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9afee94939
linux/net/bluetooth
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Frederic Dalleau 9afee94939 Bluetooth: Fix memory leak at end of hci requests 
In hci_req_sync_complete the event skb is referenced in hdev->req_skb.
It is used (via hci_req_run_skb) from either __hci_cmd_sync_ev which will
pass the skb to the caller, or __hci_req_sync which leaks.

unreferenced object 0xffff880005339a00 (size 256):
  comm "kworker/u3:1", pid 1011, jiffies 4294671976 (age 107.389s)
  backtrace:
    [<ffffffff818d89d9>] kmemleak_alloc+0x49/0xa0
    [<ffffffff8116bba8>] kmem_cache_alloc+0x128/0x180
    [<ffffffff8167c1df>] skb_clone+0x4f/0xa0
    [<ffffffff817aa351>] hci_event_packet+0xc1/0x3290
    [<ffffffff8179a57b>] hci_rx_work+0x18b/0x360
    [<ffffffff810692ea>] process_one_work+0x14a/0x440
    [<ffffffff81069623>] worker_thread+0x43/0x4d0
    [<ffffffff8106ead4>] kthread+0xc4/0xe0
    [<ffffffff818dd38f>] ret_from_fork+0x1f/0x40
    [<ffffffffffffffff>] 0xffffffffffffffff

Signed-off-by: Frédéric Dalleau <frederic.dalleau@collabora.co.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-08-24 16:49:29 +02:00
..
bnep treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
cmtp Bluetooth: use list_for_each_entry* 2015-12-20 08:11:10 +01:00
hidp Bluetooth: hidp: fix device disconnect on idle timeout 2015-10-21 00:49:23 +02:00
rfcomm Bluetooth: use list_for_each_entry* 2015-12-20 08:11:10 +01:00
6lowpan.c net: add netdev_lockdep_set_classes() helper 2016-06-09 13:28:37 -07:00
a2mp.c Bluetooth: Move get info completed callback to a2mp.c 2015-07-30 13:37:22 +02:00
a2mp.h Bluetooth: Add BT_HS config option 2015-07-30 13:31:59 +02:00
af_bluetooth.c Bluetooth: Fix bt_sock_recvmsg return value 2016-07-08 12:20:57 +02:00
amp.c Bluetooth: Fix breakage in amp_write_rem_assoc_frag() 2015-08-10 20:41:34 +02:00
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: Rename HCI_BREDR into HCI_PRIMARY 2016-07-09 21:37:13 +03:00
hci_core.c Bluetooth: Add debugfs fields for hardware and firmware info 2016-07-18 09:33:28 +03:00
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: Add Authentication Failed reason to Disconnected Mgmt event 2016-07-13 08:32:12 +03:00
hci_request.c Bluetooth: Fix memory leak at end of hci requests 2016-08-24 16:49:29 +02:00
hci_request.h Bluetooth: Add support for limited privacy mode 2016-03-10 19:51:30 +01:00
hci_sock.c Bluetooth: Rename HCI_BREDR into HCI_PRIMARY 2016-07-09 21:37:13 +03:00
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 Bluetooth: Rename HCI_BREDR into HCI_PRIMARY 2016-07-09 21:37:13 +03:00
l2cap_sock.c Bluetooth: Fix l2cap_sock_setsockopt() with optname BT_RCVMTU 2016-07-17 19:59:26 +02:00
leds.c Bluetooth: Use managed version of led_trigger_register in LED trigger 2016-02-23 20:29:36 +01:00
leds.h Bluetooth: Use managed version of led_trigger_register in LED trigger 2016-02-23 20:29:36 +01:00
lib.c Bluetooth: Add BT_WARN and bt_dev_warn logging macros 2015-09-24 16:25:44 +02:00
Makefile Bluetooth: add LED trigger for indicating HCI is powered up 2016-02-23 20:29:35 +01:00
mgmt_util.c Bluetooth: Add generic mgmt helper API 2015-03-17 18:03:08 +01:00
mgmt_util.h Bluetooth: Add generic mgmt helper API 2015-03-17 18:03:08 +01:00
mgmt.c Bluetooth: Increment management interface revision 2016-07-13 10:02:52 +02:00
sco.c bluetooth: Validate socket address length in sco_sock_bind(). 2015-12-15 15:39:08 -05:00
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: Switch SMP to crypto_cipher_encrypt_one() 2016-07-08 12:20:57 +02:00
smp.h Bluetooth: Fix crash in SMP when unpairing 2015-10-22 09:02:03 +02:00