Running `make test` with Clang sanitizers results in some issues with
unaligned pointers surrounding some uses of buffers cast to a size_t*.
The sanitizers used were `-fsanitize=undefined -fsanitize=address`.
I believe the issues flagged below are undefined behavior.
<---snip--->
seed
cbc128.c:91:5: runtime error: load of misaligned address
0x611000006e4f for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x611000006e4f: note: pointer points here
74 65 73 74 20 3e 20 24 74 65 73 74 2e 63 69 70 68 65 72 0a 24 63
6d 64 20 65 6e 63 20 3c 20 24
^
cbc128.c:146:18: runtime error: load of misaligned address
0x61200000afc3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x61200000afc3: note: pointer points here
36 c8 b2 e1 af f7 e6 93 83 13 31 66 e3 e7 64 81 5f 82 5a 18 1b b9
96 8e 57 3f d6 ac 16 3f 7c cc
^
seed base64
cbc128.c:91:5: runtime error: load of misaligned address
0x611000006e4f for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x611000006e4f: note: pointer points here
74 65 73 74 20 3e 20 24 74 65 73 74 2e 63 69 70 68 65 72 0a 24 63
6d 64 20 65 6e 63 20 3c 20 24
^
cbc128.c:146:18: runtime error: load of misaligned address
0x61200000afc3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x61200000afc3: note: pointer points here
2f f3 03 15 e2 33 5b 84 44 39 3a 4c 34 50 b8 30 5b 1a 37 45 ef 2f
f7 dd bf 47 f2 7f 25 7e f9 cf
^
seed-cbc
cbc128.c:91:5: runtime error: load of misaligned address
0x611000006e4f for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x611000006e4f: note: pointer points here
74 65 73 74 20 3e 20 24 74 65 73 74 2e 63 69 70 68 65 72 0a 24 63
6d 64 20 65 6e 63 20 3c 20 24
^
cbc128.c:146:18: runtime error: load of misaligned address
0x61200000afc3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x61200000afc3: note: pointer points here
0c 0f 82 b4 ed 90 12 93 63 93 b2 af d5 b7 b5 2c b6 8a 36 8b 22 ef
12 cd 18 06 39 75 10 66 6d 38
^
seed-cbc base64
cbc128.c:91:5: runtime error: load of misaligned address
0x611000006e4f for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x611000006e4f: note: pointer points here
74 65 73 74 20 3e 20 24 74 65 73 74 2e 63 69 70 68 65 72 0a 24 63
6d 64 20 65 6e 63 20 3c 20 24
^
cbc128.c:146:18: runtime error: load of misaligned address
0x61200000afc3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x61200000afc3: note: pointer points here
47 90 50 6c 24 ea a3 b6 62 e4 01 e6 4a 17 ed e3 d7 19 ff de a9 ee
f1 38 2f 84 07 18 2e e0 10 b4
^
seed-cfb
cfb128.c:94:27: runtime error: load of misaligned address
0x611000006e4f for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x611000006e4f: note: pointer points here
74 65 73 74 20 3e 20 24 74 65 73 74 2e 63 69 70 68 65 72 0a 24 63
6d 64 20 65 6e 63 20 3c 20 24
^
cfb128.c:93:5: runtime error: store to misaligned address
0x6210000191cf for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x6210000191cf: note: pointer points here
d3 99 f6 e3 c0 54 d7 be 9b ea 14 ff 9f 98 09 5a de 67 fa 46 1a 30
59 50 fa 42 2c d5 db 1d 51 c2
^
cfb128.c:138:16: runtime error: load of misaligned address
0x61200000afc3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x61200000afc3: note: pointer points here
14 b8 62 44 63 65 8b cb 53 5c 49 ac 26 37 f5 70 ce 49 0a cb 95 40
60 31 5d d3 da 09 a7 80 01 a4
^
cfb128.c:139:5: runtime error: store to misaligned address
0x6210000191c3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x6210000191c3: note: pointer points here
00 65 73 74 62 69 6e 2f 73 68 0a 0a 74 65 73 74 73 72 63 3d 74 65
73 74 65 6e 63 0a 74 65 73 74
^
seed-cfb base64
cfb128.c:94:27: runtime error: load of misaligned address
0x611000006e4f for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x611000006e4f: note: pointer points here
74 65 73 74 20 3e 20 24 74 65 73 74 2e 63 69 70 68 65 72 0a 24 63
6d 64 20 65 6e 63 20 3c 20 24
^
