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
4 6 babel.messages.catalog.Catalog.__init__ call site: {node_id} .isinstance
4 31 babel.messages.pofile.PoFileParser._process_keyword_line call site: {node_id} babel.messages.pofile.PoFileParser._finish_current_message
4 39 babel.messages.pofile.PoFileParser._add_message call site: {node_id} babel.messages.pofile.PoFileParser._invalid_pofile
3 67 babel.messages.pofile.PoFileParser._process_comment call site: {node_id} location.rfind
2 36 babel.messages.pofile.PoFileParser._add_message call site: {node_id} m.denormalize
2 63 babel.messages.pofile._NormalizedString.__init__ call site: {node_id} babel.messages.pofile._NormalizedString.__init__
1 17 babel.messages.pofile.PoFileParser.parse call site: {node_id} line.decode
1 19 babel.messages.pofile.PoFileParser.parse call site: {node_id} babel.messages.pofile.PoFileParser._process_message_line
1 26 babel.messages.pofile.PoFileParser._invalid_pofile call site: {node_id} babel.messages.pofile._NormalizedString.append
1 61 babel.messages.pofile.PoFileParser._add_message call site: {node_id} 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 collections.OrderedDict [function] [call site] 00005
3 datetime.datetime.now [function] [call site] 00006
3 <builtin>.isinstance [function] [call site] 00007
3 creation_date.replace [function] [call site] 00008
3 <builtin>.isinstance [function] [call site] 00009
3 revision_date.replace [function] [call site] 00010
3 collections.OrderedDict [function] [call site] 00011
2 babel.messages.pofile.PoFileParser.__init__ [function] [call site] 00012
3 babel.messages.pofile.PoFileParser._reset_message_state [function] [call site] 00013
2 babel.messages.pofile.PoFileParser.parse [function] [call site] 00014
3 <builtin>.enumerate [function] [call site] 00015
3 line.strip [function] [call site] 00016
3 <builtin>.isinstance [function] [call site] 00017
3 line.decode [function] [call site] 00018
3 line.startswith [function] [call site] 00019
3 babel.messages.pofile.PoFileParser._process_message_line [function] [call site] 00020
4 line.startswith [function] [call site] 00021
4 babel.messages.pofile.PoFileParser._process_string_continuation_line [function] [call site] 00022
5 babel.messages.pofile.PoFileParser._invalid_pofile [function] [call site] 00023
6 <builtin>.isinstance [function] [call site] 00024
6 <builtin>.print [function] [call site] 00025
6 <builtin>.print [function] [call site] 00026
5 babel.messages.pofile._NormalizedString.append [function] [call site] 00027
6 s.strip [function] [call site] 00028
4 babel.messages.pofile.PoFileParser._process_keyword_line [function] [call site] 00029
5 line.startswith [function] [call site] 00030
5 <builtin>.len [function] [call site] 00031
5 <builtin>.len [function] [call site] 00032
5 babel.messages.pofile.PoFileParser._invalid_pofile [function] [call site] 00033
5 babel.messages.pofile.PoFileParser._finish_current_message [function] [call site] 00034
6 babel.messages.pofile.PoFileParser._add_message [function] [call site] 00035
7 <builtin>.len [function] [call site] 00036
7 m.denormalize [function] [call site] 00037
7 <builtin>.tuple [function] [call site] 00038
7 <builtin>.isinstance [function] [call site] 00039
7 <builtin>.range [function] [call site] 00040
7 babel.messages.pofile.PoFileParser._invalid_pofile [function] [call site] 00041
7 translation.denormalize [function] [call site] 00042
7 <builtin>.tuple [function] [call site] 00043
7 babel.messages.pofile._NormalizedString.denormalize [function] [call site] 00044
8 <builtin>.map [function] [call site] 00045
7 <builtin>.list [function] [call site] 00046
7 <builtin>.set [function] [call site] 00047
7 babel.messages.catalog.Message.__init__ [function] [call site] 00048
8 babel.util.distinct [function] [call site] 00049
9 <builtin>.set [function] [call site] 00050
9 <builtin>.iter [function] [call site] 00051
9 seen.add [function] [call site] 00052
8 <builtin>.list [function] [call site] 00053
8 <builtin>.set [function] [call site] 00054
8 babel.util.distinct [function] [call site] 00055
8 <builtin>.list [function] [call site] 00056
8 babel.util.distinct [function] [call site] 00057
8 <builtin>.list [function] [call site] 00058
8 <builtin>.isinstance [function] [call site] 00059
8 <builtin>.list [function] [call site] 00060
7 babel.messages.pofile.PoFileParser._reset_message_state [function] [call site] 00061
5 babel.messages.pofile._NormalizedString.__init__ [function] [call site] 00062
6 babel.messages.pofile._NormalizedString.append [function] [call site] 00063
5 arg.startswith [function] [call site] 00064
5 babel.messages.pofile._NormalizedString.__init__ [function] [call site] 00065
3 babel.messages.pofile.PoFileParser._process_comment [function] [call site] 00066
4 babel.messages.pofile.PoFileParser._finish_current_message [function] [call site] 00067
4 location.rfind [function] [call site] 00068
4 <builtin>.int [function] [call site] 00069
4 flag.strip [function] [call site] 00070
3 babel.messages.pofile.PoFileParser._process_message_line [function] [call site] 00071
3 babel.messages.pofile.PoFileParser._finish_current_message [function] [call site] 00072
3 babel.messages.pofile._NormalizedString.__init__ [function] [call site] 00073
3 babel.messages.pofile.PoFileParser._add_message [function] [call site] 00074