smsusb:smsusb_probe: board id=9, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Not tainted 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d01d x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122068100 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff0001220680e8 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2401172 hardirqs last enabled at (2401171): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2401172): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2399402): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2399402): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2399391): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2399391): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2399391): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033b5 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d041 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122068220 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122068208 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2401520 hardirqs last enabled at (2401519): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2401520): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2401512): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2401512): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2401175): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2401175): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2401175): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033b6 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d065 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122068340 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122068328 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2402006 hardirqs last enabled at (2402005): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2402006): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2401998): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2401998): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2401523): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2401523): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2401523): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033b7 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d089 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122068460 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122068448 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2402424 hardirqs last enabled at (2402423): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2402424): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2402416): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2402416): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2402009): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2402009): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2402009): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033b8 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d0ad x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122068580 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122068568 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2402944 hardirqs last enabled at (2402943): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2402944): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2402930): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2402930): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2402427): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2402427): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2402427): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033b9 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d0d1 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff0001220686a0 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122068688 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2403460 hardirqs last enabled at (2403459): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2403460): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2403412): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2403412): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2402947): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2402947): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2402947): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033ba ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d0f5 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff0001220687c0 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff0001220687a8 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2403974 hardirqs last enabled at (2403973): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2403974): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2403926): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2403926): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2403463): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2403463): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2403463): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033bb ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d119 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff0001220688e0 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff0001220688c8 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2404350 hardirqs last enabled at (2404349): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2404350): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2404342): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2404342): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2403977): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2403977): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2403977): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033bc ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d13d x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122068a00 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff0001220689e8 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2404636 hardirqs last enabled at (2404635): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2404636): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2404628): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2404628): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2404353): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2404353): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2404353): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033bd ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002440d161 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122068b20 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122068b08 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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: 2404640 hardirqs last enabled at (2404639): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2404640): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2404628): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2404628): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2404353): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2404353): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2404353): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033be ]--- smsusb:smsusb_probe: Device initialized with return code -19 usb 1-1: USB disconnect, device number 30 usb 1-1: new high-speed USB device number 31 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config 0 interface 0 altsetting 5 endpoint 0x6 has invalid wMaxPacketSize 0 usb 1-1: config 0 interface 0 has no altsetting 0 usb 1-1: New USB device found, idVendor=2040, idProduct=2000, bcdDevice=86.e7 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=9, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002455301d x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a98100 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a980e8 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2410350 hardirqs last enabled at (2410349): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2410350): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2409366): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2409366): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2409341): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2409341): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2409341): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033bf ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe00024553041 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a98220 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a98208 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2410738 hardirqs last enabled at (2410737): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2410738): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2410730): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2410730): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2410353): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2410353): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2410353): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c0 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe00024553065 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a98340 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a98328 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2411054 hardirqs last enabled at (2411053): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2411054): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2411046): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2411046): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2410741): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2410741): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2410741): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c1 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe00024553089 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a98460 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a98448 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2411464 hardirqs last enabled at (2411463): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2411464): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2411456): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2411456): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2411057): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2411057): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2411057): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c2 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe000245530ad x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a98580 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a98568 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2411832 hardirqs last enabled at (2411831): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2411832): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2411824): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2411824): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2411467): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2411467): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2411467): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c3 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe000245530d1 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a986a0 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a98688 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2411942 hardirqs last enabled at (2411941): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2411942): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2411934): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2411934): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2411835): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2411835): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2411835): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c4 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe000245530f5 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a987c0 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a987a8 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2412320 hardirqs last enabled at (2412319): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2412320): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2412312): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2412312): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2411945): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2411945): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2411945): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c5 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe00024553119 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a988e0 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a988c8 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2412338 hardirqs last enabled at (2412337): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline] hardirqs last enabled at (2412337): [] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91 hardirqs last disabled at (2412338): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2412312): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2412312): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2411945): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2411945): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2411945): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c6 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe0002455313d x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a98a00 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a989e8 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2412378 hardirqs last enabled at (2412377): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2412378): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2412374): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2412374): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2412341): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2412341): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2412341): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c7 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5284 at kernel/workqueue.c:3084 __flush_work+0x1b4/0x1c0 Modules linked in: CPU: 0 PID: 5284 Comm: kworker/0:9 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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:3084 sp : ffff80001e4f65e0 x29: ffff80001e4f6710 x28: 0000000000000000 x27: ffff80001e4f6848 x26: 0000000000000001 x25: 1fffe00024553161 x24: dfff800000000000 x23: ffff700003c9ecbc x22: ffff000122a98b20 x21: ffff80001e4f6600 x20: 0000000000000001 x19: ffff000122a98b08 x18: 1fffe000368ffd8e x17: 1fffe000368ffd8e x16: ffff8000082ea770 x15: ffff80000bf6655c x14: ffff80000bf70b38 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000259a4000 x9 : ffff800008208330 x8 : 0000000000040000 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 process_scheduled_works kernel/workqueue.c:2370 [inline] worker_thread+0xb88/0x1034 kernel/workqueue.c:2456 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 2412932 hardirqs last enabled at (2412931): [] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3171 hardirqs last disabled at (2412932): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2412884): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2412884): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2412381): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2412381): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2412381): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace d3336de9819033c8 ]--- smsusb:smsusb_probe: Device initialized with return code -19 usb 1-1: USB disconnect, device number 31