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linux/net
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Davide Caratti 8c72894048 mptcp: silence warning in subflow_data_ready() 
since commit d47a721520 ("mptcp: fix race in subflow_data_ready()"), it
is possible to observe a regression in MP_JOIN kselftests. For sockets in
TCP_CLOSE state, it's not sufficient to just wake up the main socket: we
also need to ensure that received data are made available to the reader.
Silence the WARN_ON_ONCE() in these cases: it preserves the syzkaller fix
and restores kselftests	when they are ran as follows:

  # while true; do
  > make KBUILD_OUTPUT=/tmp/kselftest TARGETS=net/mptcp kselftest
  > done

Reported-by: Florian Westphal <fw@strlen.de>
Fixes: d47a721520 ("mptcp: fix race in subflow_data_ready()")
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/47
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17 12:47:00 -07:00
..
6lowpan treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
9p net: 9p: kerneldoc fixes 2020-07-13 17:20:39 -07:00
802
8021q net: get rid of lockdep_set_class_and_subclass() 2020-06-28 21:37:23 -07:00
appletalk
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-06-13 16:27:13 -07:00
ax25 AX.25 Kconfig: Replace HTTP links with HTTPS ones 2020-07-13 12:34:06 -07:00
batman-adv batman-adv: Introduce a configurable per interface hop penalty 2020-06-26 10:37:11 +02:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
bpf bpf: Add tests for PTR_TO_BTF_ID vs. null comparison 2020-06-30 22:21:29 +02:00
bpfilter bpfilter: Allow to build bpfilter_umh as a module without static library 2020-07-14 12:37:06 -07:00
bridge net: bridge: Add port attribute IFLA_BRPORT_MRP_IN_OPEN 2020-07-14 13:46:43 -07:00
caif treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
can net: can: kerneldoc fixes 2020-07-13 17:20:39 -07:00
ceph libceph: don't omit used_replica in target_copy() 2020-06-16 16:02:08 +02:00
core Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
dcb dcb_doit: remove redundant skb check 2020-06-23 20:27:09 -07:00
dccp net: dccp: kerneldoc fixes 2020-07-13 17:20:39 -07:00
decnet decnet: dn_dev: Remove an unnecessary label. 2020-07-15 18:03:28 -07:00
dns_resolver
dsa net: dsa: felix: create a template for the DSA tags on xmit 2020-07-13 17:40:01 -07:00
ethernet net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
ethtool Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-07-11 00:46:00 -07:00
hsr Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-07-11 00:46:00 -07:00
ieee802154 treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ife
ipv4 Merge branch 'usermode-driver-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace into bpf-next 2020-07-14 12:18:01 -07:00
ipv6 net: ipv6: kerneldoc fixes 2020-07-13 17:20:39 -07:00
iucv
kcm treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
key
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-07-11 00:46:00 -07:00
l3mdev l3mdev: add infrastructure for table to VRF mapping 2020-06-20 17:22:22 -07:00
lapb treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
llc net: llc: kerneldoc fixes 2020-07-13 17:20:39 -07:00
mac80211 net: mac80211: kerneldoc fixes 2020-07-13 17:20:39 -07:00
mac802154 treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mpls treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mptcp mptcp: silence warning in subflow_data_ready() 2020-07-17 12:47:00 -07:00
ncsi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
netfilter net: sched: Pass qdisc reference in struct flow_block_offload 2020-07-13 17:22:21 -07:00
netlabel net: netlabel: kerneldoc fixes 2020-07-13 17:20:40 -07:00
netlink genetlink: remove genl_bind 2020-07-01 15:49:11 -07:00
netrom net: change addr_list_lock back to static key 2020-06-09 12:59:45 -07:00
nfc net: nfc: kerneldoc fixes 2020-07-13 17:20:40 -07:00
nsh treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
openvswitch net: openvswitch: reorder masks array based on usage 2020-07-17 10:36:50 -07:00
packet af_packet: TPACKET_V3: replace busy-wait loop 2020-07-16 11:40:39 -07:00
phonet
psample net: psample: fix build error when CONFIG_INET is not enabled 2020-05-23 16:36:05 -07:00
qrtr net: qrtr: Fix an out of bounds read qrtr_endpoint_post() 2020-06-30 18:36:13 -07:00
rds rds: If one path needs re-connection, check all and re-connect 2020-07-01 17:35:17 -07:00
rfkill
rose net: change addr_list_lock back to static key 2020-06-09 12:59:45 -07:00
rxrpc net: rxrpc: kerneldoc fixes 2020-07-13 17:20:40 -07:00
sched Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sctp sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket 2020-06-25 16:11:33 -07:00
smc net/smc: tolerate future SMCD versions 2020-07-08 12:35:15 -07:00
strparser
sunrpc Fixes for a umask bug on exported filesystems lacking ACL support, a 2020-07-02 20:35:33 -07:00
switchdev net: switchdev: kerneldoc fixes 2020-07-13 17:20:40 -07:00
tipc net: tipc: kerneldoc fixes 2020-07-13 17:20:40 -07:00
tls net/tls: Add asynchronous resync 2020-06-27 14:00:22 -07:00
unix treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
vmw_vsock vsock/vmci: make vmci_vsock_transport_cb() static 2020-06-05 13:18:26 -07:00
wimax
wireless net: wireless: kerneldoc fixes 2020-07-13 17:20:40 -07:00
x25 net: x25: kerneldoc fixes 2020-07-13 17:20:40 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-07-13 18:04:05 -07:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-07-11 00:46:00 -07:00
compat.c switch cmsghdr_from_user_compat_to_kern() to copy_from_user() 2020-06-01 12:05:45 -07:00
devres.c net: devres: rename the release callback of devm_register_netdev() 2020-06-30 15:57:34 -07:00
Kconfig net: ethtool: Remove PHYLIB direct dependency 2020-07-07 15:41:05 -07:00
Makefile net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
socket.c net: socket: Move kerneldoc next to function it documents 2020-07-13 17:20:40 -07:00
sysctl_net.c