Hi Marcel,
As far as I understand, it's not possible to post binary data to
kernel.org mailing lists, hence I just copied console output for both
cases into this message. I'll send you btmon logs in btsnoop format in
a separate message.
Best regards,
Konstantin
Without patch - "Command Reject"
===================================================
btmon -w
/tmp/20200129_L2CAP_COS_CFD_BV_12_C_no_patch.log
Bluetooth monitor ver 5.50
= Note: Linux version 4.20.0-ceedev-standard
(armv7l)
0.436856
= Note: Bluetooth subsystem version
2.22
0.436866
= New Index: 40:BD:32:8D:4E:6B
(Primary,UART,hci0)
[hci0] 0.436869
= Open Index:
40:BD:32:8D:4E:6B
[hci0] 0.436872
= Index Info: 40:BD:32:8D:4E:6B (Texas Instruments
Inc.)
[hci0] 0.436874
@ MGMT Open: bluetoothd (privileged) version
1.14
{0x0001} 0.436880
@ MGMT Open: btmon (privileged) version
1.14
{0x0002} 0.436933
< HCI Command: Create Connection (0x01|0x0005) plen
13 #1
[hci0] 50.845422
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Packet type: 0xcc18
DM1 may be used
DH1 may be used
DM3 may be used
DH3 may be used
DM5 may be used
DH5 may be used
Page scan repetition mode: R2 (0x02)
Page scan mode: Mandatory (0x00)
Clock offset: 0x0000
Role switch: Allow slave (0x01)
> HCI Event: Command Status (0x0f) plen
4
#2 [hci0] 50.852531
Create Connection (0x01|0x0005) ncmd 1
Status: Success (0x00)
> HCI Event: Connect Complete (0x03) plen
11
#3 [hci0] 51.635293
Status: Success (0x00)
Handle: 1
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Link type: ACL (0x01)
Encryption: Disabled (0x00)
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen
2 #4 [hci0]
51.635543
Handle: 1
> HCI Event: Command Status (0x0f) plen
4
#5 [hci0] 51.637357
Read Remote Supported Features (0x01|0x001b) ncmd 1
Status: Success (0x00)
> HCI Event: Max Slots Change (0x1b) plen
3
#6 [hci0] 51.645127
Handle: 1
Max slots: 5
> HCI Event: Read Remote Supported Features (0x0b) plen
11 #7
[hci0] 51.647540
Status: Success (0x00)
Handle: 1
Features: 0xff 0xff 0x8f 0x7e 0xd8 0x1f 0x5b 0x87
3 slot packets
5 slot packets
Encryption
Slot offset
Timing accuracy
Role switch
Hold mode
Sniff mode
Park state
Power control requests
Channel quality driven data rate (CQDDR)
SCO link
HV2 packets
HV3 packets
u-law log synchronous data
A-law log synchronous data
CVSD synchronous data
Paging parameter negotiation
Power control
Transparent synchronous data
Broadcast Encryption
Enhanced Data Rate ACL 2 Mbps mode
Enhanced Data Rate ACL 3 Mbps mode
Enhanced inquiry scan
Interlaced inquiry scan
Interlaced page scan
RSSI with inquiry results
AFH capable slave
AFH classification slave
LE Supported (Controller)
3-slot Enhanced Data Rate ACL packets
5-slot Enhanced Data Rate ACL packets
Sniff subrating
Pause encryption
AFH capable master
AFH classification master
Extended Inquiry Response
Simultaneous LE and BR/EDR (Controller)
Secure Simple Pairing
Encapsulated PDU
Non-flushable Packet Boundary Flag
Link Supervision Timeout Changed Event
Inquiry TX Power Level
Enhanced Power Control
Extended features
< HCI Command: Read Remote Extended Features (0x01|0x001c) plen
3 #8 [hci0]
51.647598
Handle: 1
Page: 1
> HCI Event: Command Status (0x0f) plen
4
#9 [hci0] 51.649877
Read Remote Extended Features (0x01|0x001c) ncmd 1
Status: Success (0x00)
> HCI Event: Read Remote Extended Features (0x23) plen
13 #10
[hci0] 51.651244
Status: Success (0x00)
