Fuzz introspector: crypto_generichash_fuzzer
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
5 18 _sodium_alloc_init call site: 00018 sodium_misuse
5 58 crypto_generichash_blake2b call site: 00058 sodium_misuse
2 33 blake2b_pick_best_implementation call site: 00033 sodium_runtime_has_sse41
2 64 blake2b call site: 00064 sodium_misuse
2 75 blake2b_init_key call site: 00075 sodium_misuse
1 29 argon2_pick_best_implementation call site: 00029 sodium_runtime_has_ssse3
1 42 _crypto_stream_chacha20_pick_best_implementation call site: 00042 sodium_runtime_has_ssse3
1 71 blake2b_init_param call site: 00071 sodium_misuse
1 78 blake2b call site: 00078 sodium_misuse
1 82 blake2b_init call site: 00082 sodium_misuse
1 85 blake2b call site: 00085 sodium_misuse
1 91 blake2b_final call site: 00091 blake2b_set_lastnode

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 sodium_init [function] [call site] 00001
2 sodium_crit_enter [function] [call site] 00002
3 pthread_mutex_lock [call site] 00003
3 __assert_fail [call site] 00004
2 sodium_crit_leave [function] [call site] 00005
3 pthread_mutex_unlock [call site] 00006
2 _sodium_runtime_get_cpu_features [function] [call site] 00007
3 _sodium_runtime_arm_cpu_features [function] [call site] 00008
3 _sodium_runtime_intel_cpu_features [function] [call site] 00009
2 randombytes_stir [function] [call site] 00014
3 randombytes_init_if_needed [function] [call site] 00015
4 randombytes_stir [function] [call site] 00016
2 _sodium_alloc_init [function] [call site] 00017
3 sysconf [call site] 00018
3 sodium_misuse [function] [call site] 00019
4 sodium_crit_leave [function] [call site] 00020
4 sodium_crit_enter [function] [call site] 00021
4 sodium_crit_leave [function] [call site] 00022
4 abort [call site] 00023
3 randombytes_buf [function] [call site] 00024
4 randombytes_init_if_needed [function] [call site] 00025
2 _crypto_pwhash_argon2_pick_best_implementation [function] [call site] 00026
3 argon2_pick_best_implementation [function] [call site] 00027
4 sodium_runtime_has_avx512f [function] [call site] 00028
4 sodium_runtime_has_avx2 [function] [call site] 00029
4 sodium_runtime_has_ssse3 [function] [call site] 00030
2 _crypto_generichash_blake2b_pick_best_implementation [function] [call site] 00031
3 blake2b_pick_best_implementation [function] [call site] 00032
4 sodium_runtime_has_avx2 [function] [call site] 00033
4 sodium_runtime_has_sse41 [function] [call site] 00034
4 sodium_runtime_has_ssse3 [function] [call site] 00035
2 _crypto_onetimeauth_poly1305_pick_best_implementation [function] [call site] 00036
3 sodium_runtime_has_sse2 [function] [call site] 00037
2 _crypto_scalarmult_curve25519_pick_best_implementation [function] [call site] 00038
3 sodium_runtime_has_avx [function] [call site] 00039
2 _crypto_stream_chacha20_pick_best_implementation [function] [call site] 00040
3 sodium_runtime_has_avx512f [function] [call site] 00041
3 sodium_runtime_has_avx2 [function] [call site] 00042
3 sodium_runtime_has_ssse3 [function] [call site] 00043
2 _crypto_stream_salsa20_pick_best_implementation [function] [call site] 00044
3 sodium_runtime_has_avx512f [function] [call site] 00045
3 sodium_runtime_has_avx2 [function] [call site] 00046
2 _crypto_aead_aegis128l_pick_best_implementation [function] [call site] 00047
3 sodium_runtime_has_aesni [function] [call site] 00048
3 sodium_runtime_has_avx [function] [call site] 00049
2 _crypto_aead_aegis256_pick_best_implementation [function] [call site] 00050
3 sodium_runtime_has_aesni [function] [call site] 00051
3 sodium_runtime_has_avx [function] [call site] 00052
2 sodium_crit_leave [function] [call site] 00053
1 crypto_generichash [function] [call site] 00054
2 crypto_generichash_blake2b [function] [call site] 00055
3 __assert_fail [call site] 00056
3 __assert_fail [call site] 00057
3 blake2b [function] [call site] 00058
4 sodium_misuse [function] [call site] 00059
4 sodium_misuse [function] [call site] 00060
4 sodium_misuse [function] [call site] 00061
4 sodium_misuse [function] [call site] 00062
4 sodium_misuse [function] [call site] 00063
4 blake2b_init_key [function] [call site] 00064
5 sodium_misuse [function] [call site] 00065
5 sodium_misuse [function] [call site] 00066
5 store32_le [function] [call site] 00067
5 store64_le [function] [call site] 00068
5 blake2b_init_param [function] [call site] 00069
6 blake2b_init0 [function] [call site] 00070
6 load64_le [function] [call site] 00071
5 sodium_misuse [function] [call site] 00072
5 blake2b_update [function] [call site] 00073
6 blake2b_increment_counter [function] [call site] 00074
5 sodium_memzero [function] [call site] 00075
6 explicit_bzero [call site] 00076
4 sodium_misuse [function] [call site] 00077
4 blake2b_init [function] [call site] 00078
5 sodium_misuse [function] [call site] 00079
5 store32_le [function] [call site] 00080
5 store64_le [function] [call site] 00081
5 blake2b_init_param [function] [call site] 00082
4 sodium_misuse [function] [call site] 00083
4 blake2b_update [function] [call site] 00084
4 blake2b_final [function] [call site] 00085
5 sodium_misuse [function] [call site] 00086
5 blake2b_is_lastblock [function] [call site] 00087
5 blake2b_increment_counter [function] [call site] 00088
5 __assert_fail [call site] 00089
5 blake2b_increment_counter [function] [call site] 00090
5 blake2b_set_lastblock [function] [call site] 00091
6 blake2b_set_lastnode [function] [call site] 00092
5 store64_le [function] [call site] 00093
5 store64_le [function] [call site] 00094
5 store64_le [function] [call site] 00095
5 store64_le [function] [call site] 00096
5 store64_le [function] [call site] 00097
5 store64_le [function] [call site] 00098
5 store64_le [function] [call site] 00099
5 store64_le [function] [call site] 00100
5 sodium_memzero [function] [call site] 00101
5 sodium_memzero [function] [call site] 00102
1 crypto_generichash_init [function] [call site] 00103
2 crypto_generichash_blake2b_init [function] [call site] 00104
3 __assert_fail [call site] 00105
3 __assert_fail [call site] 00106
3 blake2b_init [function] [call site] 00107
3 blake2b_init_key [function] [call site] 00108
1 crypto_generichash_update [function] [call site] 00109
2 crypto_generichash_blake2b_update [function] [call site] 00110
3 blake2b_update [function] [call site] 00111
1 crypto_generichash_update [function] [call site] 00112
1 crypto_generichash_update [function] [call site] 00113
1 crypto_generichash_final [function] [call site] 00114
2 crypto_generichash_blake2b_final [function] [call site] 00115
3 __assert_fail [call site] 00116
3 blake2b_final [function] [call site] 00117