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
22	22	2 : View List ['handle_cpu_env', 'strchr']	22	22	OPENSSL_cpuid_setup	call site: 00000	/src/boringssl/crypto/cpu_intel.c:265
2	2	1 : View List ['OPENSSL_memory_get_size']	2	85	OPENSSL_realloc	call site: 00067	/src/boringssl/crypto/mem.c:306
2	2	1 : View List ['OPENSSL_memory_alloc']	2	60	OPENSSL_malloc	call site: 00030	/src/boringssl/crypto/mem.c:233
2	2	1 : View List ['__errno_location']	2	6	ERR_put_error	call site: 00035	/src/boringssl/crypto/err/err.c:665
2	2	1 : View List ['OPENSSL_memory_free']	2	2	OPENSSL_free	call site: 00070	/src/boringssl/crypto/mem.c:276
2	2	1 : View List ['sdallocx']	2	2	OPENSSL_free	call site: 00072	/src/boringssl/crypto/mem.c:292
0	73	1 : View List ['BN_new']	0	195	BN_bin2bn	call site: 00142	/src/boringssl/crypto/fipsmodule/bn/bytes.c:90
0	18	1 : View List ['BN_free']	0	18	BN_bin2bn	call site: 00143	/src/boringssl/crypto/fipsmodule/bn/bytes.c:104
0	0	None	24	26	OPENSSL_cpuid_setup	call site: 00000	/src/boringssl/crypto/cpu_intel.c:176
0	0	None	24	26	OPENSSL_cpuid_setup	call site: 00000	/src/boringssl/crypto/cpu_intel.c:209
0	0	None	24	26	OPENSSL_cpuid_setup	call site: 00000	/src/boringssl/crypto/cpu_intel.c:215
0	0	None	24	24	OPENSSL_cpuid_setup	call site: 00000	/src/boringssl/crypto/cpu_intel.c:254

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           CBS_init

[function] [call site] 00001


           CBS_get_any_asn1

[function] [call site] 00002


             CBS_get_any_asn1_element

[function] [call site] 00003


               cbs_get_any_asn1_element

[function] [call site] 00004


                 __assert_fail

[call site] 00005


                 __assert_fail

[call site] 00006


                 parse_asn1_tag

[function] [call site] 00007


                   CBS_get_u8

[function] [call site] 00008


                     cbs_get

[function] [call site] 00009


                   parse_base128_integer

[function] [call site] 00010


                     CBS_get_u8

[function] [call site] 00011


                 CBS_get_u8

[function] [call site] 00012


                 CBS_len

[function] [call site] 00013


                 CBS_get_bytes

[function] [call site] 00014


                   cbs_get

[function] [call site] 00015


                   CBS_init

[function] [call site] 00016


                 cbs_get_u

[function] [call site] 00017


                   cbs_get

[function] [call site] 00018


                 CBS_get_bytes

[function] [call site] 00019


             CBS_skip

[function] [call site] 00020


               cbs_get

[function] [call site] 00021


             __assert_fail

[call site] 00022


           CBS_len

[function] [call site] 00023


           bssl::internal::StackAllocated
           
            ::StackAllocated()

[function] [call site] 00024


             CBB_zero

[function] [call site] 00025


               OPENSSL_memset

[function] [call site] 00026


           bssl::internal::StackAllocated
           
            ::get()

