program: syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000297ff8208582005109bc10102030109021200010100800009048f0000bf575a00"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000400)='dummy_hcd.0\x00', 0xb) close(r1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000600)={0x3, 0x3, &(0x7f0000000000)=@framed={{0x1e, 0xa, 0xa, 0x0, 0x0, 0x79, 0x10, 0x88}}, &(0x7f0000000480)='syzkaller\x00'}, 0x80) [ 86.823325][ T5289] Bluetooth: hci0: command tx timeout [ 87.153050][ T803] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 87.303007][ T803] usb 5-1: Using ep0 maxpacket: 8 [ 87.308915][ T803] usb 5-1: config 1 has an invalid interface number: 143 but max is 0 [ 87.312819][ T803] usb 5-1: config 1 has no interface number 0 [ 87.318778][ T803] usb 5-1: New USB device found, idVendor=2058, idProduct=1005, bcdDevice=c1.9b [ 87.324162][ T803] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 87.328473][ T803] usb 5-1: Product: syz [ 87.331551][ T803] usb 5-1: Manufacturer: syz [ 87.338067][ T803] usb 5-1: SerialNumber: syz [ 87.465756][ T803] viperboard 5-1:1.143: version 0.00 found at bus 005 address 002 [ 87.496800][ T803] viperboard-i2c viperboard-i2c.3.auto: error -EIO: failure setting i2c_bus_freq to 100 [ 87.501028][ T803] viperboard-i2c viperboard-i2c.3.auto: probe with driver viperboard-i2c failed with error -5 [ 87.574651][ T5325] dummy_hcd dummy_hcd.0: remove, state 1 [ 87.588149][ T5325] usb usb5: USB disconnect, device number 1 [ 87.595942][ T5325] usb 5-1: USB disconnect, device number 2 [ 87.749279][ T5325] dummy_hcd dummy_hcd.0: stopped [ 87.755748][ T5325] dummy_hcd dummy_hcd.0: USB bus 5 deregistered [ 87.777718][ T5324] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI [ 87.782643][ T5324] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 87.786056][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.789744][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.794012][ T5324] RIP: 0010:set_link_state+0x27/0x1000 [ 87.796395][ T5324] Code: 90 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 38 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 80 41 0e fa 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 5b 73 7d fa 49 8b 16 4d 8d a6 a3 00 [ 87.804154][ T5324] RSP: 0018:ffffc9000f1dfb20 EFLAGS: 00010046 [ 87.806714][ T5324] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88801fbb0000 [ 87.809975][ T5324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 87.813268][ T5324] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 87.816510][ T5324] R10: dffffc0000000000 R11: fffff52001e3bf60 R12: 0000000000000246 [ 87.819818][ T5324] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 87.823074][ T5324] FS: 000055556d410540(0000) GS:ffff88808c53f000(0000) knlGS:0000000000000000 [ 87.826782][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.829544][ T5324] CR2: 0000555f05e95168 CR3: 0000000043f65000 CR4: 0000000000352ef0 [ 87.832875][ T5324] Call Trace: [ 87.834282][ T5324] [ 87.835563][ T5324] ? rcu_is_watching+0x15/0xb0 [ 87.837662][ T5324] ? __pfx_dummy_pullup+0x10/0x10 [ 87.839794][ T5324] dummy_pullup+0xc4/0x120 [ 87.841676][ T5324] ? __pfx_dummy_pullup+0x10/0x10 [ 87.843881][ T5324] usb_gadget_disconnect_locked+0x126/0x480 [ 87.846328][ T5324] gadget_unbind_driver+0xc2/0x410 [ 87.848510][ T5324] ? __pfx_gadget_unbind_driver+0x10/0x10 [ 87.850809][ T5324] device_release_driver_internal+0x48b/0x880 [ 87.853485][ T5324] driver_detach+0x1f3/0x2d0 [ 87.855461][ T5324] bus_remove_driver+0x226/0x320 [ 87.857512][ T5324] usb_gadget_unregister_driver+0x4e/0x70 [ 87.859938][ T5324] raw_release+0xd7/0x260 [ 87.861819][ T5324] ? __pfx_raw_release+0x10/0x10 [ 87.863993][ T5324] __fput+0x418/0xa50 [ 87.865657][ T5324] task_work_run+0x1d9/0x270 [ 87.867607][ T5324] ? __pfx_task_work_run+0x10/0x10 [ 87.869881][ T5324] exit_to_user_mode_loop+0x1fa/0x730 [ 87.872273][ T5324] ? rcu_is_watching+0x15/0xb0 [ 87.874358][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.876848][ T5324] do_syscall_64+0x353/0x580 [ 87.878733][ T5324] ? clear_bhb_loop+0x40/0x90 [ 87.880690][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.883201][ T5324] RIP: 0033:0x7f17ddf9e019 [ 87.885085][ T5324] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 87.893019][ T5324] RSP: 002b:00007ffe434637f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 87.896519][ T5324] RAX: 0000000000000000 RBX: 00007f17de227da0 RCX: 00007f17ddf9e019 [ 87.899801][ T5324] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 87.903205][ T5324] RBP: 00007f17de227da0 R08: 00007f17de226128 R09: 0000000000000000 [ 87.906598][ T5324] R10: 0000000000defba8 R11: 0000000000000246 R12: 000000000001618b [ 87.909977][ T5324] R13: 00007f17de22618c R14: 00000000000157f5 R15: 00007f17de226180 [ 87.913296][ T5324] [ 87.914644][ T5324] Modules linked in: [ 87.916343][ T5324] ---[ end trace 0000000000000000 ]--- [ 87.918647][ T5324] RIP: 0010:set_link_state+0x27/0x1000 [ 87.921017][ T5324] Code: 90 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 38 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 80 41 0e fa 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 5b 73 7d fa 49 8b 16 4d 8d a6 a3 00 [ 87.929153][ T5324] RSP: 0018:ffffc9000f1dfb20 EFLAGS: 00010046 [ 87.931755][ T5324] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88801fbb0000 [ 87.935143][ T5324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 87.938425][ T5324] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 87.941788][ T5324] R10: dffffc0000000000 R11: fffff52001e3bf60 R12: 0000000000000246 [ 87.945174][ T5324] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 87.948499][ T5324] FS: 000055556d410540(0000) GS:ffff88808c53f000(0000) knlGS:0000000000000000 [ 87.952281][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.955081][ T5324] CR2: 0000555f05e95168 CR3: 0000000043f65000 CR4: 0000000000352ef0 [ 87.958389][ T5324] Kernel panic - not syncing: Fatal exception [ 87.961270][ T5324] Kernel Offset: disabled [ 87.963155][ T5324] Rebooting in 86400 seconds..