program:
r0 = socket(0x10, 0x2, 0x5)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
r1 = open(&(0x7f0000000200)='./file1\x00', 0x4827e, 0x20)
fallocate(r1, 0x0, 0x0, 0x8800000)
write$cgroup_subtree(r1, &(0x7f0000000200)={[{0x2b, 'cpuacct'}, {0x2d, 'devices'}, {0x2b, 'net_prio'}, {0x2d, 'net'}, {0x2b, 'cpuset'}, {0x2d, 'cpuset'}, {0x2d, 'pids'}, {0x2d, 'io'}, {0x2d, 'net_prio'}]}, 0x45)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/midi2.usb0\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/functions/midi2.usb0/ep.0/block.0/direction\x00', 0x2, 0x0)
write(r2, &(0x7f0000000400)='1', 0x1)
symlinkat(&(0x7f0000000440)='./config/usb_gadget/g1/functions/midi2.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000480)='./config/usb_gadget/g1/configs/c.1/midi2.usb0\x00')
r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0)
write(r3, &(0x7f0000000500)='dummy_udc.0', 0xb)
setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000000)={0xf5, 0x7ffd}, 0x8)
r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000080), 0xffffffffffffffff)
r5 = socket$inet_sctp(0x2, 0x1, 0x84)
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000024917720042322023f77010203010902120001000010000904"], 0x0)
r6 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x3, 0xe, &(0x7f00000021c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000b80)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xfffffedf, 0x10, &(0x7f0000000040)}, 0x48)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000680)={r6, 0x0, 0xe, 0x0, &(0x7f0000000300)="14fd54ab72df97e6256c00000000", 0x0, 0xfeff, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
r7 = syz_open_dev$I2C(&(0x7f0000000040), 0x2, 0x20002)
ioctl$I2C_RDWR(r7, 0x707, &(0x7f0000000080)={&(0x7f00000003c0)=[{0x3, 0x2801, 0x0, 0x0}, {0xb, 0x1, 0x0, 0x0}], 0x2})
getsockopt$inet_pktinfo(r5, 0x0, 0x50, 0x0, &(0x7f0000000040)=0x54)
sendmsg$ETHTOOL_MSG_COALESCE_SET(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000400)={&(0x7f00000000c0)={0x20, r4, 0x1, 0x0, 0x0, {0xa}, [@ETHTOOL_A_COALESCE_HEADER={0x4}, @ETHTOOL_A_COALESCE_TX_USECS_IRQ={0x8, 0x8, 0xfffffffe}]}, 0x20}}, 0x0)
led to load regulatory.db
[ 93.552098][ T4650] Bluetooth: hci0: command tx timeout
[ 94.347142][ T5326] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 94.363598][ T5326] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 94.586806][ T10] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 94.734487][ T10] usb 5-1: New USB device found, idVendor=0000, idProduct=0000, bcdDevice= 7.03
[ 94.740704][ T10] usb 5-1: Dual-Role OTG device on HNP port
[ 94.743828][ T10] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 94.793770][ T10] gspca_main: spca501-2.14.0 probing 0000:0000
[ 94.801352][ T10] gspca_spca501: reg write: error -32
[ 94.806635][ T10] spca501 5-1:1.0: Reg write failed for 0x02,0x0f,0x05
[ 94.812046][ T10] spca501 5-1:1.0: probe with driver spca501 failed with error -22
[ 94.824910][ C0] Oops: general protection fault, probably for non-canonical address 0xdffffc00000000e6: 0000 [#1] SMP KASAN NOPTI
[ 94.830122][ C0] KASAN: null-ptr-deref in range [0x0000000000000730-0x0000000000000737]
[ 94.833667][ C0] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full)
[ 94.837538][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.842068][ C0] Workqueue: usb_hub_wq hub_event
[ 94.844390][ C0] RIP: 0010:f_midi2_stop_eps+0x28e/0x4d0
[ 94.846775][ C0] Code: 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 17 b8 5a fa 41 bf 30 07 00 00 4d 03 3e 4c 89 f8 48 c1 e8 03 48 89 44 24 18 <42> 0f b6 04 28 84 c0 0f 85 12 02 00 00 41 8b 1f 31 ff 89 de e8 e9
[ 94.854798][ C0] RSP: 0018:ffffc90000007930 EFLAGS: 00010002
