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  • DynamoRIO
  • dynamorio
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  • #3642
Closed
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Issue created May 24, 2019 by Felix Moessbauer@fmoessbauerContributor

ABI incompatible between DR 7.90.18010 and 7.90.18033

Clients that are build against DR 7.90.18010 are incompatible (crash) with recent DR versions, due to a difference in the instr_get_dst macro. This is neither clear from the version number, nor the compatibility check fires.

This crashes either in instr_get_dst or in opnd_is_memory_reference

for (int i = 0; i < instr_num_dsts(instr); i++) {
  opnd_t dst = instr_get_dst(instr, i);
  if (opnd_is_memory_reference(dst))
    // instrument
}
(4dc8.3d4c): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
00007ff6`7b195e49 410f103407      movups  xmm6,xmmword ptr [r15+rax] ds:00000000`00000000=????????????????????????????????
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