linux_dsm_epyc7002/net/ipv4
Christoph Paasch f2feaefdab tcp: Don't access TCP_SKB_CB before initializing it
Since commit eeea10b83a ("tcp: add
tcp_v4_fill_cb()/tcp_v4_restore_cb()"), tcp_vX_fill_cb is only called
after tcp_filter(). That means, TCP_SKB_CB(skb)->end_seq still points to
the IP-part of the cb.

We thus should not mock with it, as this can trigger bugs (thanks
syzkaller):
[   12.349396] ==================================================================
[   12.350188] BUG: KASAN: slab-out-of-bounds in ip6_datagram_recv_specific_ctl+0x19b3/0x1a20
[   12.351035] Read of size 1 at addr ffff88006adbc208 by task test_ip6_datagr/1799

Setting end_seq is actually no more necessary in tcp_filter as it gets
initialized later on in tcp_vX_fill_cb.

Cc: Eric Dumazet <edumazet@google.com>
Fixes: eeea10b83a ("tcp: add tcp_v4_fill_cb()/tcp_v4_restore_cb()")
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-03-11 15:36:49 -07:00
..
bpfilter
netfilter
af_inet.c
ah4.c
arp.c
cipso_ipv4.c
datagram.c
devinet.c
esp4_offload.c
esp4.c
fib_frontend.c
fib_lookup.h
fib_notifier.c
fib_rules.c
fib_semantics.c
fib_trie.c
fou.c fou, fou6: avoid uninit-value in gue_err() and gue6_err() 2019-03-08 15:19:53 -08:00
gre_demux.c
gre_offload.c
icmp.c
igmp.c
inet_connection_sock.c
inet_diag.c
inet_fragment.c
inet_hashtables.c
inet_timewait_sock.c
inetpeer.c
ip_forward.c
ip_fragment.c
ip_gre.c
ip_input.c
ip_options.c
ip_output.c
ip_sockglue.c
ip_tunnel_core.c
ip_tunnel.c
ip_vti.c
ipcomp.c
ipconfig.c
ipip.c
ipmr_base.c
ipmr.c
Kconfig
Makefile
metrics.c
netfilter.c
netlink.c
ping.c
proc.c
protocol.c
raw_diag.c
raw.c
route.c route: set the deleted fnhe fnhe_daddr to 0 in ip_del_fnhe to fix a race 2019-03-08 10:50:34 -08:00
syncookies.c tcp: handle inet_csk_reqsk_queue_add() failures 2019-03-08 16:05:10 -08:00
sysctl_net_ipv4.c
tcp_bbr.c
tcp_bic.c
tcp_bpf.c
tcp_cdg.c
tcp_cong.c
tcp_cubic.c
tcp_dctcp.c
tcp_dctcp.h
tcp_diag.c
tcp_fastopen.c
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: handle inet_csk_reqsk_queue_add() failures 2019-03-08 16:05:10 -08:00
tcp_ipv4.c tcp: Don't access TCP_SKB_CB before initializing it 2019-03-11 15:36:49 -07:00
tcp_lp.c
tcp_metrics.c
tcp_minisocks.c
tcp_nv.c
tcp_offload.c
tcp_output.c
tcp_rate.c
tcp_recovery.c
tcp_scalable.c
tcp_timer.c
tcp_ulp.c
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c tcp: do not report TCP_CM_INQ of 0 for closed connections 2019-03-06 11:00:50 -08:00
tunnel4.c
udp_diag.c
udp_impl.h
udp_offload.c
udp_tunnel.c
udp.c
udplite.c
xfrm4_input.c
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c
xfrm4_output.c
xfrm4_policy.c
xfrm4_protocol.c
xfrm4_state.c
xfrm4_tunnel.c