[function] [call site] 00027


           CBB_init

[function] [call site] 00028


             CBB_zero

[function] [call site] 00029


             OPENSSL_malloc

[function] [call site] 00030


               __assert_fail

[call site] 00031


               __assert_fail

[call site] 00032


               OPENSSL_memory_alloc

[call site] 00033


               ERR_put_error

[function] [call site] 00034


                 err_get_state

[function] [call site] 00035


                   CRYPTO_get_thread_local

[function] [call site] 00036


                     CRYPTO_once

[function] [call site] 00037


                       pthread_once

[call site] 00038


                       abort

[call site] 00039


                     pthread_getspecific

[call site] 00040


                   OPENSSL_memset

[function] [call site] 00041


                   CRYPTO_set_thread_local

[function] [call site] 00042


                     CRYPTO_once

[function] [call site] 00043


                     pthread_getspecific

[call site] 00044


                     OPENSSL_memset

[function] [call site] 00045


                     pthread_setspecific

[call site] 00046


                     pthread_mutex_lock

[call site] 00047


                     pthread_mutex_unlock

[call site] 00048


                   err_state_free

[function] [call site] 00049


                     err_clear

[function] [call site] 00050


                       OPENSSL_memset

[function] [call site] 00051


                 __errno_location

[call site] 00052


                 err_clear

[function] [call site] 00053


             cbb_init

[function] [call site] 00054


           bssl::internal::StackAllocated
           
            ::get()

[function] [call site] 00055


           CBB_add_asn1

[function] [call site] 00056


             CBB_flush

[function] [call site] 00057


               cbb_get_base

[function] [call site] 00058


               __assert_fail

[call site] 00059


               __assert_fail

[call site] 00060


               CBB_flush

[function] [call site] 00061


                 __assert_fail

[call site] 00062


                 ERR_put_error

[function] [call site] 00063


                 cbb_buffer_add

[function] [call site] 00064


                   cbb_buffer_reserve

[function] [call site] 00065


                     OPENSSL_realloc

[function] [call site] 00066


                       OPENSSL_malloc

[function] [call site] 00067


                       OPENSSL_memory_get_size

[call site] 00068


                       OPENSSL_malloc

[function] [call site] 00069


                       OPENSSL_free

[function] [call site] 00070


                         OPENSSL_memory_free

[call site] 00071


                         OPENSSL_cleanse

[function] [call site] 00072


                           OPENSSL_memset

[function] [call site] 00073


                         sdallocx

[call site] 00074


                     ERR_put_error

[function] [call site] 00075


                 OPENSSL_memmove

[function] [call site] 00076


                 ERR_put_error

[function] [call site] 00077


             CBB_add_u8

[function] [call site] 00078


               cbb_add_u

[function] [call site] 00079


                 CBB_add_space

[function] [call site] 00080


                   CBB_flush

[function] [call site] 00081


                   cbb_get_base

[function] [call site] 00082


                 cbb_get_base

[function] [call site] 00083


             add_base128_integer

[function] [call site] 00084


               CBB_add_u8

[function] [call site] 00085


             CBB_add_u8

[function] [call site] 00086


             cbb_add_child

[function] [call site] 00087


               __assert_fail

[call site] 00088


               __assert_fail

[call site] 00089


               cbb_get_base

[function] [call site] 00090


               cbb_buffer_add

[function] [call site] 00091


               OPENSSL_memset

[function] [call site] 00092


               CBB_zero

[function] [call site] 00093


           CBS_data

[function] [call site] 00094


           CBB_add_bytes

[function] [call site] 00095


             CBB_add_space

[function] [call site] 00096


             OPENSSL_memcpy

[function] [call site] 00097


           bssl::internal::StackAllocated
           
            ::get()

[function] [call site] 00098


           CBB_flush

[function] [call site] 00099


           bssl::internal::StackAllocated
           
            ::get()

[function] [call site] 00100


           CBB_len

[function] [call site] 00101


             __assert_fail

[call site] 00102


             __assert_fail

[call site] 00103


           bssl::internal::StackAllocated
           
            ::get()

[function] [call site] 00104


           CBB_data

[function] [call site] 00105


             __assert_fail

[call site] 00106


           memcmp

[call site] 00107


           abort

[call site] 00108


           bssl::internal::StackAllocated
           
            ::~StackAllocated()

