Constant MAX_SANITIZER_OPTIONS_VALUE_SIZE 

pub const MAX_SANITIZER_OPTIONS_VALUE_SIZE: u16 = 8192;

Maximum length of a sanitizer options environment variable value.

sanitizer_options.value is a concatenation of “=” pairs delimited by ‘:’. AddressSanitizer currently has the most flags, with ~40 sanitizer specific ones and ~70 common ones. Most of these are either boolean values or short integers. The only long types of flags are paths, but none these of these are supported on Fuchsia.