program: r0 = syz_mount_image$vfat(&(0x7f0000000080), &(0x7f0000000040)='./file0\x00', 0x804, &(0x7f00000002c0)=ANY=[@ANYBLOB="73686f72746e616d653d77696e39352c73686f72746e616d653d6c6f7765722c757466383d312c757466383d302c636865636b3d72656c617865642c726f6469722c636865636b3d7374726963742c73686f72746e616d653d77696e39352c666d61736b3d30303030303030303030303030303030303030303030352c636f6465706167653d3835352c6e6f6e756d7461696c3d302c696f636861727365743d6b6f6938ffffff7f73686f72746e616d653d77696e39352c73686f72746e616d653d77696e6e742c747a3d5554432c00"], 0x1, 0x276, &(0x7f0000000a40)="$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") mkdir(&(0x7f0000000000)='./file0\x00', 0x0) (async) syz_usb_connect(0x1, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="64646422fdf500fa2ad8", @ANYRES8=r0], 0x0) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) (async) prctl$PR_SET_MM(0x1e, 0x0, &(0x7f0000ffc000/0x4000)=nil) (async) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb) (async) r2 = syz_open_dev$vim2m(&(0x7f0000000080), 0x3fe, 0x2) ioctl$vim2m_VIDIOC_REQBUFS(r2, 0xc0145608, &(0x7f0000000040)={0x80000001, 0x1, 0x4}) add_key$keyring(&(0x7f00000000c0), 0x0, 0x0, 0x0, 0xffffffffffffffff) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=@newqdisc={0x37}, 0x24}}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/pids.max\x00', 0x2, 0x0) write$cgroup_pid(r3, &(0x7f0000000080), 0x12) (async) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x57) (async) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x24004045) (async) r4 = io_uring_setup(0x899, &(0x7f0000000040)={0x0, 0x3cb1, 0x1c080, 0xa, 0x20002f7}) (async) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000040)={0x1c, 0x3, &(0x7f0000000000)=@framed={{0xdb, 0xa, 0xa, 0xfe00, 0xa0, 0x71, 0x10, 0x1d}}, 0x0, 0xb, 0x0, 0x0, 0x0, 0x6f, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x3}, 0x94) io_uring_enter(r4, 0x2219, 0x7721, 0x16, 0x0, 0x0) (async) ioctl$vim2m_VIDIOC_STREAMOFF(r2, 0x40045612, &(0x7f0000000240)=0x1) close(0x3) (async) close(r1) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000300)='.\x00', 0x1, 0x0) write(r5, &(0x7f0000000400)='dummy_hcd.0\x00', 0xb) close(r5) [ 94.299489][ T5273] Bluetooth: hci0: command tx timeout [ 94.396687][ T5312] loop0: detected capacity change from 0 to 256 [ 94.504391][ T5312] FAT-fs (loop0): IO charset koi8ÿÿÿshortname=win95 not found [ 94.651267][ T5312] dummy_hcd dummy_hcd.0: remove, state 1 [ 94.664429][ T5311] cgroup: fork rejected by pids controller in /syz0 [ 94.701336][ T1168] hub 5-0:1.0: activate --> -108 [ 94.705977][ T5312] usb usb5: USB disconnect, device number 1 [ 94.842125][ T5312] dummy_hcd dummy_hcd.0: stopped [ 94.853257][ T5312] dummy_hcd dummy_hcd.0: USB bus 5 deregistered [ 94.893738][ T5311] pthread_create failed [ 94.893777][ T5311] (errno 11) [ 94.928860][ T5312] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI [ 94.933637][ T5312] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 94.936912][ T5312] CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.940542][ T5312] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.944728][ T5312] RIP: 0010:set_link_state+0x27/0x1000 [ 94.946928][ T5312] 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 00 89 09 fa 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 4b d1 7a fa 49 8b 16 4d 8d a6 a3 00 [ 94.954975][ T5312] RSP: 0018:ffffc9000dc7f780 EFLAGS: 00010046 [ 94.957381][ T5312] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888033f92580 [ 94.960618][ T5312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 94.963909][ T5312] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 94.967048][ T5312] R10: dffffc0000000000 R11: fffff52001b8feec R12: 0000000000000246 [ 94.970436][ T5312] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 94.973625][ T5312] FS: 