Fuzz introspector: fuzz_http_payload_parser
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
24 0 EP call site: {node_id} aiohttp.http_parser.HttpPayloadParser.feed_data
4 44 aiohttp.http_parser.HttpPayloadParser.feed_data call site: {node_id} aiohttp.streams.StreamReader.set_exception
1 29 aiohttp.streams.StreamReader.feed_data call site: {node_id} aiohttp.helpers.set_result
1 38 aiohttp.http_parser.HttpPayloadParser.feed_data call site: {node_id} size_b.strip
1 60 aiohttp.http_parser.HttpPayloadParser.feed_data call site: {node_id} aiohttp.helpers.set_result

Fuzzer calltree

0 ...aiohttp.fuzz_http_payload_parser.TestOneInput [function] [call site] 00000
1 asyncio.get_event_loop [function] [call site] 00001
1 aiohttp.base_protocol.BaseProtocol.__init__ [function] [call site] 00002
1 aiohttp.http_parser.HttpPayloadParser.__init__ [function] [call site] 00003
2 aiohttp.http_parser.DeflateBuffer.__init__ [function] [call site] 00004
3 aiohttp.compression_utils.BrotliDecompressor.__init__ [function] [call site] 00005
4 brotlicffi.Decompressor [function] [call site] 00006
4 brotli.Decompressor [function] [call site] 00007
3 aiohttp.compression_utils.ZLibDecompressor.__init__ [function] [call site] 00008
4 <builtin>.super [function] [call site] 00009
4 aiohttp.compression_utils.encoding_to_mode [function] [call site] 00010
4 zlib.decompressobj [function] [call site] 00011
2 aiohttp.streams.StreamReader.feed_eof [function] [call site] 00012
3 aiohttp.helpers.set_result [function] [call site] 00013
4 asyncio.Protocol.closed.done [function] [call site] 00014
4 asyncio.Protocol.closed.set_result [function] [call site] 00015
3 aiohttp.helpers.set_result [function] [call site] 00016
3 internal_logger.exception [function] [call site] 00017
2 aiohttp.streams.EmptyStreamReader.feed_eof [function] [call site] 00018
2 aiohttp.streams.StreamReader.feed_eof [function] [call site] 00019
2 aiohttp.streams.EmptyStreamReader.feed_eof [function] [call site] 00020
2 internal_logger.warning [function] [call site] 00021
2 aiohttp.streams.StreamReader.feed_eof [function] [call site] 00022
2 aiohttp.streams.EmptyStreamReader.feed_eof [function] [call site] 00023
1 aiohttp.http_parser.HttpPayloadParser.feed_data [function] [call site] 00024
2 <builtin>.len [function] [call site] 00025
2 aiohttp.streams.EmptyStreamReader.feed_data [function] [call site] 00026
2 aiohttp.streams.StreamReader.feed_data [function] [call site] 00027
3 <builtin>.len [function] [call site] 00028
3 <builtin>.len [function] [call site] 00029
3 aiohttp.helpers.set_result [function] [call site] 00030
2 aiohttp.streams.StreamReader.feed_eof [function] [call site] 00031
2 aiohttp.streams.EmptyStreamReader.feed_eof [function] [call site] 00032
2 aiohttp.streams.EmptyStreamReader.feed_data [function] [call site] 00033
2 aiohttp.streams.StreamReader.feed_data [function] [call site] 00034
2 aiohttp.streams.StreamReader.feed_eof [function] [call site] 00035
2 aiohttp.streams.EmptyStreamReader.feed_eof [function] [call site] 00036
2 chunk.find [function] [call site] 00037
2 chunk.find [function] [call site] 00038
2 size_b.strip [function] [call site] 00039
2 re.fullmatch [function] [call site] 00040
2 aiohttp.http_exceptions.BadHttpMessage.__init__ [function] [call site] 00041
3 <builtin>.super [function] [call site] 00042
2 aiohttp.streams.EmptyStreamReader.set_exception [function] [call site] 00043
2 aiohttp.streams.StreamReader.set_exception [function] [call site] 00044
3 aiohttp.streams.EmptyStreamReader.set_exception [function] [call site] 00045
3 aiohttp.streams.StreamReader.set_exception [function] [call site] 00046
3 aiohttp.streams.EmptyStreamReader.set_exception [function] [call site] 00047
3 aiohttp.streams.StreamReader.set_exception [function] [call site] 00048
2 <builtin>.bytes [function] [call site] 00049
2 <builtin>.int [function] [call site] 00050
2 <builtin>.len [function] [call site] 00051
2 chunk.startswith [function] [call site] 00052
2 aiohttp.streams.StreamReader.begin_http_chunk_receiving [function] [call site] 00053
2 <builtin>.len [function] [call site] 00054
2 aiohttp.streams.EmptyStreamReader.feed_data [function] [call site] 00055
2 aiohttp.streams.StreamReader.feed_data [function] [call site] 00056
2 aiohttp.streams.EmptyStreamReader.feed_data [function] [call site] 00057
2 aiohttp.streams.StreamReader.feed_data [function] [call site] 00058
2 chunk.startswith [function] [call site] 00059
2 aiohttp.streams.StreamReader.end_http_chunk_receiving [function] [call site] 00060
3 aiohttp.helpers.set_result [function] [call site] 00061
2 <builtin>.len [function] [call site] 00062
2 <builtin>.len [function] [call site] 00063
2 <builtin>.len [function] [call site] 00064
2 aiohttp.streams.StreamReader.feed_eof [function] [call site] 00065
2 aiohttp.streams.EmptyStreamReader.feed_eof [function] [call site] 00066
2 <builtin>.len [function] [call site] 00067
2 chunk.find [function] [call site] 00068
2 <builtin>.len [function] [call site] 00069
2 <builtin>.len [function] [call site] 00070
2 aiohttp.streams.EmptyStreamReader.feed_data [function] [call site] 00071
2 aiohttp.streams.StreamReader.feed_data [function] [call site] 00072