Handle: 1
Page: 1/2
Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Secure Simple Pairing (Host Support)
< HCI Command: Remote Name Request (0x01|0x0019) plen
10 #11
[hci0] 51.651315
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Page scan repetition mode: R2 (0x02)
Page scan mode: Mandatory (0x00)
Clock offset: 0x0000
> HCI Event: Command Status (0x0f) plen
4
#12 [hci0] 51.651867
Remote Name Request (0x01|0x0019) ncmd 1
Status: Success (0x00)
> HCI Event: Remote Name Req Complete (0x07) plen
255 #1
3 [hci0] 51.664648
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Name: PTS-L2CAP-PCEE-NB025
@ MGMT Event: Device Connected (0x000b) plen
35 {0
x0002} [hci0] 51.664711
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Flags: 0x00000000
Data length: 22
Name (complete): PTS-L2CAP-PCEE-NB025
@ MGMT Event: Device Connected (0x000b) plen
35 {0
x0001} [hci0] 51.664711
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Flags: 0x00000000
Data length: 22
Name (complete): PTS-L2CAP-PCEE-NB025
< HCI Command: Authentication Requested (0x01|0x0011) plen
2 #14 [hci0]
51.664758
Handle: 1
> HCI Event: Command Status (0x0f) plen
4
#15 [hci0] 51.672084
Authentication Requested (0x01|0x0011) ncmd 1
Status: Success (0x00)
> HCI Event: Link Key Request (0x17) plen
6
#16 [hci0] 51.672097
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
< HCI Command: Link Key Request Negative Reply (0x01|0x000c) plen
6 #17 [hci0]
51.672184
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: Command Complete (0x0e) plen
10
#18 [hci0] 51.672554
Link Key Request Negative Reply (0x01|0x000c) ncmd 1
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: IO Capability Request (0x31) plen
6
#19 [hci0] 51.672594
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
< HCI Command: IO Capability Request Reply (0x01|0x002b) plen
9 #20 [hci0]
51.672621
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
IO capability: NoInputNoOutput (0x03)
OOB data: Authentication data not present (0x00)
Authentication: No Bonding - MITM not required (0x00)
> HCI Event: Command Complete (0x0e) plen
10
#21 [hci0] 51.672921
IO Capability Request Reply (0x01|0x002b) ncmd 1
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: IO Capability Response (0x32) plen
9
#22 [hci0] 51.688845
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
IO capability: DisplayYesNo (0x01)
OOB data: Authentication data not present (0x00)
Authentication: No Bonding - MITM not required (0x00)
> HCI Event: User Confirmation Request (0x33) plen
10 #23
[hci0] 51.945949
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Passkey: 835166
< HCI Command: User Confirmation Request Reply (0x01|0x002c) plen
6 #24 [hci0]
51.946028
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: Command Complete (0x0e) plen
10
#25 [hci0] 51.947784
User Confirmation Request Reply (0x01|0x002c) ncmd 1
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: Simple Pairing Complete (0x36) plen
7 #
26 [hci0] 52.127146
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: Link Key Notification (0x18) plen
23
#27 [hci0] 52.140183
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Link key: c1d789f769d3eebca69574169c42e6ed
Key type: Unauthenticated Combination key from P-192 (0x04)
@ MGMT Event: New Link Key (0x0009) plen
26
{0x0002} [hci0] 52.140251
Store hint: No (0x00)
