usb 1-1: SerialNumber: 缨珏ꖶ༦ზ௩綐塒紞㝧ᝉఒ쾐쓁삄뇜驈真ꁺ㳃䠎Ჸ倶릡䭟飙ᅌ嵼볌╍캦ᢅଗ듈扇਱ꖟ﷭犛䬥໕珈밶톱ࣤ㧉槯冃萉鲲떱◥0猋껨ᡳ矰湈幺엤蚪珘䏈죇铵⅟讶ꏾ쾋 usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=4, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b441d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a2100 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a20e8 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 903256 hardirqs last enabled at (903255): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (903256): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (900442): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (900442): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (900431): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b4441 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a2220 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a2208 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 903668 hardirqs last enabled at (903667): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (903668): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (903660): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (903660): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (903259): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b4465 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a2340 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a2328 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 904074 hardirqs last enabled at (904073): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (904074): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (904066): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (904066): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (903671): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b4489 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a2460 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a2448 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 904642 hardirqs last enabled at (904641): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (904642): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (904638): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (904638): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (904077): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b44ad x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a2580 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a2568 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 904680 hardirqs last enabled at (904679): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (904680): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (904676): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (904676): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (904645): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b44d1 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a26a0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a2688 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 905106 hardirqs last enabled at (905105): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (905106): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (905096): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (905096): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (904683): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b44f5 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a27c0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a27a8 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 905554 hardirqs last enabled at (905553): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (905554): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (905546): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (905546): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (905109): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b4519 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a28e0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a28c8 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 905968 hardirqs last enabled at (905967): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (905968): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (905944): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (905944): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (905557): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b453d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a2a00 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a29e8 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 906036 hardirqs last enabled at (906035): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (906036): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (906028): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (906028): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (905971): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001f4b4561 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000fa5a2b20 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000fa5a2b08 x18: ffff8000a5365ec0 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 906542 hardirqs last enabled at (906541): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (906542): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (906520): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (906520): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (906039): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- smsusb:smsusb_probe: Device initialized with return code -19 usb 1-1: USB disconnect, device number 43 usb 1-1: new full-speed USB device number 44 using dummy_hcd usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x80, skipping usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x5 has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x6 has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid maxpacket 1024, setting to 64 usb 1-1: New USB device found, idVendor=187f, idProduct=0300, bcdDevice=fc.7b usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: ࠚ usb 1-1: Manufacturer: 礳꽮游鈦୵∑觝ὂ馱鉅摸떷䓐槯ᱬ弩ꈵ㛛亓鰑㯨቏悹੻쭖䥒똵歯鮏￑葀㾭滶휝┫웸ꖫ﹧퐔惟躍쒘혓裿쩄립齌뽶㑮琝걨ᕺ엺逳ⳋ藉쀒箩䚨贬肃㴂酐༘⩱嘟ొ usb 1-1: SerialNumber: 缨珏ꖶ༦ზ௩綐塒紞㝧ᝉఒ쾐쓁삄뇜驈真ꁺ㳃䠎Ჸ倶릡䭟飙ᅌ嵼볌╍캦ᢅଗ듈扇਱ꖟ﷭犛䬥໕珈밶톱ࣤ㧉槯冃萉鲲떱◥0猋껨ᡳ矰湈幺엤蚪珘䏈죇铵⅟讶ꏾ쾋 usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=4, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f01d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df978100 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df9780e8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 914232 hardirqs last enabled at (914231): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (914232): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (911910): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (911910): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (911893): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f041 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df978220 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df978208 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 914608 hardirqs last enabled at (914607): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (914608): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (914600): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (914600): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (914235): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f065 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df978340 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df978328 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 914680 hardirqs last enabled at (914679): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (914680): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (914672): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (914672): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (914611): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f089 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df978460 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df978448 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 915114 hardirqs last enabled at (915113): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (915114): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (915106): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (915106): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (914683): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f0ad x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df978580 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df978568 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 915528 hardirqs last enabled at (915527): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (915528): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (915520): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (915520): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (915117): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f0d1 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df9786a0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df978688 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 915954 hardirqs last enabled at (915953): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (915954): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (915946): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (915946): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (915531): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f0f5 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df9787c0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df9787a8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 916006 hardirqs last enabled at (916005): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (916006): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (916002): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (916002): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (915957): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f119 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df9788e0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df9788c8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 916380 hardirqs last enabled at (916379): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (916380): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (916372): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (916372): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (916009): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f13d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df978a00 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df9789e8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 916778 hardirqs last enabled at (916777): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (916778): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (916770): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (916770): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (916383): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001bf2f161 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000df978b20 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000df978b08 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff800084347fc4 x14: ffff800084352ba0 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 916982 hardirqs last enabled at (916981): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (916982): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (916958): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (916958): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (916781): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- smsusb:smsusb_probe: Device initialized with return code -19 usb 1-1: USB disconnect, device number 44 usb 1-1: new full-speed USB device number 45 using dummy_hcd usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x80, skipping usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x5 has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x6 has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid maxpacket 1024, setting to 64 usb 1-1: New USB device found, idVendor=187f, idProduct=0300, bcdDevice=fc.7b usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: ࠚ usb 1-1: Manufacturer: 礳꽮游鈦୵∑觝ὂ馱鉅摸떷䓐槯ᱬ弩ꈵ㛛亓鰑㯨቏悹੻쭖䥒똵歯鮏￑葀㾭滶휝┫웸ꖫ﹧퐔惟躍쒘혓裿쩄립齌뽶㑮琝걨ᕺ엺逳ⳋ藉쀒箩䚨贬肃㴂酐༘⩱嘟ొ usb 1-1: SerialNumber: 缨珏ꖶ༦ზ௩綐塒紞㝧ᝉఒ쾐쓁삄뇜驈真ꁺ㳃䠎Ჸ倶릡䭟飙ᅌ嵼볌╍캦ᢅଗ듈扇਱ꖟ﷭犛䬥໕珈밶톱ࣤ㧉槯冃萉鲲떱◥0猋껨ᡳ矰湈幺엤蚪珘䏈죇铵⅟讶ꏾ쾋 usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=4, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0002046641d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff000102332100 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0001023320e8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 924084 hardirqs last enabled at (924083): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (924084): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (921670): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (921670): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (921663): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00020466441 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff000102332220 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff000102332208 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 924484 hardirqs last enabled at (924483): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (924484): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (924476): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (924476): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (924087): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00020466465 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff000102332340 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff000102332328 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 924556 hardirqs last enabled at (924555): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (924556): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (924548): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (924548): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (924487): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00020466489 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff000102332460 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff000102332448 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 924986 hardirqs last enabled at (924985): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (924986): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (924978): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (924978): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (924559): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe000204664ad x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff000102332580 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff000102332568 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 925502 hardirqs last enabled at (925501): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (925502): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (925498): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (925498): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (924989): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe000204664d1 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0001023326a0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff000102332688 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 925912 hardirqs last enabled at (925911): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (925912): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (925904): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (925904): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (925505): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe000204664f5 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0001023327c0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0001023327a8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 925960 hardirqs last enabled at (925959): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (925960): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (925956): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (925956): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (925915): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00020466519 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0001023328e0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0001023328c8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 926392 hardirqs last enabled at (926391): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (926392): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (926384): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (926384): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (925963): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0002046653d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff000102332a00 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0001023329e8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 926776 hardirqs last enabled at (926775): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (926776): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (926768): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (926768): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (926395): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00020466561 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff000102332b20 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff000102332b08 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 926964 hardirqs last enabled at (926963): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (926964): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (926954): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (926954): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (926779): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- smsusb:smsusb_probe: Device initialized with return code -19 usb 1-1: USB disconnect, device number 45 usb 1-1: new full-speed USB device number 46 using dummy_hcd usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x80, skipping usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x5 has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x6 has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid maxpacket 1024, setting to 64 usb 1-1: New USB device found, idVendor=187f, idProduct=0300, bcdDevice=fc.7b usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: ࠚ usb 1-1: Manufacturer: 礳꽮游鈦୵∑觝ὂ馱鉅摸떷䓐槯ᱬ弩ꈵ㛛亓鰑㯨቏悹੻쭖䥒똵歯鮏￑葀㾭滶휝┫웸ꖫ﹧퐔惟躍쒘혓裿쩄립齌뽶㑮琝걨ᕺ엺逳ⳋ藉쀒箩䚨贬肃㴂酐༘⩱嘟ొ usb 1-1: SerialNumber: 缨珏ꖶ༦ზ௩綐塒紞㝧ᝉఒ쾐쓁삄뇜驈真ꁺ㳃䠎Ჸ倶릡䭟飙ᅌ嵼볌╍캦ᢅଗ듈扇਱ꖟ﷭犛䬥໕珈밶톱ࣤ㧉槯冃萉鲲떱◥0猋껨ᡳ矰湈幺엤蚪珘䏈죇铵⅟讶ꏾ쾋 usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=4, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001992501d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc928100 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc9280e8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 934802 hardirqs last enabled at (934801): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (934802): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (932572): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (932572): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (932561): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00019925041 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc928220 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc928208 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 935342 hardirqs last enabled at (935341): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (935342): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (935338): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (935338): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (934805): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00019925065 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc928340 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc928328 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 935894 hardirqs last enabled at (935893): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (935894): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (935890): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (935890): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (935345): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00019925089 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc928460 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc928448 