[ 94.857347][ C0] RAX: 00000000000000e6 RBX: ffff888050ef0120 RCX: ffff88801b732580
[ 94.861018][ C0] RDX: 8000000000000100 RSI: 0000000000000100 RDI: ffffffff8c6da420
[ 94.864387][ C0] RBP: ffff888050ef0100 R08: 000000001ee78063 R09: 000000003cae319a
[ 94.867528][ C0] R10: 0000000000000010 R11: ffffffff8ed5c6e0 R12: ffff888050ef0730
[ 94.871042][ C0] R13: dffffc0000000000 R14: ffff888050ef0128 R15: 0000000000000730
[ 94.874562][ C0] FS: 0000000000000000(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000
[ 94.878428][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 94.881309][ C0] CR2: 00007f96906a40f5 CR3: 000000003fdcb000 CR4: 0000000000352ef0
[ 94.884806][ C0] Call Trace:
[ 94.886404][ C0]
[ 94.887693][ C0] f_midi2_set_alt+0x11c/0xf00
[ 94.889833][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 94.892265][ C0] composite_setup+0x1ffd/0x3480
[ 94.894369][ C0] configfs_composite_setup+0xc7/0x100
[ 94.896761][ C0] dummy_timer+0x2f43/0x4cf0
[ 94.898736][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 94.901073][ C0] ? __pfx_dummy_timer+0x10/0x10
[ 94.903219][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 94.905733][ C0] ? __pfx_dummy_timer+0x10/0x10
[ 94.907955][ C0] __hrtimer_run_queues+0x3bc/0xa10
[ 94.910236][ C0] hrtimer_run_softirq+0x1e3/0x2e0
[ 94.912442][ C0] handle_softirqs+0x226/0x860
[ 94.914782][ C0] ? __irq_exit_rcu+0xcb/0x220
[ 94.916896][ C0] __irq_exit_rcu+0xcb/0x220
[ 94.918979][ C0] irq_exit_rcu+0x9/0x30
[ 94.920882][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0
[ 94.923667][ C0]
[ 94.925301][ C0]
[ 94.926931][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 94.930001][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80
[ 94.932820][ C0] Code: f7 e8 5d a5 ba f5 f7 c3 00 02 00 00 74 05 e8 60 f3 e6 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 f4 be ab f5 65 48 8b 05 9c 11 ac 07 48 85 c0 74 18 5b 41 5e c3
[ 94.941220][ C0] RSP: 0018:ffffc9000023e730 EFLAGS: 00000206
[ 94.943769][ C0] RAX: 0000000000000006 RBX: 0000000000000246 RCX: 8000000000000001
[ 94.947013][ C0] RDX: 0000000000000006 RSI: ffffffff8e477b96 RDI: 0000000000000001
[ 94.950227][ C0] RBP: 0000000000000007 R08: ffffffff907a3c7f R09: 1ffffffff20f478f
[ 94.953411][ C0] R10: dffffc0000000000 R11: fffffbfff20f4790 R12: 0000000000000000
[ 94.956767][ C0] R13: dffffc0000000000 R14: ffff888034120000 R15: 1ffff11003ebf094
[ 94.960068][ C0] dummy_urb_enqueue+0x587/0x780
[ 94.962200][ C0] usb_hcd_submit_urb+0x328/0x1b60
[ 94.964420][ C0] usb_start_wait_urb+0x13f/0x5b0
[ 94.966466][ C0] ? __pfx_usb_start_wait_urb+0x10/0x10
[ 94.968652][ C0] usb_control_msg+0x234/0x3e0
[ 94.970579][ C0] usb_set_interface+0x521/0x1470
[ 94.972557][ C0] ? __kmalloc_cache_noprof+0x14d/0x600
[ 94.974787][ C0] snd_usb_midi_v2_create+0x621/0x4ac0
[ 94.977021][ C0] ? __pfx_proc_audio_usbid_read+0x10/0x10
[ 94.979465][ C0] ? snd_card_rw_proc_new+0x10d/0x140
[ 94.981857][ C0] ? __pfx_snd_usb_midi_v2_create+0x10/0x10
[ 94.984472][ C0] ? usb_ifnum_to_if+0x262/0x2f0
[ 94.986662][ C0] snd_usb_create_stream+0x262/0x630
[ 94.988981][ C0] usb_audio_probe+0x144c/0x2240
[ 94.991212][ C0] ? __pfx_usb_audio_probe+0x10/0x10
[ 94.993568][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 94.996210][ C0] usb_probe_interface+0x788/0xe50
[ 94.998398][ C0] ? __pfx_usb_probe_interface+0x10/0x10
[ 95.000789][ C0] ? sysfs_do_create_link_sd+0xe0/0x110
[ 95.003185][ C0] ? driver_sysfs_add+0x1fe/0x210
[ 95.005396][ C0] ? __pfx_usb_probe_interface+0x10/0x10
[ 95.007772][ C0] really_probe+0x254/0xae0
[ 95.009758][ C0] __driver_probe_device+0x1e8/0x360
[ 95.012025][ C0] driver_probe_device+0x4f/0x240
[ 95.014116][ C0] __device_attach_driver+0x270/0x410
[ 95.016005][ C0] bus_for_each_drv+0x258/0x2f0
