Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
0	0	None	8	8	Botan::allocate_memory(unsignedlong,unsignedlong)	call site: 00000	/src/botan/src/lib/utils/allocator.cpp:27

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           fuzz(unsigned char const*, unsigned long)

[function] [call site] 00001


             __cxa_guard_acquire

[call site] 00002


             Botan::oaep_find_delim(unsigned char&, unsigned char const*, unsigned long, std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> > const&)

[function] [call site] 00003


               void Botan::CT::poison<unsigned char>(unsigned char const*, unsigned long)

[function] [call site] 00004


                 void Botan::ignore_params<unsigned char const*&, unsigned long&>(unsigned char const*&, unsigned long&)

[function] [call site] 00005


                   void Botan::ignore_param<unsigned char const*&>(unsigned char const*&)

[function] [call site] 00006


               Botan::CT::Mask<unsigned char>::set()

[function] [call site] 00007


               Botan::CT::Mask<unsigned char>::cleared()

[function] [call site] 00008


                 Botan::CT::Mask<unsigned char>::Mask(unsigned char)

[function] [call site] 00009


               Botan::CT::Mask<unsigned char>::operator|=(Botan::CT::Mask<unsigned char>)

[function] [call site] 00010


                 Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00011


               Botan::CT::Mask<unsigned char> Botan::CT::is_not_equal<unsigned char>(unsigned char const*, unsigned char const*, unsigned long)

[function] [call site] 00012


                 Botan::CT::Mask<unsigned char> Botan::CT::is_equal<unsigned char>(unsigned char const*, unsigned char const*, unsigned long)

[function] [call site] 00013


                   Botan::CT::Mask<unsigned char>::is_zero(unsigned char)

[function] [call site] 00014


                     unsigned char Botan::ct_is_zero<unsigned char>(unsigned char)

[function] [call site] 00015


                       unsigned char Botan::expand_top_bit<unsigned char>(unsigned char)

[function] [call site] 00016


                     Botan::CT::Mask<unsigned char>::Mask(unsigned char)

[function] [call site] 00017


               Botan::CT::Mask<unsigned char>::operator~() const

[function] [call site] 00018


                 Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00019


               Botan::CT::copy_output(Botan::CT::Mask<unsigned char>, unsigned char const*, unsigned long, unsigned long)

[function] [call site] 00020


                 void Botan::CT::poison<unsigned long>(unsigned long const*, unsigned long)

[function] [call site] 00021


                 Botan::CT::Mask<unsigned long> Botan::CT::Mask<unsigned long>::expand<unsigned char>(Botan::CT::Mask<unsigned char>)

[function] [call site] 00022


                   Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00023


                 Botan::CT::Mask<unsigned long>::is_gt(unsigned long, unsigned long)

[function] [call site] 00024


                   Botan::CT::Mask<unsigned long>::is_lt(unsigned long, unsigned long)

[function] [call site] 00025


                     unsigned long Botan::expand_top_bit<unsigned long>(unsigned long)

[function] [call site] 00026


                     Botan::CT::Mask<unsigned long>::Mask(unsigned long)

[function] [call site] 00027


                 Botan::CT::Mask<unsigned long>::select(unsigned long, unsigned long) const

[function] [call site] 00028


                   Botan::CT::Mask<unsigned long>::value() const

[function] [call site] 00029


                   unsigned long Botan::choose<unsigned long>(unsigned long, unsigned long, unsigned long)

[function] [call site] 00030


                 void Botan::CT::unpoison<unsigned char>(unsigned char const*, unsigned long)

[function] [call site] 00031


                   void Botan::ignore_params<unsigned char const*&, unsigned long&>(unsigned char const*&, unsigned long&)

[function] [call site] 00032


                 Botan::CT::Mask<unsigned long>::is_equal(unsigned long, unsigned long)

[function] [call site] 00033


                   Botan::CT::Mask<unsigned long>::is_zero(unsigned long)

[function] [call site] 00034


                 Botan::CT::Mask<unsigned long>::if_set_return(unsigned long) const

[function] [call site] 00035


                 void Botan::CT::unpoison<unsigned long const>(unsigned long const&)

[function] [call site] 00036


                   void Botan::ignore_params<unsigned long const&>(unsigned long const&)

[function] [call site] 00037


               void Botan::CT::unpoison<unsigned char>(unsigned char const*, unsigned long)

[function] [call site] 00038


               Botan::CT::Mask<unsigned char>::is_zero(unsigned char)

[function] [call site] 00039


               Botan::CT::Mask<unsigned char>::is_equal(unsigned char, unsigned char)

[function] [call site] 00040


               Botan::CT::operator&(Botan::CT::Mask<unsigned char>, Botan::CT::Mask<unsigned char>)

[function] [call site] 00041


                 Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00042


               Botan::CT::operator|(Botan::CT::Mask<unsigned char>, Botan::CT::Mask<unsigned char>)

[function] [call site] 00043


                 Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00044


               Botan::CT::Mask<unsigned char>::if_set_return(unsigned char) const

[function] [call site] 00045


               Botan::CT::Mask<unsigned char>::operator&=(Botan::CT::Mask<unsigned char>)

[function] [call site] 00046


                 Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00047


             abort

[call site] 00048


             (anonymous namespace)::ref_oaep_unpad(unsigned char&, unsigned char const*, unsigned long, std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> > const&)

[function] [call site] 00049


             abort

[call site] 00050


             Botan::hex_encode(std::__1::span<unsigned char const, 18446744073709551615ul>, bool)

[function] [call site] 00051


               Botan::hex_encode(unsigned char const*, unsigned long, bool)

[function] [call site] 00052


                 Botan::hex_encode(char*, unsigned char const*, unsigned long, bool)

[function] [call site] 00053


                   Botan::(anonymous namespace)::hex_encode_nibble(unsigned char, bool)

[function] [call site] 00054


                     Botan::CT::Mask<unsigned char>::is_lt(unsigned char, unsigned char)

[function] [call site] 00055


                     Botan::CT::Mask<unsigned char>::select(unsigned char, unsigned char) const

[function] [call site] 00056


                   Botan::(anonymous namespace)::hex_encode_nibble(unsigned char, bool)

[function] [call site] 00057


             abort

[call site] 00058


             Botan::hex_encode(std::__1::span<unsigned char const, 18446744073709551615ul>, bool)

[function] [call site] 00059


             abort

[call site] 00060


             (anonymous namespace)::all_zeros(std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> > const&)

[function] [call site] 00061


             abort

[call site] 00062


             (anonymous namespace)::all_zeros(std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> > const&)

[function] [call site] 00063


             abort

[call site] 00064


             Botan::hex_encode(std::__1::span<unsigned char const, 18446744073709551615ul>, bool)

[function] [call site] 00065


             abort

[call site] 00066