[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.121' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 139.662513][ T1980] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 139.912431][ T1980] usb 1-1: Using ep0 maxpacket: 8 [ 140.032634][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 247 [ 140.042790][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 628 [ 140.052883][ T1980] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 140.222756][ T1980] usb 1-1: New USB device found, idVendor=0424, idProduct=7505, bcdDevice= 0.40 [ 140.231922][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 140.240243][ T1980] usb 1-1: Product: syz [ 140.244627][ T1980] usb 1-1: Manufacturer: syz [ 140.249324][ T1980] usb 1-1: SerialNumber: syz [ 140.306265][ T8200] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 140.316014][ T8200] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 140.533584][ T8200] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 140.540638][ T8200] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 141.002950][ T1980] cdc_ether: probe of 1-1:1.0 failed with error -22 [ 141.010066][ T1980] smsc75xx v1.0.0 [ 141.203444][ T8200] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 141.210431][ T8200] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 141.452639][ T1980] ===================================================== [ 141.459613][ T1980] BUG: KMSAN: uninit-value in smsc75xx_bind+0x57c/0x13c0 [ 141.466825][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Not tainted 5.11.0-rc7-syzkaller #0 [ 141.475259][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.485322][ T1980] Workqueue: usb_hub_wq hub_event [ 141.490476][ T1980] Call Trace: [ 141.493753][ T1980] dump_stack+0x21c/0x280 [ 141.498093][ T1980] kmsan_report+0xfb/0x1e0 [ 141.502509][ T1980] __msan_warning+0x5f/0xa0 [ 141.507019][ T1980] smsc75xx_bind+0x57c/0x13c0 [ 141.511707][ T1980] ? smsc75xx_write_wuff+0xa70/0xa70 [ 141.516984][ T1980] usbnet_probe+0x115e/0x3e80 [ 141.521652][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 141.526845][ T1980] ? usbnet_disconnect+0x6b0/0x6b0 [ 141.531954][ T1980] usb_probe_interface+0xfcc/0x1520 [ 141.537145][ T1980] ? usb_register_driver+0x900/0x900 [ 141.542418][ T1980] really_probe+0xe15/0x24d0 [ 141.547003][ T1980] driver_probe_device+0x29d/0x3a0 [ 141.552126][ T1980] __device_attach_driver+0x63f/0x830 [ 141.557494][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 141.562345][ T1980] ? deferred_probe_work_func+0x400/0x400 [ 141.568068][ T1980] __device_attach+0x56a/0x890 [ 141.572824][ T1980] device_initial_probe+0x4a/0x60 [ 141.577863][ T1980] bus_probe_device+0x17e/0x3d0 [ 141.582721][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.588961][ T1980] device_add+0x2c15/0x31d0 [ 141.593480][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 141.599024][ T1980] ? usb_set_configuration+0xa61/0x3eb0 [ 141.604569][ T1980] usb_generic_driver_probe+0x138/0x300 [ 141.610131][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 141.615929][ T1980] usb_probe_device+0x317/0x570 [ 141.620948][ T1980] ? usb_register_device_driver+0x590/0x590 [ 141.626837][ T1980] really_probe+0xe15/0x24d0 [ 141.631430][ T1980] driver_probe_device+0x29d/0x3a0 [ 141.636557][ T1980] __device_attach_driver+0x63f/0x830 [ 141.641959][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 141.646823][ T1980] ? deferred_probe_work_func+0x400/0x400 executing program [ 141.652542][ T1980] __device_attach+0x56a/0x890 [ 141.657331][ T1980] device_initial_probe+0x4a/0x60 [ 141.662394][ T1980] bus_probe_device+0x17e/0x3d0 [ 141.667288][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.673127][ T1980] device_add+0x2c15/0x31d0 [ 141.677628][ T1980] usb_new_device+0x1bd4/0x2a30 [ 141.682476][ T1980] hub_event+0x5b99/0x8870 [ 141.686941][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 141.692136][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.698042][ T1980] ? led_work+0x780/0x780 [ 141.702382][ T1980] process_one_work+0x1219/0x1fe0 [ 141.707429][ T1980] worker_thread+0x10ec/0x2340 [ 141.712195][ T1980] kthread+0x521/0x560 [ 141.716255][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 141.721447][ T1980] ? kthread_blkcg+0x110/0x110 [ 141.726201][ T1980] ret_from_fork+0x1f/0x30 [ 141.730759][ T1980] [ 141.733228][ T1980] Local variable ----buf.i91@smsc75xx_bind created at: [ 141.740948][ T1980] smsc75xx_bind+0x435/0x13c0 [ 141.745721][ T1980] smsc75xx_bind+0x435/0x13c0 [ 141.750604][ T1980] ===================================================== [ 141.757711][ T1980] Disabling lock debugging due to kernel taint [ 141.819699][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000040: -71 [ 141.831999][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Error reading E2P_CMD [ 141.855688][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000014: -71 [ 141.867015][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read PMT_CTL: -71 [ 141.876800][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): device not ready in smsc75xx_reset [ 141.887244][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): smsc75xx_reset error -71 [ 141.897000][ T1980] smsc75xx: probe of 1-1:1.0 failed with error -71 [ 141.912922][ T1980] usb 1-1: USB disconnect, device number 2 [ 142.282654][ T1980] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 142.522498][ T1980] usb 1-1: Using ep0 maxpacket: 8 [ 142.642762][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 247 [ 142.652998][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 628 [ 142.663020][ T1980] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 142.842955][ T1980] usb 1-1: New USB device found, idVendor=0424, idProduct=7505, bcdDevice= 0.40 [ 142.852129][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 142.860510][ T1980] usb 1-1: Product: syz [ 142.864959][ T1980] usb 1-1: Manufacturer: syz [ 142.869667][ T1980] usb 1-1: SerialNumber: syz [ 142.912954][ T8208] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 142.920371][ T8208] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 143.133294][ T8208] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 143.140345][ T8208] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 143.592837][ T1980] cdc_ether: probe of 1-1:1.0 failed with error -22 [ 143.599853][ T1980] smsc75xx v1.0.0 [ 143.802986][ T8208] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 143.810111][ T8208] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 144.052637][ T1980] ===================================================== [ 144.059704][ T1980] BUG: KMSAN: uninit-value in smsc75xx_bind+0x57c/0x13c0 [ 144.066757][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.076855][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.086913][ T1980] Workqueue: usb_hub_wq hub_event [ 144.091941][ T1980] Call Trace: [ 144.095234][ T1980] dump_stack+0x21c/0x280 [ 144.099559][ T1980] kmsan_report+0xfb/0x1e0 [ 144.103979][ T1980] __msan_warning+0x5f/0xa0 [ 144.108518][ T1980] smsc75xx_bind+0x57c/0x13c0 [ 144.113307][ T1980] ? smsc75xx_write_wuff+0xa70/0xa70 [ 144.118606][ T1980] usbnet_probe+0x115e/0x3e80 [ 144.123278][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 144.128647][ T1980] ? usbnet_disconnect+0x6b0/0x6b0 [ 144.133760][ T1980] usb_probe_interface+0xfcc/0x1520 [ 144.138964][ T1980] ? usb_register_driver+0x900/0x900 [ 144.144346][ T1980] really_probe+0xe15/0x24d0 [ 144.148937][ T1980] driver_probe_device+0x29d/0x3a0 [ 144.154043][ T1980] __device_attach_driver+0x63f/0x830 [ 144.159432][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 144.164323][ T1980] ? deferred_probe_work_func+0x400/0x400 [ 144.170041][ T1980] __device_attach+0x56a/0x890 [ 144.174799][ T1980] device_initial_probe+0x4a/0x60 [ 144.179817][ T1980] bus_probe_device+0x17e/0x3d0 [ 144.184670][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.190473][ T1980] device_add+0x2c15/0x31d0 [ 144.194985][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 144.200437][ T1980] ? usb_set_configuration+0xa61/0x3eb0 [ 144.206160][ T1980] usb_generic_driver_probe+0x138/0x300 [ 144.212786][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 144.218590][ T1980] usb_probe_device+0x317/0x570 [ 144.223457][ T1980] ? usb_register_device_driver+0x590/0x590 [ 144.229387][ T1980] really_probe+0xe15/0x24d0 [ 144.233991][ T1980] driver_probe_device+0x29d/0x3a0 [ 144.239102][ T1980] __device_attach_driver+0x63f/0x830 [ 144.244475][ T1980] bus_for_each_drv+0x2c8/0x3f0 executing program [ 144.249335][ T1980] ? deferred_probe_work_func+0x400/0x400 [ 144.255106][ T1980] __device_attach+0x56a/0x890 [ 144.259914][ T1980] device_initial_probe+0x4a/0x60 [ 144.265019][ T1980] bus_probe_device+0x17e/0x3d0 [ 144.269912][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.275769][ T1980] device_add+0x2c15/0x31d0 [ 144.280278][ T1980] usb_new_device+0x1bd4/0x2a30 [ 144.285139][ T1980] hub_event+0x5b99/0x8870 [ 144.289673][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 144.294913][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 144.300145][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.305990][ T1980] ? led_work+0x780/0x780 [ 144.310353][ T1980] process_one_work+0x1219/0x1fe0 [ 144.315416][ T1980] worker_thread+0x12bc/0x2340 [ 144.320227][ T1980] kthread+0x521/0x560 [ 144.324355][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 144.329593][ T1980] ? kthread_blkcg+0x110/0x110 [ 144.334391][ T1980] ret_from_fork+0x1f/0x30 [ 144.338842][ T1980] [ 144.341175][ T1980] Local variable ----buf.i91@smsc75xx_bind created at: [ 144.348287][ T1980] smsc75xx_bind+0x435/0x13c0 [ 144.352997][ T1980] smsc75xx_bind+0x435/0x13c0 [ 144.357702][ T1980] ===================================================== [ 144.394837][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000040: -71 [ 144.405615][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Error reading E2P_CMD [ 144.442717][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000014: -71 [ 144.453615][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read PMT_CTL: -71 [ 144.463364][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): device not ready in smsc75xx_reset [ 144.473678][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): smsc75xx_reset error -71 [ 144.483430][ T1980] smsc75xx: probe of 1-1:1.0 failed with error -71 [ 144.501394][ T1980] usb 1-1: USB disconnect, device number 3 [ 144.862525][ T1980] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 145.102525][ T1980] usb 1-1: Using ep0 maxpacket: 8 [ 145.222687][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 247 [ 145.232779][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 628 [ 145.242833][ T1980] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 145.432797][ T1980] usb 1-1: New USB device found, idVendor=0424, idProduct=7505, bcdDevice= 0.40 [ 145.441938][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 145.451436][ T1980] usb 1-1: Product: syz [ 145.455870][ T1980] usb 1-1: Manufacturer: syz [ 145.460542][ T1980] usb 1-1: SerialNumber: syz [ 145.504057][ T8221] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 145.511003][ T8221] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 145.735127][ T8221] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 145.743761][ T8221] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 146.182801][ T1980] cdc_ether: probe of 1-1:1.0 failed with error -22 [ 146.189736][ T1980] smsc75xx v1.0.0 [ 146.382987][ T8221] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 146.389926][ T8221] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 146.632620][ T1980] ===================================================== [ 146.639570][ T1980] BUG: KMSAN: uninit-value in smsc75xx_bind+0x57c/0x13c0 [ 146.647549][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.657369][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.667428][ T1980] Workqueue: usb_hub_wq hub_event [ 146.672444][ T1980] Call Trace: [ 146.675707][ T1980] dump_stack+0x21c/0x280 [ 146.680026][ T1980] kmsan_report+0xfb/0x1e0 [ 146.684435][ T1980] __msan_warning+0x5f/0xa0 [ 146.688925][ T1980] smsc75xx_bind+0x57c/0x13c0 [ 146.693678][ T1980] ? smsc75xx_write_wuff+0xa70/0xa70 [ 146.698954][ T1980] usbnet_probe+0x115e/0x3e80 [ 146.703617][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 146.708816][ T1980] ? usbnet_disconnect+0x6b0/0x6b0 [ 146.713911][ T1980] usb_probe_interface+0xfcc/0x1520 [ 146.719112][ T1980] ? usb_register_driver+0x900/0x900 [ 146.724546][ T1980] really_probe+0xe15/0x24d0 [ 146.729154][ T1980] driver_probe_device+0x29d/0x3a0 [ 146.734257][ T1980] __device_attach_driver+0x63f/0x830 [ 146.739621][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 146.744482][ T1980] ? deferred_probe_work_func+0x400/0x400 [ 146.750191][ T1980] __device_attach+0x56a/0x890 [ 146.754944][ T1980] device_initial_probe+0x4a/0x60 [ 146.759956][ T1980] bus_probe_device+0x17e/0x3d0 [ 146.764806][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.770603][ T1980] device_add+0x2c15/0x31d0 [ 