program:
r0 = openat$comedi(0xffffff9c, &(0x7f0000000040)='/dev/comedi3\x00', 0x2000, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000580)=@base={0x5, 0x4, 0x4, 0x4}, 0x48)
bpf$PROG_LOAD(0x5, &(0x7f0000002c40)={0x1f, 0x17, &(0x7f0000000080)=@ringbuf={{}, {{0x18, 0x1, 0x1, 0x0, r1}, {}, {}, {0x85, 0x0, 0x0, 0x5}}, {{0x6, 0x0, 0x6, 0x9, 0x0, 0x6, 0xe7030000}, {0x4, 0x0, 0x0, 0x6}}, [@printk={@p, {0x3, 0x3, 0x3, 0xa, 0x9}, {0x4, 0x1, 0xa, 0x1, 0x9}, {0x7, 0x0, 0x3}, {}, {}, {0x14}}], {{0x5, 0x1, 0x5, 0x3}, {0x5, 0x0, 0xb, 0x3, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x88}}}, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x56, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, &(0x7f0000000200)={'c6xdigio\x00', [0x9, 0x8, 0x2, 0x6, 0x6, 0x1ff, 0x0, 0x9, 0xd7, 0x7, 0x3, 0x8, 0xfffffffe, 0xf408, 0x3, 0x0, 0xa, 0x5, 0x4, 0x8, 0x79b, 0x5, 0x9, 0xa7b1, 0x0, 0x9, 0x7, 0xf7f, 0x4d, 0x9, 0x7]})
[ 68.208777][ T5338] Bluetooth: hci0: command tx timeout
[ 68.248642][ T5358] comedi comedi3: c6xdigio: I/O port conflict (0x9,3)
[ 68.252374][ T5358] ------------[ cut here ]------------
[ 68.254690][ T5358] Unexpected driver unregister!
[ 68.271004][ T5358] WARNING: CPU: 0 PID: 5358 at drivers/base/driver.c:273 driver_unregister+0x94/0xb0
[ 68.275930][ T5358] Modules linked in:
[ 68.277726][ T5358] CPU: 0 UID: 0 PID: 5358 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 68.281892][ T5358] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 68.287088][ T5358] RIP: 0010:driver_unregister+0x94/0xb0
[ 68.289404][ T5358] Code: 8b 5d fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 f1 20 bd fb eb 05 e8 ea 20 bd fb 90 48 c7 c7 00 0e 0a 8c e8 4d ad 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 be 0e 7c 05 cc cc cc cc cc cc cc cc
[ 68.297433][ T5358] RSP: 0018:ffffc9000e40fa40 EFLAGS: 00010246
[ 68.300949][ T5358] RAX: bd68114328704200 RBX: ffffffff8f3f8400 RCX: 0000000000100000
[ 68.304342][ T5358] RDX: ffffc9000dbb2000 RSI: 0000000000000f04 RDI: 0000000000000f05
[ 68.307867][ T5358] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 68.311320][ T5358] R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffff88803e9ed838
[ 68.314726][ T5358] R13: ffffffff8f3f8350 R14: 0000000000000000 R15: dffffc0000000000
[ 68.317955][ T5358] FS: 00007fe187d396c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
[ 68.321491][ T5358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.324049][ T5358] CR2: 0000200000002c40 CR3: 0000000041e8e000 CR4: 0000000000352ef0
[ 68.327369][ T5358] Call Trace:
[ 68.328743][ T5358]
[ 68.329991][ T5358] comedi_device_detach_locked+0x175/0x750
[ 68.332960][ T5358] comedi_device_attach+0x5d4/0x720
[ 68.335649][ T5358] comedi_unlocked_ioctl+0x5ff/0x1020
[ 68.337937][ T5358] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 68.340512][ T5358] ? __lock_acquire+0xab9/0xd20
[ 68.342698][ T5358] ? __fget_files+0x2a/0x420
[ 68.344717][ T5358] ? __fget_files+0x2a/0x420
[ 68.346904][ T5358] ? __fget_files+0x3a0/0x420
[ 68.349008][ T5358] ? __fget_files+0x2a/0x420
[ 68.350995][ T5358] ? bpf_lsm_file_ioctl+0x9/0x20
[ 68.353134][ T5358] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 68.355580][ T5358] __se_sys_ioctl+0xf9/0x170
[ 68.357676][ T5358] do_syscall_64+0xfa/0x3b0
[ 68.359760][ T5358] ? lockdep_hardirqs_on+0x9c/0x150
[ 68.361825][ T5358] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.364180][ T5358] ? clear_bhb_loop+0x60/0xb0
[ 68.366357][ T5358] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.368897][ T5358] RIP: 0033:0x7fe186f8ebe9
[ 68.370767][ T5358] 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
[ 68.379206][ T5358] RSP: 002b:00007fe187d39038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 68.382527][ T5358] RAX: ffffffffffffffda RBX: 00007fe1871c5fa0 RCX: 00007fe186f8ebe9
[ 68.385964][ T5358] RDX: 0000200000000200 RSI: 0000000040946400 RDI: 0000000000000003
