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e163376220
linux/net/bluetooth
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Dean Jenkins e163376220 Bluetooth: Handle bt_accept_enqueue() socket atomically 
There is a small risk that bt_accept_unlink() runs concurrently with
bt_accept_enqueue() on the same socket. This scenario could potentially
lead to a NULL pointer dereference of the socket's parent member because
the socket can be on the list but the socket's parent member is not yet
updated by bt_accept_enqueue().

Therefore, add socket locking inside bt_accept_enqueue() so that the
socket is added to the list AND the parent's socket address is set in the
socket's parent member. The socket locking ensures that the socket is on
the list with a valid non-NULL parent member.

Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-04-12 22:02:37 +02:00
..
bnep net: remove MTU limits on a few ether_setup callers 2016-10-21 13:57:50 -04:00
cmtp sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
hidp Bluetooth: hidp: fix device disconnect on idle timeout 2015-10-21 00:49:23 +02:00
rfcomm Bluetooth: convert rfcomm_dlc.refcnt from atomic_t to refcount_t 2017-04-12 22:02:36 +02:00
6lowpan.c 6lowpan: Fix IID format for Bluetooth 2017-04-12 22:02:36 +02:00
a2mp.c locking/atomic, kref: Add kref_read() 2017-01-14 11:37:18 +01:00
a2mp.h Bluetooth: Add BT_HS config option 2015-07-30 13:31:59 +02:00
af_bluetooth.c Bluetooth: Handle bt_accept_enqueue() socket atomically 2017-04-12 22:02:37 +02:00
amp.c locking/atomic, kref: Add kref_read() 2017-01-14 11:37:18 +01:00
amp.h Bluetooth: Add BT_HS config option 2015-07-30 13:31:59 +02:00
ecc.c Bluetooth: Add ECC library for LE Secure Connections 2014-12-03 16:51:16 +01:00
ecc.h Bluetooth: Add ECC library for LE Secure Connections 2014-12-03 16:51:16 +01:00
hci_conn.c Bluetooth: Fix using the correct source address type 2016-11-22 22:50:46 +01:00
hci_core.c Bluetooth: Fix wrong New Settings event when closing HCI User Channel 2016-09-19 20:19:34 +02:00
hci_debugfs.c Bluetooth: Add debugfs fields for hardware and firmware info 2016-07-18 09:33:28 +03:00
hci_debugfs.h Bluetooth: Provide option to enable/disable debugfs information 2015-02-15 18:54:13 +02:00
hci_event.c Bluetooth: fix spelling mistake: "advetising" -> "advertising" 2017-02-16 17:39:35 +01:00
hci_request.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
hci_request.h Bluetooth: Fix append max 11 bytes of name to scan rsp data 2016-10-19 18:42:37 +02:00
hci_sock.c scripts/spelling.txt: add "an user" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
hci_sysfs.c Bluetooth: Remove controller device attributes 2016-07-09 21:37:11 +03:00
Kconfig Bluetooth: add LED trigger for indicating HCI is powered up 2016-02-23 20:29:35 +01:00
l2cap_core.c locking/atomic, kref: Add kref_read() 2017-01-14 11:37:18 +01:00
l2cap_sock.c net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
leds.c Bluetooth: Add combined LED trigger for controller power 2016-09-19 20:19:34 +02:00
leds.h Bluetooth: Add combined LED trigger for controller power 2016-09-19 20:19:34 +02:00
lib.c Bluetooth: Add BT_WARN and bt_dev_warn logging macros 2015-09-24 16:25:44 +02:00
Makefile Makefile: drop -D__CHECK_ENDIAN__ from cflags 2016-12-16 00:13:43 +02:00
mgmt_util.c Bluetooth: Add support for sending MGMT commands and events to monitor 2016-09-19 20:19:34 +02:00
mgmt_util.h Bluetooth: Add generic mgmt helper API 2015-03-17 18:03:08 +01:00
mgmt.c Bluetooth: Fix append max 11 bytes of name to scan rsp data 2016-10-19 18:42:37 +02:00
sco.c net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
selftest.c Bluetooth: Export ECDH selftest result in debugfs 2015-04-02 08:47:38 +03:00
selftest.h Bluetooth: Add support for self testing framework 2014-12-30 08:53:55 +02:00
smp.c Bluetooth: SMP: Add support for H7 crypto function and CT2 auth flag 2016-12-08 07:50:24 +01:00
smp.h Bluetooth: SMP: Add support for H7 crypto function and CT2 auth flag 2016-12-08 07:50:24 +01:00