r0 = syz_open_dev$sg(&(0x7f0000000040), 0x0, 0x0)
ioctl$SG_SET_RESERVED_SIZE(r0, 0x2275, &(0x7f0000000080)=0x800000)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x13, r0, 0x0)