usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 2-1: Product: syz usb 2-1: Manufacturer: syz usb 2-1: SerialNumber: syz usb 2-1: config 0 descriptor?? smsusb:smsusb_probe: board id=9, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8923 at kernel/workqueue.c:3066 __flush_work+0x196/0x1a0 Modules linked in: CPU: 0 PID: 8923 Comm: kworker/0:29 Not tainted 6.1.31-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:__flush_work+0x196/0x1a0 kernel/workqueue.c:3066 Code: 00 00 00 48 3b 8c 24 20 01 00 00 75 21 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 73 83 30 00 0f 0b eb ab e8 6a 83 30 00 <0f> 0b eb a2 e8 b1 95 29 09 90 53 48 89 fb e8 57 83 30 00 48 89 df RSP: 0018:ffffc900151de880 EFLAGS: 00010283 RAX: ffffffff81595206 RBX: ffff888093610100 RCX: 0000000000040000 RDX: ffffc90013c1f000 RSI: 000000000001e718 RDI: 000000000001e719 RBP: ffffc900151de9f0 R08: dffffc0000000000 R09: ffffc900151de8a0 R10: 0000000000000001 R11: dffffc0000000001 R12: ffff8880936100e8 R13: dffffc0000000000 R14: 1ffff92002a3bd10 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd0d27831b8 CR3: 0000000089103000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3160 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0xba/0x240 drivers/media/usb/siano/smsusb.c:344 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline] smsusb_probe+0xfed/0x20a0 drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x5c0/0xaf0 drivers/usb/core/driver.c:396 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:783 driver_probe_device+0x50/0x420 drivers/base/dd.c:813 __device_attach_driver+0x2cf/0x510 drivers/base/dd.c:941 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:1013 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3664 usb_set_configuration+0x19dd/0x2020 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x84/0x140 drivers/usb/core/generic.c:238 usb_probe_device+0x130/0x260 drivers/usb/core/driver.c:293 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:783 driver_probe_device+0x50/0x420 drivers/base/dd.c:813 __device_attach_driver+0x2cf/0x510 drivers/base/dd.c:941 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:1013 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3664 usb_new_device+0xbdd/0x18e0 drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5355 [inline] hub_port_connect_change drivers/usb/core/hub.c:5499 [inline] port_event drivers/usb/core/hub.c:5655 [inline] hub_event+0x2d4d/0x57b0 drivers/usb/core/hub.c:5737 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306