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941f699544
linux/net
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Linus Torvalds 941f699544 Revert "af_unix: Fix splice-bind deadlock" 
commit 38f7bd94a9 upstream.

This reverts commit c845acb324.

It turns out that it just replaces one deadlock with another one: we can
still get the wrong lock ordering with the readlock due to overlayfs
calling back into the filesystem layer and still taking the vfs locks
after the readlock.

The proper solution ends up being to just split the readlock into two
pieces: the bind lock (taken *outside* the vfs locks) and the IO lock
(taken *inside* the filesystem locks).  The two locks are independent
anyway.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-30 10:18:36 +02:00
..
6lowpan 6lowpan: put mcast compression in an own function 2015-10-21 00:49:25 +02:00
9p IB/cma: Add support for network namespaces 2015-10-28 12:32:48 -04:00
802
8021q vlan: Do not put vlan headers back on bridge and macvlan ports 2015-11-17 14:38:35 -05:00
appletalk
atm atm: deal with setting entry before mkip was called 2015-09-17 22:13:32 -07:00
ax25 AX.25: Close socket connection on session completion 2016-07-11 09:31:12 -07:00
batman-adv batman-adv: Reduce refcnt of removed router when updating route 2016-05-11 11:21:18 +02:00
bluetooth Bluetooth: Fix l2cap_sock_setsockopt() with optname BT_RCVMTU 2016-08-20 18:09:19 +02:00
bridge Bridge: Fix ipv6 mc snooping if bridge has no ipv6 address 2016-07-11 09:31:11 -07:00
caif net: caif: fix misleading indentation 2016-09-30 10:18:35 +02:00
can can: avoid using timeval for uapi 2015-10-13 17:42:34 +02:00
ceph libceph: apply new_state before new_up_client on incrementals 2016-08-10 11:49:29 +02:00
core bonding: Fix bonding crash 2016-09-30 10:18:36 +02:00
dcb net/dcb: make dcbnl.c explicitly non-modular 2015-10-09 07:52:27 -07:00
dccp tcp/dccp: remove obsolete WARN_ON() in icmp handlers 2016-04-20 15:42:04 +09:00
decnet decnet: Do not build routes to devices without decnet private data. 2016-05-18 17:06:35 -07:00
dns_resolver net: dns_resolver: convert time_t to time64_t 2015-11-18 16:27:46 -05:00
dsa net: dsa: use switchdev obj for VLAN add/del ops 2015-11-01 15:56:11 -05:00
ethernet net: help compiler generate better code in eth_get_headlen 2015-09-28 22:51:15 -07:00
hsr net/hsr: fix a warning message 2015-11-23 14:56:15 -05:00
ieee802154 net: fix percpu memory leaks 2015-11-02 22:47:14 -05:00
ipv4 tcp: properly scale window in tcp_v[46]_reqsk_send_ack() 2016-09-30 10:18:34 +02:00
ipv6 tcp: properly scale window in tcp_v[46]_reqsk_send_ack() 2016-09-30 10:18:34 +02:00
ipx
irda net/irda: fix NULL pointer dereference on memory allocation failure 2016-08-16 09:30:48 +02:00
iucv af_iucv: Validate socket address length in iucv_sock_bind() 2016-03-03 15:07:03 -08:00
key af_key: fix two typos 2015-10-23 03:05:19 -07:00
l2tp l2tp: fix configuration passed to setup_udp_tunnel_sock() 2016-06-24 10:18:17 -07:00
l3mdev net: Add netif_is_l3_slave 2015-10-07 04:27:43 -07:00
lapb
llc net: fix infoleak in llc 2016-05-18 17:06:40 -07:00
mac80211 mac80211: fix purging multicast PS buffer queue 2016-09-07 08:32:41 +02:00
mac802154 mac802154: llsec: use kzfree 2015-10-21 00:49:24 +02:00
mpls mpls: find_outdev: check for err ptr in addition to NULL check 2016-04-20 15:42:07 +09:00
netfilter netfilter: x_tables: check for size overflow 2016-09-15 08:27:50 +02:00
netlabel netlabel: add address family checks to netlbl_{sock,req}_delattr() 2016-08-20 18:09:22 +02:00
netlink netlink: Fix dump skb leak/double free 2016-06-24 10:18:16 -07:00
netrom
nfc net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
openvswitch vxlan, gre, geneve: Set a large MTU on ovs-created tunnel devices 2016-06-24 10:18:18 -07:00
packet packet: Use symmetric hash for PACKET_FANOUT_HASH. 2016-07-27 09:47:31 -07:00
phonet phonet: properly unshare skbs in phonet_rcv() 2016-01-31 11:29:00 -08:00
rds rds: fix an infoleak in rds_inc_info_copy 2016-09-15 08:27:51 +02:00
rfkill rfkill: fix rfkill_fop_read wait_event usage 2016-03-03 15:07:26 -08:00
rose
rxrpc net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
sched net_sched: fix mirrored packets checksum 2016-07-27 09:47:31 -07:00
sctp sctp: lack the check for ports in sctp_v6_cmp_addr 2016-04-20 15:41:58 +09:00
sunrpc SUNRPC: allow for upcalls for same uid but different gss service 2016-09-07 08:32:36 +02:00
switchdev switchdev: pass pointer to fib_info instead of copy 2016-06-24 10:18:16 -07:00
tipc tipc: move linearization of buffers to generic code 2016-09-24 10:07:35 +02:00
unix Revert "af_unix: Fix splice-bind deadlock" 2016-09-30 10:18:36 +02:00
vmw_vsock VSOCK: do not disconnect socket when peer has shutdown SEND only 2016-05-18 17:06:41 -07:00
wimax
wireless Revert "wext: Fix 32 bit iwpriv compatibility issue with 64 bit Kernel" 2016-09-24 10:07:41 +02:00
x25 net: fix a kernel infoleak in x25 module 2016-05-18 17:06:43 -07:00
xfrm xfrm: Fix crash observed during device unregistration and decryption 2016-04-20 15:42:05 +09:00
compat.c
Kconfig net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
Makefile net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
socket.c net: Fix use after free in the recvmmsg exit path 2016-04-20 15:42:03 +09:00
sysctl_net.c net: Use ns_capable_noaudit() when determining net sysctl permissions 2016-09-15 08:27:50 +02:00