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Key type: Unauthenticated Combination key from P-192 (0x04)
Link key: c1d789f769d3eebca69574169c42e6ed
PIN length: 0
@ MGMT Event: New Link Key (0x0009) plen
26
{0x0001} [hci0] 52.140251
Store hint: No (0x00)
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Key type: Unauthenticated Combination key from P-192 (0x04)
Link key: c1d789f769d3eebca69574169c42e6ed
PIN length: 0
> HCI Event: Auth Complete (0x06) plen
3
#28 [hci0] 52.140189
Status: Success (0x00)
Handle: 1
< HCI Command: Set Connection Encryption (0x01|0x0013) plen
3 #29 [hci0]
52.140303
Handle: 1
Encryption: Enabled (0x01)
> HCI Event: Command Status (0x0f) plen
4
#30 [hci0] 52.140554
Set Connection Encryption (0x01|0x0013) ncmd 1
Status: Success (0x00)
> HCI Event: Encryption Change (0x08) plen
4
#31 [hci0] 52.171352
Status: Success (0x00)
Handle: 1
Encryption: Enabled with E0 (0x01)
< HCI Command: Read Encryption Key Size (0x05|0x0008) plen
2 #32 [hci0]
52.171436
Handle: 1
> HCI Event: Command Complete (0x0e) plen
7
#33 [hci0] 52.171694
Read Encryption Key Size (0x05|0x0008) ncmd 1
Status: Success (0x00)
Handle: 1
Key size: 16
< ACL Data TX: Handle 1 flags 0x00 dlen
10
#34 [hci0] 52.171774
L2CAP: Information Request (0x0a) ident 1 len 2
Type: Extended features supported (0x0002)
> HCI Event: Number of Completed Packets (0x13) plen
5 #35
[hci0] 52.173741
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
16
#36 [hci0] 52.182522
L2CAP: Information Response (0x0b) ident 1 len 8
Type: Extended features supported (0x0002)
Result: Success (0x0000)
Features: 0x00000000
< ACL Data TX: Handle 1 flags 0x00 dlen
12
#37 [hci0] 52.182585
L2CAP: Connection Request (0x02) ident 2 len 4
PSM: 4113 (0x1011)
Source CID: 64
> HCI Event: Number of Completed Packets (0x13) plen
5 #38
[hci0] 52.185028
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
16
#39 [hci0] 52.717720
L2CAP: Connection Response (0x03) ident 2 len 8
Destination CID: 66
Source CID: 64
Result: Connection successful (0x0000)
Status: No further information available (0x0000)
< ACL Data TX: Handle 1 flags 0x00 dlen
12
#40 [hci0] 52.717793
L2CAP: Configure Request (0x04) ident 3 len 4
Destination CID: 66
Flags: 0x0000
> ACL Data RX: Handle 1 flags 0x02 dlen
16
#41 [hci0] 52.718812
L2CAP: Configure Request (0x04) ident 1 len 8
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01
00 ..
< ACL Data TX: Handle 1 flags 0x00 dlen
18
#42 [hci0] 52.718875
L2CAP: Configure Response (0x05) ident 1 len 10
Source CID: 66
Flags: 0x0000
Result: Success (0x0000)
Option: Maximum Transmission Unit (0x01) [mandatory]
MTU: 672
> HCI Event: Number of Completed Packets (0x13) plen
5 #43
[hci0] 52.721268
Num handles: 1
Handle: 1
Count: 2
> ACL Data RX: Handle 1 flags 0x02 dlen
14
#44 [hci0] 52.752564
L2CAP: Configure Response (0x05) ident 3 len 6
Source CID: 64
Flags: 0x0000
Result: Success (0x0000)
> ACL Data RX: Handle 1 flags 0x02 dlen
20
#45 [hci0] 52.778814
L2CAP: Configure Request (0x04) ident 1 len 12
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11
11 ......
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#46 [hci0] 52.778914
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen
5 #47
[hci0] 52.781300
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
24
#48 [hci0] 52.812581
L2CAP: Configure Request (0x04) ident 1 len 16
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22
22 ........""
