Fuzz introspector: fuzz_hpack
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
133 4 LLVMFuzzerTestOneInput call site: 00004 brpc::IndexTable
6 143 LLVMFuzzerTestOneInput call site: 00143 butil::IOBufCutter::pop_front
4 138 LLVMFuzzerTestOneInput call site: 00138 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 HPacker::Init [function] [call site] 00004
2 end_index [function] [call site] 00007
2 brpc::IndexTable [function] [call site] 00008
3 DISALLOW_COPY_AND_ASSIGN [function] [call site] 00009
3 brpc::IndexTable [function] [call site] 00010
4 DISALLOW_COPY_AND_ASSIGN [function] [call site] 00011
4 brpc::IndexTable [function] [call site] 00012
4 _start_index [function] [call site] 00013
4 _add_times [function] [call site] 00014
4 BAIDU_UNLIKELY [function] [call site] 00016
4 DCHECK_LE [function] [call site] 00020
4 brpc::size [function] [call site] 00021
5 brpc::size [function] [call site] 00022
4 DCHECK_LE [function] [call site] 00025
4 brpc::size [function] [call site] 00026
4 brpc::start_index [function] [call site] 00027
4 brpc::size [function] [call site] 00028
4 MyStringView::size [function] [call site] 00029
4 MyStringView::size [function] [call site] 00030
4 brpc::empty [function] [call site] 00032
4 brpc::HeaderSize [function] [call site] 00034
5 MyStringView::size [function] [call site] 00035
5 MyStringView::size [function] [call site] 00036
4 DCHECK_LE [function] [call site] 00037
4 brpc::size [function] [call site] 00038
4 brpc::RemoveHeaderFromIndexes [function] [call site] 00039
4 PercentileInterval::empty [function] [call site] 00048
4 PercentileInterval::empty [function] [call site] 00056
4 brpc::HeaderSize [function] [call site] 00057
4 brpc::empty [function] [call site] 00058
4 brpc::PopHeader [function] [call site] 00059
5 brpc::empty [function] [call site] 00061
5 brpc::HeaderSize [function] [call site] 00063
5 DCHECK_LE [function] [call site] 00064
5 brpc::size [function] [call site] 00065
5 brpc::RemoveHeaderFromIndexes [function] [call site] 00066
4 brpc::empty [function] [call site] 00069
4 PercentileInterval::empty [function] [call site] 00073
4 brpc::PopHeader [function] [call site] 00074
4 butil::BoundedQueue::BoundedQueue [function] [call site] 00075
3 _start_index [function] [call site] 00077
3 _add_times [function] [call site] 00078
3 BAIDU_UNLIKELY [function] [call site] 00080
3 DCHECK_LE [function] [call site] 00084
3 brpc::size [function] [call site] 00085
3 DCHECK_LE [function] [call site] 00088
3 brpc::size [function] [call site] 00089
3 brpc::start_index [function] [call site] 00090
3 brpc::size [function] [call site] 00091
3 MyStringView::size [function] [call site] 00092
3 MyStringView::size [function] [call site] 00093
3 brpc::empty [function] [call site] 00095
3 brpc::HeaderSize [function] [call site] 00097
3 DCHECK_LE [function] [call site] 00098
3 brpc::size [function] [call site] 00099
3 brpc::RemoveHeaderFromIndexes [function] [call site] 00100
3 PercentileInterval::empty [function] [call site] 00102
3 PercentileInterval::empty [function] [call site] 00110
3 brpc::HeaderSize [function] [call site] 00111
3 brpc::empty [function] [call site] 00112
3 brpc::PopHeader [function] [call site] 00113
3 brpc::empty [function] [call site] 00115
3 PercentileInterval::empty [function] [call site] 00119
3 brpc::PopHeader [function] [call site] 00120
3 butil::BoundedQueue::BoundedQueue [function] [call site] 00121
2 end_index [function] [call site] 00134
2 brpc::IndexTable [function] [call site] 00135
2 HPacker::Init [function] [call site] 00136
1 butil::IOBuf::append [function] [call site] 00138
2 butil::IOBuf::append [function] [call site] 00139
2 butil::IOBuf::length [function] [call site] 00141
3 butil::IOBuf::_small [function] [call site] 00142
1 brpc::HPacker::Decode [function] [call site] 00143
2 brpc::HPacker::Decode [function] [call site] 00144
2 butil::IOBufCutter::pop_front [function] [call site] 00145
3 butil::IOBufCutter::load_next_ref [function] [call site] 00146
4 _pop_front_ref [function] [call site] 00147
4 _front_ref [function] [call site] 00149