android_kernel_oneplus_msm8998/net/core
Eric Dumazet b2f72a4311 net: avoid weird emergency message
[ Upstream commit d7c04b05c9ca14c55309eb139430283a45c4c25f ]

When host is under high stress, it is very possible thread
running netdev_wait_allrefs() returns from msleep(250)
10 seconds late.

This leads to these messages in the syslog :

[...] unregister_netdevice: waiting for syz_tun to become free. Usage count = 0

If the device refcount is zero, the wait is over.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-11 12:23:43 +02:00
..
datagram.c
dev.c net: avoid weird emergency message 2019-06-11 12:23:43 +02:00
dev_addr_lists.c net: fix uninit-value in __hw_addr_add_ex() 2018-05-16 10:06:50 +02:00
dev_ioctl.c net: Zero terminate ifr_name in dev_ifname(). 2017-08-11 09:08:52 -07:00
drop_monitor.c
dst.c Fix an intermittent pr_emerg warning about lo becoming free. 2017-07-05 14:37:13 +02:00
dst_cache.c net: dst_cache_per_cpu_dst_set() can be static 2018-02-25 11:03:55 +01:00
ethtool.c net: ethtool: not call vzalloc for zero sized memory request 2019-04-27 09:33:55 +02:00
fib_rules.c
filter.c bpf: reject wrong sized filters earlier 2019-05-16 19:44:52 +02:00
flow.c
flow_dissector.c flow_dissector: do not dissect l4 ports for fragments 2018-11-27 16:07:56 +01:00
gen_estimator.c
gen_stats.c
link_watch.c
lwtunnel.c
Makefile net: add dst_cache support 2018-02-25 11:03:34 +01:00
neighbour.c neighbour: confirm neigh entries when ARP packet is received 2018-09-29 03:08:52 -07:00
net-procfs.c
net-sysfs.c net-sysfs: Fix mem leak in netdev_register_kobject 2019-03-23 08:44:22 +01:00
net-sysfs.h
net-traces.c
net_namespace.c netns: provide pure entropy for net_hash_mix() 2019-04-27 09:33:55 +02:00
netclassid_cgroup.c
netevent.c
netpoll.c netpoll: Check for skb->queue_mapping 2017-05-02 21:19:53 -07:00
netprio_cgroup.c
pktgen.c
ptp_classifier.c
request_sock.c
rtnetlink.c rtnetlink: ndo_dflt_fdb_dump() only work for ARPHRD_ETHER devices 2018-12-17 21:55:09 +01:00
scm.c
secure_seq.c
skbuff.c net: Do not allocate page fragments that are not skb aligned 2019-02-23 09:05:14 +01:00
sock.c net: call sk_dst_reset when set SO_DONTROUTE 2019-01-26 09:42:53 +01:00
sock_diag.c net: core: fix module type in sock_diag_bind 2018-01-17 09:35:29 +01:00
stream.c
sysctl_net_core.c net: move somaxconn init from sysctl code 2018-04-13 19:50:11 +02:00
timestamping.c
tso.c
utils.c