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
2	2	1 : View List ['abort']	2	2	fuzz_aes	call site: 00075	/src/krb5/src/tests/fuzzing/fuzz_aes.c:82
0	0	None	0	608	krb5int_aes_decrypt	call site: 00061	/src/krb5/src/lib/crypto/builtin/enc_provider/aes.c:327
0	0	None	0	608	krb5int_aes_decrypt	call site: 00062	/src/krb5/src/lib/crypto/builtin/enc_provider/aes.c:334
0	0	None	0	596	krb5int_aes_encrypt	call site: 00030	/src/krb5/src/lib/crypto/builtin/enc_provider/aes.c:263
0	0	None	0	596	krb5int_aes_encrypt	call site: 00032	/src/krb5/src/lib/crypto/builtin/enc_provider/aes.c:270
0	0	None	0	21	fuzz_aes	call site: 00007	/src/krb5/src/tests/fuzzing/fuzz_aes.c:57
0	0	None	0	21	fuzz_aes	call site: 00008	/src/krb5/src/tests/fuzzing/fuzz_aes.c:65
0	0	None	0	21	fuzz_aes	call site: 00011	/src/krb5/src/tests/fuzzing/fuzz_aes.c:73
0	0	None	0	21	fuzz_aes	call site: 00045	/src/krb5/src/tests/fuzzing/fuzz_aes.c:77
0	0	None	0	0	krb5int_aes_encrypt	call site: 00012	/src/krb5/src/lib/crypto/builtin/enc_provider/aes.c:247
0	0	None	0	0	krb5int_aes_decrypt	call site: 00046	/src/krb5/src/lib/crypto/builtin/enc_provider/aes.c:310
0	0	None	0	0	k5_iov_cursor_get	call site: 00023	/src/krb5/src/lib/crypto/krb/aead.c:192

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           fuzz_aes

[function] [call site] 00001


             make_data

[function] [call site] 00002


             k5memdup

[function] [call site] 00003


               k5alloc

[function] [call site] 00004


                 k5calloc

[function] [call site] 00005


                   calloc

[call site] 00006


             k5memdup

[function] [call site] 00007


             krb5_k_create_key

[function] [call site] 00008


               krb5int_c_copy_keyblock_contents

[function] [call site] 00009


             make_data

[function] [call site] 00010


             krb5int_aes_encrypt

[function] [call site] 00011


               init_key_cache

[function] [call site] 00012


               expand_enc_key

[function] [call site] 00013


                 k5_aes_encrypt_key

[function] [call site] 00014


                   k5_aes_encrypt_key128

[function] [call site] 00015


                   aes_encrypt_key192

[function] [call site] 00016


                   k5_aes_encrypt_key256

[function] [call site] 00017


                 abort

[call site] 00018


               k5_iov_cursor_init

[function] [call site] 00019


                 next_iov_to_process

[function] [call site] 00020


               iov_total_length

[function] [call site] 00021


               k5_iov_cursor_get

[function] [call site] 00022


                 next_iov_to_process

[function] [call site] 00023


               cbc_enc

[function] [call site] 00024


                 xorblock

[function] [call site] 00025


                   load_32_n

[function] [call site] 00026


                   store_32_n

[function] [call site] 00027


                 k5_aes_encrypt

[function] [call site] 00028


                 abort

[call site] 00029


               k5_iov_cursor_put

[function] [call site] 00030


                 next_iov_to_process

[function] [call site] 00031


               iov_cursor_contig_blocks

[function] [call site] 00032


               iov_cursor_ptr

[function] [call site] 00033


               cbc_enc

[function] [call site] 00034


               iov_cursor_advance

[function] [call site] 00035


               k5_iov_cursor_get

[function] [call site] 00036


               cbc_enc

[function] [call site] 00037


               k5_iov_cursor_put

[function] [call site] 00038


               k5_iov_cursor_get

[function] [call site] 00039


               k5_iov_cursor_get

[function] [call site] 00040


               cbc_enc

[function] [call site] 00041


               cbc_enc

[function] [call site] 00042


               k5_iov_cursor_put

[function] [call site] 00043


               k5_iov_cursor_put

[function] [call site] 00044


             krb5int_aes_decrypt

[function] [call site] 00045


               init_key_cache

[function] [call site] 00046


               expand_dec_key

[function] [call site] 00047


                 k5_aes_decrypt_key

[function] [call site] 00048


                   k5_aes_decrypt_key128

[function] [call site] 00049


                   aes_decrypt_key192

[function] [call site] 00050


                   k5_aes_decrypt_key256

[function] [call site] 00051


                 abort

[call site] 00052


               k5_iov_cursor_init

[function] [call site] 00053


               iov_total_length

[function] [call site] 00054


               k5_iov_cursor_get

[function] [call site] 00055


               cbc_dec

[function] [call site] 00056


                 __assert_fail

[call site] 00057


                 k5_aes_decrypt

[function] [call site] 00058


                 abort

[call site] 00059


                 xorblock

[function] [call site] 00060


               k5_iov_cursor_put

[function] [call site] 00061


               iov_cursor_contig_blocks

[function] [call site] 00062


               iov_cursor_ptr

[function] [call site] 00063


               cbc_dec

[function] [call site] 00064


               iov_cursor_advance

[function] [call site] 00065


               k5_iov_cursor_get

[function] [call site] 00066


               cbc_dec

[function] [call site] 00067


               k5_iov_cursor_put

[function] [call site] 00068


               k5_iov_cursor_get

[function] [call site] 00069


               k5_iov_cursor_get

[function] [call site] 00070


               cbc_dec

[function] [call site] 00071


               cbc_dec

[function] [call site] 00072


               k5_iov_cursor_put

[function] [call site] 00073


               k5_iov_cursor_put

[function] [call site] 00074


             memcmp

[call site] 00075


             abort

[call site] 00076


             krb5int_aes_decrypt

[function] [call site] 00077


             krb5_k_free_key

[function] [call site] 00078


               krb5_k_free_key

[function] [call site] 00079


                 krb5int_c_free_keyblock_contents

[function] [call site] 00080


                   zapfree

[function] [call site] 00081


                     explicit_bzero

[call site] 00082


                 find_enctype

[function] [call site] 00083


           fuzz_aes

[function] [call site] 00084


           fuzz_aes

[function] [call site] 00085


           fuzz_aes

[function] [call site] 00086