0000000000000000(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000 [ 94.977419][ T5312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.980181][ T5312] CR2: 00007fff9b4507e8 CR3: 000000004fa31000 CR4: 0000000000352ef0 [ 94.984371][ T5312] Call Trace: [ 94.985891][ T5312] [ 94.987190][ T5312] ? rcu_is_watching+0x16/0xb0 [ 94.989359][ T5312] ? __pfx_dummy_pullup+0x10/0x10 [ 94.991492][ T5312] dummy_pullup+0xc4/0x120 [ 94.993417][ T5312] ? __pfx_dummy_pullup+0x10/0x10 [ 94.995693][ T5312] usb_gadget_disconnect_locked+0x126/0x480 [ 94.998211][ T5312] gadget_unbind_driver+0xc2/0x410 [ 95.000342][ T5312] ? __pfx_gadget_unbind_driver+0x10/0x10 [ 95.002725][ T5312] device_release_driver_internal+0x48b/0x880 [ 95.005182][ T5312] driver_detach+0x1f3/0x2d0 [ 95.007004][ T5312] bus_remove_driver+0x226/0x320 [ 95.009093][ T5312] usb_gadget_unregister_driver+0x4e/0x70 [ 95.011467][ T5312] raw_release+0xd7/0x260 [ 95.013260][ T5312] ? __pfx_raw_release+0x10/0x10 [ 95.015397][ T5312] __fput+0x418/0xa50 [ 95.017250][ T5312] task_work_run+0x1d9/0x270 [ 95.019199][ T5312] ? __pfx_task_work_run+0x10/0x10 [ 95.021401][ T5312] ? do_raw_spin_unlock+0x4d/0x200 [ 95.023568][ T5312] do_exit+0x73a/0x2360 [ 95.025365][ T5312] ? __pfx_do_exit+0x10/0x10 [ 95.027303][ T5312] ? do_raw_spin_lock+0x12b/0x2f0 [ 95.029416][ T5312] do_group_exit+0x22d/0x2f0 [ 95.031344][ T5312] ? _raw_spin_unlock_irq+0x23/0x50 [ 95.033555][ T5312] get_signal+0x121b/0x12c0 [ 95.035561][ T5312] arch_do_signal_or_restart+0xbb/0x860 [ 95.037590][ T5312] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 95.040103][ T5312] ? ksys_write+0x242/0x270 [ 95.041930][ T5312] exit_to_user_mode_loop+0x10e/0x770 [ 95.044340][ T5312] ? rcu_is_watching+0x16/0xb0 [ 95.046596][ T5312] do_syscall_64+0x328/0x520 [ 95.048571][ T5312] ? trace_irq_disable+0x3b/0x140 [ 95.050756][ T5312] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.053420][ T5312] ? clear_bhb_loop+0x70/0xc0 [ 95.055479][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.057968][ T5312] RIP: 0033:0x7ff722b9e0d9 [ 95.059970][ T5312] Code: Unable to access opcode bytes at 0x7ff722b9e0af. [ 95.062973][ T5312] RSP: 002b:00007ff723b03fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.066443][ T5312] RAX: 000000000000000b RBX: 00007ff722e25fa0 RCX: 00007ff722b9e0d9 [ 95.069756][ T5312] RDX: 000000000000000b RSI: 0000200000000200 RDI: 0000000000000004 [ 95.072950][ T5312] RBP: 00007ff722c35024 R08: 0000000000000000 R09: 0000000000000000 [ 95.076244][ T5312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.079609][ T5312] R13: 00007ff722e26038 R14: 00007ff722e25fa0 R15: 00007ffc88b86a78 [ 95.082851][ T5312] [ 95.084172][ T5312] Modules linked in: [ 95.085896][ T5312] ---[ end trace 0000000000000000 ]--- [ 95.088226][ T5312] RIP: 0010:set_link_state+0x27/0x1000 [ 95.090551][ T5312] 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 00 89 09 fa 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 4b d1 7a fa 49 8b 16 4d 8d a6 a3 00 [ 95.099046][ T5312] RSP: 0018:ffffc9000dc7f780 EFLAGS: 00010046 [ 95.102089][ T5312] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888033f92580 [ 95.105465][ T5312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 95.108871][ T5312] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 95.111835][ T5312] R10: dffffc0000000000 R11: fffff52001b8feec R12: 0000000000000246 [ 95.115269][ T5312] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 95.118730][ T5312] FS: 0000000000000000(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000 [ 95.122495][ T5312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.125355][ T5312] CR2: 00007fff9b4507e8 CR3: 000000004fa31000 CR4: 0000000000352ef0 [ 95.129045][ T5312] Kernel panic - not syncing: Fatal exception [ 95.132134][ T5312] Kernel Offset: disabled [ 95.134059][ T5312] Rebooting in 86400 seconds..