| Message ID | 20240408121425.29392-1-n.zhandarovich@fintech.ru |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v2] wifi: ar5523: enable proper endpoint verification | expand |
Nikita Zhandarovich <n.zhandarovich@fintech.ru> wrote: > Syzkaller reports [1] hitting a warning about an endpoint in use > not having an expected type to it. > > Fix the issue by checking for the existence of all proper > endpoints with their according types intact. > > Sadly, this patch has not been tested on real hardware. > > [1] Syzkaller report: > ------------[ cut here ]------------ > usb 1-1: BOGUS urb xfer, pipe 3 != type 1 > WARNING: CPU: 0 PID: 3643 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 > ... > Call Trace: > <TASK> > ar5523_cmd+0x41b/0x780 drivers/net/wireless/ath/ar5523/ar5523.c:275 > ar5523_cmd_read drivers/net/wireless/ath/ar5523/ar5523.c:302 [inline] > ar5523_host_available drivers/net/wireless/ath/ar5523/ar5523.c:1376 [inline] > ar5523_probe+0x14b0/0x1d10 drivers/net/wireless/ath/ar5523/ar5523.c:1655 > usb_probe_interface+0x30f/0x7f0 drivers/usb/core/driver.c:396 > call_driver_probe drivers/base/dd.c:560 [inline] > really_probe+0x249/0xb90 drivers/base/dd.c:639 > __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 > driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 > __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936 > bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427 > __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 > bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487 > device_add+0xbd9/0x1e90 drivers/base/core.c:3517 > usb_set_configuration+0x101d/0x1900 drivers/usb/core/message.c:2170 > usb_generic_driver_probe+0xbe/0x100 drivers/usb/core/generic.c:238 > usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293 > call_driver_probe drivers/base/dd.c:560 [inline] > really_probe+0x249/0xb90 drivers/base/dd.c:639 > __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 > driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 > __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936 > bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427 > __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 > bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487 > device_add+0xbd9/0x1e90 drivers/base/core.c:3517 > usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573 > hub_port_connect drivers/usb/core/hub.c:5353 [inline] > hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] > port_event drivers/usb/core/hub.c:5653 [inline] > hub_event+0x26cb/0x45d0 drivers/usb/core/hub.c:5735 > process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 > worker_thread+0x669/0x1090 kernel/workqueue.c:2436 > kthread+0x2e8/0x3a0 kernel/kthread.c:376 > ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 > </TASK> > > Reported-and-tested-by: syzbot+1bc2c2afd44f820a669f@syzkaller.appspotmail.com > Fixes: b7d572e1871d ("ar5523: Add new driver") > Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru> Does anyone have a real device to test this? I have had so much problems with syzbot fixes in the past that I'm hesitant to take such patches without testing.
