Fuzz introspector: debug_abbrev
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 33 Reader::read_u8 call site: 00033 SubRange::read_slice
23 122 Reader::read_sleb128 call site: 00122 Abbreviations::insert
21 9 DebugAbbrev::abbreviations call site: 00009 ArrayVec::try_push
18 81 Reader::read_uleb128_u16 call site: 00081 Abbreviation::parse_has_children
13 108 AttributeSpecification::new call site: 00108 AttributeSpecification::parse
9 71 Reader::read_uleb128 call site: 00071 Reader::read_u8
7 63 Abbreviations::empty call site: 00063 Abbreviation::parse
7 156 Abbreviations::insert call site: 00156 ArrayVec::try_push
5 101 Reader::read_u8 call site: 00101 Abbreviation::parse_attributes
4 178 Abbreviations::insert call site: 00178 Expression::set_target
3 0 EP call site: 00000
2 6 DebugAbbrev::new call site: 00006 DebugAbbrev::abbreviations

Fuzzer calltree

0 fuzz_target [function] [call site] 00000
1 EndianVec::len [function] [call site] 00001
2 EndianVec::len [function] [call site] 00002
1 DebugAbbrev::new [function] [call site] 00003
2 DebugFrameOffset::from [function] [call site] 00004
3 DebugFrameOffset [function] [call site] 00005
2 EndianSlice::new [function] [call site] 00006
1 gimli::DebugAbbrevOffset [function] [call site] 00007
1 DebugAbbrev::abbreviations [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
4 Vec::grow [function] [call site] 00015
5 core::mem::replace [function] [call site] 00016
5 Expression::new [function] [call site] 00017
6 LineEncoding::default [function] [call site] 00018
5 DebugFrameOffset::into [function] [call site] 00019
5 Vec::reserve [function] [call site] 00020
5 Vec::set_len [function] [call site] 00021
5 Vec::capacity [function] [call site] 00022
5 Vec::into_boxed_slice [function] [call site] 00023
4 [T; [call site] 00025
4 Expression::new [function] [call site] 00026
5 LineEncoding::default [function] [call site] 00027
3 ArrayVec::clone [function] [call site] 00029
3 Result::unwrap [function] [call site] 00030
2 read::skip [function] [call site] 00031
3 Reader::read_u8 [function] [call site] 00032
4 Reader::read_u8_array [function] [call site] 00033
5 LineEncoding::default [function] [call site] 00034
5 EndianReader::read_slice [function] [call site] 00035
6 SubRange::read_slice [function] [call site] 00036
7 SubRange::len [function] [call site] 00037
7 slice::from_raw_parts [function] [call site] 00038
7 SubRange::skip [function] [call site] 00039
8 AbbreviationTable::add [function] [call site] 00040
9 insert_full [function] [call site] 00041
6 EndianVec::len [function] [call site] 00043
7 EndianVec::len [function] [call site] 00044
6 Vec::copy_from_slice [function] [call site] 00045
6 Error::UnexpectedEof [function] [call site] 00048
6 EndianReader::offset_id [function] [call site] 00049
7 read::ReaderOffsetId [function] [call site] 00050
7 EndianReader::bytes [function] [call site] 00051
8 SubRange::bytes [function] [call site] 00052
9 slice::from_raw_parts [function] [call site] 00053
7 &[u8]::as_ptr [function] [call site] 00054
5 <A [call site] 00055
2 Abbreviations::parse [function] [call site] 00059
3 Abbreviations::empty [function] [call site] 00060
4 EndianVec::new [function] [call site] 00061
5 EndianVec::new [function] [call site] 00062
4 btree_map::BTreeMap::new [function] [call site] 00063
5 LineEncoding::default [function] [call site] 00064
3 Abbreviation::parse [function] [call site] 00065
4 LineProgram::is_empty [function] [call site] 00066
5 LineProgram::is_empty [function] [call site] 00067
6 LineProgram::is_empty [function] [call site] 00068
4 Reader::read_uleb128 [function] [call site] 00070
