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06dd3f31cb
linux/net/bluetooth
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Dan Carpenter 11eb85ec42 Bluetooth: Fix race condition in hci_release_sock() 
Syzbot managed to trigger a use after free "KASAN: use-after-free Write
in hci_sock_bind".  I have reviewed the code manually and one possibly
cause I have found is that we are not holding lock_sock(sk) when we do
the hci_dev_put(hdev) in hci_sock_release().  My theory is that the bind
and the release are racing against each other which results in this use
after free.

Reported-by: syzbot+eba992608adf3d796bcc@syzkaller.appspotmail.com
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2020-01-26 10:34:17 +02:00
..
bnep netdev: pass the stuck queue to the timeout handler 2019-12-12 21:38:57 -08:00
cmtp treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
hidp Bluetooth: hidp: Fix assumptions on the return value of hidp_send_message 2019-09-06 15:55:40 +02:00
rfcomm compat_ioctl: move rfcomm handlers into driver 2019-10-23 17:23:44 +02:00
6lowpan.c net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
a2mp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
a2mp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
af_bluetooth.c net: use helpers to change sk_ack_backlog 2019-11-06 16:14:48 -08:00
amp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
amp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
ecdh_helper.c
ecdh_helper.h
hci_conn.c Bluetooth: Fix memory leak in hci_connect_le_scan 2019-11-22 10:42:53 +01:00
hci_core.c Bluetooth: Add missing checks for HCI_ISODATA_PKT packet type 2020-01-25 16:33:46 +02:00
hci_debugfs.c Bluetooth: Move {min,max}_key_size debugfs into hci_debugfs_create_le 2020-01-25 16:33:52 +02:00
hci_debugfs.h
hci_event.c Bluetooth: Add support for LE PHY Update Complete event 2020-01-04 10:49:23 +01:00
hci_request.c Bluetooth: Fix advertising duplicated flags 2019-11-04 10:12:05 +02:00
hci_request.h Bluetooth: Use controller sets when available 2019-07-06 15:38:18 +02:00
hci_sock.c Bluetooth: Fix race condition in hci_release_sock() 2020-01-26 10:34:17 +02:00
hci_sysfs.c
Kconfig crypto: skcipher - rename the crypto_blkcipher module and kconfig option 2019-11-01 13:42:47 +08:00
l2cap_core.c Bluetooth: remove redundant assignment to variable icid 2020-01-08 21:44:22 +01:00
l2cap_sock.c Bluetooth: Add return check for L2CAP security level set 2019-04-23 18:09:07 +02:00
leds.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lib.c Bluetooth: Adding a bt_dev_warn_ratelimited macro. 2020-01-04 10:41:03 +01:00
Makefile
mgmt_util.c
mgmt_util.h
mgmt.c Bluetooth: fix appearance typo in mgmt.c 2020-01-22 21:23:16 +01:00
sco.c net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
selftest.c
selftest.h
smp.c Bluetooth: Move {min,max}_key_size debugfs into hci_debugfs_create_le 2020-01-25 16:33:52 +02:00
smp.h Bluetooth: SMP: fix crash in unpairing 2018-09-26 12:39:32 +03:00