146.775094][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 146.780550][ T1980] ? usb_set_configuration+0xa61/0x3eb0 [ 146.786086][ T1980] usb_generic_driver_probe+0x138/0x300 [ 146.791617][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 146.797327][ T1980] usb_probe_device+0x317/0x570 [ 146.802176][ T1980] ? usb_register_device_driver+0x590/0x590 [ 146.808066][ T1980] really_probe+0xe15/0x24d0 [ 146.812653][ T1980] driver_probe_device+0x29d/0x3a0 [ 146.817781][ T1980] __device_attach_driver+0x63f/0x830 [ 146.823142][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 146.827981][ T1980] ? deferred_probe_work_func+0x400/0x400 [ 146.833696][ T1980] __device_attach+0x56a/0x890 [ 146.838488][ T1980] device_initial_probe+0x4a/0x60 [ 146.843542][ T1980] bus_probe_device+0x17e/0x3d0 [ 146.848425][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.854265][ T1980] device_add+0x2c15/0x31d0 [ 146.858798][ T1980] usb_new_device+0x1bd4/0x2a30 [ 146.863682][ T1980] hub_event+0x5b99/0x8870 [ 146.868123][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 146.873363][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 146.878598][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.884439][ T1980] ? led_work+0x780/0x780 [ 146.888823][ T1980] process_one_work+0x1219/0x1fe0 [ 146.893847][ T1980] worker_thread+0x12bc/0x2340 [ 146.898602][ T1980] kthread+0x521/0x560 [ 146.902656][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 146.907843][ T1980] ? kthread_blkcg+0x110/0x110 [ 146.912615][ T1980] ret_from_fork+0x1f/0x30 [ 146.917020][ T1980] [ 146.919321][ T1980] Local variable ----buf.i91@smsc75xx_bind created at: [ 146.926143][ T1980] smsc75xx_bind+0x435/0x13c0 executing program [ 146.930807][ T1980] smsc75xx_bind+0x435/0x13c0 [ 146.935467][ T1980] ===================================================== [ 146.962668][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000040: -71 [ 146.973687][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Error reading E2P_CMD [ 147.003011][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000014: -71 [ 147.014069][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read PMT_CTL: -71 [ 147.023999][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): device not ready in smsc75xx_reset [ 147.034384][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): smsc75xx_reset error -71 [ 147.044391][ T1980] smsc75xx: probe of 1-1:1.0 failed with error -71 [ 147.060100][ T1980] usb 1-1: USB disconnect, device number 4 [ 147.422525][ T1980] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 147.662567][ T1980] usb 1-1: Using ep0 maxpacket: 8 [ 147.783193][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 247 [ 147.793305][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 628 [ 147.803636][ T1980] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 147.972902][ T1980] usb 1-1: New USB device found, idVendor=0424, idProduct=7505, bcdDevice= 0.40 [ 147.982438][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 147.990551][ T1980] usb 1-1: Product: syz [ 147.995055][ T1980] usb 1-1: Manufacturer: syz [ 147.999737][ T1980] usb 1-1: SerialNumber: syz [ 148.042950][ T8235] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 148.050374][ T8235] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 148.265224][ T8235] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 148.272274][ T8235] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 148.712847][ T1980] cdc_ether: probe of 1-1:1.0 failed with error -22 [ 148.719900][ T1980] smsc75xx v1.0.0 [ 148.923083][ T8235] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 148.930998][ T8235] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 149.162646][ T1980] ===================================================== [ 149.172139][ T1980] BUG: KMSAN: uninit-value in smsc75xx_bind+0x57c/0x13c0 [ 149.179396][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 149.189194][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.199543][ T1980] Workqueue: usb_hub_wq hub_event [ 149.205130][ T1980] Call Trace: [ 149.208843][ T1980] dump_stack+0x21c/0x280 [ 149.213549][ T1980] kmsan_report+0xfb/0x1e0 [ 149.218600][ T1980] __msan_warning+0x5f/0xa0 [ 149.223659][ T1980] smsc75xx_bind+0x57c/0x13c0 [ 149.229612][ T1980] ? smsc75xx_write_wuff+0xa70/0xa70 [ 149.235005][ T1980] usbnet_probe+0x115e/0x3e80 [ 