android_kernel_motorola_sm6375/net/bluetooth
Repository files (latest commit first)
Filename Latest commit message Latest commit date
Min Li 8a99e6200c Bluetooth: Fix race condition in hidp_session_thread
commit c95930abd687fcd1aa040dc4fe90dff947916460 upstream.

There is a potential race condition in hidp_session_thread that may
lead to use-after-free. For instance, the timer is active while
hidp_del_timer is called in hidp_session_thread(). After hidp_session_put,
then 'session' will be freed, causing kernel panic when hidp_idle_timeout
is running.

The solution is to use del_timer_sync instead of del_timer.

Here is the call trace:

? hidp_session_probe+0x780/0x780
call_timer_fn+0x2d/0x1e0
__run_timers.part.0+0x569/0x940
hidp_session_probe+0x780/0x780
call_timer_fn+0x1e0/0x1e0
ktime_get+0x5c/0xf0
lapic_next_deadline+0x2c/0x40
clockevents_program_event+0x205/0x320
run_timer_softirq+0xa9/0x1b0
__do_softirq+0x1b9/0x641
__irq_exit_rcu+0xdc/0x190
irq_exit_rcu+0xe/0x20
sysvec_apic_timer_interrupt+0xa1/0xc0

Cc: stable@vger.kernel.org
Signed-off-by: Min Li <lm0963hack@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-04-20 12:07:35 +02:00
..
bnep
cmtp Bluetooth: cmtp: fix possible panic when cmtp_init_sockets() fails 2022-01-27 09:19:29 +01:00
hidp Bluetooth: Fix race condition in hidp_session_thread 2023-04-20 12:07:35 +02:00
rfcomm Bluetooth: RFCOMM: don't call kfree_skb() under spin_lock_irqsave() 2023-01-18 11:41:16 +01:00
6lowpan.c Bluetooth: 6LoWPAN: add missing hci_dev_put() in get_l2cap_conn() 2022-12-14 11:30:45 +01:00
a2mp.c
a2mp.h
af_bluetooth.c Bluetooth: Fix not cleanup led when bt_init fails 2022-12-14 11:30:45 +01:00
amp.c
amp.h
ecdh_helper.c
ecdh_helper.h Fix misc new gcc warnings 2021-05-11 14:04:16 +02:00
hci_conn.c
hci_core.c Bluetooth: hci_sync: cancel cmd_timer if hci_open failed 2023-02-06 07:52:43 +01:00
hci_debugfs.c
hci_debugfs.h
hci_event.c Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt 2023-02-06 07:52:51 +01:00
hci_request.c bluetooth: eliminate the potential race condition when removing the HCI controller 2021-05-14 09:44:10 +02:00
hci_request.h
hci_sock.c Bluetooth: hci_sock: purge socket queues in the destruct() callback 2023-03-11 16:44:16 +01:00
hci_sysfs.c Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times 2022-10-26 13:22:49 +02:00
Kconfig
l2cap_core.c Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} 2023-04-20 12:07:35 +02:00
l2cap_sock.c Bluetooth: L2CAP: Fix potential user-after-free 2023-03-11 16:43:41 +01:00
leds.c
leds.h
lib.c
Makefile
mgmt.c Bluetooth: Fix the HCI to MGMT status conversion table 2021-07-19 08:53:13 +02:00
mgmt_util.c
mgmt_util.h
sco.c Bluetooth: SCO: Fix sco_send_frame returning skb->len 2022-07-29 17:14:19 +02:00
selftest.c
selftest.h
smp.c Bluetooth: SMP: Fail if remote and local public keys are identical 2021-05-26 12:05:21 +02:00
smp.h