Kalle Valo <kvalo@kernel.org> writes: > Nikita Zhandarovich <n.zhandarovich@fintech.ru> wrote: > >> Syzkaller reports [1] hitting a warning about an endpoint in use >> not having an expected type to it. >> >> Fix the issue by checking for the existence of all proper >> endpoints with their according types intact. >> >> Sadly, this patch has not been tested on real hardware. >> >> [1] Syzkaller report: >> ------------[ cut here ]------------ >> usb 1-1: BOGUS urb xfer, pipe 3 != type 1 >> WARNING: CPU: 0 PID: 3643 at drivers/usb/core/urb.c:504 >> usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 >> ... >> Call Trace: >> <TASK> >> ar5523_cmd+0x41b/0x780 drivers/net/wireless/ath/ar5523/ar5523.c:275 >> ar5523_cmd_read drivers/net/wireless/ath/ar5523/ar5523.c:302 [inline] >> ar5523_host_available drivers/net/wireless/ath/ar5523/ar5523.c:1376 [inline] >> ar5523_probe+0x14b0/0x1d10 drivers/net/wireless/ath/ar5523/ar5523.c:1655 >> usb_probe_interface+0x30f/0x7f0 drivers/usb/core/driver.c:396 >> call_driver_probe drivers/base/dd.c:560 [inline] >> really_probe+0x249/0xb90 drivers/base/dd.c:639 >> __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 >> driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 >> __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936 >> bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427 >> __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 >> bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487 >> device_add+0xbd9/0x1e90 drivers/base/core.c:3517 >> usb_set_configuration+0x101d/0x1900 drivers/usb/core/message.c:2170 >> usb_generic_driver_probe+0xbe/0x100 drivers/usb/core/generic.c:238 >> usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293 >> call_driver_probe drivers/base/dd.c:560 [inline] >> really_probe+0x249/0xb90 drivers/base/dd.c:639 >> __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 >> driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 >> __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936 >> bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427 >> __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 >> bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487 >> device_add+0xbd9/0x1e90 drivers/base/core.c:3517 >> usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573 >> hub_port_connect drivers/usb/core/hub.c:5353 [inline] >> hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] >> port_event drivers/usb/core/hub.c:5653 [inline] >> hub_event+0x26cb/0x45d0 drivers/usb/core/hub.c:5735 >> process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 >> worker_thread+0x669/0x1090 kernel/workqueue.c:2436 >> kthread+0x2e8/0x3a0 kernel/kthread.c:376 >> ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 >> </TASK> >> >> Reported-and-tested-by: syzbot+1bc2c2afd44f820a669f@syzkaller.appspotmail.com >> Fixes: b7d572e1871d ("ar5523: Add new driver") >> Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru> > > Does anyone have a real device to test this? I have had so much problems with > syzbot fixes in the past that I'm hesitant to take such patches without > testing. Actually should we just remove ar5523 driver? Has anyone heard anyone using this driver still?