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#49 [hci0] 52.812647
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen
5 #50
[hci0] 52.815069
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
28
#51 [hci0] 52.840018
L2CAP: Configure Request (0x04) ident 1 len 20
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33
33 ........""..33
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#52 [hci0] 52.840081
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen
5 #53
[hci0] 52.842551
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
32
#54 [hci0] 52.857601
L2CAP: Configure Request (0x04) ident 1 len 24
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44
44 DD
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#55 [hci0] 52.857687
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen
5 #56
[hci0] 52.860056
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
36
#57 [hci0] 52.882607
L2CAP: Configure Request (0x04) ident 1 len 28
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55
55 DD..UU
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#58 [hci0] 52.882687
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen
5 #59
[hci0] 52.885060
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
40
#60 [hci0] 52.900129
L2CAP: Configure Request (0x04) ident 1 len 32
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 96 02 66
66 DD..UU..ff
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#61 [hci0] 52.900214
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen
5 #62
[hci0] 52.902597
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
44
#63 [hci0] 52.946407
L2CAP: Configure Request (0x04) ident 1 len 36
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 96 02 66 66 97 02 77
77 DD..UU..ff..ww
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#64 [hci0] 52.946472
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
< ACL Data TX: Handle 1 flags 0x00 dlen
12
#65 [hci0] 52.946621
L2CAP: Connection Request (0x02) ident 4 len 4
PSM: 1 (0x0001)
Source CID: 65
> HCI Event: Number of Completed Packets (0x13) plen
5 #66
[hci0] 52.950091
Num handles: 1
Handle: 1
Count: 2
> ACL Data RX: Handle 1 flags 0x02 dlen
48
#67 [hci0] 52.977657
L2CAP: Configure Request (0x04) ident 1 len 40
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 96 02 66 66 97 02 77 77 98
02 DD..UU..ff..ww..
88
88 ..
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#68 [hci0] 52.977706
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen
5 #69
[hci0] 52.980047
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
52
#70 [hci0] 52.988929
L2CAP: Configure Request (0x04) ident 1 len 44
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 96 02 66 66 97 02 77 77 98
02 DD..UU..ff..ww..
88 88 99 02 99
99 ......
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#71 [hci0] 52.988997
L2CAP: Command Reject (0x01) ident 1 len 6
Reason: Invalid CID in request (0x0002)
Destination CID: 64
Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen
5 #72
[hci0] 52.991325
Num handles: 1
Handle: 1
Count: 1
< ACL Data TX: Handle 1 flags 0x00 dlen
12
#73 [hci0] 57.659214
L2CAP: Disconnection Request (0x06) ident 5 len 4
Destination CID: 66
Source CID: 64
> HCI Event: Number of Completed Packets (0x13) plen
5 #74
[hci0] 57.662835
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
12
#75 [hci0] 58.208064
L2CAP: Disconnection Response (0x07) ident 5 len 4
Destination CID: 66
Source CID: 64
< HCI Command: Disconnect (0x01|0x0006) plen
3
#76 [hci0] 75.855047
Handle: 1
Reason: Remote User Terminated Connection (0x13)
> HCI Event: Command Status (0x0f) plen
4
#77 [hci0] 75.855936
Disconnect (0x01|0x0006) ncmd 1
Status: Success (0x00)
> HCI Event: Disconnect Complete (0x05) plen
4
#78 [hci0] 75.860459
Status: Success (0x00)
Handle: 1
Reason: Connection Terminated By Local Host (0x16)
@ MGMT Event: Device Disconnected (0x000c) plen
8 {0x00
02} [hci0] 75.860501
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Reason: Connection terminated by local host (0x02)
@ MGMT Event: Device Disconnected (0x000c) plen
8 {0x00
01} [hci0] 75.860501
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Reason: Connection terminated by local host (0x02)
@ MGMT Command: Unpair Device (0x001b) plen
8 {
0x0001} [hci0] 75.860893
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Disconnect: Enabled (0x01)
@ MGMT Event: Command Complete (0x0001) plen
10 {0
x0001} [hci0] 75.946993
Unpair Device (0x001b) plen 7
Status: Not Paired (0x06)
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
With patch - "Config Response with error code 3"
===================================================
btmon -w /tmp/20200129_L2CAP_COS_CFD_BV_12_C_with_patch.log
Bluetooth monitor ver 5.50
= Note: Linux version 4.20.0-ceedev-standard
(armv7l)
0.821108
= Note: Bluetooth subsystem version
2.22
0.821123
= New Index: 40:BD:32:8D:4E:6B
(Primary,UART,hci0)
[hci0] 0.821127
= Open Index:
40:BD:32:8D:4E:6B
[hci0] 0.821129
= Index Info: 40:BD:32:8D:4E:6B (Texas Instruments
Inc.)
