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Petar Penkov 0741be358d bpf: fix error check in bpf_tcp_gen_syncookie 
If a SYN cookie is not issued by tcp_v#_gen_syncookie, then the return
value will be exactly 0, rather than <= 0. Let's change the check to
reflect that, especially since mss is an unsigned value and cannot be
negative.

Fixes: 70d66244317e ("bpf: add bpf_tcp_gen_syncookie helper")
Reported-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Petar Penkov <ppenkov@google.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-08-31 00:58:06 +02:00
..
bpf_sk_storage.c
bpf: support cloning sk storage on accept()
2019-08-17 23:18:54 +02:00
datagram.c
net: Use skb_frag_off accessors
2019-07-30 14:21:32 -07:00
datagram.h
net/core: Allow the compiler to verify declaration and definition consistency
2019-03-27 13:49:44 -07:00
dev_addr_lists.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dev_ioctl.c
net/core: Document all dev_ioctl() arguments
2019-03-27 13:49:43 -07:00
dev.c
net: Don't call XDP_SETUP_PROG when nothing is changed
2019-08-17 23:11:54 +02:00
devlink.c
net: devlink: remove redundant rtnl lock assert
2019-08-13 16:47:11 -07:00
drop_monitor.c
drop_monitor: Expose tail drop counter
2019-08-11 10:53:30 -07:00
dst_cache.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dst.c
blackhole_netdev: use blackhole_netdev to invalidate dst entries
2019-07-01 19:34:46 -07:00
ethtool.c
net: ethtool: Allow parsing ETHER_FLOW types when using flow_rule
2019-06-27 09:38:17 -07:00
failover.c
failover: allow name change on IFF_UP slave interfaces
2019-04-10 22:12:26 -07:00
fib_notifier.c
net: Fix fib notifer to return errno
2018-03-29 14:10:30 -04:00
fib_rules.c
SPDX update for 5.2-rc4
2019-06-08 12:52:42 -07:00
filter.c
bpf: fix error check in bpf_tcp_gen_syncookie
2019-08-31 00:58:06 +02:00
flow_dissector.c
bpf/flow_dissector: support ipv6 flow_label and BPF_FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL
2019-07-25 18:00:41 -07:00
flow_offload.c
flow_offload: support get multi-subsystem block
2019-08-08 18:44:30 -07:00
gen_estimator.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
gen_stats.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
gro_cells.c
gro_cells: make sure device is up in gro_cells_receive()
2019-03-10 11:07:14 -07:00
hwbm.c
net: hwbm: Make the hwbm_pool lock a mutex
2019-06-09 19:40:10 -07:00
link_watch.c
net: link_watch: prevent starvation when processing linkwatch wq
2019-07-01 19:02:47 -07:00
lwt_bpf.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295
2019-06-05 17:36:38 +02:00
lwtunnel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
Makefile
bpf: Introduce bpf sk local storage
2019-04-27 09:07:04 -07:00
neighbour.c
net: neigh: remove redundant assignment to variable bucket
2019-07-27 13:32:06 -07:00
net_namespace.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2019-07-11 10:55:49 -07:00
net-procfs.c
treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively
2019-04-09 14:19:06 +02:00
net-sysfs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
net-sysfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
net-traces.c
page_pool: add tracepoints for page_pool with details need by XDP
2019-06-19 11:23:13 -04:00
netclassid_cgroup.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
netevent.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
netpoll.c
net: ipv4: provide __rcu annotation for ifa_list
2019-06-02 18:08:36 -07:00
netprio_cgroup.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
page_pool.c
net: core: page_pool: add user refcnt and reintroduce page_pool_destroy
2019-07-08 14:58:04 -07:00
pktgen.c
net: Use skb_frag_off accessors
2019-07-30 14:21:32 -07:00
ptp_classifier.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295
2019-06-05 17:36:38 +02:00
request_sock.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rtnetlink.c
rtnetlink: skip metrics loop for dst_default_metrics
2019-06-26 13:14:59 -07:00
scm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
secure_seq.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
skbuff.c
net: Use skb_frag_off accessors
2019-07-30 14:21:32 -07:00
skmsg.c
bpf: sockmap/tls, close can race with map free
2019-07-22 16:04:17 +02:00
sock_diag.c
net: sock_diag: Fix spectre v1 gadget in __sock_diag_cmd()
2018-08-14 10:01:24 -07:00
sock_map.c
bpf: sockmap, only create entry if ulp is not already enabled
2019-07-22 16:04:17 +02:00
sock_reuseport.c
bpf: net: Add SO_DETACH_REUSEPORT_BPF
2019-06-15 01:21:19 +02:00
sock.c
bpf: support cloning sk storage on accept()
2019-08-17 23:18:54 +02:00
stream.c
tcp: reduce POLLOUT events caused by TCP_NOTSENT_LOWAT
2018-12-04 21:21:18 -08:00
sysctl_net_core.c
net: use listified RX for handling GRO_NORMAL skbs
2019-08-08 18:22:29 -07:00
timestamping.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
tso.c
net: Use skb accessors in network core
2019-07-22 20:47:56 -07:00
utils.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
xdp.c
net: core: page_pool: add user refcnt and reintroduce page_pool_destroy
2019-07-08 14:58:04 -07:00