Fuzz introspector: compress_fuzzer
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
47 50 LZ4_NbCommonBytes call site: 00050 LZ4_compress_resumeWithPrefix
22 22 LZ4_compress_fast_extState_fastReset call site: 00022 LZ4_writeLE16
8 108 LZ4_readLE16 call site: 00108 LZ4_copyMatchExact
3 98 LZ4_compress_fast_extState_fastReset call site: 00098 LZ4_compress_resumeWithPrefix
2 46 LZ4_writeLE16 call site: 00046 LZ4_NbCommonBytes
2 117 LZ4_decompress_safe call site: 00117 __assert_fail
1 104 LZ4_decompress_safe call site: 00104 __assert_fail

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 FUZZ_dataProducer_create [function] [call site] 00001
2 fprintf [call site] 00002
2 abort [call site] 00003
1 FUZZ_dataProducer_retrieve32 [function] [call site] 00004
1 FUZZ_dataProducer_remainingBytes [function] [call site] 00005
1 LZ4_compressBound [function] [call site] 00006
1 FUZZ_getRange_from_uint32 [function] [call site] 00007
1 fprintf [call site] 00008
1 abort [call site] 00009
1 fprintf [call site] 00010
1 abort [call site] 00011
1 LZ4_compress_default [function] [call site] 00012
2 LZ4_compress_fast [function] [call site] 00013
3 LZ4_compress_fast_extState [function] [call site] 00014
4 LZ4_initStream [function] [call site] 00015
5 LZ4_stream_t_alignment [function] [call site] 00016
5 LZ4_isAligned [function] [call site] 00017
4 __assert_fail [call site] 00018
4 LZ4_compress_fast_extState_fastReset [function] [call site] 00019
5 LZ4_clampAcceleration [function] [call site] 00020
5 __assert_fail [call site] 00021
5 LZ4_compressBound [function] [call site] 00022
5 __assert_fail [call site] 00023
5 __assert_fail [call site] 00024
5 __assert_fail [call site] 00025
5 LZ4_read_ARCH [function] [call site] 00026
5 LZ4_isLittleEndian [function] [call site] 00027
5 LZ4_read32 [function] [call site] 00028
5 __assert_fail [call site] 00029
5 __assert_fail [call site] 00030
5 LZ4_read_ARCH [function] [call site] 00031
5 LZ4_read32 [function] [call site] 00032
5 LZ4_getPositionOnHash [function] [call site] 00033
6 __assert_fail [call site] 00034
5 LZ4_read_ARCH [function] [call site] 00035
5 LZ4_read32 [function] [call site] 00036
5 __assert_fail [call site] 00037
5 LZ4_read32 [function] [call site] 00038
5 __assert_fail [call site] 00039
5 __assert_fail [call site] 00040
5 LZ4_read_ARCH [function] [call site] 00041
5 LZ4_read32 [function] [call site] 00042
5 __assert_fail [call site] 00043
5 LZ4_writeLE16 [function] [call site] 00044
6 LZ4_isLittleEndian [function] [call site] 00045
6 LZ4_write16 [function] [call site] 00046
5 LZ4_read_ARCH [function] [call site] 00047
5 LZ4_NbCommonBytes [function] [call site] 00048
6 __assert_fail [call site] 00049
6 LZ4_isLittleEndian [function] [call site] 00050
5 LZ4_read32 [function] [call site] 00051
5 LZ4_read16 [function] [call site] 00052
5 LZ4_read_ARCH [function] [call site] 00053
5 LZ4_NbCommonBytes [function] [call site] 00054
5 LZ4_read32 [function] [call site] 00055
5 LZ4_read16 [function] [call site] 00056
5 LZ4_read_ARCH [function] [call site] 00057
5 LZ4_NbCommonBytes [function] [call site] 00058
5 LZ4_read32 [function] [call site] 00059
5 LZ4_read16 [function] [call site] 00060
5 LZ4_read_ARCH [function] [call site] 00061
5 LZ4_read32 [function] [call site] 00062
5 __assert_fail [call site] 00063
5 LZ4_write32 [function] [call site] 00064