[hci0] 0.821132
@ MGMT Open: bluetoothd (privileged) version
1.14
{0x0001} 0.821136
@ MGMT Open: btmon (privileged) version
1.14
{0x0002} 0.821194
< HCI Command: Create Connection (0x01|0x0005) plen
13 #1
[hci0] 25.998428
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Packet type: 0xcc18
DM1 may be used
DH1 may be used
DM3 may be used
DH3 may be used
DM5 may be used
DH5 may be used
Page scan repetition mode: R2 (0x02)
Page scan mode: Mandatory (0x00)
Clock offset: 0x0000
Role switch: Allow slave (0x01)
> HCI Event: Command Status (0x0f) plen
4
#2 [hci0] 26.006970
Create Connection (0x01|0x0005) ncmd 1
Status: Success (0x00)
> HCI Event: Connect Complete (0x03) plen
11
#3 [hci0] 29.356531
Status: Success (0x00)
Handle: 1
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Link type: ACL (0x01)
Encryption: Disabled (0x00)
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen
2 #4 [hci0]
29.356814
Handle: 1
> HCI Event: Command Status (0x0f) plen
4
#5 [hci0] 29.358763
Read Remote Supported Features (0x01|0x001b) ncmd 1
Status: Success (0x00)
> HCI Event: Max Slots Change (0x1b) plen
3
#6 [hci0] 29.366300
Handle: 1
Max slots: 5
> HCI Event: Read Remote Supported Features (0x0b) plen
11 #7
[hci0] 29.368754
Status: Success (0x00)
Handle: 1
Features: 0xff 0xff 0x8f 0x7e 0xd8 0x1f 0x5b 0x87
3 slot packets
5 slot packets
Encryption
Slot offset
Timing accuracy
Role switch
Hold mode
Sniff mode
Park state
Power control requests
Channel quality driven data rate (CQDDR)
SCO link
HV2 packets
HV3 packets
u-law log synchronous data
A-law log synchronous data
CVSD synchronous data
Paging parameter negotiation
Power control
Transparent synchronous data
Broadcast Encryption
Enhanced Data Rate ACL 2 Mbps mode
Enhanced Data Rate ACL 3 Mbps mode
Enhanced inquiry scan
Interlaced inquiry scan
Interlaced page scan
RSSI with inquiry results
AFH capable slave
AFH classification slave
LE Supported (Controller)
3-slot Enhanced Data Rate ACL packets
5-slot Enhanced Data Rate ACL packets
Sniff subrating
Pause encryption
AFH capable master
AFH classification master
Extended Inquiry Response
Simultaneous LE and BR/EDR (Controller)
Secure Simple Pairing
Encapsulated PDU
Non-flushable Packet Boundary Flag
Link Supervision Timeout Changed Event
Inquiry TX Power Level
Enhanced Power Control
Extended features
< HCI Command: Read Remote Extended Features (0x01|0x001c) plen
3 #8 [hci0]
29.368818
Handle: 1
Page: 1
> HCI Event: Command Status (0x0f) plen
4
#9 [hci0] 29.369115
Read Remote Extended Features (0x01|0x001c) ncmd 1
Status: Success (0x00)
> HCI Event: Read Remote Extended Features (0x23) plen
13 #10
[hci0] 29.372444
Status: Success (0x00)
Handle: 1
Page: 1/2
Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Secure Simple Pairing (Host Support)
< HCI Command: Remote Name Request (0x01|0x0019) plen
10 #11
[hci0] 29.372512
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Page scan repetition mode: R2 (0x02)
Page scan mode: Mandatory (0x00)
Clock offset: 0x0000
> HCI Event: Command Status (0x0f) plen
4
#12 [hci0] 29.372748
Remote Name Request (0x01|0x0019) ncmd 1
Status: Success (0x00)
> HCI Event: Remote Name Req Complete (0x07) plen
255 #1
3 [hci0] 29.385847
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Name: PTS-L2CAP-PCEE-NB025
@ MGMT Event: Device Connected (0x000b) plen
35 {0
x0002} [hci0] 29.385907
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Flags: 0x00000000
Data length: 22
Name (complete): PTS-L2CAP-PCEE-NB025
@ MGMT Event: Device Connected (0x000b) plen
35 {0
x0001} [hci0] 29.385907
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Flags: 0x00000000
Data length: 22
Name (complete): PTS-L2CAP-PCEE-NB025
< HCI Command: Authentication Requested (0x01|0x0011) plen
2 #14 [hci0]
29.385968
Handle: 1
> HCI Event: Command Status (0x0f) plen
4