Hi On 2024-04-28, Stefan Lippers-Hollmann wrote: > On 2024-04-25, Kalle Valo wrote: > > Kalle Valo <kvalo@kernel.org> writes: > > > Nikita Zhandarovich <n.zhandarovich@fintech.ru> wrote: > [...] > > > Does anyone have a real device to test this? I have had so much problems with > > > syzbot fixes in the past that I'm hesitant to take such patches without > > > testing. > > > > Actually should we just remove ar5523 driver? Has anyone heard anyone > > using this driver still? > > While I'm not using it regularly, the driver does still work in plain > v6.8.8 (and these Netgear WG111 and WG111T USB WLAN cards were quite > common), tested against a qcn5024 AP. > > I'm just preparing a new kernel build with the proposed patch applied. …and now the same with this patch applied: $ uname -r 6.9.0-rc5-gcc1380dd1882-dirty wireless-next-2024-04-24-2112-gcc1380dd1882 with https://patchwork.kernel.org/project/linux-wireless/patch/20240408121425.29392-1-n.zhandarovich@fintech.ru/raw/ applied [ 22.303440] usb 1-5: new high-speed USB device number 5 using xhci_hcd [ 22.431672] usb 1-5: New USB device found, idVendor=1385, idProduct=4251, bcdDevice= 0.01 [ 22.431678] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 22.431680] usb 1-5: Product: WG111T [ 22.431681] usb 1-5: Manufacturer: Atheros Communications Inc [ 22.431682] usb 1-5: SerialNumber: 1.0 [ 22.537560] usbcore: registered new interface driver ar5523 [ 22.686170] usb 1-5: USB disconnect, device number 5 [ 22.935409] usb 1-5: new high-speed USB device number 6 using xhci_hcd [ 23.062746] usb 1-5: New USB device found, idVendor=1385, idProduct=4250, bcdDevice= 0.01 [ 23.062762] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 23.062767] usb 1-5: Product: WG111T [ 23.062771] usb 1-5: Manufacturer: Atheros Communications Inc [ 23.062775] usb 1-5: SerialNumber: 1.0 [ 23.110548] usb 1-5: Cap: CAP_TARGET_VERSION=0x00000006 [ 23.110837] usb 1-5: Cap: CAP_TARGET_REVISION=0x00000001 [ 23.111146] usb 1-5: Cap: CAP_MAC_VERSION=0x00000008 [ 23.111448] usb 1-5: Cap: CAP_MAC_REVISION=0x00000001 [ 23.111739] usb 1-5: Cap: CAP_PHY_REVISION=0x00000046 [ 23.112001] usb 1-5: Cap: CAP_ANALOG_5GHz_REVISION=0x00000046 [ 23.112235] usb 1-5: Cap: CAP_ANALOG_2GHz_REVISION=0x00000000 [ 23.112566] usb 1-5: Cap: CAP_REG_DOMAIN=0x00000000 [ 23.112809] usb 1-5: Cap: CAP_REG_CAP_BITS=0x00000000 [ 23.113120] usb 1-5: Cap: CAP_WIRELESS_MODES=0x00000000 [ 23.113391] usb 1-5: Cap: CAP_CHAN_SPREAD_SUPPORT=0x0000001c [ 23.113663] usb 1-5: Cap: CAP_COMPRESS_SUPPORT=0x00000001 [ 23.113912] usb 1-5: Cap: CAP_BURST_SUPPORT=0x00000001 [ 23.114209] usb 1-5: Cap: CAP_FAST_FRAMES_SUPPORT=0x00000001 [ 23.114480] usb 1-5: Cap: CAP_CHAP_TUNING_SUPPORT=0x00000001 [ 23.114739] usb 1-5: Cap: CAP_TURBOG_SUPPORT=0x00000001 [ 23.114987] usb 1-5: Cap: CAP_TURBO_PRIME_SUPPORT=0x00000001 [ 23.115231] usb 1-5: Cap: CAP_DEVICE_TYPE=0x00000001 [ 23.115538] usb 1-5: Cap: CAP_WME_SUPPORT=0x00000001 [ 23.115804] usb 1-5: Cap: CAP_TOTAL_QUEUES=0x00000001 [ 23.116081] usb 1-5: Cap: CAP_CONNECTION_ID_MAX=0x0000000a [ 23.116362] usb 1-5: Cap: CAP_LOW_5GHZ_CHAN=0x00000004 [ 23.116614] usb 1-5: Cap: CAP_HIGH_5GHZ_CHAN=0x00001338 [ 23.116889] usb 1-5: Cap: CAP_LOW_2GHZ_CHAN=0x000017d4 [ 23.117123] usb 1-5: Cap: CAP_HIGH_2GHZ_CHAN=0x00000908 [ 23.117387] usb 1-5: Cap: CAP_TWICE_ANTENNAGAIN_5G=0x00000001 [ 23.117656] usb 1-5: Cap: CAP_TWICE_ANTENNAGAIN_2G=0x00000004 [ 23.117906] usb 1-5: Cap: CAP_CIPHER_AES_CCM=0x00000001 [ 23.118165] usb 