Fuzz introspector: fuzz_read
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
84 40 imageio.core.fetching.get_remote_file call site: {node_id} imageio.core.fetching._fetch_file
16 151 imageio.core.imopen.imopen call site: {node_id} imageio.core.request.Request.__init__
9 128 imageio.core.request.Request.__init__ call site: {node_id} imageio.core.request.Request.finish
8 3 ...imageio.tests.fuzzers.fuzz_read.TestOneInput call site: {node_id} imageio.v2.imread
6 12 imageio.v2.decypher_format_arg call site: {node_id} imageio.core.imopen.imopen
6 23 imageio.core.request.Request._parse_uri call site: {node_id} imageio.core.fetching.get_remote_file
6 30 imageio.core.fetching.get_remote_file call site: {node_id} resource_dirs.insert
3 19 imageio.core.imopen.imopen call site: {node_id} imageio.core.request.Request.__init__
3 141 imageio.core.request.Request.finish call site: {node_id} imageio.core.request.SeekableFileObject.close
2 125 imageio.core.request.Request.__init__ call site: {node_id} pathlib.Path
2 148 imageio.core.request.Request.finish call site: {node_id} imageio.core.imopen.imopen.loader
1 146 imageio.core.request.Request.finish call site: {node_id} os.remove

Fuzzer calltree

0 ...imageio.tests.fuzzers.fuzz_read.TestOneInput [function] [call site] 00000
1 <builtin>.open [function] [call site] 00001
1 img1_f.write [function] [call site] 00002
1 imageio.imread [function] [call site] 00003
2 warnings.warn [function] [call site] 00004
2 imageio.v2.imread [function] [call site] 00005
3 imageio.v2.decypher_format_arg [function] [call site] 00006
4 pathlib.Path [function] [call site] 00007
4 pathlib.Path.suffix.lower [function] [call site] 00008
4 pathlib.Path [function] [call site] 00009
4 pathlib.Path.suffix.lower [function] [call site] 00010
4 format_name.upper [function] [call site] 00011
4 format_name.upper [function] [call site] 00012
4 format_name.lower [function] [call site] 00013
4 format_name.lower [function] [call site] 00014
4 format_name.lower [function] [call site] 00015
4 format_name.lower [function] [call site] 00016
3 imageio.core.imopen.imopen [function] [call site] 00017
4 <builtin>.isinstance [function] [call site] 00018
4 warnings.warn [function] [call site] 00019
4 imageio.core.request.Request.__init__ [function] [call site] 00020
5 enum.Enum.__init__ [function] [call site] 00021
5 imageio.core.request.Request._parse_uri [function] [call site] 00022
6 <builtin>.isinstance [function] [call site] 00023
6 uri.startswith [function] [call site] 00024
6 uri.split [function] [call site] 00025
6 fn.partition [function] [call site] 00026
6 imageio.core.fetching.get_remote_file [function] [call site] 00027
7 os.path.normcase [function] [call site] 00028
7 appdata_dir [function] [call site] 00029
7 resource_dirs [function] [call site] 00030
7 resource_dirs.insert [function] [call site] 00031
7 os.path.join [function] [call site] 00032
7 os.path.isfile [function] [call site] 00033
7 os.path.join [function] [call site] 00034
7 os.path.dirname [function] [call site] 00035
7 os.path.isdir [function] [call site] 00036
7 os.path.dirname [function] [call site] 00037
7 os.path.abspath [function] [call site] 00038
7 os.makedirs [function] [call site] 00039
7 shutil.copy [function] [call site] 00040
7 <builtin>.isinstance [function] [call site] 00041
7 time.strptime [function] [call site] 00042
7 os.path.getctime [function] [call site] 00043
7 time.gmtime [function] [call site] 00044
7 os.path.join [function] [call site] 00045
7 os.path.dirname [function] [call site] 00046
7 os.path.isdir [function] [call site] 00047
7 os.path.dirname [function] [call site] 00048
7 os.path.abspath [function] [call site] 00049
7 os.makedirs [function] [call site] 00050
7 shutil.copy [function] [call site] 00051
7 <builtin>.print [function] [call site] 00052
7 os.getenv [function] [call site] 00053
7 os.path.join [function] [call site] 00054
7 os.path.dirname [function] [call site] 00055
7 os.path.isdir [function] [call site] 00056
7 os.path.dirname [function] [call site] 00057
7 os.path.abspath [function] [call site] 00058
7 os.makedirs [function] [call site] 00059
7 os.getenv [function] [call site] 00060
7 <builtin>.range [function] [call site] 00061
7 imageio.core.fetching._fetch_file [function] [call site] 00062
8 <builtin>.print [function] [call site] 00063
8 os.path.basename [function] [call site] 00064
8 <builtin>.range [function] [call site] 00065
8 urlopen [function] [call site] 00066
8 <builtin>.int [function] [call site] 00067
8 imageio.core.fetching._sizeof_fmt [function] [call site] 00068
9 math.log [function] [call site] 00069
9 <builtin>.int [function] [call site] 00070
9 <builtin>.len [function] [call site] 00071
9 <builtin>.min [function] [call site] 00072
9 <builtin>.float [function] [call site] 00073
