r0 = syz_open_dev$sg(&(0x7f0000002ac0), 0x0, 0x0)
r1 = dup(r0)
mmap$IORING_OFF_SQ_RING(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x12, r1, 0x0)
ioctl$SG_SET_RESERVED_SIZE(r1, 0x2275, &(0x7f0000000000))