r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x1000401, 0x101)
pwritev2(r0, &(0x7f0000001300)=[{&(0x7f0000000040)='j', 0x1}], 0x1, 0x4071bfdb, 0x0, 0x0)