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 936450 hardirqs last enabled at (936449): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (936450): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (936446): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (936446): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (935897): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe000199250ad x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc928580 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc928568 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 936504 hardirqs last enabled at (936503): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (936504): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (936500): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (936500): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (936453): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe000199250d1 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc9286a0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc928688 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 936938 hardirqs last enabled at (936937): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (936938): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (936930): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (936930): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (936507): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe000199250f5 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc9287c0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc9287a8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 937244 hardirqs last enabled at (937243): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (937244): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (937236): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (937236): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (936941): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00019925119 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc9288e0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc9288c8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 937354 hardirqs last enabled at (937353): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (937354): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (937346): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (937346): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (937247): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001992513d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc928a00 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc9289e8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 937888 hardirqs last enabled at (937887): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (937888): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (937878): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (937878): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (937357): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe00019925161 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000cc928b20 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000cc928b08 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: ffff0001b4239e3c x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 938346 hardirqs last enabled at (938345): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (938346): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (938336): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (938336): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (937891): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- smsusb:smsusb_probe: Device initialized with return code -19 usb 1-1: USB disconnect, device number 46 usb 1-1: new full-speed USB device number 47 using dummy_hcd usb 1-1: config 0 interface 0 altsetting 5 has an invalid endpoint with address 0x80, skipping usb 1-1: config 0 interface 0 altsetting 5 endpoint 0x5 has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 0 altsetting 5 endpoint 0x6 has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 0 altsetting 5 endpoint 0xE has invalid maxpacket 1024, setting to 64 usb 1-1: config 0 interface 0 has no altsetting 0 usb 1-1: New USB device found, idVendor=187f, idProduct=0300, bcdDevice=fc.7b usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: ࠚ usb 1-1: Manufacturer: 礳꽮游鈦୵∑觝ὂ馱鉅摸떷䓐槯ᱬ弩ꈵ㛛亓鰑㯨቏悹੻쭖䥒똵歯鮏￑葀㾭滶휝┫웸ꖫ﹧퐔惟躍쒘혓裿쩄립齌뽶㑮琝걨ᕺ엺逳ⳋ藉쀒箩䚨贬肃㴂酐༘⩱嘟ొ usb 1-1: SerialNumber: 缨珏ꖶ༦ზ௩綐塒紞㝧ᝉఒ쾐쓁삄뇜驈真ꁺ㳃䠎Ჸ倶릡䭟飙ᅌ嵼볌╍캦ᢅଗ듈扇਱ꖟ﷭犛䬥໕珈밶톱ࣤ㧉槯冃萉鲲떱◥0猋껨ᡳ矰湈幺엤蚪珘䏈죇铵⅟讶ꏾ쾋 usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=4, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e81d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d2874100 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d28740e8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 947290 hardirqs last enabled at (947289): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (947290): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (944548): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (944548): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (944183): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e841 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d2874220 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d2874208 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 947678 hardirqs last enabled at (947677): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (947678): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (947670): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (947670): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (947293): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e865 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d2874340 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d2874328 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 948056 hardirqs last enabled at (948055): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (948056): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (948048): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (948048): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (947681): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e889 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d2874460 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d2874448 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 948124 hardirqs last enabled at (948123): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (948124): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (948116): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (948116): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (948059): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e8ad x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d2874580 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d2874568 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 948694 hardirqs last enabled at (948693): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (948694): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (948690): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (948690): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (948127): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e8d1 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d28746a0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d2874688 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 949076 hardirqs last enabled at (949075): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (949076): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (949068): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (949068): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (948697): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e8f5 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d28747c0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d28747a8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 949472 hardirqs last enabled at (949471): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (949472): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (949458): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (949458): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (949079): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e919 x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d28748e0 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d28748c8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1030 device_initial_probe+0x24/0x34 drivers/base/dd.c:1079 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0xa44/0xdf0 drivers/base/core.c:3625 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0xb68/0xfe8 kernel/workqueue.c:2554 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 949508 hardirqs last enabled at (949507): [] __cancel_work_timer+0x3a4/0x540 kernel/workqueue.c:3269 hardirqs last disabled at (949508): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407 softirqs last enabled at (949504): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (949504): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (949475): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18880 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 1 PID: 18880 Comm: kworker/1:7 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3182 sp : ffff8000a5366580 x29: ffff8000a53666b0 x28: 0000000000000000 x27: ffff8000a53667e8 x26: 0000000000000001 x25: 1fffe0001a50e93d x24: dfff800000000000 x23: ffff700014a6ccb0 x22: ffff0000d2874a00 x21: ffff8000a53665a0 x20: 0000000000000001 x19: ffff0000d28749e8 x18: 1fffe000368473c6 x17: ffff80008dedd000 x16: ffff80008a38d400 x15: 0000000000000002 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009f233000 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3e4/0x540 kernel/workqueue.c:3276 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3312 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xcb8/0x1a0c drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x394/0xa7c drivers/base/dd.c:658 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:800 driver_probe_device+0x78/0x330 drivers/base/dd.c:830 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:958