program:
r0 = openat$comedi(0xffffff9c, &(0x7f0000000040)='/dev/comedi3\x00', 0x2000, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, &(0x7f0000000140)={'c6xdigio\x00', [0xffff4a86, 0x2166, 0x2, 0x101, 0x2925, 0x2fe, 0x6, 0x13, 0x1, 0x4, 0x200, 0xfff, 0x342, 0x6, 0x10000002, 0x200, 0x7, 0x3, 0x3, 0x1, 0x4, 0x0, 0x80400080, 0x4, 0x1, 0x1, 0xb0c4, 0x61, 0x8, 0xf3, 0x1]})
[ 85.257608][ T5341] Bluetooth: hci0: command tx timeout
[ 85.314983][ T5363] comedi comedi3: c6xdigio: I/O port conflict (0xffffffffffff4a86,3)
[ 85.318527][ T5363] ------------[ cut here ]------------
[ 85.321009][ T5363] Unexpected driver unregister!
[ 85.354278][ T5363] WARNING: CPU: 0 PID: 5363 at drivers/base/driver.c:273 driver_unregister+0x94/0xb0
[ 85.358906][ T5363] Modules linked in:
[ 85.360660][ T5363] CPU: 0 UID: 0 PID: 5363 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 85.364737][ T5363] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 85.369377][ T5363] RIP: 0010:driver_unregister+0x94/0xb0
[ 85.371693][ T5363] Code: 90 5d fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 41 2a bd fb eb 05 e8 3a 2a bd fb 90 48 c7 c7 00 0e 0a 8c e8 9d b6 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 7e 07 7c 05 cc cc cc cc cc cc cc cc
[ 85.379976][ T5363] RSP: 0018:ffffc9000d317a40 EFLAGS: 00010246
[ 85.382837][ T5363] RAX: cf143e81733b4400 RBX: ffffffff8f3f83c0 RCX: 0000000000100000
[ 85.386355][ T5363] RDX: ffffc9000e3d2000 RSI: 0000000000000fa2 RDI: 0000000000000fa3
[ 85.389720][ T5363] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 85.393364][ T5363] R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffff88803e857038
[ 85.396714][ T5363] R13: ffffffff8f3f8310 R14: 0000000000000000 R15: dffffc0000000000
[ 85.400088][ T5363] FS: 00007f9b551eb6c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
[ 85.404115][ T5363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.406974][ T5363] CR2: 00007f677a6a01f8 CR3: 0000000043210000 CR4: 0000000000352ef0
[ 85.410364][ T5363] Call Trace:
[ 85.411846][ T5363]
[ 85.413287][ T5363] comedi_device_detach_locked+0x175/0x750
[ 85.415829][ T5363] comedi_device_attach+0x5d4/0x720
[ 85.418147][ T5363] comedi_unlocked_ioctl+0x5ff/0x1020
[ 85.420485][ T5363] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 85.423184][ T5363] ? __lock_acquire+0xab9/0xd20
[ 85.425488][ T5363] ? __fget_files+0x2a/0x420
[ 85.427513][ T5363] ? __fget_files+0x2a/0x420
[ 85.429656][ T5363] ? __fget_files+0x3a0/0x420
[ 85.431826][ T5363] ? __fget_files+0x2a/0x420
[ 85.434140][ T5363] ? bpf_lsm_file_ioctl+0x9/0x20
[ 85.436358][ T5363] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 85.438888][ T5363] __se_sys_ioctl+0xf9/0x170
[ 85.440880][ T5363] do_syscall_64+0xfa/0x3b0
[ 85.443163][ T5363] ? lockdep_hardirqs_on+0x9c/0x150
[ 85.445485][ T5363] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.448143][ T5363] ? clear_bhb_loop+0x60/0xb0
[ 85.450152][ T5363] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.452876][ T5363] RIP: 0033:0x7f9b5438ebe9
[ 85.454975][ T5363] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 85.464198][ T5363] RSP: 002b:00007f9b551eb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 85.467992][ T5363] RAX: ffffffffffffffda RBX: 00007f9b545c5fa0 RCX: 00007f9b5438ebe9
[ 85.471719][ T5363] RDX: 0000200000000140 RSI: 0000000040946400 RDI: 0000000000000003
[ 85.475764][ T5363] RBP: 00007f9b54411e19 R08: 0000000000000000 R09: 0000000000000000
[ 85.479130][ T5363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.482476][ T5363] R13: 00007f9b545c6038 R14: 00007f9b545c5fa0 R15: 00007ffeb386dd48
[ 85.485718][ T5363]