5 leb128::read::unsigned [function] [call site] 00071
6 Reader::read_u8 [function] [call site] 00072
6 DebugFrameOffset::from [function] [call site] 00074
7 DebugFrameOffset [function] [call site] 00075
6 low_bits_of_byte [function] [call site] 00076
4 Abbreviation::parse_tag [function] [call site] 00079
5 Reader::read_uleb128_u16 [function] [call site] 00080
6 leb128::read::u16 [function] [call site] 00081
7 Reader::read_u8 [function] [call site] 00082
7 DebugFrameOffset::from [function] [call site] 00083
8 DebugFrameOffset [function] [call site] 00084
7 low_bits_of_byte [function] [call site] 00085
7 Reader::read_u8 [function] [call site] 00087
7 DebugFrameOffset::from [function] [call site] 00088
7 low_bits_of_byte [function] [call site] 00089
7 Reader::read_u8 [function] [call site] 00091
7 DebugFrameOffset::from [function] [call site] 00093
5 constants::DwTag [function] [call site] 00097
4 Abbreviation::parse_has_children [function] [call site] 00098
5 Reader::read_u8 [function] [call site] 00099
6 Reader::read_u8_array [function] [call site] 00100
5 constants::DwChildren [function] [call site] 00102
4 Abbreviation::parse_attributes [function] [call site] 00105
5 Attributes::new [function] [call site] 00106
6 AttributeSpecification::new [function] [call site] 00107
7 Option::unwrap_or [function] [call site] 00108
5 AttributeSpecification::parse [function] [call site] 00109
6 Reader::read_uleb128_u16 [function] [call site] 00110
6 Reader::read_uleb128_u16 [function] [call site] 00111
6 constants::DwAt [function] [call site] 00114
6 AttributeSpecification::parse_form [function] [call site] 00115
7 Reader::read_uleb128_u16 [function] [call site] 00116
7 constants::DwForm [function] [call site] 00119
6 Reader::read_sleb128 [function] [call site] 00121
7 leb128::read::signed [function] [call site] 00122
8 Reader::read_u8 [function] [call site] 00123
8 DebugFrameOffset::from [function] [call site] 00125
9 DebugFrameOffset [function] [call site] 00126
8 low_bits_of_byte [function] [call site] 00127
6 AttributeSpecification::new [function] [call site] 00129
5 Evaluation::push [function] [call site] 00132
6 ArrayVec::try_push [function] [call site] 00133
7 [T; [call site] 00134
7 Self::Storage::len [function] [call site] 00135
7 Vec::grow [function] [call site] 00136
7 [T; [call site] 00137
7 Expression::new [function] [call site] 00138
4 Abbreviation::new [function] [call site] 00142
3 Abbreviations::insert [function] [call site] 00145
4 EndianVec::len [function] [call site] 00146
4 EndianVec::len [function] [call site] 00148
4 LineProgram::is_empty [function] [call site] 00149
4 contains_key [function] [call site] 00150
4 Evaluation::push [function] [call site] 00152
5 ArrayVec::try_push [function] [call site] 00153
4 DebugInfoOffsets::entry [function] [call site] 00156
5 UnitSectionOffset::as_debug_info_offset [function] [call site] 00157
6 ArrayVec::clone [function] [call site] 00159
7 LineEncoding::default [function] [call site] 00160
7 ArrayVec::try_push [function] [call site] 00161
7 ArrayVec::clone [function] [call site] 00162
7 Result::unwrap [function] [call site] 00163
4 Abbreviations::insert [function] [call site] 00165
5 EndianVec::len [function] [call site] 00166
5 EndianVec::len [function] [call site] 00168
5 LineProgram::is_empty [function] [call site] 00169
5 contains_key [function] [call site] 00170
5 Evaluation::push [function] [call site] 00172
5 DebugInfoOffsets::entry [function] [call site] 00174
5 Abbreviations::insert [function] [call site] 00176
3 ::core::result::Result::is_err [function] [call site] 00179
1 Expression::set_target [function] [call site] 00182