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: 1757 at kernel/workqueue.c:3182 __flush_work+0x946/0xb60 kernel/workqueue.c:3182 Modules linked in: CPU: 1 PID: 1757 Comm: kworker/1:2 Not tainted 6.4.0-rc3-syzkaller-00004-g421ca22e3138 #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+0x946/0xb60 kernel/workqueue.c:3182 Code: 00 48 c7 c6 9b f7 53 81 48 c7 c7 40 90 79 8c e8 d0 ec 11 00 e9 6f fc ff ff e8 06 4b 30 00 0f 0b e9 63 fc ff ff e8 fa 4a 30 00 <0f> 0b 45 31 ed e9 54 fc ff ff e8 db 14 83 00 e9 3e fb ff ff e8 e1 RSP: 0018:ffffc90006196c08 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88807e1be0e8 RCX: 0000000000000000 RDX: ffff888022c25940 RSI: ffffffff8153f7d6 RDI: 0000000000000001 RBP: ffffc90006196da0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff81d6e472 R12: ffff88807e1be0e8 R13: 0000000000000001 R14: 0000000000000001 R15: ffff88807e1be100 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005604c5dceff0 CR3: 0000000023251000 CR4: 0000000000350ee0 Call Trace: