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: 0 PID: 4407 at kernel/workqueue.c:3167 __flush_work+0x946/0xb60 kernel/workqueue.c:3167 Modules linked in: CPU: 0 PID: 4407 Comm: kworker/0:3 Not tainted 6.2.0-next-20230225-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:__flush_work+0x946/0xb60 kernel/workqueue.c:3167 Code: 00 48 c7 c6 9b 0e 54 81 48 c7 c7 00 77 79 8c e8 00 0c 12 00 e9 6f fc ff ff e8 e6 96 30 00 0f 0b e9 63 fc ff ff e8 da 96 30 00 <0f> 0b 45 31 ed e9 54 fc ff ff e8 bb 22 82 00 e9 3e fb ff ff e8 c1 RSP: 0018:ffffc900056fec00 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888021dfe0e8 RCX: 0000000000000000 RDX: ffff88802a5d1d40 RSI: ffffffff81540ed6 RDI: 0000000000000001 RBP: ffffc900056fed98 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888021dfe0e8 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888021dfe100 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000066c7e0 CR3: 0000000072953000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: