Fuzz introspector: debug_info
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
23 42 Reader::read_u8 call site: 00042 SubRange::read_slice
23 130 Reader::read_sleb128 call site: 00130 Abbreviations::insert
22 9 DebugInfo::units call site: 00009 ArrayVec::try_push
18 89 Reader::read_uleb128_u16 call site: 00089 Abbreviation::parse_has_children
13 116 AttributeSpecification::new call site: 00116 AttributeSpecification::parse
8 0 EP call site: 00000
8 80 Reader::read_uleb128 call site: 00080 Reader::read_u8
7 72 Abbreviations::empty call site: 00072 Abbreviation::parse
7 164 Abbreviations::insert call site: 00164 ArrayVec::try_push
6 186 Abbreviations::insert call site: 00186 EntriesCursor::next_dfs
5 33 DebugInfo::units call site: 00033 DebugAbbrev::abbreviations
5 109 Reader::read_u8 call site: 00109 Abbreviation::parse_attributes

Fuzzer calltree

0 fuzz_target [function] [call site] 00000
1 DebugAbbrev::new [function] [call site] 00001
2 DebugFrameOffset::from [function] [call site] 00002
3 DebugFrameOffset [function] [call site] 00003
2 EndianSlice::new [function] [call site] 00004
1 DebugInfo::new [function] [call site] 00005
2 DebugFrameOffset::from [function] [call site] 00006
2 EndianSlice::new [function] [call site] 00007
1 DebugInfo::units [function] [call site] 00008
2 ArrayVec::clone [function] [call site] 00009
3 LineEncoding::default [function] [call site] 00010
3 ArrayVec::try_push [function] [call site] 00011
4 [T; [call site] 00012
4 Self::Storage::len [function] [call site] 00013
5 EndianVec::len [function] [call site] 00014
6 EndianVec::len [function] [call site] 00015
4 Vec::grow [function] [call site] 00016
5 core::mem::replace [function] [call site] 00017
5 Expression::new [function] [call site] 00018
6 LineEncoding::default [function] [call site] 00019
5 DebugFrameOffset::into [function] [call site] 00020
5 Vec::reserve [function] [call site] 00021
5 Vec::set_len [function] [call site] 00022
5 Vec::capacity [function] [call site] 00023
5 Vec::into_boxed_slice [function] [call site] 00024
4 [T; [call site] 00026
4 Expression::new [function] [call site] 00027
5 LineEncoding::default [function] [call site] 00028
3 ArrayVec::clone [function] [call site] 00030
3 Result::unwrap [function] [call site] 00031
2 common::DebugInfoOffset [function] [call site] 00032
2 R::Offset::from_u8 [function] [call site] 00033
3 DebugFrameOffset::from [function] [call site] 00034
4 DebugFrameOffset [function] [call site] 00035
1 DebugInfoUnitHeadersIter::next [function] [call site] 00036
2 DebugInfoUnitHeadersIter::next [function] [call site] 00037
1 DebugAbbrev::abbreviations [function] [call site] 00038
2 ArrayVec::clone [function] [call site] 00039
2 read::skip [function] [call site] 00040
3 Reader::read_u8 [function] [call site] 00041
4 Reader::read_u8_array [function] [call site] 00042
5 LineEncoding::default [function] [call site] 00043
5 EndianReader::read_slice [function] [call site] 00044
6 SubRange::read_slice [function] [call site] 00045
7 SubRange::len [function] [call site] 00046
7 slice::from_raw_parts [function] [call site] 00047
7 SubRange::skip [function] [call site] 00048
8 AbbreviationTable::add [function] [call site] 00049
9 insert_full [function] [call site] 00050
6 EndianVec::len [function] [call site] 00052
7 EndianVec::len [function] [call site] 00053
6 Vec::copy_from_slice [function] [call site] 00054
6 Error::UnexpectedEof [function] [call site] 00057
6 EndianReader::offset_id [function] [call site] 00058
7 read::ReaderOffsetId [function] [call site] 00059
7 EndianReader::bytes [function] [call site] 00060
8 SubRange::bytes [function] [call site] 00061
9 slice::from_raw_parts [function] [call site] 00062
7 &[u8]::as_ptr [function] [call site] 00063
5 <A [call site] 00064
2 Abbreviations::parse [function] [call site] 00068
3 Abbreviations::empty [function] [call site] 00069
4 EndianVec::new [function] [call site] 00070
5 EndianVec::new [function] [call site] 00071
4 btree_map::BTreeMap::new [function] [call site] 00072
5 LineEncoding::default [function] [call site] 00073
3 Abbreviation::parse [function] [call site] 00074
4 LineProgram::is_empty [function] [call site] 00075
5 LineProgram::is_empty [function] [call site] 00076
6 LineProgram::is_empty [function] [call site] 00077
4 Reader::read_uleb128 [function] [call site] 00079
5 leb128::read::unsigned [function] [call site] 00080
6 Reader::read_u8 [function] [call site] 00081
6 DebugFrameOffset::from [function] [call site] 00083
6 low_bits_of_byte [function] [call site] 00084
4 Abbreviation::parse_tag [function] [call site] 00087
5 Reader::read_uleb128_u16 [function] [call site] 00088
6 leb128::read::u16 [function] [call site] 00089
7 Reader::read_u8 [function] [call site] 00090
7 DebugFrameOffset::from [function] [call site] 00091
8 DebugFrameOffset [function] [call site] 00092
7 low_bits_of_byte [function] [call site] 00093
7 Reader::read_u8 [function] [call site] 00095
7 DebugFrameOffset::from [function] [call site] 00096
7 low_bits_of_byte [function] [call site] 00097
7 Reader::read_u8 [function] [call site] 00099
7 DebugFrameOffset::from [function] [call site] 00101
5 constants::DwTag [function] [call site] 00105
4 Abbreviation::parse_has_children [function] [call site] 00106
5 Reader::read_u8 [function] [call site] 00107
6 Reader::read_u8_array [function] [call site] 00108
5 constants::DwChildren [function] [call site] 00110
4 Abbreviation::parse_attributes [function] [call site] 00113
5 Attributes::new [function] [call site] 00114
6 AttributeSpecification::new [function] [call site] 00115
7 Option::unwrap_or [function] [call site] 00116
5 AttributeSpecification::parse [function] [call site] 00117
6 Reader::read_uleb128_u16 [function] [call site] 00118
6 Reader::read_uleb128_u16 [function] [call site] 00119
6 constants::DwAt [function] [call site] 00122
6 AttributeSpecification::parse_form [function] [call site] 00123
7 Reader::read_uleb128_u16 [function] [call site] 00124
7 constants::DwForm [function] [call site] 00127
6 Reader::read_sleb128 [function] [call site] 00129
7 leb128::read::signed [function] [call site] 00130
8 Reader::read_u8 [function] [call site] 00131
8 DebugFrameOffset::from [function] [call site] 00133
9 DebugFrameOffset [function] [call site] 00134
8 low_bits_of_byte [function] [call site] 00135
6 AttributeSpecification::new [function] [call site] 00137
5 Evaluation::push [function] [call site] 00140
6 ArrayVec::try_push [function] [call site] 00141
7 [T; [call site] 00142
7 Self::Storage::len [function] [call site] 00143
7 Vec::grow [function] [call site] 00144
7 [T; [call site] 00145
7 Expression::new [function] [call site] 00146
4 Abbreviation::new [function] [call site] 00150
3 Abbreviations::insert [function] [call site] 00153
4 EndianVec::len [function] [call site] 00154
4 EndianVec::len [function] [call site] 00156
4 LineProgram::is_empty [function] [call site] 00157
4 contains_key [function] [call site] 00158
4 Evaluation::push [function] [call site] 00160
5 ArrayVec::try_push [function] [call site] 00161
4 DebugInfoOffsets::entry [function] [call site] 00164
5 UnitSectionOffset::as_debug_info_offset [function] [call site] 00165
6 ArrayVec::clone [function] [call site] 00167
7 LineEncoding::default [function] [call site] 00168
7 ArrayVec::try_push [function] [call site] 00169
7 ArrayVec::clone [function] [call site] 00170
7 Result::unwrap [function] [call site] 00171
4 Abbreviations::insert [function] [call site] 00173
5 EndianVec::len [function] [call site] 00174
5 EndianVec::len [function] [call site] 00176
5 LineProgram::is_empty [function] [call site] 00177
5 contains_key [function] [call site] 00178
5 Evaluation::push [function] [call site] 00180
5 DebugInfoOffsets::entry [function] [call site] 00182
5 Abbreviations::insert [function] [call site] 00184
3 ::core::result::Result::is_err [function] [call site] 00187
1 AddrHeader::entries [function] [call site] 00190
2 ArrayVec::clone [function] [call site] 00191
1 EntriesCursor::next_dfs [function] [call site] 00192
2 EntriesCursor::next_entry [function] [call site] 00193
3 DebuggingInformationEntry::after_attrs [function] [call site] 00194
4 Expression::set_target [function] [call site] 00195
4 ArrayVec::clone [function] [call site] 00196
4 read::skip [function] [call site] 00197
4 DebuggingInformationEntry::attrs [function] [call site] 00199
5 ArrayVec::clone [function] [call site] 00200
5 Abbreviation::attributes [function] [call site] 00201
4 AttrsIter::next [function] [call site] 00202
5 AttrsIter::next [function] [call site] 00203
3 LineProgram::is_empty [function] [call site] 00206
3 DebuggingInformationEntry::parse [function] [call site] 00208
4 UnitHeader::header_size [function] [call site] 00209
5 UnitHeader::length_including_self [function] [call site] 00210
6 u64::from_u8 [function] [call site] 00211
7 DebugFrameOffset::from [function] [call site] 00212
6 UnitHeader::format [function] [call site] 00213
6 Format::initial_length_size [function] [call site] 00214
5 EndianVec::len [function] [call site] 00215
4 OperationIter::offset_from [function] [call site] 00216
5 OperationIter::offset_from [function] [call site] 00217
6 OperationIter::offset_from [function] [call site] 00218
4 Reader::read_uleb128 [function] [call site] 00219
4 Expression::set_target [function] [call site] 00221
4 Error::UnknownAbbreviation [function] [call site] 00223
4 read::UnitOffset [function] [call site] 00226
4 ArrayVec::clone [function] [call site] 00227
5 LineEncoding::default [function] [call site] 00228
5 ArrayVec::try_push [function] [call site] 00229
5 ArrayVec::clone [function] [call site] 00230
5 Result::unwrap [function] [call site] 00231
4 Expression::new [function] [call site] 00232
5 LineEncoding::default [function] [call site] 00233
3 Abbreviation::has_children [function] [call site] 00234
3 LineProgram::is_empty [function] [call site] 00240
4 LineProgram::is_empty [function] [call site] 00241
1 DebuggingInformationEntry::attrs [function] [call site] 00247
2 ArrayVec::clone [function] [call site] 00248
2 Abbreviation::attributes [function] [call site] 00249
1 AttrsIter::next [function] [call site] 00250