usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=8, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b57941d x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabca100 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca0e8 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157502 hardirqs last enabled at (157501): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157502): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (156638): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (156638): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (156625): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (156625): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (156625): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770dffb ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b579441 x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabca220 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca208 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157526 hardirqs last enabled at (157525): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157526): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157518): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157518): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157505): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157505): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157505): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770dffc ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b579465 x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabca340 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca328 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157556 hardirqs last enabled at (157555): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157556): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157548): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157548): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157531): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157531): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157531): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770dffd ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b579489 x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabca460 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca448 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157576 hardirqs last enabled at (157575): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157576): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157572): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157572): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157559): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157559): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157559): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770dffe ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b5794ad x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabca580 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca568 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157604 hardirqs last enabled at (157603): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157604): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157596): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157596): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157579): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157579): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157579): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770dfff ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b5794d1 x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabca6a0 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca688 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157682 hardirqs last enabled at (157681): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157682): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157674): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157674): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157607): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157607): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157607): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770e000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b5794f5 x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabca7c0 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca7a8 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157710 hardirqs last enabled at (157709): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157710): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157702): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157702): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157685): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157685): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157685): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770e001 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b579519 x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabca8e0 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca8c8 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157730 hardirqs last enabled at (157729): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157730): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157726): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157726): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157713): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157713): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157713): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770e002 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b57953d x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabcaa00 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabca9e8 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157758 hardirqs last enabled at (157757): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157758): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157750): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157750): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157733): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157733): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157733): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770e003 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G W 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __flush_work+0x1b4/0x1c0 lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3084 sp : ffff8000189365e0 x29: ffff800018936710 x28: 0000000000000000 x27: ffff800018936848 x26: 0000000000000001 x25: 1fffe0001b579561 x24: dfff800000000000 x23: ffff700003126cbc x22: ffff0000dabcab20 x21: ffff800018936600 x20: 0000000000000001 x19: ffff0000dabcab08 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff8000082ea770 x15: ffff80000bf699e4 x14: ffff80000bf73fc0 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008208330 x10: 0000000000000000 x9 : ffff800008208330 x8 : ffff0000c0948000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __flush_work+0x1b4/0x1c0 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3178 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3214 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2170 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+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487 device_add+0xae0/0xef4 drivers/base/core.c:3394 usb_new_device+0x8fc/0x1448 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5648 [inline] hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 157792 hardirqs last enabled at (157791): [<ffff800008208728>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (157792): [<ffff800011957088>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (157784): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (157784): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (157761): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (157761): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (157761): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 3d01e6727770e004 ]--- smsusb:smsusb_probe: Device initialized with return code -19 usb 1-1: USB disconnect, device number 2