1-5: Cap: CAP_CIPHER_TKIP=0x00000000 [ 23.118429] usb 1-5: Cap: CAP_MIC_TKIP=0x00000000 [ 23.118972] usb 1-5: MAC/BBP AR5523, RF AR2112 [ 23.119638] usb 1-5: Found and initialized AR5523 device [ 23.127613] ar5523 1-5:1.0 wlx<MAC>: renamed from wlan0 [ 79.014957] wlx<MAC>: authenticate with 9X:XX:XX:XX:XX:01 (local address=0X:XX:XX:XX:XX:65) [ 79.014962] wlx<MAC>: send auth to 9X:XX:XX:XX:XX:01 (try 1/3) [ 79.047622] wlx<MAC>: authenticate with 9X:XX:XX:XX:XX:01 (local address=0X:XX:XX:XX:XX:65) [ 79.047635] wlx<MAC>: send auth to 9X:XX:XX:XX:XX:01 (try 1/3) [ 79.050750] wlx<MAC>: authenticated [ 79.051329] wlx<MAC>: associate with 9X:XX:XX:XX:XX:01 (try 1/3) [ 79.066715] wlx<MAC>: RX AssocResp from 9X:XX:XX:XX:XX:01 (capab=0x1431 status=0 aid=1) [ 79.067462] wlx<MAC>: associated [ 79.108615] wlx<MAC>: deauthenticating from 9X:XX:XX:XX:XX:01 by local choice (Reason: 1=UNSPECIFIED) [ 79.459937] wlx<MAC>: authenticate with 9X:XX:XX:XX:XX:53 (local address=0X:XX:XX:XX:XX:65) [ 79.459941] wlx<MAC>: send auth to 9X:XX:XX:XX:XX:53 (try 1/3) [ 81.468858] wlx<MAC>: send auth to 9X:XX:XX:XX:XX:53 (try 2/3) [ 81.494179] wlx<MAC>: authenticate with 9X:XX:XX:XX:XX:53 (local address=0X:XX:XX:XX:XX:65) [ 81.494191] wlx<MAC>: send auth to 9X:XX:XX:XX:XX:53 (try 1/3) [ 81.497337] wlx<MAC>: authenticated [ 81.499344] wlx<MAC>: associate with 9X:XX:XX:XX:XX:53 (try 1/3) [ 81.505833] wlx<MAC>: RX AssocResp from 9X:XX:XX:XX:XX:53 (capab=0x1031 status=0 aid=1) [ 81.506372] wlx<MAC>: associated [ 81.543659] wlx<MAC>: deauthenticating from 9X:XX:XX:XX:XX:53 by local choice (Reason: 1=UNSPECIFIED) [ 81.773371] wlx<MAC>: authenticate with 9X:XX:XX:XX:XX:b1 (local address=0X:XX:XX:XX:XX:65) [ 81.773376] wlx<MAC>: send auth to 9X:XX:XX:XX:XX:b1 (try 1/3) [ 81.852279] wlx<MAC>: authenticate with 9X:XX:XX:XX:XX:b1 (local address=0X:XX:XX:XX:XX:65) [ 81.852302] wlx<MAC>: send auth to 9X:XX:XX:XX:XX:b1 (try 1/3) [ 81.855407] wlx<MAC>: authenticated [ 81.857339] wlx<MAC>: associate with 9X:XX:XX:XX:XX:b1 (try 1/3) [ 81.869094] wlx<MAC>: RX AssocResp from 9X:XX:XX:XX:XX:b1 (capab=0x1431 status=0 aid=1) [ 81.869614] wlx<MAC>: associated [ 81.910697] wlx<MAC>: deauthenticating from 9X:XX:XX:XX:XX:b1 by local choice (Reason: 1=UNSPECIFIED) [ 83.209701] wlx<MAC>: authenticate with 9X:XX:XX:XX:XX:b1 (local address=0X:XX:XX:XX:XX:65) [ 83.209711] wlx<MAC>: send auth to 9X:XX:XX:XX:XX:b1 (try 1/3) [ 83.232421] wlx<MAC>: authenticated [ 83.233337] wlx<MAC>: associate with 9X:XX:XX:XX:XX:b1 (try 1/3) [ 83.240188] wlx<MAC>: RX AssocResp from 9X:XX:XX:XX:XX:b1 (capab=0x1431 status=0 aid=1) [ 83.240731] wlx<MAC>: associated [ 83.254365] wlx<MAC>: Limiting TX power to 20 (20 - 0) dBm as advertised by 9X:XX:XX:XX:XX:b1 [ 83.275542] wlx<MAC>: deauthenticating from 9X:XX:XX:XX:XX:b1 by local choice (Reason: 1=UNSPECIFIED) [ 84.540669] wlx<MAC>: authenticate with 9X:XX:XX:XX:XX53 (local address=0X:XX:XX:XX:XX:65) [ 84.540680] wlx<MAC>: send auth to 9X:XX:XX:XX:XX53 (try 1/3) [ 84.616128] wlx<MAC>: authenticated [ 84.617421] wlx<MAC>: associate with 9X:XX:XX:XX:XX53 (try 1/3) [ 84.622756] wlx<MAC>: RX AssocResp from 9X:XX:XX:XX:XX53 (capab=0x1031 status=0 aid=6) [ 84.623413] wlx<MAC>: associated [ 84.671424] wlx<MAC>: Limiting TX power to 20 (20 - 0) dBm as advertised by 