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linux_dsm_epyc7002/net/ipv6
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Hannes Frederic Sowa 46b3a42190 ipv6: fib6_rules should return exact return value 
With the addition of the suppress operation
(7764a45a8f ("fib_rules: add .suppress
operation") we rely on accurate error reporting of the fib_rules.actions.

fib6_rule_action always returned -EAGAIN in case we could not find a
matching route and 0 if a rule was matched. This also included a match
for blackhole or prohibited rule actions which could get suppressed by
the new logic.

So adapt fib6_rule_action to always return the correct error code as
its counterpart fib4_rule_action does. This also fixes a possiblity of
nullptr-deref where we don't find a table, thus rt == NULL. Because
the condition rt != ip6_null_entry still holdes it seems we could later
get a nullptr bug on dereference rt->dst.

v2:
a) Fixed a brain fart in the commit msg (the rule => a table, etc). No
   changes to the patch.

Cc: Stefan Tomanek <stefan.tomanek@wertarbyte.de>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-01 00:26:22 -07:00
..
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-07-03 14:55:13 -07:00
addrconf_core.c ipv6: add include file to suppress sparse warnings 2013-06-25 02:44:05 -07:00
addrconf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-07-03 14:55:13 -07:00
addrlabel.c rtnetlink: Remove passing of attributes into rtnl_doit functions 2013-03-22 10:31:16 -04:00
af_inet6.c net: split rt_genid for ipv4 and ipv6 2013-07-31 14:56:36 -07:00
ah6.c net: Add skb_unclone() helper function. 2013-02-15 15:10:37 -05:00
anycast.c net: proc: change proc_net_remove to remove_proc_entry 2013-02-18 14:53:08 -05:00
datagram.c net: ipv6: Unify {raw,udp}6_sock_seq_show. 2013-06-04 12:56:14 -07:00
esp6.c ah6/esp6: set transport header correctly for IPsec tunnel mode. 2013-01-08 12:41:30 +01:00
exthdrs_core.c ipv6: Correct comparisons and calculations using skb->tail and skb-transport_header 2013-05-28 23:49:07 -07:00
exthdrs_offload.c ipv6: Pull IPv6 GSO registration out of the module 2012-11-15 17:39:24 -05:00
exthdrs.c ipv6: Store Router Alert option in IP6CB directly. 2013-01-13 20:17:14 -05:00
fib6_rules.c ipv6: fib6_rules should return exact return value 2013-08-01 00:26:22 -07:00
icmp.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
inet6_connection_sock.c ipv6: use newly introduced __ipv6_addr_needs_scope_id and ipv6_iface_scope_id 2013-03-08 12:29:22 -05:00
inet6_hashtables.c soreuseport: TCP/IPv6 implementation 2013-01-23 13:44:01 -05:00
ip6_checksum.c ipv6: move csum_ipv6_magic() and udp6_csum_init() into static library 2013-01-08 17:56:10 -08:00
ip6_fib.c net: ipv6 eliminate parameter "int addrlen" in function fib6_add_1 2013-07-24 14:24:56 -07:00
ip6_flowlabel.c ipv6 flowlabel: add __rcu annotations 2013-03-07 16:33:10 -05:00
ip6_gre.c ipv6,gre: do not leak info to user-space 2013-05-11 17:40:14 -07:00
ip6_icmp.c ipv6: Kill ipv6 dependency of icmpv6_send(). 2013-04-29 13:54:36 -04:00
ip6_input.c ipv6: don't accept node local multicast traffic from the wire 2013-03-29 14:57:33 -04:00
ip6_offload.c MPLS: Add limited GSO support 2013-05-27 22:50:59 -07:00