#15 [hci0] 29.388610
Authentication Requested (0x01|0x0011) ncmd 1
Status: Success (0x00)
> HCI Event: Link Key Request (0x17) plen
6
#16 [hci0] 29.388679
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
< HCI Command: Link Key Request Negative Reply (0x01|0x000c) plen
6 #17 [hci0]
29.388725
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: Command Complete (0x0e) plen
10
#18 [hci0] 29.389125
Link Key Request Negative Reply (0x01|0x000c) ncmd 1
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: IO Capability Request (0x31) plen
6
#19 [hci0] 29.389165
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
< HCI Command: IO Capability Request Reply (0x01|0x002b) plen
9 #20 [hci0]
29.389243
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
IO capability: NoInputNoOutput (0x03)
OOB data: Authentication data not present (0x00)
Authentication: No Bonding - MITM not required (0x00)
> HCI Event: Command Complete (0x0e) plen
10
#21 [hci0] 29.389622
IO Capability Request Reply (0x01|0x002b) ncmd 1
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: IO Capability Response (0x32) plen
9
#22 [hci0] 29.412611
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
IO capability: DisplayYesNo (0x01)
OOB data: Authentication data not present (0x00)
Authentication: No Bonding - MITM not required (0x00)
> HCI Event: User Confirmation Request (0x33) plen
10 #23
[hci0] 29.669675
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Passkey: 592401
< HCI Command: User Confirmation Request Reply (0x01|0x002c) plen
6 #24 [hci0]
29.669757
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: Command Complete (0x0e) plen
10
#25 [hci0] 29.671694
User Confirmation Request Reply (0x01|0x002c) ncmd 1
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: Simple Pairing Complete (0x36) plen
7 #
26 [hci0] 29.863395
Status: Success (0x00)
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
> HCI Event: Link Key Notification (0x18) plen
23
#27 [hci0] 29.873884
Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Link key: 9a58028a445c7aca0beaadcb009b2bb9
Key type: Unauthenticated Combination key from P-192 (0x04)
@ MGMT Event: New Link Key (0x0009) plen
26
{0x0002} [hci0] 29.873931
Store hint: No (0x00)
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Key type: Unauthenticated Combination key from P-192 (0x04)
Link key: 9a58028a445c7aca0beaadcb009b2bb9
PIN length: 0
@ MGMT Event: New Link Key (0x0009) plen
26
{0x0001} [hci0] 29.873931
Store hint: No (0x00)
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Key type: Unauthenticated Combination key from P-192 (0x04)
Link key: 9a58028a445c7aca0beaadcb009b2bb9
PIN length: 0
> HCI Event: Auth Complete (0x06) plen
3
#28 [hci0] 29.873891
Status: Success (0x00)
Handle: 1
< HCI Command: Set Connection Encryption (0x01|0x0013) plen
3 #29 [hci0]
29.873986
Handle: 1
Encryption: Enabled (0x01)
> HCI Event: Command Status (0x0f) plen
4
#30 [hci0] 29.874229
Set Connection Encryption (0x01|0x0013) ncmd 1
Status: Success (0x00)
> HCI Event: Encryption Change (0x08) plen
4
#31 [hci0] 29.905061
Status: Success (0x00)
Handle: 1
Encryption: Enabled with E0 (0x01)
< HCI Command: Read Encryption Key Size (0x05|0x0008) plen
2 #32 [hci0]
29.905144
Handle: 1
> HCI Event: Command Complete (0x0e) plen
7
#33 [hci0] 29.905436
Read Encryption Key Size (0x05|0x0008) ncmd 1
Status: Success (0x00)
Handle: 1
Key size: 16
< ACL Data TX: Handle 1 flags 0x00 dlen
10
#34 [hci0] 29.905510
L2CAP: Information Request (0x0a) ident 1 len 2
Type: Extended features supported (0x0002)
> HCI Event: Number of Completed Packets (0x13) plen
5 #35
[hci0] 29.908729
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
16
#36 [hci0] 29.923713
L2CAP: Information Response (0x0b) ident 1 len 8
Type: Extended features supported (0x0002)
Result: Success (0x0000)
Features: 0x00000000
