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=18, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6846 at kernel/workqueue.c:3182 __flush_work+0x946/0xb60 kernel/workqueue.c:3182 Modules linked in: CPU: 1 PID: 6846 Comm: kworker/1:5 Not tainted 6.4.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:__flush_work+0x946/0xb60 kernel/workqueue.c:3182 Code: 00 48 c7 c6 8b 18 53 81 48 c7 c7 00 61 79 8c e8 50 f0 11 00 e9 6f fc ff ff e8 f6 4e 30 00 0f 0b e9 63 fc ff ff e8 ea 4e 30 00 <0f> 0b 45 31 ed e9 54 fc ff ff e8 7b 23 82 00 e9 3e fb ff ff e8 d1 RSP: 0018:ffffc900066dec08 EFLAGS: 00010216 RAX: 0000000000035482 RBX: ffff88802d1c60e8 RCX: ffffc9001425a000 RDX: 0000000000040000 RSI: ffffffff815318c6 RDI: 0000000000000001 RBP: ffffc900066deda0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff81d514b3 R12: ffff88802d1c60e8 R13: 0000000000000001 R14: 0000000000000001 R15: ffff88802d1c6100 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020027000 CR3: 0000000078d9f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __cancel_work_timer+0x3f9/0x570 kernel/workqueue.c:3276 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline] smsusb_term_device+0xef/0x300 drivers/media/usb/siano/smsusb.c:344 smsusb_init_device+0xb70/0xd20 drivers/media/usb/siano/smsusb.c:419 smsusb_probe+0x5b9/0x10b0 drivers/media/usb/siano/smsusb.c:567 usb_probe_interface+0x30f/0x960 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x240/0xca0 drivers/base/dd.c:658 __driver_probe_device+0x1df/0x4b0 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830 __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:958 bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x112d/0x1a40 drivers/base/core.c:3625 usb_set_configuration+0x1196/0x1bc0 drivers/usb/core/message.c:2211 usb_generic_driver_probe+0xcf/0x130 drivers/usb/core/generic.c:238 usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x240/0xca0 drivers/base/dd.c:658 __driver_probe_device+0x1df/0x4b0 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830 __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:958 bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x112d/0x1a40 drivers/base/core.c:3625 usb_new_device+0xcb2/0x19d0 drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x2d9e/0x4e40 drivers/usb/core/hub.c:5793 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308