Fuzz introspector: fuzz_profile
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
8 64 babel.messages.pofile.PoFileParser._process_comment call site: 00064 babel.messages.pofile._extract_locations
7 30 babel.messages.pofile.PoFileParser._add_message call site: 00030 babel.messages.pofile.PoFileParser._invalid_pofile
4 5 babel.messages.catalog.Catalog.__init__ call site: 00005 .isinstance
4 57 babel.messages.pofile.PoFileParser._process_keyword_line call site: 00057 babel.messages.pofile._NormalizedString.__init__
3 26 babel.messages.pofile.PoFileParser._process_keyword_line call site: 00026 babel.messages.pofile.PoFileParser._finish_current_message
3 47 babel.messages.catalog.Message.__init__ call site: 00047 babel.messages.catalog.Catalog._key_for
2 15 babel.messages.pofile.PoFileParser.parse call site: 00015 babel.messages.pofile.PoFileParser._process_message_line
2 22 babel.messages.pofile.PoFileParser._invalid_pofile call site: 00022 line.strip
1 38 babel.messages.pofile.PoFileParser._add_message call site: 00038 .map
1 52 babel.messages.pofile.PoFileParser._add_message call site: 00052 babel.messages.pofile._NormalizedString.__init__
1 55 babel.messages.pofile._NormalizedString.__init__ call site: 00055 babel.messages.pofile._NormalizedString.__init__

Fuzzer calltree

0 ...fuzz_profile.TestOneInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00002
1 babel.messages.pofile.read_po [function] [call site] 00003
2 babel.messages.catalog.Catalog.__init__ [function] [call site] 00004
3 datetime.datetime.now [function] [call site] 00005
3 <builtin>.isinstance [function] [call site] 00006
3 creation_date.replace [function] [call site] 00007
3 <builtin>.isinstance [function] [call site] 00008
3 revision_date.replace [function] [call site] 00009
2 babel.messages.pofile.PoFileParser.__init__ [function] [call site] 00010
3 babel.messages.pofile.PoFileParser._reset_message_state [function] [call site] 00011
2 babel.messages.pofile.PoFileParser.parse [function] [call site] 00012
3 <builtin>.enumerate [function] [call site] 00013
3 line.strip [function] [call site] 00014
3 <builtin>.isinstance [function] [call site] 00015
3 line.decode [function] [call site] 00016
3 babel.messages.pofile.PoFileParser._process_message_line [function] [call site] 00017
4 babel.messages.pofile.PoFileParser._process_string_continuation_line [function] [call site] 00018
5 babel.messages.pofile.PoFileParser._invalid_pofile [function] [call site] 00019
6 <builtin>.isinstance [function] [call site] 00020
6 <builtin>.print [function] [call site] 00021
6 <builtin>.print [function] [call site] 00022
5 line.strip [function] [call site] 00023
4 babel.messages.pofile.PoFileParser._process_keyword_line [function] [call site] 00025
5 line.partition [function] [call site] 00026
5 babel.messages.pofile.PoFileParser._finish_current_message [function] [call site] 00027
6 babel.messages.pofile.PoFileParser._invalid_pofile [function] [call site] 00028
6 babel.messages.pofile.PoFileParser._add_message [function] [call site] 00029
7 <builtin>.len [function] [call site] 00030
7 m.denormalize [function] [call site] 00031
7 <builtin>.tuple [function] [call site] 00032
7 <builtin>.range [function] [call site] 00033
7 <builtin>.sorted [function] [call site] 00034
7 babel.messages.pofile.PoFileParser._invalid_pofile [function] [call site] 00035
7 translation.denormalize [function] [call site] 00036
7 <builtin>.tuple [function] [call site] 00037
7 babel.messages.pofile._NormalizedString.denormalize [function] [call site] 00038
8 <builtin>.map [function] [call site] 00039
7 babel.messages.catalog.Message.__init__ [function] [call site] 00040
8 dict.fromkeys [function] [call site] 00041
8 <builtin>.list [function] [call site] 00042
8 <builtin>.set [function] [call site] 00043
8 dict.fromkeys [function] [call site] 00044
8 <builtin>.list [function] [call site] 00045
8 dict.fromkeys [function] [call site] 00046
8 <builtin>.list [function] [call site] 00047
8 <builtin>.isinstance [function] [call site] 00048
8 <builtin>.list [function] [call site] 00049
7 babel.messages.catalog.Catalog._key_for [function] [call site] 00050
8 <builtin>.isinstance [function] [call site] 00051
7 babel.messages.pofile.PoFileParser._reset_message_state [function] [call site] 00052
5 babel.messages.pofile._NormalizedString.__init__ [function] [call site] 00053
6 <builtin>.map [function] [call site] 00054
6 <builtin>.super [function] [call site] 00055
5 babel.messages.pofile._NormalizedString.__init__ [function] [call site] 00056
5 keyword.startswith [function] [call site] 00057
5 keyword.partition [function] [call site] 00058
5 <builtin>.int [function] [call site] 00059
5 babel.messages.pofile._NormalizedString.__init__ [function] [call site] 00060
5 babel.messages.pofile._NormalizedString.__init__ [function] [call site] 00061
5 babel.messages.pofile.PoFileParser._invalid_pofile [function] [call site] 00062
3 babel.messages.pofile.PoFileParser._process_comment [function] [call site] 00063
4 babel.messages.pofile.PoFileParser._finish_current_message [function] [call site] 00064
4 babel.messages.pofile._extract_locations [function] [call site] 00065
5 line.lstrip [function] [call site] 00066
5 locations.append [function] [call site] 00067
4 location.rpartition [function] [call site] 00068
4 <builtin>.int [function] [call site] 00069
4 flag.strip [function] [call site] 00070
3 <builtin>.str [function] [call site] 00071
3 babel.messages.pofile.PoFileParser._invalid_pofile [function] [call site] 00072
3 babel.messages.pofile.PoFileParser._process_message_line [function] [call site] 00073
3 babel.messages.pofile.PoFileParser._finish_current_message [function] [call site] 00074
3 babel.messages.pofile._NormalizedString.__init__ [function] [call site] 00075
3 babel.messages.pofile.PoFileParser._add_message [function] [call site] 00076