ip6_offload.h ipv6: Pull IPv6 GSO registration out of the module 2012-11-15 17:39:24 -05:00
ip6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-07-03 14:55:13 -07:00
ip6_tunnel.c GRE: Refactor GRE tunneling code. 2013-03-26 12:27:18 -04:00
ip6mr.c ip6mr: change the prototype of ip6_mr_forward(). 2013-07-23 17:20:37 -07:00
ipcomp6.c ipv6: Add redirect support to all protocol icmp error handlers. 2012-07-12 00:25:15 -07:00
ipv6_sockglue.c ipv6: rename datagram_send_ctl and datagram_recv_ctl 2013-01-31 13:53:08 -05:00
Kconfig Tunneling: use IP Tunnel stats APIs. 2013-03-26 12:27:19 -04:00
Makefile net: ipv6: Add IPv6 support to the ping socket. 2013-05-25 21:07:49 -07:00
mcast.c ipv4, ipv6: send igmpv3/mld packets with TC_PRIO_CONTROL 2013-07-28 11:13:55 -07:00
mip6.c ipv6: Correct comparisons and calculations using skb->tail and skb-transport_header 2013-05-28 23:49:07 -07:00
ndisc.c ndisc: bool initializations should use true and false 2013-07-16 12:13:31 -07:00
netfilter.c netfilter: add nf_ipv6_ops hook to fix xt_addrtype with IPv6 2013-05-23 11:58:55 +02:00
output_core.c ipv6: Correct comparisons and calculations using skb->tail and skb-transport_header 2013-05-28 23:49:07 -07:00
ping.c net: ipv6: fix wrong ping_v6_sendmsg return value 2013-07-03 17:42:05 -07:00
proc.c snmp6: remove IPSTATS_MIB_CSUMERRORS 2013-05-31 16:26:49 -07:00
protocol.c ipv6: Pull IPv6 GSO registration out of the module 2012-11-15 17:39:24 -05:00
raw.c net: ipv6: Unify {raw,udp}6_sock_seq_show. 2013-06-04 12:56:14 -07:00
reassembly.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-22 20:32:51 -04:00
route.c net: split rt_genid for ipv4 and ipv6 2013-07-31 14:56:36 -07:00
sit.c sit: fix tunnel update via netlink 2013-07-04 14:55:47 -07:00
syncookies.c tcp: Remove TCPCT 2013-03-17 14:35:13 -04:00
sysctl_net_ipv6.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
tcp_ipv6.c tcp: add tcp_syncookies mode to allow unconditionally generation of syncookies 2013-07-30 16:15:18 -07:00
tcpv6_offload.c net: Remove code duplication between offload structures 2012-11-15 17:39:51 -05:00
tunnel6.c net: ipv6: Standardize prefixes for message logging 2012-05-16 01:01:03 -04:00
udp_impl.h ipv6: do not clear pinet6 field 2013-05-11 16:26:38 -07:00
udp_offload.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-06-05 16:37:30 -07:00
udp.c net: rename ll methods to busy-poll 2013-07-10 17:08:27 -07:00
udplite.c ipv6: do not clear pinet6 field 2013-05-11 16:26:38 -07:00
xfrm6_input.c netfilter: ipv6: use NFPROTO values for NF_HOOK invocation 2010-03-25 16:00:49 +01:00
xfrm6_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm6_mode_ro.c [IPSEC]: Make x->lastused an unsigned long 2008-01-28 14:53:52 -08:00
xfrm6_mode_transport.c [IPSEC]: Use IPv6 calling convention as the convention for x->mode->output 2007-10-10 16:55:54 -07:00
xfrm6_mode_tunnel.c xfrm: allow to avoid copying DSCP during encapsulation 2013-03-06 07:02:45 +01:00
xfrm6_output.c xfrm6: remove unneeded NULL check in __xfrm6_output() 2012-02-01 02:52:48 -05:00
xfrm6_policy.c xfrm6: release dev before returning error 2013-05-11 17:40:15 -07:00
xfrm6_state.c ipv6: use IS_ENABLED() 2012-11-01 12:41:35 -04:00
xfrm6_tunnel.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00