149.239709][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 149.245719][ T1980] ? usbnet_disconnect+0x6b0/0x6b0 [ 149.250830][ T1980] usb_probe_interface+0xfcc/0x1520 [ 149.256023][ T1980] ? usb_register_driver+0x900/0x900 [ 149.261320][ T1980] really_probe+0xe15/0x24d0 [ 149.265927][ T1980] driver_probe_device+0x29d/0x3a0 [ 149.271038][ T1980] __device_attach_driver+0x63f/0x830 [ 149.276409][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 149.281278][ T1980] ? deferred_probe_work_func+0x400/0x400 [ 149.287045][ T1980] __device_attach+0x56a/0x890 [ 149.291811][ T1980] device_initial_probe+0x4a/0x60 [ 149.296890][ T1980] bus_probe_device+0x17e/0x3d0 [ 149.301749][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.307588][ T1980] device_add+0x2c15/0x31d0 [ 149.312114][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 149.317592][ T1980] ? usb_set_configuration+0xa61/0x3eb0 [ 149.323152][ T1980] usb_generic_driver_probe+0x138/0x300 [ 149.328691][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 149.334403][ T1980] usb_probe_device+0x317/0x570 [ 149.339339][ T1980] ? usb_register_device_driver+0x590/0x590 [ 149.345316][ T1980] really_probe+0xe15/0x24d0 [ 149.349944][ T1980] driver_probe_device+0x29d/0x3a0 [ 149.355082][ T1980] __device_attach_driver+0x63f/0x830 executing program [ 149.360459][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 149.365344][ T1980] ? deferred_probe_work_func+0x400/0x400 [ 149.371323][ T1980] __device_attach+0x56a/0x890 [ 149.376126][ T1980] device_initial_probe+0x4a/0x60 [ 149.381216][ T1980] bus_probe_device+0x17e/0x3d0 [ 149.386120][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.391971][ T1980] device_add+0x2c15/0x31d0 [ 149.396512][ T1980] usb_new_device+0x1bd4/0x2a30 [ 149.401402][ T1980] hub_event+0x5b99/0x8870 [ 149.406032][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 149.411280][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 149.416519][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.422360][ T1980] ? led_work+0x780/0x780 [ 149.426723][ T1980] process_one_work+0x1219/0x1fe0 [ 149.431791][ T1980] worker_thread+0x12bc/0x2340 [ 149.436622][ T1980] kthread+0x521/0x560 [ 149.440905][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 149.446149][ T1980] ? kthread_blkcg+0x110/0x110 [ 149.450954][ T1980] ret_from_fork+0x1f/0x30 [ 149.455807][ T1980] [ 149.458151][ T1980] Local variable ----buf.i91@smsc75xx_bind created at: [ 149.465007][ T1980] smsc75xx_bind+0x435/0x13c0 [ 149.469698][ T1980] smsc75xx_bind+0x435/0x13c0 [ 149.474374][ T1980] ===================================================== [ 149.511667][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000040: -71 [ 149.522522][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Error reading E2P_CMD [ 149.552685][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000014: -71 [ 149.563888][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): Failed to read PMT_CTL: -71 [ 149.573619][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): device not ready in smsc75xx_reset [ 149.584086][ T1980] smsc75xx 1-1:1.0 (unnamed net_device) (uninitialized): smsc75xx_reset error -71 [ 149.593782][ T1980] smsc75xx: probe of 1-1:1.0 failed with error -71 [ 149.637493][ T1980] usb 1-1: USB disconnect, device number 5 [ 149.992548][ T1980] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 150.232592][ T1980] usb 1-1: Using ep0 maxpacket: 8 [ 150.362673][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 247 [ 150.372923][ T1980] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 628 [ 150.383128][ T1980] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 150.552676][ T1980] usb 1-1: New USB device found, idVendor=0424, idProduct=7505, bcdDevice= 0.40 [ 150.561948][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 150.570310][ T1980] usb 1-1: Product: syz [ 150.574740][ T1980] usb 1-1: Manufacturer: syz [ 150.579422][ T1980] usb 1-1: SerialNumber: syz [ 150.603168][ T8248] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 150.610275][ T8248] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 150.823421][ T8248] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 150.830489][ T8248] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 151.282770][ T1980] cdc_ether: probe of 1-1:1.0 failed with error -22 [ 151.289665][ T1980] smsc75xx v1.0.0