android_kernel_xiaomi_sm8350/net/ipv4
Patrick McHardy b2722b1c3a ip_fragment: also adjust skb->truesize for packets not owned by a socket
When a large packet gets reassembled by ip_defrag(), the head skb
accounts for all the fragments in skb->truesize. If this packet is
refragmented again, skb->truesize is not re-adjusted to reflect only
the head size since its not owned by a socket. If the head fragment
then gets recycled and reused for another received fragment, it might
exceed the defragmentation limits due to its large truesize value.

skb_recycle_check() explicitly checks for linear skbs, so any recycled
skb should reflect its true size in skb->truesize. Change ip_fragment()
to also adjust the truesize value of skbs not owned by a socket.

Reported-and-tested-by: Ben Menchaca <ben@bigfootnetworks.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-12-01 15:53:57 -08:00
..
netfilter netfilter: nf_nat: fix NAT issue in 2.6.30.4+ 2009-11-06 00:43:42 -08:00
af_inet.c net: Use sk_mark for routing lookup in more places 2009-10-01 15:16:49 -07:00
ah4.c net: constify struct net_protocol 2009-09-14 17:03:01 -07:00
arp.c net: make neigh_ops constant 2009-09-01 17:40:57 -07:00
cipso_ipv4.c
datagram.c
devinet.c ipv4: arp_notify address list bug 2009-10-07 03:18:17 -07:00
esp4.c net: constify struct net_protocol 2009-09-14 17:03:01 -07:00
fib_frontend.c net: Fix RPF to work with policy routing 2009-10-29 22:49:12 -07:00
fib_hash.c ipv4: cleanup - remove two unused parameters from fib_semantic_match(). 2009-05-18 15:16:37 -07:00
fib_lookup.h ipv4: cleanup - remove two unused parameters from fib_semantic_match(). 2009-05-18 15:16:37 -07:00
fib_rules.c net: Remove unused parameter from fill method in fib_rules_ops. 2009-05-20 17:26:23 -07:00
fib_semantics.c ipv4: cleanup - remove two unused parameters from fib_semantic_match(). 2009-05-18 15:16:37 -07:00
fib_trie.c fib_trie: resize rework 2009-08-28 23:57:15 -07:00
icmp.c net: constify struct net_protocol 2009-09-14 17:03:01 -07:00
igmp.c bonding: remap muticast addresses without using dev_close() and dev_open() 2009-09-15 02:37:40 -07:00
inet_connection_sock.c tcp: reduce SYN-ACK retrans for TCP_DEFER_ACCEPT 2009-10-19 19:19:03 -07:00
inet_diag.c net: correct off-by-one write allocations reports 2009-06-18 00:29:12 -07:00
inet_fragment.c
inet_hashtables.c
inet_lro.c
inet_timewait_sock.c tcp: fix premature termination of FIN_WAIT2 time-wait sockets 2009-08-29 00:00:35 -07:00
inetpeer.c
ip_forward.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ip_fragment.c ipv4: additional update of dev_net(dev) to struct *net in ip_fragment.c, NULL ptr OOPS 2009-11-29 23:02:22 -08:00
ip_gre.c gre: Fix dev_addr clobbering for gretap 2009-10-30 12:28:07 -07:00
ip_input.c net: constify struct net_protocol 2009-09-14 17:03:01 -07:00
ip_options.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ip_output.c ip_fragment: also adjust skb->truesize for packets not owned by a socket 2009-12-01 15:53:57 -08:00
ip_sockglue.c net: Fix IP_MULTICAST_IF 2009-10-19 21:34:20 -07:00
ipcomp.c net: constify struct net_protocol 2009-09-14 17:03:01 -07:00
ipconfig.c ipv4: teach ipconfig about the MTU option in DHCP 2009-05-19 15:36:17 -07:00
ipip.c ipip: Fix handling of DF packets when pmtudisc is OFF 2009-11-06 20:33:40 -08:00
ipmr.c ipmr: missing dev_put() on error path in vif_add() 2009-11-13 19:56:54 -08:00
Kconfig ipv4: update ARPD help text 2009-06-13 23:36:32 -07:00
Makefile
netfilter.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
proc.c snmp: add missing counters for RFC 4293 2009-04-27 02:45:02 -07:00
protocol.c net: constify struct net_protocol 2009-09-14 17:03:01 -07:00
raw.c AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2) 2009-10-29 01:09:58 -07:00
route.c net: Fix RPF to work with policy routing 2009-10-29 22:49:12 -07:00
syncookies.c percpu: clean up percpu variable definitions 2009-06-24 15:13:48 +09:00
sysctl_net_ipv4.c sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
tcp_bic.c
tcp_cong.c Networking: use CAP_NET_ADMIN when deciding to call request_module 2009-08-14 11:18:34 +10:00
tcp_cubic.c
tcp_diag.c
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: fix ssthresh u16 leftover 2009-09-15 01:30:10 -07:00
tcp_ipv4.c tcp: fix ssthresh u16 leftover 2009-09-15 01:30:10 -07:00
tcp_lp.c
tcp_minisocks.c tcp: accept socket after TCP_DEFER_ACCEPT period 2009-10-19 19:19:01 -07:00
tcp_output.c IPv4 TCP fails to send window scale option when window scale is zero 2009-10-01 15:14:51 -07:00
tcp_probe.c
tcp_scalable.c
tcp_timer.c Revert Backoff [v3]: Calculate TCP's connection close threshold as a time value. 2009-09-01 02:45:47 -07:00
tcp_vegas.c tcp: tcp_vegas ssthresh bugfix 2009-05-25 22:44:59 -07:00
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c tcp: tcp_disconnect() should clear window_clamp 2009-11-30 12:53:30 -08:00
tunnel4.c net: constify struct net_protocol 2009-09-14 17:03:01 -07:00
udp_impl.h net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
udp.c net: fix sk_forward_alloc corruption 2009-10-30 12:25:12 -07:00
udplite.c net: constify struct net_protocol 2009-09-14 17:03:01 -07:00
xfrm4_input.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
xfrm4_output.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
xfrm4_policy.c xfrm4: fix build when SYSCTLs are disabled 2009-08-04 20:18:33 -07:00
xfrm4_state.c
xfrm4_tunnel.c