AuxXxilium/linux_dsm_epyc7002
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a86888b925
linux_dsm_epyc7002/net/ipv4
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Patrick McHardy a86888b925 [NETFILTER]: Fix multiple problems with the conntrack event cache 
refcnt underflow: the reference count is decremented when a conntrack
entry is removed from the hash but it is not incremented when entering
new entries.

missing protection of process context against softirq context: all
cache operations need to locally disable softirqs to avoid races.
Additionally the event cache can't be initialized when a packet
enteres the conntrack code but needs to be initialized whenever we
cache an event and the stored conntrack entry doesn't match the
current one.

incorrect flushing of the event cache in ip_ct_iterate_cleanup:
without real locking we can't flush the cache for different CPUs
without incurring races. The cache for different CPUs can only be
flushed when no packets are going through the
code. ip_ct_iterate_cleanup doesn't need to drop all references, so
flushing is moved to the cleanup path.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2005-08-29 15:38:54 -07:00
..
ipvs [NETFILTER]: reduce netfilter sk_buff enlargement 2005-08-29 15:31:04 -07:00
netfilter [NETFILTER]: Fix multiple problems with the conntrack event cache 2005-08-29 15:38:54 -07:00
af_inet.c [INET]: Introduce inet_sk_rebuild_header 2005-08-29 15:37:55 -07:00
ah4.c [IPSEC]: Add xfrm_init_state 2005-06-20 13:18:08 -07:00
arp.c [NET]: Kill skb->real_dev 2005-08-29 15:32:25 -07:00
datagram.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
devinet.c [PATCH] create a kstrdup library function 2005-06-23 09:45:18 -07:00
esp4.c [IPSEC]: Add xfrm_init_state 2005-06-20 13:18:08 -07:00
fib_frontend.c [NETLINK]: Add properly module refcounting for kernel netlink sockets. 2005-08-29 15:35:08 -07:00
fib_hash.c [NETLINK]: Correctly set NLM_F_MULTI without checking the pid 2005-06-18 22:54:12 -07:00
fib_lookup.h [NETLINK]: Correctly set NLM_F_MULTI without checking the pid 2005-06-18 22:54:12 -07:00
fib_rules.c [NETLINK]: Correctly set NLM_F_MULTI without checking the pid 2005-06-18 22:54:12 -07:00
fib_semantics.c [IPV4]: Fix memory leak during fib_info hash expansion. 2005-08-05 04:12:48 -07:00
fib_trie.c [FIB_TRIE]: Don't ignore negative results from fib_semantic_match 2005-08-23 22:06:09 -07:00
icmp.c [IPV4]: Fix DST leak in icmp_push_reply() 2005-08-18 14:05:44 -07:00
igmp.c [IPV4]: fix IPv4 leave-group group matching 2005-07-08 17:48:38 -07:00
inet_hashtables.c [INET]: Move the TCP hashtable functions/structs to inet_hashtables.[ch] 2005-08-29 15:38:39 -07:00
inetpeer.c [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00
ip_forward.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip_fragment.c [IPV4]: Debug cleanup 2005-08-08 14:26:52 -07:00
ip_gre.c [NET]: fix oops after tunnel module unload 2005-07-30 17:46:44 -07:00
ip_input.c [IPV4/6]: Check if packet was actually delivered to a raw socket to decide whether to send an ICMP unreachable 2005-08-29 15:37:22 -07:00
ip_options.c [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00
ip_output.c [INET]: Introduce inet_sk_rebuild_header 2005-08-29 15:37:55 -07:00
ip_sockglue.c [IPSEC]: Restrict socket policy loading to CAP_NET_ADMIN. 2005-08-06 06:33:15 -07:00