9X:XX:XX:XX:XX53 # wpa_cli -i wlx<MAC> status bssid=9X:XX:XX:XX:XX53 freq=2437 ssid=XXX id=2 id_str=XXX mode=station pairwise_cipher=CCMP group_cipher=CCMP key_mgmt=WPA2-PSK wpa_state=COMPLETED address=0X:XX:XX:XX:XX:65 uuid=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX $ iperf3 -c sawfly Connecting to host sawfly, port 5201 [ 5] local 2aXX:XXX:XXXX:XXXX:XXXX:XXXX:XXX:XX65 port 39288 connected to 2aXX:XXX:XXXX:XXXX:XXXX:XXXX:XXX:XX01 port 5201 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-1.00 sec 128 KBytes 1.05 Mbits/sec 2 1.39 KBytes [ 5] 1.00-2.00 sec 0.00 Bytes 0.00 bits/sec 8 1.39 KBytes [ 5] 2.00-3.00 sec 128 KBytes 1.05 Mbits/sec 1 11.2 KBytes [ 5] 3.00-4.00 sec 0.00 Bytes 0.00 bits/sec 0 13.9 KBytes [ 5] 4.00-5.00 sec 0.00 Bytes 0.00 bits/sec 0 15.3 KBytes [ 5] 5.00-6.00 sec 0.00 Bytes 0.00 bits/sec 0 22.3 KBytes [ 5] 6.00-7.00 sec 0.00 Bytes 0.00 bits/sec 0 29.3 KBytes [ 5] 7.00-8.00 sec 128 KBytes 1.05 Mbits/sec 0 34.9 KBytes [ 5] 8.00-9.00 sec 0.00 Bytes 0.00 bits/sec 0 34.9 KBytes [ 5] 9.00-10.00 sec 0.00 Bytes 0.00 bits/sec 0 16.7 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 384 KBytes 315 Kbits/sec 11 sender [ 5] 0.00-10.00 sec 128 KBytes 105 Kbits/sec receiver iperf Done. $ iperf3 -c sawfly --reverse Connecting to host sawfly, port 5201 Reverse mode, remote host sawfly is sending [ 5] local 2aXX:XXX:XXXX:XXXX:XXXX:XXXX:XXX:XX65 port 54102 connected to 2aXX:XXX:XXXX:XXXX:XXXX:XXXX:XXX:XX01 port 5201 [ ID] Interval Transfer Bitrate [ 5] 0.00-1.00 sec 640 KBytes 5.24 Mbits/sec [ 5] 1.00-2.00 sec 768 KBytes 6.29 Mbits/sec [ 5] 2.00-3.00 sec 1.00 MBytes 8.39 Mbits/sec [ 5] 3.00-4.00 sec 896 KBytes 7.34 Mbits/sec [ 5] 4.00-5.00 sec 1.00 MBytes 8.39 Mbits/sec [ 5] 5.00-6.00 sec 1.12 MBytes 9.44 Mbits/sec [ 5] 6.00-7.00 sec 1.25 MBytes 10.5 Mbits/sec [ 5] 7.00-8.00 sec 896 KBytes 7.34 Mbits/sec [ 5] 8.00-9.00 sec 1.00 MBytes 8.38 Mbits/sec [ 5] 9.00-10.00 sec 1.12 MBytes 9.44 Mbits/sec - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.21 sec 11.8 MBytes 9.66 Mbits/sec 0 sender [ 5] 0.00-10.00 sec 9.62 MBytes 8.07 Mbits/sec receiver iperf Done. $ iperf3 -c sawfly --bidir Connecting to host sawfly, port 5201 [ 5] local 2aXX:XXX:XXXX:XXXX:XXXX:XXXX:XXX:XX65 port 38694 connected to 2aXX:XXX:XXXX:XXXX:XXXX:XXXX:XXX:XX01 port 5201 [ 7] local 2aXX:XXX:XXXX:XXXX:XXXX:XXXX:XXX:XX65 port 38704 connected to 2aXX:XXX:XXXX:XXXX:XXXX:XXXX:XXX:XX01 port 5201 [ ID][Role] Interval Transfer Bitrate Retr Cwnd [ 5][TX-C] 0.00-1.00 sec 0.00 Bytes 0.00 bits/sec 5 2.79 KBytes [ 7][RX-C] 0.00-1.00 sec 0.00 Bytes 0.00 bits/sec [ 5][TX-C] 1.00-2.00 sec 0.00 Bytes 0.00 bits/sec 4 2.79 KBytes [ 7][RX-C] 1.00-2.00 sec 512 KBytes 4.20 Mbits/sec [ 5][TX-C] 2.00-3.00 sec 0.00 Bytes 0.00 bits/sec 5 1.39 KBytes [ 7][RX-C] 2.00-3.00 sec 640 KBytes 5.24 Mbits/sec [ 5][TX-C] 3.00-4.00 sec 128 KBytes 1.05 Mbits/sec 3 1.39 KBytes [ 7][RX-C] 3.00-4.00 sec 1.12 MBytes 9.44 Mbits/sec [ 5][TX-C] 4.00-5.00 sec 0.00 Bytes 0.00 bits/sec 2 4.18 KBytes [ 7][RX-C] 4.00-5.00 sec 1.00 MBytes 8.39 Mbits/sec [ 5][TX-C] 5.00-6.00 sec 0.00 Bytes 0.00 bits/sec 4 1.39 KBytes [ 7][RX-C] 5.00-6.00 sec 1.25 MBytes 10.5 Mbits/sec [ 5][TX-C] 6.00-7.00 sec 0.00 Bytes 0.00 bits/sec 2 2.79 KBytes [ 7][RX-C] 6.00-7.00 sec 768 KBytes 6.29 Mbits/sec [ 