[ 68.389403][ T5358] RBP: 00007fe187011e19 R08: 0000000000000000 R09: 0000000000000000
[ 68.392592][ T5358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 68.395542][ T5358] R13: 00007fe1871c6038 R14: 00007fe1871c5fa0 R15: 00007fffbe253268
[ 68.398956][ T5358]
[ 68.400359][ T5358] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 68.403375][ T5358] CPU: 0 UID: 0 PID: 5358 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 68.407023][ T5358] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 68.411433][ T5358] Call Trace:
[ 68.412753][ T5358]
[ 68.414101][ T5358] dump_stack_lvl+0x99/0x250
[ 68.415994][ T5358] ? __asan_memcpy+0x40/0x70
[ 68.418095][ T5358] ? __pfx_dump_stack_lvl+0x10/0x10
[ 68.420397][ T5358] ? __pfx__printk+0x10/0x10
[ 68.422333][ T5358] vpanic+0x281/0x750
[ 68.423917][ T5358] ? __pfx__printk+0x10/0x10
[ 68.425832][ T5358] ? __pfx_vpanic+0x10/0x10
[ 68.427670][ T5358] ? is_bpf_text_address+0x26/0x2b0
[ 68.429877][ T5358] panic+0xb9/0xc0
[ 68.431406][ T5358] ? __pfx_panic+0x10/0x10
[ 68.433291][ T5358] __warn+0x31b/0x4b0
[ 68.435005][ T5358] ? driver_unregister+0x94/0xb0
[ 68.437178][ T5358] ? driver_unregister+0x94/0xb0
[ 68.439311][ T5358] report_bug+0x2be/0x4f0
[ 68.441126][ T5358] ? driver_unregister+0x94/0xb0
[ 68.443141][ T5358] ? driver_unregister+0x94/0xb0
[ 68.445154][ T5358] ? driver_unregister+0x96/0xb0
[ 68.447180][ T5358] handle_bug+0x84/0x160
[ 68.448929][ T5358] exc_invalid_op+0x1a/0x50
[ 68.450802][ T5358] asm_exc_invalid_op+0x1a/0x20
[ 68.452746][ T5358] RIP: 0010:driver_unregister+0x94/0xb0
[ 68.454922][ T5358] Code: 8b 5d fc 48 89 df 5b 41 5e 41 5f e9 56 55 ff ff e8 f1 20 bd fb eb 05 e8 ea 20 bd fb 90 48 c7 c7 00 0e 0a 8c e8 4d ad 80 fb 90 <0f> 0b 90 90 5b 41 5e 41 5f e9 be 0e 7c 05 cc cc cc cc cc cc cc cc
[ 68.462407][ T5358] RSP: 0018:ffffc9000e40fa40 EFLAGS: 00010246
[ 68.464924][ T5358] RAX: bd68114328704200 RBX: ffffffff8f3f8400 RCX: 0000000000100000
[ 68.468290][ T5358] RDX: ffffc9000dbb2000 RSI: 0000000000000f04 RDI: 0000000000000f05
[ 68.471447][ T5358] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
[ 68.474814][ T5358] R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffff88803e9ed838
[ 68.477853][ T5358] R13: ffffffff8f3f8350 R14: 0000000000000000 R15: dffffc0000000000
[ 68.481077][ T5358] comedi_device_detach_locked+0x175/0x750
[ 68.483543][ T5358] comedi_device_attach+0x5d4/0x720
[ 68.485827][ T5358] comedi_unlocked_ioctl+0x5ff/0x1020
[ 68.488172][ T5358] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 68.490639][ T5358] ? __lock_acquire+0xab9/0xd20
[ 68.492705][ T5358] ? __fget_files+0x2a/0x420
[ 68.494617][ T5358] ? __fget_files+0x2a/0x420
[ 68.496557][ T5358] ? __fget_files+0x3a0/0x420
[ 68.498539][ T5358] ? __fget_files+0x2a/0x420
[ 68.500511][ T5358] ? bpf_lsm_file_ioctl+0x9/0x20
[ 68.502605][ T5358] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 68.505089][ T5358] __se_sys_ioctl+0xf9/0x170
[ 68.507077][ T5358] do_syscall_64+0xfa/0x3b0
[ 68.508992][ T5358] ? lockdep_hardirqs_on+0x9c/0x150
[ 68.511191][ T5358] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.513797][ T5358] ? clear_bhb_loop+0x60/0xb0
[ 68.515805][ T5358] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.518301][ T5358] RIP: 0033:0x7fe186f8ebe9
[ 68.520193][ T5358] 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
[ 68.528104][ T5358] RSP: 002b:00007fe187d39038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 68.531698][ T5358] RAX: ffffffffffffffda RBX: 00007fe1871c5fa0 RCX: 00007fe186f8ebe9
[ 68.534908][ T5358] RDX: 0000200000000200 RSI: 0000000040946400 RDI: 0000000000000003
[ 68.538187][ T5358] RBP: 00007fe187011e19 R08: 0000000000000000 R09: 0000000000000000
[ 68.541436][ T5358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 68.544652][ T5358] R13: 00007fe1871c6038 R14: 00007fe1871c5fa0 R15: 00007fffbe253268
[ 68.547994][ T5358]
[ 68.549702][ T5358] Kernel Offset: disabled
[ 68.551534][ T5358] Rebooting in 86400 seconds..