r0 = syz_open_dev$sg(&(0x7f0000002ac0), 0x0, 0x0)
add_key$keyring(&(0x7f0000000500), 0x0, 0x0, 0x0, 0xffffffffffffffff)
readv(r0, &(0x7f0000000080)=[{&(0x7f0000000040)=""/17, 0x4d}], 0x1)