syzbot

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WARNING: [irq_settings_is_per_cpu_devid(desc)] kernel/irq/manage.c:2125 at request_threaded_irq+0x320/0x38c kernel/irq/manage.c:2125, CPU#1: syz.0.123/4261
Modules linked in:
CPU: 1 UID: 0 PID: 4261 Comm: syz.0.123 Not tainted syzkaller #0 PREEMPT 
Hardware name: riscv-virtio,qemu (DT)
epc : request_threaded_irq+0x320/0x38c kernel/irq/manage.c:2125
 ra : request_threaded_irq+0x320/0x38c kernel/irq/manage.c:2125
epc : ffffffff8032d750 ra : ffffffff8032d750 sp : ffff8f800b6c7810
 gp : ffffffff89f9df20 tp : ffffaf801ab88000 t0 : ffffffff86391c0a
 t1 : ffffffff9136c6e0 t2 : ffffffff8016a132 s0 : ffff8f800b6c7870
 s1 : 0000000000000000 a0 : 0000000000000005 a1 : 0000000000000000
 a2 : 0000000000080000 a3 : ffffffff8032d750 a4 : ffff8f80046dc148
 a5 : 0000000000011148 a6 : 0000000000000003 a7 : ffffffff86660460
 s2 : 0000000000200000 s3 : ffffaf8011e8b800 s4 : 0000000000000002
 s5 : ffffffff84b56ef4 s6 : ffffaf801276a000 s7 : 0000000000000000
 s8 : ffffffff87597e60 s9 : 0000000000020000 s10: ffffaf801276a000
 s11: 0000000000000001 t3 : 0000000000000001 t4 : 0000000000001fff
 t5 : 00000000000000c8 t6 : 0000000000000002 ssp : 0000000000000000
status: 0000000200000120 badaddr: ffffffff8032d750 cause: 0000000000000003
[<ffffffff8032d750>] request_threaded_irq+0x320/0x38c kernel/irq/manage.c:2125
[<ffffffff84b58918>] request_irq include/linux/interrupt.h:176 [inline]
[<ffffffff84b58918>] parport_attach drivers/comedi/drivers/comedi_parport.c:235 [inline]
[<ffffffff84b58918>] parport_attach+0x780/0xb14 drivers/comedi/drivers/comedi_parport.c:224
[<ffffffff84b492bc>] comedi_device_attach+0x350/0x7ec drivers/comedi/drivers.c:1069
[<ffffffff84b35136>] do_devconfig_ioctl+0x1a2/0x654 drivers/comedi/comedi_fops.c:928
[<ffffffff84b3dfd8>] comedi_unlocked_ioctl+0x338/0x2c10 drivers/comedi/comedi_fops.c:2240
[<ffffffff80ca9130>] vfs_ioctl fs/ioctl.c:51 [inline]
[<ffffffff80ca9130>] __do_sys_ioctl fs/ioctl.c:597 [inline]
[<ffffffff80ca9130>] __se_sys_ioctl fs/ioctl.c:583 [inline]
[<ffffffff80ca9130>] __riscv_sys_ioctl+0x17c/0x1e4 fs/ioctl.c:583
[<ffffffff80078192>] syscall_handler+0x92/0x114 arch/riscv/include/asm/syscall.h:112
[<ffffffff86391c0a>] do_trap_ecall_u+0x3d2/0x58c arch/riscv/kernel/traps.c:344
[<ffffffff863bb61e>] handle_exception+0x15e/0x16a arch/riscv/kernel/entry.S:232