[ 85.487098][ T5363] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 85.490159][ T5363] CPU: 0 UID: 0 PID: 5363 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 85.494058][ T5363] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 85.498615][ T5363] Call Trace:
[ 85.500093][ T5363]
[ 85.501381][ T5363] dump_stack_lvl+0x99/0x250
[ 85.503413][ T5363] ? __asan_memcpy+0x40/0x70
[ 85.505429][ T5363] ? __pfx_dump_stack_lvl+0x10/0x10
[ 85.507734][ T5363] ? __pfx__printk+0x10/0x10
[ 85.509840][ T5363] vpanic+0x281/0x750
[ 85.511641][ T5363] ? __pfx__printk+0x10/0x10
[ 85.513728][ T5363] ? __pfx_vpanic+0x10/0x10
[ 85.515730][ T5363] ? is_bpf_text_address+0x26/0x2b0
[ 85.518109][ T5363] panic+0xb9/0xc0
[ 85.519782][ T5363] ? __pfx_panic+0x10/0x10
[ 85.521765][ T5363] __warn+0x31b/0x4b0
[ 85.523541][ T5363] ? driver_unregister+0x94/0xb0
[ 85.525742][ T5363] ? driver_unregister+0x94/0xb0
[ 85.528009][ T5363] report_bug+0x2be/0x4f0
[ 85.529982][ T5363] ? driver_unregister+0x94/0xb0
[ 85.532179][ T5363] ? driver_unregister+0x94/0xb0
[ 85.534389][ T5363] ? driver_unregister+0x96/0xb0
[ 85.536653][ T5363] handle_bug+0x84/0x160
[ 85.538689][ T5363] exc_invalid_op+0x1a/0x50
[ 85.540758][ T5363] asm_exc_invalid_op+0x1a/0x20
[ 85.542955][ T5363] RIP: 0010:driver_unregister+0x94/0xb0
[ 85.545482][ T5363] Code: 90 5d fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 41 2a bd fb eb 05 e8 3a 2a bd fb 90 48 c7 c7 00 0e 0a 8c e8 9d b6 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 7e 07 7c 05 cc cc cc cc cc cc cc cc
[ 85.554090][ T5363] RSP: 0018:ffffc9000d317a40 EFLAGS: 00010246
[ 85.556684][ T5363] RAX: cf143e81733b4400 RBX: ffffffff8f3f83c0 RCX: 0000000000100000
[ 85.560156][ T5363] RDX: ffffc9000e3d2000 RSI: 0000000000000fa2 RDI: 0000000000000fa3
[ 85.563594][ T5363] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 85.567053][ T5363] R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffff88803e857038
[ 85.570641][ T5363] R13: ffffffff8f3f8310 R14: 0000000000000000 R15: dffffc0000000000
[ 85.574169][ T5363] comedi_device_detach_locked+0x175/0x750
[ 85.576852][ T5363] comedi_device_attach+0x5d4/0x720
[ 85.579094][ T5363] comedi_unlocked_ioctl+0x5ff/0x1020
[ 85.581488][ T5363] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 85.584017][ T5363] ? __lock_acquire+0xab9/0xd20
[ 85.586182][ T5363] ? __fget_files+0x2a/0x420
[ 85.588288][ T5363] ? __fget_files+0x2a/0x420
[ 85.590406][ T5363] ? __fget_files+0x3a0/0x420
[ 85.592508][ T5363] ? __fget_files+0x2a/0x420
[ 85.594594][ T5363] ? bpf_lsm_file_ioctl+0x9/0x20
[ 85.596849][ T5363] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 85.599439][ T5363] __se_sys_ioctl+0xf9/0x170
[ 85.601471][ T5363] do_syscall_64+0xfa/0x3b0
[ 85.603460][ T5363] ? lockdep_hardirqs_on+0x9c/0x150
[ 85.605694][ T5363] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.608320][ T5363] ? clear_bhb_loop+0x60/0xb0
[ 85.610348][ T5363] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.612845][ T5363] RIP: 0033:0x7f9b5438ebe9
[ 85.614715][ T5363] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 85.622943][ T5363] RSP: 002b:00007f9b551eb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 85.626451][ T5363] RAX: ffffffffffffffda RBX: 00007f9b545c5fa0 RCX: 00007f9b5438ebe9
[ 85.629753][ T5363] RDX: 0000200000000140 RSI: 0000000040946400 RDI: 0000000000000003
[ 85.633032][ T5363] RBP: 00007f9b54411e19 R08: 0000000000000000 R09: 0000000000000000
[ 85.636404][ T5363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.639787][ T5363] R13: 00007f9b545c6038 R14: 00007f9b545c5fa0 R15: 00007ffeb386dd48
[ 85.643165][ T5363]
[ 85.644802][ T5363] Kernel Offset: disabled
[ 85.646702][ T5363] Rebooting in 86400 seconds..