9 format_string.format [function] [call site] 00074
8 <builtin>.print [function] [call site] 00075
8 <builtin>.open [function] [call site] 00076
8 imageio.core.fetching._chunk_read [function] [call site] 00077
9 <builtin>.int [function] [call site] 00078
9 StdoutProgressIndicator [function] [call site] 00079
9 StdoutProgressIndicator.start [function] [call site] 00080
9 urlopen.read [function] [call site] 00081
9 <builtin>.len [function] [call site] 00082
9 imageio.core.fetching._chunk_write [function] [call site] 00083
10 local_file.write [function] [call site] 00084
10 <builtin>.len [function] [call site] 00085
10 StdoutProgressIndicator.increase_progress [function] [call site] 00086
10 time.sleep [function] [call site] 00087
9 StdoutProgressIndicator.finish [function] [call site] 00088
8 local_file.close [function] [call site] 00089
8 shutil.move [function] [call site] 00090
8 sys.stdout.write [function] [call site] 00091
8 errors.append [function] [call site] 00092
8 <builtin>.str [function] [call site] 00093
8 <builtin>.print [function] [call site] 00094
8 local_file.close [function] [call site] 00095
7 time.sleep [function] [call site] 00096
7 imageio.core.fetching._fetch_file [function] [call site] 00097
6 uri.startswith [function] [call site] 00098
6 uri.startswith [function] [call site] 00099
6 uri.startswith [function] [call site] 00100
6 uri.startswith [function] [call site] 00101
6 uri.startswith [function] [call site] 00102
6 uri.startswith [function] [call site] 00103
6 uri.startswith [function] [call site] 00104
6 <builtin>.isinstance [function] [call site] 00105
6 uri.tobytes [function] [call site] 00106
6 <builtin>.isinstance [function] [call site] 00107
6 <builtin>.isinstance [function] [call site] 00108
6 <builtin>.str [function] [call site] 00109
6 <builtin>.hasattr [function] [call site] 00110
6 <builtin>.hasattr [function] [call site] 00111
6 <builtin>.hasattr [function] [call site] 00112
6 <builtin>.hasattr [function] [call site] 00113
6 os.path.expanduser [function] [call site] 00114
6 os.path.isdir [function] [call site] 00115
6 os.path.isfile [function] [call site] 00116
6 <builtin>.repr [function] [call site] 00117
6 <builtin>.len [function] [call site] 00118
6 os.path.exists [function] [call site] 00119
6 os.path.abspath [function] [call site] 00120
6 os.path.abspath [function] [call site] 00121
6 os.path.exists [function] [call site] 00122
6 os.path.dirname [function] [call site] 00123
6 os.path.exists [function] [call site] 00124
5 urllib.parse.urlparse [function] [call site] 00125
5 pathlib.Path [function] [call site] 00126
5 pathlib.Path.suffix.lower [function] [call site] 00127
5 warnings.warn [function] [call site] 00128
4 <builtin>.isinstance [function] [call site] 00129
4 <builtin>.isinstance [function] [call site] 00130
4 imageio.core.request.Request.finish [function] [call site] 00131
5 pathlib.Path [function] [call site] 00132
5 pathlib.Path.read_bytes [function] [call site] 00133
5 io.BytesIO.getvalue [function] [call site] 00134
5 urllib.request.urlopen.getvalue [function] [call site] 00135
5 urllib.request.urlopen.write [function] [call site] 00136
5 io.BytesIO.write [function] [call site] 00137
5 zipfile.ZipFile [function] [call site] 00138
5 zf.writestr [function] [call site] 00139
5 zf.close [function] [call site] 00140
5 imageio.core.request.SeekableFileObject.close [function] [call site] 00141
6 imageio.core.request.SeekableFileObject.close [function] [call site] 00142
6 io.BytesIO.close [function] [call site] 00143
6 urllib.request.urlopen.close [function] [call site] 00144
5 io.BytesIO.close [function] [call site] 00145
5 urllib.request.urlopen.close [function] [call site] 00146
5 os.remove [function] [call site] 00147
5 warnings.warn [function] [call site] 00148
4 imageio.core.imopen.imopen.loader [function] [call site] 00149
5 config.plugin_class [function] [call site] 00150
4 imageio.core.request.Request.finish [function] [call site] 00151
4 <builtin>.isinstance [function] [call site] 00152
4 uri.startswith [function] [call site] 00153
4 imageio.core.request.Request.finish [function] [call site] 00154
4 pathlib.Path [function] [call site] 00155
4 pathlib.Path.is_dir [function] [call site] 00156
4 imageio.core.request.Request.finish [function] [call site] 00157
4 imageio.core.request.Request.finish [function] [call site] 00158
4 known_plugins.values [function] [call site] 00159
4 imageio.core.request.Request.__init__ [function] [call site] 00160
4 config.plugin_class [function] [call site] 00161
4 <builtin>.list [function] [call site] 00162
4 missing_plugins.append [function] [call site] 00163
4 <builtin>.len [function] [call site] 00164
4 imageio.core.request.Request.finish [function] [call site] 00165
3 file.read [function] [call site] 00166
1 os.remove [function] [call site] 00167