[Bug 292177] Assembly implementation of chacha20 on arm64 coredumps

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292177

            Bug ID: 292177
           Summary: Assembly implementation of chacha20 on arm64 coredumps
           Product: Base System
           Version: 15.0-STABLE
          Hardware: arm64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: arm
          Assignee: [email protected]
          Reporter: [email protected]

Running openssl speed test of chacha20 on arm64 coredumps at size 256. Using
lldb shows the issue to be inside the assembly language implementation of this.

$ openssl speed -evp chacha20-poly1305
Doing ChaCha20-Poly1305 ops for 3s on 16 size blocks: 58941245
ChaCha20-Poly1305 ops in 3.00s
Doing ChaCha20-Poly1305 ops for 3s on 64 size blocks: 22927279
ChaCha20-Poly1305 ops in 3.00s
Doing ChaCha20-Poly1305 ops for 3s on 256 size blocks: Segmentation fault      
  (core dumped) openssl speed -evp chacha20-poly1305

$ lldb /usr/bin/openssl --core openssl.core 
(lldb) target create "/usr/bin/openssl" --core "openssl.core"
Core file '/home/webadmin/openssl.core' (aarch64) was loaded.
(lldb) bt
* thread #1, name = 'openssl', stop reason = signal SIGSEGV
  * frame #0: 0x00003d417a892060 libcrypto.so.35`ChaCha20_ctr32_sve at
chacha-armv8-sve.S:1574
    frame #1: 0x00003d417a88fc94 libcrypto.so.35`ChaCha20_ctr32 at
chacha-armv8.S:336
    frame #2: 0x00003d417a9ad370
libcrypto.so.35`chacha20_cipher(bctx=0x00007c663e8ac0c0,
out="%.\x8f\xc9\xfb\xb6Ss\U00000011$[Z\xfaF\xc2g}ݘ\U00000001Zk\xdaww\xf3\xac+v\x80\xee\xf7\xfdk\xd9P\xf4\U00000002L\x8a\x81\U00000003\xe4\xe8\xfaA\U00000002\xb2\xd4\U00000010]\x9b\xe8\xd2\xfe\xaa\x92/]s\xbc\xb1\xaa\x84\xf7\U00000004U\xaeM\xf5\xf4\x9d(y\xf1)
\x85\xf2k?\xfe\U0000001fz\U0000001aW\x8a`\xff\xbeۓ\xcb\xddk\xb6\"\xfd\xf2\xc0\xf0Z6\xa2\U0000000f׉\xbf\xa3\xe9sX\xc2A\xa0\U00000002%M[\xbf\xe3)6\U000000143\U000000185T\x94'\xbfŕ:\U00000015\xf1\xc1\U00000003\xbaq\x94\U0000001e\xe0=\x8c\xd8\U00000011\b\x8e.\x84}P3\t\x96\xd9x\xecPh֣Q\xcc20>\x81\xde\U0000001f\xe2\xf9:\xb8\xac\U00000003`\xbdF@\x89,r\xfb\x86\U00000016\xa7}\x99;ș\x90\xb4\xfe\xc4hp٩m\xfc%,\f\x86\xe9\xef\U0000001bMd\xb7\xb3\x82Pq\x8f\U00000010\xd5\xf8\xa3F~ԅC\xb1\x80\fxtS\xeb-\x89\xf7ē\x895L\xb3\xc4\xfeѽ\x8c\x91\xb6\xbc",
in="%.\x8f\xc9\xfb\xb6Ss\U00000011$[Z\xfaF\xc2g}ݘ\U00000001Zk\xdaww\xf3\xac+v\x80\xee\xf7\xfdk\xd9P\xf4\U00000002L\x8a\x81\U00000003\xe4\xe8\xfaA\U00000002\xb2\xd4\U00000010]\x9b\xe8\xd2\xfe\xaa\x92/]s\xbc\xb1\xaa\x84\xf7\U00000004U\xaeM\xf5\xf4\x9d(y\xf1)
\x85\xf2k?\xfe\U0000001fz\U0000001aW\x8a`\xff\xbeۓ\xcb\xddk\xb6\"\xfd\xf2\xc0\xf0Z6\xa2\U0000000f׉\xbf\xa3\xe9sX\xc2A\xa0\U00000002%M[\xbf\xe3)6\U000000143\U000000185T\x94'\xbfŕ:\U00000015\xf1\xc1\U00000003\xbaq\x94\U0000001e\xe0=\x8c\xd8\U00000011\b\x8e.\x84}P3\t\x96\xd9x\xecPh֣Q\xcc20>\x81\xde\U0000001f\xe2\xf9:\xb8\xac\U00000003`\xbdF@\x89,r\xfb\x86\U00000016\xa7}\x99;ș\x90\xb4\xfe\xc4hp٩m\xfc%,\f\x86\xe9\xef\U0000001bMd\xb7\xb3\x82Pq\x8f\U00000010\xd5\xf8\xa3F~ԅC\xb1\x80\fxtS\xeb-\x89\xf7ē\x895L\xb3\xc4\xfeѽ\x8c\x91\xb6\xbc",
inl=256) at cipher_chacha20_hw.c:92:9
