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<?php $badblobs = array( 'x:i:3;O:8:"stdClass":0:{},O:8:"stdClass":0:{};r:2;,i:1;;O:8:"stdClass":0:{},r:2;;m:a:0:{}', 'x:i:1;O:8:"stdClass":0:{},N;;m:s:40:"1234567890123456789012345678901234567890"', ); foreach($badblobs as $blob) { try { $so = new SplObjectStorage(); $so->unserialize($blob); var_dump($so); } catch(UnexpectedValueException $e) { echo $e->getMessage()."\n"; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 19
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 19
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
Found catch point at position: 13
Branch analysis from position: 13
2 jumps found. (Code = 107) Position 1 = 14, Position 2 = -2
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
filename:       /in/ber5H
function name:  (null)
number of ops:  21
compiled vars:  !0 = $badblobs, !1 = $blob, !2 = $so, !3 = $e
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    7     1      > FE_RESET_R                                       $5      !0, ->19
          2    > > FE_FETCH_R                                               $5, !1, ->19
    9     3    >   NEW                                              $6      'SplObjectStorage'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !2, $6
   10     6        INIT_METHOD_CALL                                         !2, 'unserialize'
          7        SEND_VAR_EX                                              !1
          8        DO_FCALL                                      0          
   11     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !2
         11        DO_ICALL                                                 
         12      > JMP                                                      ->18
   12    13  E > > CATCH                                       last         'UnexpectedValueException'
   13    14    >   INIT_METHOD_CALL                                         !3, 'getMessage'
         15        DO_FCALL                                      0  $11     
         16        CONCAT                                           ~12     $11, '%0A'
         17        ECHO                                                     ~12
    7    18    > > JMP                                                      ->2
         19    >   FE_FREE                                                  $5
   15    20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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