[function] [call site] 00109


             CBB_cleanup

[function] [call site] 00110


               __assert_fail

[call site] 00111


               OPENSSL_free

[function] [call site] 00112


             __clang_call_terminate

[call site] 00113


               __cxa_begin_catch

[call site] 00114


           ECDSA_SIG_from_bytes

[function] [call site] 00115


             CBS_init

[function] [call site] 00116


             ECDSA_SIG_parse

[function] [call site] 00117


               ECDSA_SIG_new

[function] [call site] 00118


                 OPENSSL_malloc

[function] [call site] 00119


                 BN_new

[function] [call site] 00120


                   OPENSSL_malloc

[function] [call site] 00121


                   OPENSSL_memset

[function] [call site] 00122


                 BN_new

[function] [call site] 00123


                 ECDSA_SIG_free

[function] [call site] 00124


                   BN_free

[function] [call site] 00125


                     OPENSSL_free

[function] [call site] 00126


                     OPENSSL_free

[function] [call site] 00127


                   BN_free

[function] [call site] 00128


                   OPENSSL_free

[function] [call site] 00129


               CBS_get_asn1

[function] [call site] 00130


                 cbs_get_asn1

[function] [call site] 00131


                   CBS_get_any_asn1_element

[function] [call site] 00132


                   CBS_skip

[function] [call site] 00133


                   __assert_fail

[call site] 00134


               BN_parse_asn1_unsigned

[function] [call site] 00135


                 CBS_get_asn1

[function] [call site] 00136


                 CBS_is_valid_asn1_integer

[function] [call site] 00137


                   CBS_get_u8

[function] [call site] 00138


                   CBS_get_u8

[function] [call site] 00139


                 ERR_put_error

[function] [call site] 00140


                 ERR_put_error

[function] [call site] 00141


                 BN_bin2bn

[function] [call site] 00142


                   BN_new

[function] [call site] 00143


                   BN_free

[function] [call site] 00144


                   __assert_fail

[call site] 00145


                   bn_big_endian_to_words

[function] [call site] 00146


                     OPENSSL_memset

[function] [call site] 00147


                     CRYPTO_load_word_be

[function] [call site] 00148


                       OPENSSL_memcpy

[function] [call site] 00149


                       CRYPTO_bswap8

[function] [call site] 00150


                     __assert_fail

[call site] 00151


               BN_parse_asn1_unsigned

[function] [call site] 00152


               CBS_len

[function] [call site] 00153


               ERR_put_error

[function] [call site] 00154


               ECDSA_SIG_free

[function] [call site] 00155


             CBS_len

[function] [call site] 00156


             ERR_put_error

[function] [call site] 00157


             ECDSA_SIG_free

[function] [call site] 00158


           ECDSA_SIG_to_bytes

[function] [call site] 00159


             CBB_zero

[function] [call site] 00160


             CBB_init

[function] [call site] 00161


             ECDSA_SIG_marshal

[function] [call site] 00162


               CBB_add_asn1

[function] [call site] 00163


               BN_marshal_asn1

[function] [call site] 00164


                 BN_is_negative

[function] [call site] 00165


                 ERR_put_error

[function] [call site] 00166


                 CBB_add_asn1

[function] [call site] 00167


                 BN_num_bits

[function] [call site] 00168


                   bn_minimal_width

[function] [call site] 00169


                   BN_num_bits_word

[function] [call site] 00170


                 BN_num_bytes

[function] [call site] 00171


                   BN_num_bits

[function] [call site] 00172


                 BN_bn2cbb_padded

[function] [call site] 00173


                   CBB_add_space

[function] [call site] 00174


                   BN_bn2bin_padded

[function] [call site] 00175


                     fits_in_bytes

[function] [call site] 00176


                     bn_words_to_big_endian

[function] [call site] 00177


                       fits_in_bytes

[function] [call site] 00178


                       __assert_fail

[call site] 00179


                       OPENSSL_memset

[function] [call site] 00180


                 CBB_flush

[function] [call site] 00181


                 ERR_put_error

[function] [call site] 00182


               BN_marshal_asn1

[function] [call site] 00183


               CBB_flush

[function] [call site] 00184


               ERR_put_error

[function] [call site] 00185


             CBB_finish

[function] [call site] 00186


               ERR_put_error

[function] [call site] 00187


               CBB_flush

[function] [call site] 00188


               CBB_cleanup

[function] [call site] 00189


             CBB_cleanup

[function] [call site] 00190


           memcmp

[call site] 00191


           abort

[call site] 00192


           OPENSSL_free

[function] [call site] 00193


           ECDSA_SIG_free

[function] [call site] 00194