    frame #3: 0x00003d417a9adf6c
libcrypto.so.35`chacha20_poly1305_aead_cipher(bctx=0x00007c663e8ac000,
out=<unavailable>, outl=0x00003d41788c9370, in=<unavailable>, inl=256) at
cipher_chacha20_poly1305_hw.c:323:17
    frame #4: 0x00003d417a9ad7d8
libcrypto.so.35`chacha20_poly1305_cipher(vctx=0x00007c663e8ac000,
out="%.\x8f\xc9\xfb\xb6Ss\U00000011$[Z\xfaF\xc2g}ݘ\U00000001Zk\xdaww\xf3\xac+v\x80\xee\xf7\xfdk\xd9P\xf4\U00000002L\x8a\x81\U00000003\xe4\xe8\xfaA\U00000002\xb2\xd4\U00000010]\x9b\xe8\xd2\xfe\xaa\x92/]s\xbc\xb1\xaa\x84\xf7\U00000004U\xaeM\xf5\xf4\x9d(y\xf1)
\x85\xf2k?\xfe\U0000001fz\U0000001aW\x8a`\xff\xbeۓ\xcb\xddk\xb6\"\xfd\xf2\xc0\xf0Z6\xa2\U0000000f׉\xbf\xa3\xe9sX\xc2A\xa0\U00000002%M[\xbf\xe3)6\U000000143\U000000185T\x94'\xbfŕ:\U00000015\xf1\xc1\U00000003\xbaq\x94\U0000001e\xe0=\x8c\xd8\U00000011\b\x8e.\x84}P3\t\x96\xd9x\xecPh֣Q\xcc20>\x81\xde\U0000001f\xe2\xf9:\xb8\xac\U00000003`\xbdF@\x89,r\xfb\x86\U00000016\xa7}\x99;ș\x90\xb4\xfe\xc4hp٩m\xfc%,\f\x86\xe9\xef\U0000001bMd\xb7\xb3\x82Pq\x8f\U00000010\xd5\xf8\xa3F~ԅC\xb1\x80\fxtS\xeb-\x89\xf7ē\x895L\xb3\xc4\xfeѽ\x8c\x91\xb6\xbc",
outl=0x00003d41788c9370, outsize=256,
in="%.\x8f\xc9\xfb\xb6Ss\U00000011$[Z\xfaF\xc2g}ݘ\U00000001Zk\xdaww\xf3\xac+v\x80\xee\xf7\xfdk\xd9P\xf4\U00000002L\x8a\x81\U00000003\xe4\xe8\xfaA\U00000002\xb2\xd4\U00000010]\x9b\xe8\xd2\xfe\xaa\x92/]s\xbc\xb1\xaa\x84\xf7\U00000004U\xaeM\xf5\xf4\x9d(y\xf1)
\x85\xf2k?\xfe\U0000001fz\U0000001aW\x8a`\xff\xbeۓ\xcb\xddk\xb6\"\xfd\xf2\xc0\xf0Z6\xa2\U0000000f׉\xbf\xa3\xe9sX\xc2A\xa0\U00000002%M[\xbf\xe3)6\U000000143\U000000185T\x94'\xbfŕ:\U00000015\xf1\xc1\U00000003\xbaq\x94\U0000001e\xe0=\x8c\xd8\U00000011\b\x8e.\x84}P3\t\x96\xd9x\xecPh֣Q\xcc20>\x81\xde\U0000001f\xe2\xf9:\xb8\xac\U00000003`\xbdF@\x89,r\xfb\x86\U00000016\xa7}\x99;ș\x90\xb4\xfe\xc4hp٩m\xfc%,\f\x86\xe9\xef\U0000001bMd\xb7\xb3\x82Pq\x8f\U00000010\xd5\xf8\xa3F~ԅC\xb1\x80\fxtS\xeb-\x89\xf7ē\x895L\xb3\xc4\xfeѽ\x8c\x91\xb6\xbc",
inl=256) at cipher_chacha20_poly1305.c:320:10
    frame #5: 0x00003d417a937de0
libcrypto.so.35`EVP_EncryptUpdate(ctx=0x00007c663e86f0c0, out=<unavailable>,
outl=0x00003d41788c93a4, in=<unavailable>, inl=<unavailable>) at
evp_enc.c:1012:11
    frame #6: 0x00003d40f863e7fc
openssl`EVP_Update_loop(args=0x00003d41788c9448) at speed.c:898:18
    frame #7: 0x00003d40f863d03c
openssl`run_benchmark(async_jobs=<unavailable>,
loop_function=(openssl`EVP_Update_loop at speed.c:882),
loopargs=0x00007c663e8ca840) at speed.c:1562:16
    frame #8: 0x00003d40f8638750 openssl`speed_main(argc=<unavailable>,
argv=<unavailable>) at speed.c:3113:25
    frame #9: 0x00003d40f8618544 openssl`do_cmd(prog=<unavailable>, argc=3,
argv=0x00003d41788c9b50) at openssl.c:428:16
    frame #10: 0x00003d40f861828c openssl`main(argc=3, argv=<unavailable>) at
openssl.c:0
    frame #11: 0x00003d417bea24bc libc.so.7`__libc_start1(argc=4,
argv=0x00003d41788c9b48, env=0x00003d41788c9b70, cleanup=<unavailable>,
mainX=(openssl`main at openssl.c:238)) at libc_start1.c:180:7
    frame #12: 0x00003d40f85f2c90 openssl`_start at crt1_s.S:62

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