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=7, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5065 at kernel/workqueue.c:3066 __flush_work+0x798/0xa80 kernel/workqueue.c:3063 Modules linked in: CPU: 1 PID: 5065 Comm: kworker/1:5 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:__flush_work+0x798/0xa80 kernel/workqueue.c:3066 Code: 00 00 00 e8 8a dd 17 00 48 c7 c6 51 79 4a 81 48 c7 c7 e0 6e 78 8b 45 31 ff e8 d4 79 10 00 e9 55 fd ff ff 0f 0b e9 4e fd ff ff <0f> 0b 45 31 ff e9 44 fd ff ff 4c 89 95 88 fe ff ff e8 c2 43 6f 00 RSP: 0018:ffffc900040bebf8 EFLAGS: 00010246 RAX: 1ffff1100fb2c820 RBX: 0000000000000021 RCX: 1ffffffff205161e RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88807d9640e8 RBP: ffffc900040bed98 R08: 0000000000000001 R09: ffffffff90261bef R10: 0000000000000001 R11: 0000000000000000 R12: ffff88807d9640e8 R13: ffff88807d9640e8 R14: ffff88807d964100 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005620e17f6950 CR3: 0000000024178000 CR4: 0000000000350ee0 Call Trace: __cancel_work_timer+0x315/0x460 kernel/workqueue.c:3160 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0xda/0x2d0 drivers/media/usb/siano/smsusb.c:344 smsusb_init_device+0x400/0x9ce drivers/media/usb/siano/smsusb.c:419 smsusb_probe+0xbbd/0xc55 drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x278/0x6a0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x5a6/0xa50 drivers/base/dd.c:639 __driver_probe_device+0x186/0x460 drivers/base/dd.c:778 driver_probe_device+0x44/0x110 drivers/base/dd.c:808 __device_attach_driver+0x14e/0x270 drivers/base/dd.c:936 bus_for_each_drv+0x122/0x1a0 drivers/base/bus.c:427 __device_attach+0x19e/0x440 drivers/base/dd.c:1008 bus_probe_device+0x1a1/0x250 drivers/base/bus.c:487 device_add+0xa18/0x1b90 drivers/base/core.c:3479 usb_set_configuration+0xa05/0x18a0 drivers/usb/core/message.c:2171 usb_generic_driver_probe+0x78/0xa0 drivers/usb/core/generic.c:238 usb_probe_device+0x98/0x240 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x5a6/0xa50 drivers/base/dd.c:639 __driver_probe_device+0x186/0x460 drivers/base/dd.c:778 driver_probe_device+0x44/0x110 drivers/base/dd.c:808 __device_attach_driver+0x14e/0x270 drivers/base/dd.c:936 bus_for_each_drv+0x122/0x1a0 drivers/base/bus.c:427 __device_attach+0x19e/0x440 drivers/base/dd.c:1008 bus_probe_device+0x1a1/0x250 drivers/base/bus.c:487 device_add+0xa18/0x1b90 drivers/base/core.c:3479 usb_new_device.cold+0x600/0xf02 drivers/usb/core/hub.c:2573 hub_port_connect drivers/usb/core/hub.c:5405 [inline] hub_port_connect_change drivers/usb/core/hub.c:5549 [inline] port_event drivers/usb/core/hub.c:5709 [inline] hub_event+0x2450/0x3ce0 drivers/usb/core/hub.c:5791 process_one_work+0x8ba/0x14c0 kernel/workqueue.c:2289 worker_thread+0x59c/0xec0 kernel/workqueue.c:2436 kthread+0x29e/0x340 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308