5][TX-C] 7.00-8.00 sec 0.00 Bytes 0.00 bits/sec 2 2.79 KBytes [ 7][RX-C] 7.00-8.00 sec 1.25 MBytes 10.5 Mbits/sec [ 5][TX-C] 8.00-9.00 sec 0.00 Bytes 0.00 bits/sec 2 1.39 KBytes [ 7][RX-C] 8.00-9.00 sec 1.25 MBytes 10.5 Mbits/sec [ 5][TX-C] 9.00-10.00 sec 0.00 Bytes 0.00 bits/sec 1 2.79 KBytes [ 7][RX-C] 9.00-10.00 sec 1.50 MBytes 12.6 Mbits/sec - - - - - - - - - - - - - - - - - - - - - - - - - [ ID][Role] Interval Transfer Bitrate Retr [ 5][TX-C] 0.00-10.00 sec 128 KBytes 105 Kbits/sec 30 sender [ 5][TX-C] 0.00-10.13 sec 128 KBytes 104 Kbits/sec receiver [ 7][RX-C] 0.00-10.00 sec 11.8 MBytes 9.86 Mbits/sec 0 sender [ 7][RX-C] 0.00-10.13 sec 9.25 MBytes 7.66 Mbits/sec receiver iperf Done. Regards Stefan Lippers-Hollmann
diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c index 815f8f599f5d..5a55db349cb5 100644 --- a/drivers/net/wireless/ath/ar5523/ar5523.c +++ b/drivers/net/wireless/ath/ar5523/ar5523.c @@ -1594,6 +1594,20 @@ static int ar5523_probe(struct usb_interface *intf, struct ar5523 *ar; int error = -ENOMEM; + static const u8 bulk_ep_addr[] = { + AR5523_CMD_TX_PIPE | USB_DIR_OUT, + AR5523_DATA_TX_PIPE | USB_DIR_OUT, + AR5523_CMD_RX_PIPE | USB_DIR_IN, + AR5523_DATA_RX_PIPE | USB_DIR_IN, + 0}; + + if (!usb_check_bulk_endpoints(intf, bulk_ep_addr)) { + dev_err(&dev->dev, + "Could not find all expected endpoints\n"); + error = -ENODEV; + goto out; + } + /* * Load firmware if the device requires it. This will return * -ENXIO on success and we'll get called back afer the usb
Syzkaller reports [1] hitting a warning about an endpoint in use not having an expected type to it. Fix the issue by checking for the existence of all proper endpoints with their according types intact. Sadly, this patch has not been tested on real hardware. [1] Syzkaller report: ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 0 PID: 3643 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 ... Call Trace: <TASK> ar5523_cmd+0x41b/0x780 drivers/net/wireless/ath/ar5523/ar5523.c:275 ar5523_cmd_read drivers/net/wireless/ath/ar5523/ar5523.c:302 [inline] ar5523_host_available drivers/net/wireless/ath/ar5523/ar5523.c:1376 [inline] ar5523_probe+0x14b0/0x1d10 drivers/net/wireless/ath/ar5523/ar5523.c:1655 usb_probe_interface+0x30f/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:639 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487 device_add+0xbd9/0x1e90 drivers/base/core.c:3517 usb_set_configuration+0x101d/0x1900 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0xbe/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:639 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487 device_add+0xbd9/0x1e90 drivers/base/core.c:3517 usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573 hub_port_connect drivers/usb/core/hub.c:5353 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x26cb/0x45d0 drivers/usb/core/hub.c:5735 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> Reported-and-tested-by: syzbot+1bc2c2afd44f820a669f@syzkaller.appspotmail.com Fixes: b7d572e1871d ("ar5523: Add new driver") Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru> --- v2: added 'const' qualifier to bulk_ep_addr[] per Jeff Johnson's helpful suggestion. drivers/net/wireless/ath/ar5523/ar5523.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)