< ACL Data TX: Handle 1 flags 0x00 dlen
12
#37 [hci0] 29.923782
L2CAP: Connection Request (0x02) ident 2 len 4
PSM: 4113 (0x1011)
Source CID: 64
> HCI Event: Number of Completed Packets (0x13) plen
5 #38
[hci0] 29.926242
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
16
#39 [hci0] 30.462642
L2CAP: Connection Response (0x03) ident 2 len 8
Destination CID: 66
Source CID: 64
Result: Connection successful (0x0000)
Status: No further information available (0x0000)
< ACL Data TX: Handle 1 flags 0x00 dlen
12
#40 [hci0] 30.462719
L2CAP: Configure Request (0x04) ident 3 len 4
Destination CID: 66
Flags: 0x0000
> HCI Event: Number of Completed Packets (0x13) plen
5 #41
[hci0] 30.466252
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
16
#42 [hci0] 30.475008
L2CAP: Configure Request (0x04) ident 1 len 8
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 ..
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#43 [hci0] 30.475090
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #44
[hci0] 30.477534
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
14
#45 [hci0] 30.508764
L2CAP: Configure Response (0x05) ident 3 len 6
Source CID: 64
Flags: 0x0000
Result: Success (0x0000)
> ACL Data RX: Handle 1 flags 0x02 dlen
20
#46 [hci0] 30.527515
L2CAP: Configure Request (0x04) ident 1 len 12
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 ......
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#47 [hci0] 30.527604
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #48
[hci0] 30.530033
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
24
#49 [hci0] 30.561269
L2CAP: Configure Request (0x04) ident 1 len 16
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 ........""
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#50 [hci0] 30.561335
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #51
[hci0] 30.563771
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
28
#52 [hci0] 30.578791
L2CAP: Configure Request (0x04) ident 1 len 20
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 ........""..33
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#53 [hci0] 30.578847
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #54
[hci0] 30.581277
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
32
#55 [hci0] 30.612601
L2CAP: Configure Request (0x04) ident 1 len 24
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 DD
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#56 [hci0] 30.612655
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #57
[hci0] 30.615027
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
36
#58 [hci0] 30.646336
L2CAP: Configure Request (0x04) ident 1 len 28
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 DD..UU
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#59 [hci0] 30.646385
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #60
[hci0] 30.648864
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
40
#61 [hci0] 30.671348
L2CAP: Configure Request (0x04) ident 1 len 32
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 96 02 66 66 DD..UU..ff
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#62 [hci0] 30.671394
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #63
[hci0] 30.673798
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
44
#64 [hci0] 30.706355
L2CAP: Configure Request (0x04) ident 1 len 36
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 96 02 66 66 97 02 77 77 DD..UU..ff..ww
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#65 [hci0] 30.706402
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #66
[hci0] 30.708775
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
48
#67 [hci0] 30.740112
L2CAP: Configure Request (0x04) ident 1 len 40
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 96 02 66 66 97 02 77 77 98
02 DD..UU..ff..ww..
88 88 ..
