO functions to UDP socket 2016-04-07 16:53:29 -04:00
ip6_output.c ipv6: fix possible use-after-free in ip6_xmit() 2018-09-29 03:06:00 -07:00
ip6_tunnel.c ip6_tunnel: be careful when accessing the inner header 2018-10-18 09:16:17 +02:00
ip6_udp_tunnel.c ip6_udp_tunnel: remove unused IPCB related codes 2016-11-02 15:18:36 -04:00
ip6_vti.c vti6: remove !skb->ignore_df check from vti6_xmit() 2018-09-15 09:45:25 +02:00
ip6mr.c ip6mr: only set ip6mr_table from setsockopt when ip6mr_new_table succeeds 2018-06-11 22:49:19 +02:00
ipcomp6.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
ipv6_sockglue.c ipv6: make ipv6_renew_options() interrupt/kernel safe 2018-08-24 13:09:13 +02:00
mcast.c ipv6: mcast: fix unsolicited report interval after receiving querys 2018-08-24 13:09:04 +02:00
mcast_snoop.c net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code 2015-08-13 17:08:39 -07:00
mip6.c ktime: Get rid of ktime_equal() 2016-12-25 17:21:23 +01:00
ndisc.c ipv6: make DAD fail with enhanced DAD when nonce length differs 2018-07-25 11:25:10 +02:00
netfilter.c netfilter: use skb_to_full_sk in ip6_route_me_harder 2018-03-15 10:54:24 +01:00
output_core.c net: accept UFO datagrams from tuntap and packet 2017-12-17 15:07:58 +01:00
ping.c net: ping: do not abuse udp_poll() 2017-06-04 22:56:55 -04:00
proc.c inet: frags: break the 2GB limit for frags storage 2018-09-19 22:43:46 +02:00
protocol.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
raw.c ipv6: take rcu lock in rawv6_send_hdrinc() 2018-10-18 09:16:17 +02:00
reassembly.c net: sk_buff rbnode reorg 2018-09-19 22:43:47 +02:00
route.c net/ipv6: prevent use after free in ip6_route_mpath_notify 2018-09-26 08:38:14 +02:00
seg6.c ipv6: sr: define core operations for seg6local lightweight tunnel 2017-08-07 14:16:22 -07:00
seg6_hmac.c ipv6: sr: fix passing wrong flags to crypto_alloc_shash() 2018-07-22 14:28:43 +02:00
seg6_iptunnel.c ipv6: sr: fix memory OOB access in seg6_do_srh_encap/inline 2018-06-11 22:49:21 +02:00
seg6_local.c ipv6: sr: remove duplicate routing header type check 2017-09-11 14:34:10 -07:00
sit.c ip6_tunnel: remove magic mtu value 0xFFF8 2018-06-11 22:49:19 +02:00
syncookies.c ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check() 2017-07-18 11:22:51 -07:00
sysctl_net_ipv6.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcp_ipv6.c net/ipv6: Fix linklocal to global address with VRF 2018-07-28 07:55:42 +02:00
tcpv6_offload.c gso: validate gso_type in GSO handlers 2018-01-31 14:03:47 +01:00
tunnel6.c ipv6: fix tunnel error handling 2015-11-03 10:52:13 -05:00
udp.c udp6: add missing checks on edumux packet processing 2018-09-29 03:06:01 -07:00
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 2018-01-31 14:03:47 +01:00
udplite.c udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
xfrm6_input.c xfrm: Reinject transport-mode packets through tasklet 2018-03-03 10:24:25 +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: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm6_output.c xfrm: Add an IPsec hardware offloading API 2017-04-14 10:06:10 +02:00
xfrm6_policy.c xfrm6: avoid potential infinite loop in _decode_session6() 2018-07-08 15:30:51 +02:00
xfrm6_protocol.c xfrm: input: constify xfrm_input_afinfo 2017-02-09 10:22:17 +01:00
xfrm6_state.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm6_tunnel.c net, ipv6: convert xfrm6_tunnel_spi.refcnt from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00