Fuzz introspector: compress_fuzzer
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity Unique Reachable Complexities Unique Reachable Functions All non-covered Complexity All Reachable Complexity Function Name Function Callsite Blocked Branch
0 0 None 8 192 LZ4_compress_fast_extState call site: 00047 /src/lz4/lib/lz4.c:1363
0 0 None 0 0 LZ4_writeLE16 call site: 00000 /src/lz4/lib/./lz4.c:436
0 0 None 0 0 LZ4_NbCommonBytes call site: 00000 /src/lz4/lib/./lz4.c:564
0 0 None 0 0 LZ4_readLE16 call site: 00055 /src/lz4/lib/lz4.c:426
0 0 None 0 0 FUZZ_dataProducer_retrieve32 call site: 00003 /src/lz4/ossfuzz/fuzz_data_producer.c:23
0 0 None 0 0 FUZZ_getRange_from_uint32 call site: 00006 /src/lz4/ossfuzz/fuzz_data_producer.c:37

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 FUZZ_dataProducer_create [function] [call site] 00001
2 fprintf [call site] 00002
1 FUZZ_dataProducer_retrieve32 [function] [call site] 00003
1 FUZZ_dataProducer_remainingBytes [function] [call site] 00004
1 LZ4_compressBound [function] [call site] 00005
1 FUZZ_getRange_from_uint32 [function] [call site] 00006
1 fprintf [call site] 00007
1 fprintf [call site] 00008
1 LZ4_compress_default [function] [call site] 00009
2 LZ4_compress_fast [function] [call site] 00010
3 LZ4_compress_fast_extState [function] [call site] 00011
4 LZ4_initStream [function] [call site] 00012
5 LZ4_stream_t_alignment [function] [call site] 00013
4 __assert_fail [call site] 00014
4 LZ4_compressBound [function] [call site] 00015
4 __assert_fail [call site] 00016
4 __assert_fail [call site] 00017
4 LZ4_read_ARCH [function] [call site] 00018
4 LZ4_isLittleEndian [function] [call site] 00019
4 __assert_fail [call site] 00020
4 __assert_fail [call site] 00021
4 LZ4_read_ARCH [function] [call site] 00022
4 LZ4_getPositionOnHash [function] [call site] 00023
5 __assert_fail [call site] 00024
4 LZ4_read_ARCH [function] [call site] 00025
4 __assert_fail [call site] 00026
4 __assert_fail [call site] 00027
4 __assert_fail [call site] 00028
4 LZ4_read_ARCH [function] [call site] 00029
4 __assert_fail [call site] 00030
4 LZ4_read_ARCH [function] [call site] 00031
4 LZ4_read_ARCH [function] [call site] 00032
4 LZ4_read_ARCH [function] [call site] 00033
4 LZ4_read_ARCH [function] [call site] 00034
4 __assert_fail [call site] 00035
4 LZ4_read_ARCH [function] [call site] 00036
4 __assert_fail [call site] 00037
4 __assert_fail [call site] 00038
4 LZ4_read_ARCH [function] [call site] 00039
4 LZ4_getPositionOnHash [function] [call site] 00040
4 LZ4_read_ARCH [function] [call site] 00041
4 __assert_fail [call site] 00042
4 LZ4_read_ARCH [function] [call site] 00043
4 __assert_fail [call site] 00044
4 __assert_fail [call site] 00045
4 __assert_fail [call site] 00046
4 LZ4_read_ARCH [function] [call site] 00047
4 __assert_fail [call site] 00048
4 __assert_fail [call site] 00049
4 __assert_fail [call site] 00050
1 LZ4_decompress_safe [function] [call site] 00051
2 __assert_fail [call site] 00052
2 __assert_fail [call site] 00053
2 LZ4_readLE16 [function] [call site] 00054
3 LZ4_isLittleEndian [function] [call site] 00055
3 LZ4_read16 [function] [call site] 00056
2 __assert_fail [call site] 00057
2 __assert_fail [call site] 00058
2 __assert_fail [call site] 00059
2 LZ4_write32 [function] [call site] 00060
2 __assert_fail [call site] 00061
2 __assert_fail [call site] 00062
1 fprintf [call site] 00063
1 memcmp [call site] 00064
1 LZ4_compress_destSize [function] [call site] 00065
2 LZ4_compress_destSize_extState [function] [call site] 00066
3 LZ4_initStream [function] [call site] 00067
3 __assert_fail [call site] 00068
3 LZ4_compressBound [function] [call site] 00069
3 LZ4_compress_fast_extState [function] [call site] 00070
3 __assert_fail [call site] 00071
3 __assert_fail [call site] 00072
1 fprintf [call site] 00073
1 LZ4_decompress_safe [function] [call site] 00074
1 fprintf [call site] 00075
1 memcmp [call site] 00076
1 FUZZ_dataProducer_free [function] [call site] 00077