5 LZ4_read_ARCH [function] [call site] 00065
5 LZ4_read32 [function] [call site] 00066
5 LZ4_read_ARCH [function] [call site] 00067
5 LZ4_read32 [function] [call site] 00068
5 __assert_fail [call site] 00069
5 LZ4_read_ARCH [function] [call site] 00070
5 __assert_fail [call site] 00071
5 LZ4_read_ARCH [function] [call site] 00072
5 LZ4_read32 [function] [call site] 00073
5 LZ4_read_ARCH [function] [call site] 00074
5 LZ4_read32 [function] [call site] 00075
5 __assert_fail [call site] 00076
5 __assert_fail [call site] 00077
5 __assert_fail [call site] 00078
5 LZ4_read_ARCH [function] [call site] 00079
5 __assert_fail [call site] 00080
5 __assert_fail [call site] 00081
5 __assert_fail [call site] 00082
5 LZ4_read_ARCH [function] [call site] 00083
5 LZ4_read32 [function] [call site] 00084
5 LZ4_compress_resumeWithPrefix [function] [call site] 00085
6 __assert_fail [call site] 00086
6 LZ4_getPositionOnHash [function] [call site] 00087
6 LZ4_read32 [function] [call site] 00088
6 LZ4_writeLE16 [function] [call site] 00089
6 LZ4_write32 [function] [call site] 00090
5 __assert_fail [call site] 00091
5 LZ4_getPositionOnHash [function] [call site] 00092
5 LZ4_read32 [function] [call site] 00093
5 LZ4_writeLE16 [function] [call site] 00094
5 LZ4_write32 [function] [call site] 00095
5 __assert_fail [call site] 00096
5 LZ4_compress_resumeWithPrefix [function] [call site] 00097
5 LZ4_largeInputTableType [function] [call site] 00098
5 __assert_fail [call site] 00099
5 __assert_fail [call site] 00100
5 LZ4_compress_resumeWithPrefix [function] [call site] 00101
5 LZ4_largeInputTableType [function] [call site] 00102
1 LZ4_decompress_safe [function] [call site] 00103
2 __assert_fail [call site] 00104
2 __assert_fail [call site] 00105
2 LZ4_readLE16 [function] [call site] 00106
3 LZ4_isLittleEndian [function] [call site] 00107
3 LZ4_read16 [function] [call site] 00108
2 __assert_fail [call site] 00109
2 LZ4_copyMatchExact [function] [call site] 00110
2 __assert_fail [call site] 00111
2 __assert_fail [call site] 00112
2 LZ4_write32 [function] [call site] 00113
2 __assert_fail [call site] 00114
2 __assert_fail [call site] 00115
2 LZ4_copyMatchExact [function] [call site] 00116
2 LZ4_copyMatchExact [function] [call site] 00117
2 __assert_fail [call site] 00118
2 LZ4_write32 [function] [call site] 00119
1 fprintf [call site] 00120
1 abort [call site] 00121
1 memcmp [call site] 00122
1 fprintf [call site] 00123
1 abort [call site] 00124
1 LZ4_compress_destSize [function] [call site] 00125
2 LZ4_compress_destSize_extState_internal [function] [call site] 00126
3 LZ4_initStream [function] [call site] 00127
3 __assert_fail [call site] 00128
3 LZ4_clampAcceleration [function] [call site] 00129
3 LZ4_compressBound [function] [call site] 00130
3 LZ4_compress_fast_extState_fastReset [function] [call site] 00131
3 __assert_fail [call site] 00132
3 LZ4_compress_resumeWithPrefix [function] [call site] 00133
3 LZ4_largeInputTableType [function] [call site] 00134
3 __assert_fail [call site] 00135
3 LZ4_compress_resumeWithPrefix [function] [call site] 00136
1 fprintf [call site] 00137
1 abort [call site] 00138
1 LZ4_decompress_safe [function] [call site] 00139
1 fprintf [call site] 00140
1 abort [call site] 00141
1 memcmp [call site] 00142
1 fprintf [call site] 00143
1 abort [call site] 00144
1 FUZZ_dataProducer_free [function] [call site] 00145