Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
771	771	5 : View List ['_gnutls_buffer_clear', 'construct_system_wide_priority_string', 'gnutls_strerror', 'load_system_priority_file', 'update_system_wide_priority_string']	871	871	_gnutls_update_system_priorities	call site: 00000	/src/gnutls/lib/priority.c:2286
725	2055	19 : View List ['read_cpuid_vals', 'check_padlock', 'check_fast_pclmul', 'check_pclmul', 'capabilities_to_intel_cpuid', 'check_sha', 'gnutls_crypto_single_digest_register', 'check_phe', 'gnutls_crypto_single_mac_register', '_gnutls_priority_update_non_aesni', 'check_avx_movbe', 'capabilities_to_zhaoxin_edx', 'check_ssse3', '_gnutls_log', 'check_optimized_aes', 'check_phe_sha512', 'check_phe_partial', 'gnutls_crypto_single_cipher_register', 'padlock_capability']	725	2055	register_x86_padlock_crypto	call site: 00000	/src/gnutls/lib/accelerated/x86/x86-common.c:383
48	48	1 : View List ['capabilities_to_intel_cpuid']	440	1304	register_x86_intel_crypto	call site: 00000	/src/gnutls/lib/accelerated/x86/x86-common.c:817
18	18	1 : View List ['_gnutls_asn2err']	40	40	_gnutls_global_init	call site: 00000	/src/gnutls/lib/global.c:306
12	12	2 : View List ['atoi', '_gnutls_log']	22	1562	lib_init	call site: 00000	/src/gnutls/lib/global.c:520
12	12	1 : View List ['_asn1_delete_list_and_nodes']	12	12	asn1_array2tree	call site: 00000	/src/libtasn1/lib/structure.c:272
10	10	1 : View List ['_gnutls_log']	10	10	register_x86_intel_crypto	call site: 00000	/src/gnutls/lib/accelerated/x86/x86-common.c:1027
10	10	1 : View List ['_gnutls_log']	10	10	_algo_register	call site: 00000	/src/gnutls/lib/crypto-backend.c:67
10	10	1 : View List ['_gnutls_log']	10	10	_algo_register	call site: 00000	/src/gnutls/lib/crypto-backend.c:87
6	6	3 : View List ['gnutls_global_set_log_level', 'gnutls_global_set_log_function', 'atoi']	166	1986	_gnutls_global_init	call site: 00000	/src/gnutls/lib/global.c:262
4	4	2 : View List ['open', 'close']	44	44	_rnd_system_entropy_init	call site: 00000	/src/gnutls/lib/nettle/sysrng-linux.c:168
2	2	1 : View List ['_gnutls_priority_update_non_aesni']	2	2	register_x86_intel_crypto	call site: 00000	/src/gnutls/lib/accelerated/x86/x86-common.c:942

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           gnutls_idna_map

[function] [call site] 00001


             _gnutls_str_is_print

[function] [call site] 00002


               c_isprint

[function] [call site] 00003


             _gnutls_log

[function] [call site] 00004


               vasprintf

[call site] 00005


               rpl_free

[function] [call site] 00006


                 __errno_location

[call site] 00007


                 __errno_location

[call site] 00008


             _gnutls_set_strdatum

[function] [call site] 00009


               _gnutls_log

[function] [call site] 00010


           strlen

[call site] 00011


           __assert_fail

[call site] 00012