Fuzz introspector: muduo_http_fuzzer
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
69 0 EP call site: 00000 isspace

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 muduo::net::HttpContext::HttpContext() [function] [call site] 00001
2 muduo::net::HttpRequest::HttpRequest() [function] [call site] 00002
3 muduo::Timestamp::Timestamp() [function] [call site] 00003
1 muduo::net::Buffer::Buffer(unsigned long) [function] [call site] 00004
2 muduo::net::Buffer::readableBytes() const [function] [call site] 00005
2 __assert_fail [call site] 00006
2 muduo::net::Buffer::writableBytes() const [function] [call site] 00007
2 __assert_fail [call site] 00008
2 muduo::net::Buffer::prependableBytes() const [function] [call site] 00009
2 __assert_fail [call site] 00010
1 muduo::StringPiece::StringPiece(char const*) [function] [call site] 00011
2 strlen [call site] 00012
1 muduo::net::Buffer::append(muduo::StringPiece const&) [function] [call site] 00013
2 muduo::StringPiece::data() const [function] [call site] 00014
2 muduo::StringPiece::size() const [function] [call site] 00015
2 muduo::net::Buffer::append(char const*, unsigned long) [function] [call site] 00016
3 muduo::net::Buffer::ensureWritableBytes(unsigned long) [function] [call site] 00017
4 muduo::net::Buffer::writableBytes() const [function] [call site] 00018
4 muduo::net::Buffer::makeSpace(unsigned long) [function] [call site] 00019
5 muduo::net::Buffer::writableBytes() const [function] [call site] 00020
5 muduo::net::Buffer::prependableBytes() const [function] [call site] 00021
5 __assert_fail [call site] 00022
5 muduo::net::Buffer::readableBytes() const [function] [call site] 00023
5 muduo::net::Buffer::begin() [function] [call site] 00024
5 muduo::net::Buffer::begin() [function] [call site] 00025
5 muduo::net::Buffer::begin() [function] [call site] 00026
5 muduo::net::Buffer::readableBytes() const [function] [call site] 00027
5 __assert_fail [call site] 00028
4 muduo::net::Buffer::writableBytes() const [function] [call site] 00029
4 __assert_fail [call site] 00030
3 muduo::net::Buffer::beginWrite() [function] [call site] 00031
4 muduo::net::Buffer::begin() [function] [call site] 00032
3 muduo::net::Buffer::hasWritten(unsigned long) [function] [call site] 00033
4 muduo::net::Buffer::writableBytes() const [function] [call site] 00034
4 __assert_fail [call site] 00035
1 muduo::Timestamp::now() [function] [call site] 00036
2 gettimeofday [call site] 00037
2 muduo::Timestamp::Timestamp(long) [function] [call site] 00038
1 muduo::net::HttpContext::parseRequest(muduo::net::Buffer*, muduo::Timestamp) [function] [call site] 00039
2 muduo::net::Buffer::findCRLF() const [function] [call site] 00040
3 muduo::net::Buffer::peek() const [function] [call site] 00041
4 muduo::net::Buffer::begin() const [function] [call site] 00042
3 muduo::net::Buffer::beginWrite() const [function] [call site] 00043
4 muduo::net::Buffer::begin() const [function] [call site] 00044
3 muduo::net::Buffer::beginWrite() const [function] [call site] 00045
2 muduo::net::Buffer::peek() const [function] [call site] 00046
2 muduo::net::HttpContext::processRequestLine(char const*, char const*) [function] [call site] 00047
3 muduo::net::HttpRequest::setMethod(char const*, char const*) [function] [call site] 00048
3 muduo::net::HttpRequest::setPath(char const*, char const*) [function] [call site] 00049
3 muduo::net::HttpRequest::setQuery(char const*, char const*) [function] [call site] 00050
3 muduo::net::HttpRequest::setPath(char const*, char const*) [function] [call site] 00051
3 muduo::net::HttpRequest::setVersion(muduo::net::HttpRequest::Version) [function] [call site] 00052
2 muduo::net::HttpRequest::setReceiveTime(muduo::Timestamp) [function] [call site] 00053
2 muduo::net::Buffer::retrieveUntil(char const*) [function] [call site] 00054
3 muduo::net::Buffer::peek() const [function] [call site] 00055
3 muduo::net::Buffer::retrieve(unsigned long) [function] [call site] 00056
4 muduo::net::Buffer::readableBytes() const [function] [call site] 00057
4 muduo::net::Buffer::retrieveAll() [function] [call site] 00058
2 muduo::net::Buffer::findCRLF() const [function] [call site] 00059
2 muduo::net::Buffer::peek() const [function] [call site] 00060
2 muduo::net::Buffer::peek() const [function] [call site] 00061
2 muduo::net::HttpRequest::addHeader(char const*, char const*, char const*) [function] [call site] 00062
3 isspace [function] [call site] 00063
4 __ctype_b_loc [call site] 00064
2 muduo::net::Buffer::retrieveUntil(char const*) [function] [call site] 00066
1 muduo::net::Buffer::~Buffer() [function] [call site] 00067
1 muduo::net::HttpContext::~HttpContext() [function] [call site] 00068
2 muduo::net::HttpRequest::~HttpRequest() [function] [call site] 00069