r0 = syz_io_uring_setup(0x6dae, &(0x7f0000000280)={0x0, 0x0, 0x40}, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000800000/0x800000)=nil, &(0x7f0000000180), &(0x7f00000003c0))
syz_io_uring_submit(0x0, 0x0, &(0x7f00000000c0)=@IORING_OP_OPENAT2={0x1c, 0x0, 0x0, 0xffffffffffffff9c, &(0x7f0000000040)={0x440001}, 0x0, 0x18}, 0x0)
io_uring_register$IORING_UNREGISTER_BUFFERS(r0, 0xb, 0x20000000, 0x3d)