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android_kernel_xiaomi_sm8350/net/ipv4
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Patrick McHardy f41d5bb1d9 [NETFILTER]: SNMP NAT: fix memory corruption 
Fix memory corruption caused by snmp_trap_decode:

- When snmp_trap_decode fails before the id and address are allocated,
  the pointers contain random memory, but are freed by the caller
  (snmp_parse_mangle).

- When snmp_trap_decode fails after allocating just the ID, it tries
  to free both address and ID, but the address pointer still contains
  random memory. The caller frees both ID and random memory again.

- When snmp_trap_decode fails after allocating both, it frees both,
  and the callers frees both again.

The corruption can be triggered remotely when the ip_nat_snmp_basic
module is loaded and traffic on port 161 or 162 is NATed.

Found by multiple testcases of the trap-app and trap-enc groups of the
PROTOS c06-snmpv1 testsuite.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-22 16:55:14 -07:00
..
ipvs [PATCH] sem2mutex: misc static one-file mutexes 2006-03-26 08:56:55 -08:00
netfilter [NETFILTER]: SNMP NAT: fix memory corruption 2006-05-22 16:55:14 -07:00
af_inet.c [IPV4]: inet_init() -> fs_initcall 2006-04-29 18:33:14 -07:00
ah4.c [IPSEC]: Kill unused decap state argument 2006-04-01 00:52:46 -08:00
arp.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
datagram.c
devinet.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
esp4.c [IPSEC]: Kill unused decap state argument 2006-04-01 00:52:46 -08:00
fib_frontend.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
fib_hash.c
fib_lookup.h
fib_rules.c [IPV4]: Add fib rule netlink notifications 2006-03-23 01:16:06 -08:00
fib_semantics.c [NETLINK]: illegal use of pid in rtnetlink 2006-02-09 16:43:41 -08:00
fib_trie.c [FIB_TRIE]: Fix leaf freeing. 2006-04-09 22:25:23 -07:00
icmp.c [PATCH] for_each_possible_cpu: network codes 2006-04-11 06:18:31 -07:00
igmp.c [NET]: dev_put/dev_hold cleanup 2006-03-20 22:32:28 -08:00
inet_connection_sock.c [INET]: Fix typo in Arnaldo's connection sock compat fixups. 2006-03-20 22:52:32 -08:00
inet_diag.c
inet_hashtables.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
inet_timewait_sock.c
inetpeer.c
ip_forward.c
ip_fragment.c [IPV4] ip_fragment: Always compute hash with ipfrag_lock held. 2006-04-09 22:43:55 -07:00
ip_gre.c [INET]: Use port unreachable instead of proto for tunnels 2006-04-09 22:25:29 -07:00
ip_input.c [IPV4]: Remove likely in ip_rcv_finish() 2006-05-06 18:11:39 -07:00
ip_options.c [IPV4]: ip_options_fragment() has no effect on fragmentation 2006-05-09 15:18:50 -07:00
ip_output.c [PATCH] ip_output: account for fraggap when checking to add trailer_len 2006-04-14 16:04:18 -07:00
ip_sockglue.c [NET]: Identation & other cleanups related to compat_[gs]etsockopt cset 2006-03-20 22:48:35 -08:00
ipcomp.c [NET]: Fix "ntohl(ntohs" bugs 2006-05-22 16:53:22 -07:00
ipconfig.c [NET]: Convert RTNL to mutex. 2006-03-20 22:23:58 -08:00
ipip.c [INET]: Move no-tunnel ICMP error to tunnel4/tunnel6 2006-04-09 22:25:25 -07:00
ipmr.c [NET]: dev_put/dev_hold cleanup 2006-03-20 22:32:28 -08:00
Kconfig [INET]: Introduce tunnel4/tunnel6 2006-03-28 17:02:46 -08:00
Makefile [INET]: Introduce tunnel4/tunnel6 2006-03-28 17:02:46 -08:00
multipath_drr.c
multipath_random.c
multipath_rr.c
multipath_wrandom.c [IPV4] multipath_wrandom: Fix softirq-unsafe spin lock usage 2006-02-02 16:59:16 -08:00
multipath.c
netfilter.c [NETFILTER]: Add address family specific checksum helpers 2006-04-09 22:25:41 -07:00
proc.c [PATCH] for_each_possible_cpu: network codes 2006-04-11 06:18:31 -07:00
protocol.c
raw.c [NET]: Identation & other cleanups related to compat_[gs]etsockopt cset 2006-03-20 22:48:35 -08:00
route.c [IPV4]: ip_route_input panic fix 2006-04-17 17:27:11 -07:00
syncookies.c
sysctl_net_ipv4.c [TCP]: sysctl to allow TCP window > 32767 sans wscale 2006-03-20 22:40:29 -08:00
tcp_bic.c
tcp_cong.c [TCP]: Fix RFC2465 typo. 2006-03-28 17:02:47 -08:00
tcp_cubic.c
tcp_diag.c
tcp_highspeed.c [TCP]: Fix snd_cwnd adjustments in tcp_highspeed.c 2006-05-05 17:41:44 -07:00
tcp_htcp.c [TCP] H-TCP: Better time accounting 2006-03-20 22:23:10 -08:00
tcp_hybla.c
tcp_input.c [TCP]: reno sacked_out count fix 2006-05-16 21:42:11 -07:00
tcp_ipv4.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
tcp_minisocks.c
tcp_output.c [TCP]: Fix unlikely usage in tcp_transmit_skb() 2006-04-29 18:33:19 -07:00
tcp_scalable.c
tcp_timer.c [TCP]: MTU probing 2006-03-20 17:53:41 -08:00
tcp_vegas.c
tcp_westwood.c
tcp.c [TCP]: Fix sock_orphan dead lock 2006-05-03 23:31:35 -07:00
tunnel4.c [INET]: Move no-tunnel ICMP error to tunnel4/tunnel6 2006-04-09 22:25:25 -07:00
udp.c [NET]: Identation & other cleanups related to compat_[gs]etsockopt cset 2006-03-20 22:48:35 -08:00
xfrm4_input.c [INET]: Move no-tunnel ICMP error to tunnel4/tunnel6 2006-04-09 22:25:25 -07:00
xfrm4_output.c [IPSEC]: Fix IP ID selection 2006-04-29 18:33:16 -07:00
xfrm4_policy.c [NET]: Fix "ntohl(ntohs" bugs 2006-05-22 16:53:22 -07:00
xfrm4_state.c [XFRM]: IPsec tunnel wildcard address support 2006-01-13 14:34:36 -08:00
xfrm4_tunnel.c [IPSEC]: Kill unused decap state argument 2006-04-01 00:52:46 -08:00