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linux-stable/net/bluetooth
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Luiz Augusto von Dentz 30bc279c42 Bluetooth: hci_sync: Fix UAF on hci_abort_conn_sync 
commit 7453847fb2 upstream.

Fixes the following trace where hci_acl_create_conn_sync attempts to
call hci_abort_conn_sync after timeout:

BUG: KASAN: slab-use-after-free in hci_abort_conn_sync
(net/bluetooth/hci_sync.c:5439)
Read of size 2 at addr ffff88800322c032 by task kworker/u3:2/36

Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38
04/01/2014
Workqueue: hci0 hci_cmd_sync_work
Call Trace:
<TASK>
dump_stack_lvl (./arch/x86/include/asm/irqflags.h:26
./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127
lib/dump_stack.c:107)
print_report (mm/kasan/report.c:378 mm/kasan/report.c:488)
? preempt_count_sub (kernel/sched/core.c:5889)
? __virt_addr_valid (./arch/x86/include/asm/preempt.h:103 (discriminator 1)
./include/linux/rcupdate.h:865 (discriminator 1)
./include/linux/mmzone.h:2026 (discriminator 1)
arch/x86/mm/physaddr.c:65 (discriminator 1))
? hci_abort_conn_sync (net/bluetooth/hci_sync.c:5439)
kasan_report (mm/kasan/report.c:603)
? hci_abort_conn_sync (net/bluetooth/hci_sync.c:5439)
hci_abort_conn_sync (net/bluetooth/hci_sync.c:5439)
? __pfx_hci_abort_conn_sync (net/bluetooth/hci_sync.c:5433)
hci_acl_create_conn_sync (net/bluetooth/hci_sync.c:6681)

Fixes: 45340097ce ("Bluetooth: hci_conn: Only do ACL connections sequentially")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2024-05-02 16:35:35 +02:00
..
bnep Bluetooth: Consolidate code around sk_alloc into a helper function 2023-08-11 11:36:50 -07:00
cmtp Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
hidp Bluetooth: Init sk_peer_* on bt_sock_alloc 2023-08-11 11:37:22 -07:00
rfcomm Bluetooth: RFCOMM: Fix not validating setsockopt user input 2024-04-17 11:23:32 +02:00
6lowpan.c Bluetooth: hci_conn: Always use sk_timeo as conn_timeout 2024-05-02 16:35:18 +02:00
Kconfig Bluetooth: Remove BT_HS 2024-03-26 18:16:53 -04:00
Makefile Bluetooth: Remove BT_HS 2024-03-26 18:16:53 -04:00
af_bluetooth.c Bluetooth: af_bluetooth: Fix deadlock 2024-03-26 18:16:54 -04:00
aosp.c Bluetooth: Fix null pointer deref on unexpected status event 2022-08-08 17:04:37 -07:00
aosp.h Bluetooth: aosp: Support AOSP Bluetooth Quality Report 2021-11-02 19:37:52 +01:00
coredump.c Bluetooth: Remove unnecessary NULL check before vfree() 2023-08-11 11:56:54 -07:00
ecdh_helper.c Bluetooth: Use crypto_wait_req 2023-02-13 18:34:48 +08:00
ecdh_helper.h Fix misc new gcc warnings 2021-04-27 17:05:53 -07:00
eir.c Bluetooth: Fix eir name length 2024-03-26 18:16:56 -04:00
eir.h Bluetooth: Add initial implementation of BIS connections 2022-07-22 17:13:56 -07:00
hci_codec.c Bluetooth: Fix support for Read Local Supported Codecs V2 2022-12-02 13:09:31 -08:00
hci_codec.h Bluetooth: Add support for Read Local Supported Codecs V2 2021-09-07 14:09:18 -07:00
hci_conn.c Bluetooth: hci_sync: Use advertised PHYs on hci_le_ext_create_conn_sync 2024-05-02 16:35:19 +02:00
hci_core.c Bluetooth: hci_sync: Fix not checking error on hci_cmd_sync_cancel_sync 2024-04-03 15:32:43 +02:00
hci_debugfs.c Bluetooth: Fix TOCTOU in HCI debugfs implementation 2024-04-10 16:38:02 +02:00
hci_debugfs.h Bluetooth: hci_core: Move all debugfs handling to hci_debugfs.c 2021-09-22 16:17:13 +02:00
hci_event.c Bluetooth: hci_event: Fix sending HCI_OP_READ_ENC_KEY_SIZE 2024-05-02 16:35:19 +02:00
hci_request.c Bluetooth: Fix memory leak in hci_req_sync_complete() 2024-04-17 11:23:25 +02:00
hci_request.h Bluetooth: Delete unused hci_req_prepare_suspend() declaration 2023-09-20 10:55:29 -07:00
hci_sock.c Bluetooth: hci_sock: Fix not validating setsockopt user input 2024-04-17 11:23:32 +02:00
hci_sync.c Bluetooth: hci_sync: Fix UAF on hci_abort_conn_sync 2024-05-02 16:35:35 +02:00
hci_sysfs.c Bluetooth: Fix double free in hci_conn_cleanup 2023-10-23 11:05:11 -07:00
iso.c Bluetooth: ISO: Reassemble PA data for bcast sink 2024-05-02 16:35:19 +02:00
l2cap_core.c Bluetooth: hci_sync: Use advertised PHYs on hci_le_ext_create_conn_sync 2024-05-02 16:35:19 +02:00
l2cap_sock.c Bluetooth: Fix type of len in {l2cap,sco}_sock_getsockopt_old() 2024-05-02 16:35:25 +02:00
leds.c
…
leds.h
…
lib.c Bluetooth: Add documentation to exported functions in lib 2023-12-22 12:54:55 -05:00
mgmt.c Bluetooth: hci_sync: Using hci_cmd_sync_submit when removing Adv Monitor 2024-05-02 16:35:19 +02:00
mgmt_config.c Bluetooth: mgmt: Use the correct print format 2021-06-26 07:12:42 +02:00
mgmt_config.h
…
mgmt_util.c Bluetooth: Implement support for Mesh 2022-09-06 13:18:24 -07:00
mgmt_util.h Bluetooth: Fix a buffer overflow in mgmt_mesh_add() 2023-01-17 15:50:10 -08:00
msft.c Bluetooth: msft: Fix memory leak 2024-03-26 18:16:54 -04:00
msft.h Bluetooth: hci_sync: Refactor remove Adv Monitor 2022-07-21 17:14:55 -07:00
sco.c Bluetooth: Fix type of len in {l2cap,sco}_sock_getsockopt_old() 2024-05-02 16:35:25 +02:00
selftest.c crypto: ecdh - move curve_id of ECDH from the key to algorithm name 2021-03-13 00:04:03 +11:00
selftest.h
…
smp.c Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE 2023-12-15 11:53:09 -05:00
smp.h Bluetooth: use inclusive language in SMP 2021-06-26 07:12:37 +02:00