ipcomp.c [IPCOMP]: Fix false smp_processor_id warning 2005-08-18 14:36:59 -07:00
ipconfig.c [NET]: Kill skb->real_dev 2005-08-29 15:32:25 -07:00
ipip.c [NET]: fix oops after tunnel module unload 2005-07-30 17:46:44 -07:00
ipmr.c [NET]: Spelling mistakes threshoulds -> thresholds 2005-07-30 17:41:59 -07:00
Kconfig [IPV4]: Fix Kconfig syntax error 2005-07-27 13:00:04 -07:00
Makefile [INET]: Move the TCP hashtable functions/structs to inet_hashtables.[ch] 2005-08-29 15:38:39 -07:00
multipath_drr.c [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00
multipath_random.c [IPV4]: Multipath modules need a license to prevent kernel tainting. 2005-06-13 14:29:06 -07:00
multipath_rr.c [IPV4]: Multipath modules need a license to prevent kernel tainting. 2005-06-13 14:29:06 -07:00
multipath_wrandom.c [IPV4]: Multipath modules need a license to prevent kernel tainting. 2005-06-13 14:29:06 -07:00
multipath.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
netfilter.c [NETFILTER]: Move reroute-after-queue code up to the nf_queue layer. 2005-08-29 15:36:19 -07:00
proc.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
protocol.c [PATCH] update Ross Biro bouncing email address 2005-05-05 16:36:49 -07:00
raw.c [IPV4/6]: Check if packet was actually delivered to a raw socket to decide whether to send an ICMP unreachable 2005-08-29 15:37:22 -07:00
route.c [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00
syncookies.c [NET] Rename open_request to request_sock 2005-06-18 22:47:21 -07:00
sysctl_net_ipv4.c [TCP]: Add pluggable congestion control algorithm infrastructure. 2005-06-23 12:19:55 -07:00
tcp_bic.c [TCP]: Add TCP BIC congestion control module. 2005-06-23 12:23:25 -07:00
tcp_cong.c [TCP]: Allow choosing TCP congestion control via sockopt. 2005-06-23 20:37:36 -07:00
tcp_diag.c [INET]: Just rename the TCP hashtable functions/structs to inet_ 2005-08-29 15:38:32 -07:00
tcp_highspeed.c [TCP]: Add High Speed TCP congestion control module. 2005-06-23 12:24:58 -07:00
tcp_htcp.c [TCP]: Add H-TCP congestion control module. 2005-06-23 12:28:11 -07:00
tcp_hybla.c [TCP]: Add TCP Hybla congestion control module. 2005-06-23 12:26:34 -07:00
tcp_input.c [NET]: Kill skb->list 2005-08-29 15:31:14 -07:00
tcp_ipv4.c [INET]: Move bind_hash from tcp_sk to inet_sk 2005-08-29 15:38:48 -07:00
tcp_minisocks.c [INET]: Move bind_hash from tcp_sk to inet_sk 2005-08-29 15:38:48 -07:00
tcp_output.c [NET]: Kill skb->list 2005-08-29 15:31:14 -07:00
tcp_scalable.c [TCP]: Add Scalable TCP congestion control module. 2005-06-23 12:29:07 -07:00
tcp_timer.c [NET]: Transform skb_queue_len() binary tests into skb_queue_empty() 2005-07-08 14:57:23 -07:00
tcp_vegas.c [TCP]: Add TCP Vegas congestion control module. 2005-06-23 12:27:19 -07:00
tcp_westwood.c [TCP]: Add TCP Westwood congestion control module. 2005-06-23 12:24:09 -07:00
tcp.c [INET]: Move bind_hash from tcp_sk to inet_sk 2005-08-29 15:38:48 -07:00
udp.c [IPV4]: Debug cleanup 2005-08-08 14:26:52 -07:00
xfrm4_input.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xfrm4_output.c [IPSEC]: Add XFRM_STATE_NOPMTUDISC flag 2005-06-20 13:21:43 -07:00
xfrm4_policy.c [IPSEC]: Store idev entries 2005-05-03 16:27:10 -07:00
xfrm4_state.c [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00
xfrm4_tunnel.c [NET]: Make ipip/ip6_tunnel independant of XFRM 2005-07-19 14:03:34 -07:00