cfb128.c:93:5: runtime error: store to misaligned address
0x6210000191cf for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x6210000191cf: note: pointer points here
25 f0 49 d8 32 6e 82 3b b8 4c 69 93 e5 79 1a 71 42 ba 80 a7 18 1a
7e c5 23 53 33 cb 5b ce 63 02
^
cfb128.c:138:16: runtime error: load of misaligned address
0x61200000afc3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x61200000afc3: note: pointer points here
2b 5e 4e d4 e8 fd c9 ab 4b 8b 9e 18 42 f9 51 19 43 2d 67 8d fd 5c
80 94 5b b8 a2 cf 23 77 b8 1b
^
cfb128.c:139:5: runtime error: store to misaligned address
0x6210000191c3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x6210000191c3: note: pointer points here
00 65 73 74 62 69 6e 2f 73 68 0a 0a 74 65 73 74 73 72 63 3d 74 65
73 74 65 6e 63 0a 74 65 73 74
^
seed-ecb
seed-ecb base64
seed-ofb
ofb128.c:93:5: runtime error: load of misaligned address
0x611000006e4f for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x611000006e4f: note: pointer points here
74 65 73 74 20 3e 20 24 74 65 73 74 2e 63 69 70 68 65 72 0a 24 63
6d 64 20 65 6e 63 20 3c 20 24
^
ofb128.c:92:5: runtime error: store to misaligned address
0x6210000191cf for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x6210000191cf: note: pointer points here
7b 7f 75 f0 fc 05 e4 56 0e 3f 92 57 4e 2b 24 93 be 76 f5 49 0c 2b
c1 f7 c6 52 f6 d1 45 ee 55 47
^
ofb128.c:93:5: runtime error: load of misaligned address
0x61200000afc3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x61200000afc3: note: pointer points here
1f 0b ec ae 33 a6 15 ad d8 2e 8a dd a0 04 79 8c 49 60 f8 33 25 fe
ad 85 9d 38 8b a6 23 5e e6 f0
^
ofb128.c:92:5: runtime error: store to misaligned address
0x6210000191c3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x6210000191c3: note: pointer points here
00 65 73 74 62 69 6e 2f 73 68 0a 0a 74 65 73 74 73 72 63 3d 74 65
73 74 65 6e 63 0a 74 65 73 74
^
seed-ofb base64
ofb128.c:93:5: runtime error: load of misaligned address
0x611000006e4f for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x611000006e4f: note: pointer points here
74 65 73 74 20 3e 20 24 74 65 73 74 2e 63 69 70 68 65 72 0a 24 63
6d 64 20 65 6e 63 20 3c 20 24
^
ofb128.c:92:5: runtime error: store to misaligned address
0x6210000191cf for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x6210000191cf: note: pointer points here
15 20 93 74 7b a3 81 3e 94 0c 1b 31 dc 63 41 64 0a 0c 6f 23 17 d6
22 5b 53 07 eb 3f af 7c 25 96
^
ofb128.c:93:5: runtime error: load of misaligned address
0x61200000afc3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x61200000afc3: note: pointer points here
0f 34 94 6a c6 7d b7 49 8d 4c b5 df c2 c7 64 fe af 4c 5b 4a 52 b8
5f 5f 34 dc 21 e7 c2 ef 96 4c
^
ofb128.c:92:5: runtime error: store to misaligned address
0x6210000191c3 for type 'size_t' (aka 'unsigned long'), which requires
8 byte alignment
0x6210000191c3: note: pointer points here
00 65 73 74 62 69 6e 2f 73 68 0a 0a 74 65 73 74 73 72 63 3d 74 65
73 74 65 6e 63 0a 74 65 73 74
^
*****
$ /usr/local/bin/clang -v
clang version 3.3 (tags/RELEASE_33/final)
Target: x86_64-apple-darwin12.5.0
Thread model: posix
$ apps/openssl version -a
WARNING: can't open config file: /usr/local/ssl/openssl.cnf
OpenSSL 1.1.0-dev xx XXX xxxx
built on: Wed Jul 2 20:05:35 EDT 2014
platform: darwin64-x86_64-cc
options: bn(64,64) rc4(16x,int) des(idx,cisc,16,int) idea(int) blowfish(idx)
compiler: /usr/local/bin/clang -DOPENSSL_THREADS -D_REENTRANT
-DDSO_DLFCN -DHAVE_DLFCN_H -Wa,--noexecstack -arch x86_64 -O3
-DL_ENDIAN -Wall -fsanitize=undefined -fsanitize=address
-DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5
-DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DMD5_ASM
-DAES_ASM -DVPAES_ASM -DBSAES_ASM -DWHIRLPOOL_ASM -DGHASH_ASM
OPENSSLDIR: "/usr/local/ssl"
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