DUID 00:04:17:4d:40:87:6e:bf:2d:0e:65:92:c1:2a:fb:91:5f:79 forked to background, child pid 3170 [ 33.424876][ T3171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.441806][ T3171] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.179' (ECDSA) to the list of known hosts. syzkaller login: [ 53.183601][ T1065] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 53.423576][ T1065] usb 1-1: Using ep0 maxpacket: 16 [ 53.703773][ T1065] usb 1-1: New USB device found, idVendor=2040, idProduct=c0a0, bcdDevice= 9.80 [ 53.713334][ T1065] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 53.721462][ T1065] usb 1-1: Product: syz [ 53.725800][ T1065] usb 1-1: Manufacturer: syz [ 53.730419][ T1065] usb 1-1: SerialNumber: syz [ 53.741435][ T1065] usb 1-1: config 0 descriptor?? [ 53.786243][ T1065] smsusb:smsusb_probe: board id=8, interface number 0 [ 53.793203][ T1065] ------------[ cut here ]------------ [ 53.798749][ T1065] WARNING: CPU: 1 PID: 1065 at kernel/workqueue.c:3083 __flush_work+0x196/0x1a0 [ 53.807917][ T1065] Modules linked in: [ 53.811839][ T1065] CPU: 1 PID: 1065 Comm: kworker/1:2 Not tainted 5.15.103-syzkaller #0 [ 53.820248][ T1065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 53.830467][ T1065] Workqueue: usb_hub_wq hub_event [ 53.835584][ T1065] RIP: 0010:__flush_work+0x196/0x1a0 [ 53.840894][ T1065] 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 43 79 2d 00 0f 0b eb ab e8 3a 79 2d 00 <0f> 0b eb a2 e8 41 d9 cf 08 90 53 48 89 fb e8 27 79 2d 00 48 89 df [ 53.860772][ T1065] RSP: 0018:ffffc900045c6880 EFLAGS: 00010293 [ 53.866910][ T1065] RAX: ffffffff8152ff96 RBX: ffff88801d31e100 RCX: ffff88801c17ba00 [ 53.875068][ T1065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900045c6948 [ 53.883162][ T1065] RBP: ffffc900045c69f0 R08: dffffc0000000000 R09: ffffc900045c68a0 [ 53.891232][ T1065] R10: 0000000000000001 R11: dffffc0000000001 R12: ffff88801d31e0e8 [ 53.899305][ T1065] R13: dffffc0000000000 R14: 1ffff920008b8d10 R15: 0000000000000001 [ 53.907391][ T1065] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 53.916418][ T1065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.923136][ T1065] CR2: 00007ffc4a723890 CR3: 000000007ac88000 CR4: 00000000003506e0 [ 53.931272][ T1065] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.939318][ T1065] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.949760][ T1065] Call Trace: [ 53.953068][ T1065] [ 53.956103][ T1065] ? flush_work+0x20/0x20 [ 53.960642][ T1065] ? print_irqtrace_events+0x210/0x210 [ 53.966174][ T1065] ? usb_probe_interface+0x5c0/0xaf0 [ 53.971488][ T1065] ? __cancel_work_timer+0x467/0x6a0 [ 53.977503][ T1065] __cancel_work_timer+0x519/0x6a0 [ 53.982668][ T1065] ? __device_attach_driver+0x