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Pablo Neira Ayuso 9fb6b81e24 netfilter: nf_conntrack_pptp: prevent buffer overflows in debug code 
commit 4c559f15ef upstream.

Dan Carpenter says: "Smatch complains that the value for "cmd" comes
from the network and can't be trusted."

Add pptp_msg_name() helper function that checks for the array boundary.

Fixes: f09943fefe ("[NETFILTER]: nf_conntrack/nf_nat: add PPTP helper port")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-03 08:19:47 +02:00
..
bpfilter
…
netfilter
netfilter: nf_conntrack_pptp: prevent buffer overflows in debug code
2020-06-03 08:19:47 +02:00
af_inet.c
net: don't clear sock->sk early to avoid trouble in strparser
2020-01-27 14:50:52 +01:00
ah4.c
…
arp.c
…
cipso_ipv4.c
netlabel: cope with NULL catmap
2020-05-20 08:18:35 +02:00
datagram.c
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devinet.c
net: ipv4: devinet: Fix crash when add/del multicast IP with autojoin
2020-04-21 09:03:03 +02:00
esp4_offload.c
…
esp4.c
…
fib_frontend.c
…
fib_lookup.h
…
fib_notifier.c
…
fib_rules.c
…
fib_semantics.c
…
fib_trie.c
ipv4: fix a RCU-list lock in fib_triestat_seq_show
2020-04-13 10:44:57 +02:00
fou.c
…
gre_demux.c
gre: fix uninit-value in __iptunnel_pull_header
2020-03-18 07:14:11 +01:00
gre_offload.c
…
icmp.c
net: icmp: fix data-race in cmp_global_allow()
2020-01-04 19:13:30 +01:00
igmp.c
…
inet_connection_sock.c
net: inet_csk: Fix so_reuseport bind-address cache in tb->fast*
2020-06-03 08:19:08 +02:00
inet_diag.c
inet_diag: return classid for all socket types
2020-03-18 07:14:11 +01:00
inet_fragment.c
…
inet_hashtables.c
tcp/dccp: fix possible race __inet_lookup_established()
2020-01-04 19:13:41 +01:00
inet_timewait_sock.c
…
inetpeer.c
inetpeer: fix data-race in inet_putpeer / inet_putpeer
2020-01-04 19:13:29 +01:00
ip_forward.c
…
ip_fragment.c
…
ip_gre.c
net: ip_gre: Accept IFLA_INFO_DATA-less configuration
2020-04-02 15:28:13 +02:00
ip_input.c
…
ip_options.c
…
ip_output.c
net: always initialize pagedlen
2020-01-27 14:50:03 +01:00
ip_sockglue.c
…
ip_tunnel_core.c
…
ip_tunnel.c
net, ip_tunnel: fix interface lookup with no key
2020-04-13 10:44:57 +02:00
ip_vti.c
ip_vti: receive ipip packet by calling ip_tunnel_rcv
2020-06-03 08:19:46 +02:00
ipcomp.c
…
ipconfig.c
…
ipip.c
net: ipip: fix wrong address family in init error path
2020-06-03 08:19:10 +02:00
ipmr_base.c
…
ipmr.c
…
Kconfig
vti[6]: fix packet tx through bpf_redirect() in XinY cases
2020-04-02 15:28:18 +02:00
Makefile
…
metrics.c
…
netfilter.c
…
netlink.c
…
ping.c
…
proc.c
…
protocol.c
…
raw_diag.c
inet_diag: return classid for all socket types
2020-03-18 07:14:11 +01:00
raw.c
…
route.c
net: revert "net: get rid of an signed integer overflow in ip_idents_reserve()"
2020-06-03 08:19:14 +02:00
syncookies.c
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sysctl_net_ipv4.c
…
tcp_bbr.c
tcp_bbr: improve arithmetic division in bbr_update_bw()
2020-01-29 16:43:17 +01:00
tcp_bic.c
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tcp_cdg.c
…
tcp_cong.c
…
tcp_cubic.c
…
tcp_dctcp.c
…
tcp_diag.c
tcp: annotate tp->rcv_nxt lockless reads
2020-01-09 10:19:08 +01:00
tcp_fastopen.c
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tcp_highspeed.c
…
tcp_htcp.c
…
tcp_hybla.c
…
tcp_illinois.c
…
tcp_input.c
tcp: fix SO_RCVLOWAT hangs with fat skbs
2020-05-20 08:18:38 +02:00
tcp_ipv4.c
tcp: annotate tp->rcv_nxt lockless reads
2020-01-09 10:19:08 +01:00
tcp_lp.c
…
tcp_metrics.c
…
tcp_minisocks.c
tcp: annotate tp->rcv_nxt lockless reads
2020-01-09 10:19:08 +01:00
tcp_nv.c
…
tcp_offload.c
…
tcp_output.c
tcp: do not leave dangling pointers in tp->highest_sack
2020-01-29 16:43:17 +01:00
tcp_rate.c
…
tcp_recovery.c
…
tcp_scalable.c
…
tcp_timer.c
tcp: fix SNMP TCP timeout under-estimation
2019-12-13 08:52:20 +01:00
tcp_ulp.c
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tcp_vegas.c
…
tcp_vegas.h
…
tcp_veno.c
…
tcp_westwood.c
…
tcp_yeah.c
…
tcp.c
tcp: fix SO_RCVLOWAT hangs with fat skbs
2020-05-20 08:18:38 +02:00
tunnel4.c
…
udp_diag.c
inet_diag: return classid for all socket types
2020-03-18 07:14:11 +01:00
udp_impl.h
…
udp_offload.c
net/udp_gso: Allow TX timestamp with UDP GSO
2020-01-27 14:50:56 +01:00
udp_tunnel.c
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udp.c
Revert "udp: do rmem bulk free even if the rx sk queue is empty"
2020-01-29 16:43:17 +01:00
udplite.c
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xfrm4_input.c
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xfrm4_mode_beet.c
…
xfrm4_mode_transport.c
…
xfrm4_mode_tunnel.c
…
xfrm4_output.c
xfrm: Always set XFRM_TRANSFORMED in xfrm{4,6}_output_finish
2020-04-29 16:31:23 +02:00
xfrm4_policy.c
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 19:13:37 +01:00
xfrm4_protocol.c
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xfrm4_state.c
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xfrm4_tunnel.c
…