*   Fixes a null pointer dereference in `CompressElement`
    ([CVE-2021-37637](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37637))
*   Fixes a null pointer dereference in `RaggedTensorToTensor`
    ([CVE-2021-37638](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37638))
*   Fixes a null pointer dereference and a heap OOB read arising from operations

pkg log/syslog (freebsd-arm64-cgo), type Writer struct
pkg math/bits (freebsd-arm64), const UintSize = 64
pkg math/bits (freebsd-arm64-cgo), const UintSize = 64
pkg os (freebsd-arm64), const DevNull = "/dev/null"
pkg os (freebsd-arm64), const O_APPEND = 8
pkg os (freebsd-arm64), const O_CREATE = 512
pkg os (freebsd-arm64), const O_EXCL = 2048
pkg os (freebsd-arm64), const O_SYNC = 128
pkg os (freebsd-arm64), const O_TRUNC = 1024

pkg math/bits (freebsd-riscv64), const UintSize = 64 #53466
pkg math/bits (freebsd-riscv64-cgo), const UintSize = 64 #53466
pkg os (freebsd-riscv64), const DevNull = "/dev/null" #53466
pkg os (freebsd-riscv64), const O_APPEND = 8 #53466
pkg os (freebsd-riscv64), const O_CREATE = 512 #53466
pkg os (freebsd-riscv64), const O_EXCL = 2048 #53466
pkg os (freebsd-riscv64), const O_SYNC = 128 #53466

def get_invalid_none():
    return None
```

This way the data will be correctly validated, you won't have an internal server error, and the documentation will also reflect that this *path operation* could return `None` (or `null` in JSON).

### Fixes

drbg.Generate(b[:size], additionalInput); reseedRequired { // See SP 800-90A Rev. 1, Section 9.3.1, Steps 6-8, as explained in // Section 9.3.2: if Generate reports a reseed is required, the // additional input is passed to Reseed along with the entropy and // then nulled before the next Generate call. entropy.Depleted(func(seed *[48]byte) { drbg.Reseed(seed, additionalInput) }) additionalInput = nil continue } b = b[size:] } } // DefaultReader is a sentinel type, embedded in the default // [crypto/rand.Reader], used...

drbg.Generate(b[:size], additionalInput); reseedRequired { // See SP 800-90A Rev. 1, Section 9.3.1, Steps 6-8, as explained in // Section 9.3.2: if Generate reports a reseed is required, the // additional input is passed to Reseed along with the entropy and // then nulled before the next Generate call. drbg.Reseed(getEntropy(), additionalInput) additionalInput = nil continue } b = b[size:] } } var testingReader io.Reader // SetTestingReader sets a global, deterministic cryptographic randomness source // for testing...