Fuzz introspector: fuzz_decode_alone
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
2 2 1 :

['abort']

2 2 fuzz_code call site: 00015 /src/xz/tests/ossfuzz/./fuzz_common.h:68
0 4 1 :

['lzma_free']

0 4 lzma_next_end call site: 00006 /src/xz/src/liblzma/common/common.c:158
0 0 None 0 48 lzma_decode call site: 00000 /src/xz/src/liblzma/lzma/lzma_decoder.c:680
0 0 None 0 31 lzma_decoder_init call site: 00000 /src/xz/src/liblzma/lzma/lzma_decoder.c:1148
0 0 None 0 25 alone_decode call site: 00000 /src/xz/src/liblzma/common/alone_decoder.c:76
0 0 None 0 15 lz_decode call site: 00000 /src/xz/src/liblzma/lz/lz_decoder.c:149
0 0 None 0 12 lzma_lz_decoder_init call site: 00000 /src/xz/src/liblzma/lz/lz_decoder.c:301
0 0 None 0 4 lz_decoder_end call site: 00000 /src/xz/src/liblzma/lz/lz_decoder.c:208
0 0 None 0 4 lzma_lzma_decoder_memusage call site: 00000 /src/xz/src/liblzma/lzma/lzma_decoder.c:1226
0 0 None 0 2 decode_buffer call site: 00000 /src/xz/src/liblzma/lz/lz_decoder.c:115
0 0 None 0 0 lzma_alone_decoder_init call site: 00005 /src/xz/src/liblzma/common/alone_decoder.c:214
0 0 None 0 0 alone_decode call site: 00000 /src/xz/src/liblzma/common/alone_decoder.c:116

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 lzma_alone_decoder [function] [call site] 00001
2 lzma_strm_init [function] [call site] 00002
3 lzma_alloc [function] [call site] 00003
2 lzma_alone_decoder_init [function] [call site] 00004
3 lzma_alone_decoder_init [function] [call site] 00005
4 lzma_next_end [function] [call site] 00006
5 lzma_free [function] [call site] 00007
4 lzma_alloc [function] [call site] 00008
2 lzma_end [function] [call site] 00009
3 lzma_next_end [function] [call site] 00010
3 lzma_free [function] [call site] 00011
1 fprintf [call site] 00012
1 abort [call site] 00013
1 fuzz_code [function] [call site] 00014
2 lzma_code [function] [call site] 00015
3 __assert_fail [call site] 00016
2 fprintf [call site] 00017
2 abort [call site] 00018
1 lzma_end [function] [call site] 00019