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=8, interface number 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 154 at kernel/workqueue.c:3066 __flush_work+0x196/0x1a0 Modules linked in: CPU: 1 PID: 154 Comm: kworker/1:2 Not tainted 6.1.27-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 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 c3 76 30 00 0f 0b eb ab e8 ba 76 30 00 <0f> 0b eb a2 e8 b1 26 28 09 90 53 48 89 fb e8 a7 76 30 00 48 89 df RSP: 0018:ffffc90002e5e880 EFLAGS: 00010293 RAX: ffffffff81595206 RBX: ffff88807a45e100 RCX: ffff888015be9d40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90002e5e948 RBP: ffffc90002e5e9f0 R08: dffffc0000000000 R09: ffffc90002e5e8a0 R10: 0000000000000001 R11: dffffc0000000001 R12: ffff88807a45e0e8 R13: dffffc0000000000 R14: 1ffff920005cbd10 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005587f73cc048 CR3: 00000000276d4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3160