Fuzz introspector: fuzz_dsa_signature_from_sexp
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
103 0 EP call site: {node_id} nettle_dsa_signature_from_sexp

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 nettle_dsa_signature_init [function] [call site] 00001
1 nettle_sexp_iterator_first [function] [call site] 00004
2 sexp_iterator_init [function] [call site] 00005
2 sexp_iterator_parse [function] [call site] 00006
3 sexp_iterator_simple [function] [call site] 00007
3 sexp_iterator_simple [function] [call site] 00008
1 nettle_dsa_signature_from_sexp [function] [call site] 00009
2 nettle_sexp_iterator_assoc [function] [call site] 00010
3 nettle_sexp_iterator_enter_list [function] [call site] 00011
4 abort [call site] 00012
4 sexp_iterator_parse [function] [call site] 00013
3 strlen [call site] 00014
3 memcmp [call site] 00015
3 nettle_sexp_iterator_next [function] [call site] 00016
4 nettle_sexp_iterator_enter_list [function] [call site] 00017
4 nettle_sexp_iterator_exit_list [function] [call site] 00018
5 sexp_iterator_parse [function] [call site] 00019
5 sexp_iterator_parse [function] [call site] 00020
5 nettle_sexp_iterator_enter_list [function] [call site] 00021
5 abort [call site] 00022
4 sexp_iterator_parse [function] [call site] 00023
4 abort [call site] 00024
3 nettle_sexp_iterator_exit_list [function] [call site] 00025
3 nettle_sexp_iterator_next [function] [call site] 00026
3 nettle_sexp_iterator_exit_list [function] [call site] 00027
3 abort [call site] 00028
2 nettle_mpz_set_sexp [function] [call site] 00029
3 nettle_mpz_set_str_256_s [function] [call site] 00030
4 mpz_set_ui [function] [call site] 00031
5 mpz_realloc [function] [call site] 00032
6 gmp_realloc_limbs [function] [call site] 00033
7 __assert_fail [call site] 00034
6 gmp_alloc_limbs [function] [call site] 00035
4 mpz_import [function] [call site] 00036
5 gmp_die [function] [call site] 00037
6 fprintf [call site] 00038
6 abort [call site] 00039
5 __assert_fail [call site] 00040
5 __assert_fail [call site] 00041
5 gmp_detect_endian [function] [call site] 00042
5 mpz_realloc [function] [call site] 00043
5 __assert_fail [call site] 00044
5 mpn_normalized_size [function] [call site] 00045
4 mpz_init_set_ui [function] [call site] 00046
4 mpz_mul_2exp [function] [call site] 00049
5 mpz_realloc [function] [call site] 00050
5 mpn_lshift [function] [call site] 00051
6 __assert_fail [call site] 00052
6 __assert_fail [call site] 00053
6 __assert_fail [call site] 00054
5 mpn_copyd [function] [call site] 00055
4 mpz_sub [function] [call site] 00057
5 mpz_abs_sub [function] [call site] 00058
6 mpz_realloc [function] [call site] 00061
6 mpn_sub [function] [call site] 00062
7 __assert_fail [call site] 00063
7 mpn_sub_n [function] [call site] 00064
7 mpn_sub_1 [function] [call site] 00065
8 __assert_fail [call site] 00066
6 __assert_fail [call site] 00067
6 mpn_normalized_size [function] [call site] 00068
6 mpz_realloc [function] [call site] 00069
6 __assert_fail [call site] 00071
6 mpn_normalized_size [function] [call site] 00072
5 mpz_abs_add [function] [call site] 00073
6 mpz_realloc [function] [call site] 00074
6 mpn_add [function] [call site] 00075
7 __assert_fail [call site] 00076
7 mpn_add_n [function] [call site] 00077
7 mpn_add_1 [function] [call site] 00078
8 __assert_fail [call site] 00079
4 mpz_clear [function] [call site] 00080
5 gmp_free_limbs [function] [call site] 00081
3 mpz_sizeinbase [function] [call site] 00082
4 __assert_fail [call site] 00083
4 __assert_fail [call site] 00084
4 mpn_limb_size_in_base_2 [function] [call site] 00085
5 __assert_fail [call site] 00086
4 gmp_alloc_limbs [function] [call site] 00087
4 mpn_copyi [function] [call site] 00088
4 mpn_div_qr_1_invert [function] [call site] 00089
5 __assert_fail [call site] 00090
5 mpn_invert_3by2 [function] [call site] 00091
4 mpn_div_qr_1_preinv [function] [call site] 00092
5 gmp_alloc_limbs [function] [call site] 00093
5 mpn_lshift [function] [call site] 00094
5 gmp_free_limbs [function] [call site] 00095
4 gmp_free_limbs [function] [call site] 00096
3 nettle_sexp_iterator_next [function] [call site] 00097
2 nettle_mpz_set_sexp [function] [call site] 00099
1 nettle_dsa_signature_clear [function] [call site] 00101