Fuzz introspector: fuzz_sofa
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
55 9 LLVMFuzzerTestOneInput call site: 00009 bthread::TaskGroup::sched_to
39 65 LLVMFuzzerTestOneInput call site: 00065 butil::IOBufCutter::copy_to
4 4 LLVMFuzzerTestOneInput call site: 00004 butil::IOBuf::append
2 1 LLVMFuzzerTestOneInput call site: 00001

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 butil::IOBuf::IOBuf [function] [call site] 00001
2 reset_block_ref [function] [call site] 00002
2 reset_block_ref [function] [call site] 00003
1 butil::IOBuf::append [function] [call site] 00004
2 butil::IOBuf::append [function] [call site] 00005
2 data [function] [call site] 00006
2 butil::IOBuf::length [function] [call site] 00007
3 butil::IOBuf::_small [function] [call site] 00008
1 get_fuzz_socket [function] [call site] 00009
2 butil::EndPoint [function] [call site] 00010
2 Socket::Create [function] [call site] 00011
3 brpc::Stream::Create [function] [call site] 00012
4 brpc::Stream::Create [function] [call site] 00013
2 brpc::SetTrackMeAddress [function] [call site] 00014
3 BAIDU_SCOPED_LOCK [function] [call site] 00015
3 brpc::ReadJPaasHostPort [function] [call site] 00016
4 getuid [function] [call site] 00017
4 getpwuid [function] [call site] 00018
4 snprintf [function] [call site] 00019
4 fopen [function] [call site] 00020
4 snprintf [function] [call site] 00021
4 getline [function] [call site] 00022
4 butil::ScopedFILE::get [function] [call site] 00023
4 memcmp [function] [call site] 00024
4 strtol [function] [call site] 00025
4 free [function] [call site] 00026
4 RPC_VLOG_IF [function] [call site] 00027
3 butil::endpoint2str [function] [call site] 00028
4 butil::details::ExtendedEndPoint::is_extended [function] [call site] 00029
4 butil::details::ExtendedEndPoint::address [function] [call site] 00030
5 butil::details::ExtendedEndPoint::is_extended [function] [call site] 00031
5 ::butil::address_resource<ExtendedEndPoint> [function] [call site] 00032
5 CHECK [function] [call site] 00033
4 bthread::TaskGroup::sched_to [function] [call site] 00034
5 bthread::TaskGroup::address_meta [function] [call site] 00035
6 address_resource [function] [call site] 00036
6 get_slot [function] [call site] 00037
5 get_stack [function] [call site] 00038
5 bthread::stack_type [function] [call site] 00039
6 static_cast<StackType> [function] [call site] 00040
5 get_stack [function] [call site] 00041
5 bthread::stack_type [function] [call site] 00042
5 bthread::set_stack [function] [call site] 00043
5 bthread::set_stack [function] [call site] 00044
5 bthread::TaskGroup::sched_to [function] [call site] 00045
6 bthread::TaskGroup::address_meta [function] [call site] 00046
6 get_stack [function] [call site] 00047
6 bthread::stack_type [function] [call site] 00048
6 get_stack [function] [call site] 00049
6 bthread::stack_type [function] [call site] 00050
6 bthread::set_stack [function] [call site] 00051
6 bthread::set_stack [function] [call site] 00052
6 bthread::TaskGroup::sched_to [function] [call site] 00053
4 inet_ntop [function] [call site] 00054
4 butil::endpoint2str [function] [call site] 00055
4 butil::EndPoint [function] [call site] 00056
4 strlen [function] [call site] 00057
4 butil::snprintf [function] [call site] 00058
5 va_start [function] [call site] 00059
5 butil::vsnprintf [function] [call site] 00060
6 butil::vsnprintf [function] [call site] 00061
5 va_end [function] [call site] 00062
3 std::string::string [function] [call site] 00063
2 get [function] [call site] 00064
1 brpc::policy::ParseSofaMessage [function] [call site] 00065
2 butil::IOBufCutter::copy_to [function] [call site] 00066
3 memcpy [function] [call site] 00067
3 butil::IOBufCutter::slower_copy_to [function] [call site] 00068
4 butil::IOBufCutter::load_next_ref [function] [call site] 00069
5 _pop_front_ref [function] [call site] 00070
5 _ref_num [function] [call site] 00071
5 _front_ref [function] [call site] 00072
4 memcpy [function] [call site] 00073
4 memcpy [function] [call site] 00074
4 _ref_num [function] [call site] 00075
4 _ref_at [function] [call site] 00076
4 std::min [function] [call site] 00077
4 memcpy [function] [call site] 00078
2 MakeParseError [function] [call site] 00079
2 memcmp [function] [call site] 00080
2 MakeParseError [function] [call site] 00081
2 MakeParseError [function] [call site] 00082
2 SofaRawUnpacker::unpack32 [function] [call site] 00083
2 LOG [function] [call site] 00084
2 MakeParseError [function] [call site] 00085
2 LOG [function] [call site] 00086
2 brpc::Span::set_remote_side [function] [call site] 00087
2 MakeParseError [function] [call site] 00088
2 get_length [function] [call site] 00089
2 MakeParseError [function] [call site] 00090
2 butil::IOBufCutter::pop_front [function] [call site] 00091
3 butil::IOBufCutter::load_next_ref [function] [call site] 00092
2 TestRpcPBMessageFactory::Get [function] [call site] 00093
3 butil::get_object<DefaultRpcPBMessages> [function] [call site] 00094
3 butil::get_object<v1::EchoRequest> [function] [call site] 00095
3 butil::get_object<v1::EchoResponse> [function] [call site] 00096
3 auto::clear_message [function] [call site] 00097
3 auto::clear_message [function] [call site] 00098
2 mcpack2pb::InputStream::cutn [function] [call site] 00099
3 memcpy [function] [call site] 00100
3 memcpy [function] [call site] 00101
3 Next [function] [call site] 00102
2 mcpack2pb::InputStream::cutn [function] [call site] 00103
2 MakeMessage [function] [call site] 00104