Fuzz introspector: test/fuzz/fuzzer_minigzip.c
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
107 0 EP call site: 00000 file_compress

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fopen [function] [call site] 00001
1 fwrite [function] [call site] 00002
1 error [function] [call site] 00003
2 fprintf [function] [call site] 00004
2 exit [function] [call site] 00005
1 fclose [function] [call site] 00006
1 error [function] [call site] 00007
1 memset [function] [call site] 00008
1 snprintf [function] [call site] 00009
1 file_compress [function] [call site] 00010
2 strlen [function] [call site] 00011
2 strlen [function] [call site] 00012
2 fprintf [function] [call site] 00013
2 exit [function] [call site] 00014
2 snprintf [function] [call site] 00015
2 fopen [function] [call site] 00016
2 perror [function] [call site] 00017
2 exit [function] [call site] 00018
2 PREFIX [function] [call site] 00019
3 Assert [function] [call site] 00020
3 MAX_DIST [function] [call site] 00021
3 memcpy [function] [call site] 00022
3 FUNCTABLE_CALL [function] [call site] 00023
3 Assert [function] [call site] 00024
3 PREFIX [function] [call site] 00025
3 UNLIKELY [function] [call site] 00026
3 deflate_state*::update_hash [function] [call site] 00027
3 deflate_state*::quick_insert_string [function] [call site] 00028
3 UNLIKELY [function] [call site] 00029
3 deflate_state*::insert_string [function] [call site] 00030
3 memset [function] [call site] 00031
3 memset [function] [call site] 00032
3 Assert [function] [call site] 00033
2 fprintf [function] [call site] 00034
2 exit [function] [call site] 00035
2 gz_compress [function] [call site] 00036
3 gz_compress_mmap [function] [call site] 00037
4 fileno [function] [call site] 00038
4 fstat [function] [call site] 00039
4 mmap [function] [call site] 00040
4 PREFIX [function] [call site] 00041
4 gz_fatal [function] [call site] 00042
5 fprintf [function] [call site] 00043
5 PREFIX [function] [call site] 00044
5 PREFIX [function] [call site] 00045
5 exit [function] [call site] 00046
4 munmap [function] [call site] 00047
4 fclose [function] [call site] 00048
4 PREFIX [function] [call site] 00049
4 error [function] [call site] 00050
3 calloc [function] [call site] 00051
3 perror [function] [call site] 00052
3 exit [function] [call site] 00053
3 fread [function] [call site] 00054
3 ferror [function] [call site] 00055
3 free [function] [call site] 00056
3 perror [function] [call site] 00057
3 exit [function] [call site] 00058
3 PREFIX [function] [call site] 00059
3 gz_fatal [function] [call site] 00060
3 free [function] [call site] 00061
3 fclose [function] [call site] 00062
3 PREFIX [function] [call site] 00063
3 error [function] [call site] 00064
2 unlink [function] [call site] 00065
1 file_uncompress [function] [call site] 00066
2 strlen [function] [call site] 00067
2 strlen [function] [call site] 00068
2 fprintf [function] [call site] 00069
2 exit [function] [call site] 00070
2 snprintf [function] [call site] 00071
2 strcmp [function] [call site] 00072
2 snprintf [function] [call site] 00073
2 PREFIX [function] [call site] 00074
2 fprintf [function] [call site] 00075
2 exit [function] [call site] 00076
2 fopen [function] [call site] 00077
2 perror [function] [call site] 00078
2 exit [function] [call site] 00079
2 gz_uncompress [function] [call site] 00080
3 malloc [function] [call site] 00081
3 error [function] [call site] 00082
3 PREFIX [function] [call site] 00083
3 free [function] [call site] 00084
3 gz_fatal [function] [call site] 00085
3 fwrite [function] [call site] 00086
3 free [function] [call site] 00087
3 error [function] [call site] 00088
3 free [function] [call site] 00089
3 fclose [function] [call site] 00090
3 error [function] [call site] 00091
3 PREFIX [function] [call site] 00092
3 error [function] [call site] 00093
2 unlink [function] [call site] 00094
1 fopen [function] [call site] 00095
1 perror [function] [call site] 00096
1 exit [function] [call site] 00097
1 memset [function] [call site] 00098
1 fread [function] [call site] 00099
1 ferror [function] [call site] 00100
1 perror [function] [call site] 00101
1 exit [function] [call site] 00102
1 memcmp [function] [call site] 00103
1 assert [function] [call site] 00104
1 Z_UNUSED [function] [call site] 00105
1 fclose [function] [call site] 00106
1 error [function] [call site] 00107