Fuzz introspector: fuzz_doh
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
4 23 doh_store_aaaa call site: 00023 doh_store_https
3 65 LLVMFuzzerTestOneInput call site: 00065 doh_req_encode
2 2 LLVMFuzzerTestOneInput call site: 00002 de_init
1 9 curlx_dyn_init call site: 00009 doh_resp_decode
1 49 dyn_nappend call site: 00049 curlx_dyn_free
1 59 doh_resp_decode call site: 00059 de_cleanup
1 61 de_cleanup call site: 00061 curlx_safefree
1 74 doh_req_encode call site: 00074

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 signal [function] [call site] 00001
1 RunDecode [function] [call site] 00002
2 reinterpret_cast<struct [call site] 00003
2 de_init [function] [call site] 00004
3 memset [function] [call site] 00005
3 curlx_dyn_init [function] [call site] 00006
4 DEBUGASSERT [function] [call site] 00007
4 DEBUGASSERT [function] [call site] 00008
4 DEBUGASSERT [function] [call site] 00009
2 doh_resp_decode [function] [call site] 00010
3 doh_get16bit [function] [call site] 00011
3 doh_skipqname [function] [call site] 00012
3 doh_get16bit [function] [call site] 00013
3 doh_skipqname [function] [call site] 00014
3 doh_get16bit [function] [call site] 00015
3 doh_get16bit [function] [call site] 00016
3 doh_get32bit [function] [call site] 00017
3 doh_get16bit [function] [call site] 00018
3 doh_rdata [function] [call site] 00019
4 doh_store_a [function] [call site] 00020
5 memcpy [function] [call site] 00021
4 doh_store_aaaa [function] [call site] 00022
5 memcpy [function] [call site] 00023
4 doh_store_https [function] [call site] 00024
5 curlx_memdup [function] [call site] 00025
6 curlx_malloc [function] [call site] 00026
6 memcpy [function] [call site] 00027
4 doh_store_cname [function] [call site] 00028
5 curlx_dyn_len [function] [call site] 00029
6 DEBUGASSERT [function] [call site] 00030
6 DEBUGASSERT [function] [call site] 00031
6 DEBUGASSERT [function] [call site] 00032
5 curlx_dyn_addn [function] [call site] 00033
6 DEBUGASSERT [function] [call site] 00034
6 DEBUGASSERT [function] [call site] 00035
6 DEBUGASSERT [function] [call site] 00036
6 dyn_nappend [function] [call site] 00037
7 DEBUGASSERT [function] [call site] 00038
7 DEBUGASSERT [function] [call site] 00039
7 DEBUGASSERT [function] [call site] 00040
7 DEBUGASSERT [function] [call site] 00041
7 DEBUGASSERT [function] [call site] 00042
7 DEBUGASSERT [function] [call site] 00043
7 curlx_dyn_free [function] [call site] 00044
8 DEBUGASSERT [function] [call site] 00045
8 DEBUGASSERT [function] [call site] 00046
8 curlx_safefree [function] [call site] 00047
7 DEBUGASSERT [function] [call site] 00048
7 curlx_realloc [function] [call site] 00049
7 curlx_dyn_free [function] [call site] 00050
7 memcpy [function] [call site] 00051
5 STRCONST [function] [call site] 00052
5 curlx_dyn_addn [function] [call site] 00053
3 doh_get16bit [function] [call site] 00054
3 doh_skipqname [function] [call site] 00055
3 doh_get16bit [function] [call site] 00056
3 doh_get16bit [function] [call site] 00057
3 doh_skipqname [function] [call site] 00058
3 doh_get16bit [function] [call site] 00059
2 de_cleanup [function] [call site] 00060
3 curlx_dyn_free [function] [call site] 00061
3 curlx_safefree [function] [call site] 00062
1 RunDecode [function] [call site] 00063
1 RunDecode [function] [call site] 00064
1 RunEncode [function] [call site] 00065
2 std::strlen [function] [call site] 00066
2 std::string::c_str [function] [call site] 00067
2 doh_req_encode [function] [call site] 00068
3 strlen [function] [call site] 00069
3 DEBUGASSERT [function] [call site] 00070
3 strchr [function] [call site] 00071
3 strlen [function] [call site] 00072
3 memcpy [function] [call site] 00073
3 DEBUGASSERT [function] [call site] 00074
2 std::string::c_str [function] [call site] 00075