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#68 [hci0] 30.740159
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #69
[hci0] 30.742523
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
52
#70 [hci0] 30.765143
L2CAP: Configure Request (0x04) ident 1 len 44
Destination CID: 64
Flags: 0x0000
Option: Unknown (0x10) [hint]
01 00 91 02 11 11 92 02 22 22 93 02 33 33 94
02 ........""..33..
44 44 95 02 55 55 96 02 66 66 97 02 77 77 98
02 DD..UU..ff..ww..
88 88 99 02 99 99 ......
< ACL Data TX: Handle 1 flags 0x00 dlen
14
#71 [hci0] 30.765204
L2CAP: Configure Response (0x05) ident 1 len 6
Source CID: 66
Flags: 0x0000
Result: Failure - unknown options (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen
5 #72
[hci0] 30.767538
Num handles: 1
Handle: 1
Count: 1
< ACL Data TX: Handle 1 flags 0x00 dlen
12
#73 [hci0] 35.999402
L2CAP: Disconnection Request (0x06) ident 4 len 4
Destination CID: 66
Source CID: 64
> HCI Event: Number of Completed Packets (0x13) plen
5 #74
[hci0] 36.002783
Num handles: 1
Handle: 1
Count: 1
> ACL Data RX: Handle 1 flags 0x02 dlen
12
#75 [hci0] 36.564217
L2CAP: Disconnection Response (0x07) ident 4 len 4
Destination CID: 66
Source CID: 64
< HCI Command: Disconnect (0x01|0x0006) plen
3
#76 [hci0] 38.604323
Handle: 1
Reason: Remote User Terminated Connection (0x13)
> HCI Event: Command Status (0x0f) plen
4
#77 [hci0] 38.604814
Disconnect (0x01|0x0006) ncmd 1
Status: Success (0x00)
> HCI Event: Disconnect Complete (0x05) plen
4
#78 [hci0] 38.609533
Status: Success (0x00)
Handle: 1
Reason: Connection Terminated By Local Host (0x16)
@ MGMT Event: Device Disconnected (0x000c) plen
8 {0x00
02} [hci0] 38.609576
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Reason: Connection terminated by local host (0x02)
@ MGMT Event: Device Disconnected (0x000c) plen
8 {0x00
01} [hci0] 38.609576
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Reason: Connection terminated by local host (0x02)
@ MGMT Command: Unpair Device (0x001b) plen
8 {
0x0001} [hci0] 38.609885
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
Disconnect: Enabled (0x01)
@ MGMT Event: Command Complete (0x0001) plen
10 {0
x0001} [hci0] 38.704517
Unpair Device (0x001b) plen 7
Status: Not Paired (0x06)
BR/EDR Address: 00:1B:DC:08:E7:0C (Vencer Co., Ltd.)
On Wed, 2020-01-29 at 10:01 +0100, Marcel Holtmann wrote:
> Hi Konstantin,
>
> > Unfortunately, I don't have a possibility to test 5.5 kernel. As
> > far as
> > I can see, the most recent version available to the public via
> > git.kernel.org is 5.3-rc3 and the problematic part in
> > /net/bluetooth/l2cap_core.c file is the same for 4.20 and 5.3-rc3.
> > Hence I suppose it will behave the same way as 4.20.
>
> can you include the btmon trace for the PTS test case so that I see
> what PTS sends and what we are responding.
>
> Regards
>
> Marcel
>
>
>
>
>
