r0 = syz_open_dev$sg(&(0x7f0000000080), 0x0, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
r2 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x1, 0x12, r1, 0x0)
syz_io_uring_submit(r2, 0x0, 0x0, 0x0)