[ 95.018124][ C0] ? __pfx___device_attach_driver+0x10/0x10
[ 95.020627][ C0] ? __pfx_bus_for_each_drv+0x10/0x10
[ 95.022923][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 95.025635][ C0] __device_attach+0x2c4/0x450
[ 95.027739][ C0] ? __pfx___device_attach+0x10/0x10
[ 95.030003][ C0] ? do_raw_spin_unlock+0x4d/0x200
[ 95.032345][ C0] ? _raw_spin_unlock+0x28/0x50
[ 95.034406][ C0] device_initial_probe+0xa1/0xd0
[ 95.036481][ C0] bus_probe_device+0x12a/0x220
[ 95.038512][ C0] device_add+0x7d7/0xb80
[ 95.040359][ C0] usb_set_configuration+0x1ad8/0x2180
[ 95.042696][ C0] usb_generic_driver_probe+0x8d/0x150
[ 95.045033][ C0] usb_probe_device+0x1c3/0x3b0
[ 95.047052][ C0] ? __pfx_usb_probe_device+0x10/0x10
[ 95.049237][ C0] really_probe+0x254/0xae0
[ 95.051269][ C0] __driver_probe_device+0x1e8/0x360
[ 95.053517][ C0] driver_probe_device+0x4f/0x240
[ 95.055607][ C0] __device_attach_driver+0x270/0x410
[ 95.057808][ C0] bus_for_each_drv+0x258/0x2f0
[ 95.059942][ C0] ? __pfx___device_attach_driver+0x10/0x10
[ 95.062534][ C0] ? __pfx_bus_for_each_drv+0x10/0x10
[ 95.064826][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 95.067384][ C0] __device_attach+0x2c4/0x450
[ 95.069444][ C0] ? __pfx___device_attach+0x10/0x10
[ 95.071729][ C0] ? do_raw_spin_unlock+0x4d/0x200
[ 95.073851][ C0] ? _raw_spin_unlock+0x28/0x50
[ 95.075969][ C0] device_initial_probe+0xa1/0xd0
[ 95.078105][ C0] bus_probe_device+0x12a/0x220
[ 95.080239][ C0] device_add+0x7d7/0xb80
[ 95.082126][ C0] usb_new_device+0x9aa/0x1690
[ 95.084063][ C0] ? __pfx_usb_new_device+0x10/0x10
[ 95.086264][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 95.088475][ C0] hub_event+0x28e8/0x4d30
[ 95.090362][ C0] ? do_raw_spin_unlock+0x4d/0x200
[ 95.092835][ C0] ? __pfx_hub_event+0x10/0x10
[ 95.094926][ C0] ? rcu_is_watching+0x16/0xb0
[ 95.096977][ C0] ? process_scheduled_works+0x97a/0x1630
[ 95.099376][ C0] process_scheduled_works+0xc3d/0x1630
[ 95.101936][ C0] ? __pfx_process_scheduled_works+0x10/0x10
[ 95.104492][ C0] ? assign_work+0x3cf/0x5d0
[ 95.106598][ C0] worker_thread+0xa47/0xfb0
[ 95.108659][ C0] kthread+0x38b/0x480
[ 95.110480][ C0] ? __pfx_worker_thread+0x10/0x10
[ 95.112651][ C0] ? __pfx_kthread+0x10/0x10
[ 95.114703][ C0] ret_from_fork+0x514/0xb70
[ 95.116717][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 95.118884][ C0] ? __switch_to+0xc89/0x1420
[ 95.120891][ C0] ? __pfx_kthread+0x10/0x10
[ 95.122853][ C0] ret_from_fork_asm+0x1a/0x30
[ 95.124943][ C0]
[ 95.126322][ C0] Modules linked in:
[ 95.128003][ C0] ---[ end trace 0000000000000000 ]---
[ 95.130874][ C0] RIP: 0010:f_midi2_stop_eps+0x28e/0x4d0
[ 95.130901][ C0] Code: 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 17 b8 5a fa 41 bf 30 07 00 00 4d 03 3e 4c 89 f8 48 c1 e8 03 48 89 44 24 18 <42> 0f b6 04 28 84 c0 0f 85 12 02 00 00 41 8b 1f 31 ff 89 de e8 e9
[ 95.130912][ C0] RSP: 0018:ffffc90000007930 EFLAGS: 00010002
[ 95.130924][ C0] RAX: 00000000000000e6 RBX: ffff888050ef0120 RCX: ffff88801b732580
[ 95.130932][ C0] RDX: 8000000000000100 RSI: 0000000000000100 RDI: ffffffff8c6da420
[ 95.130940][ C0] RBP: ffff888050ef0100 R08: 000000001ee78063 R09: 000000003cae319a
[ 95.130948][ C0] R10: 0000000000000010 R11: ffffffff8ed5c6e0 R12: ffff888050ef0730
[ 95.130956][ C0] R13: dffffc0000000000 R14: ffff888050ef0128 R15: 0000000000000730
[ 95.130964][ C0] FS: 0000000000000000(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000
[ 95.130973][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 95.130980][ C0] CR2: 00007f96906a40f5 CR3: 000000003fdcb000 CR4: 0000000000352ef0
[ 95.131028][ C0] Kernel panic - not syncing: Fatal exception in interrupt
[ 95.176461][ C0] Kernel Offset: disabled
[ 95.178374][ C0] Rebooting in 86400 seconds..