<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/133683>133683</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            bolt fatal error when inserting instrumentation: libcrypto
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            BOLT
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          yanjjj
      </td>
    </tr>
</table>

<pre>
    Trying to insert instructions to my executable binary and get below error:

FATAL BOLT-ERROR: =======================================
BOLT is unable to proceed because it couldn't properly understand this function.
If you are running the most recent version of BOLT, you may want to report this and paste this dump.
Please check that there is no sensitive contents being shared in this dump.

Offending function: RC4_options

Function contents (
  0000: 488D0559 0000008B 15ABB8B6 1C0FBAE2  |H..Y............|
  0010: 14720C0F BAE21E73 0A4883C0 19F3C348  |.r.....s.H.....H|
  0020: 83C00CF3 C366662E 0F1F8400 00000000  |.....ff.........|
  0030: 66662E0F 1F840000 00000066 662E0F1F  |ff.........ff...|
  0040: 84000000 00006666 2E0F1F84 00000000  |......ff........|
  0050: 0066662E 0F1F8400 00000000 0F1F4000 |.ff...........@.|
  0060: 72633428 38782C69 6E742900 72633428 |rc4(8x,int).rc4(|
  0070: 38782C63 68617229 00726334 28313678 |8x,char).rc4(16x|
  0080: 2C696E74 29005243 3420666F 72207838  |,int).RC4 for x8|
  0090: 365F3634 2C204352 5950544F 47414D53  |6_64, CRYPTOGAMS|
 00A0: 20627920 3C617070 726F406F 70656E73  | by <appro@opens|
  00B0: 736C2E6F 72673E00 66662E0F 1F840000  |sl.org>.ff......|
  00C0: 00000066 662E0F1F 84000000 00006666  |...ff.........ff|
  00D0: 2E0F1F84 00000000 000F1F80 00000000  |................|
)

Binary Function "RC4_options" {
  Number      : 110055
  State       : disassembled
  Address     : 0x6a935e0
  Size        : 0xe0
  MaxSize     : 0xe0
  Offset      : 0x66935e0
  Section     : .text
  Orc Section : .local.text.RC4_options
 LSDA        : 0x0
  IsSimple    : 1
  IsMultiEntry: 1
  IsSplit     : 0
 BB Count    : 17
  Secondary Entry Points : __ENTRY_RC4_options@0x6a93640
}
DWARF CFI Instructions:
    <empty>
End of Function "RC4_options"

ERROR: disassembly failed - inconsistent branch found.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
package: libssl-dev_1.1.1k-1+deb11u1_amd64.deb
bolt commit: 7a5ce551246affabd081c45b00cad1eda7c10fff

"RC4_options" is from libcrypto.a
$ objdump -t /usr/lib/x86_64-linux-gnu/libcrypto.a | grep RC4_options
0000000000000720 g     F .text  00000000000000e0 RC4_options
</pre>
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