ASSERT callback.c:1477 in tool.drcacheoff.gencode test on win32

[derekbruening]

This happened 3x in a row (else it would have passed) -- yet I don't think we've ever seen this before. This test passed in other runs of the same code so it is non-deterministic -- maybe in some environment it becomes repeatable.

https://github.com/DynamoRIO/dynamorio/actions/runs/5073007903/jobs/9111470544

275:  pre-DR start
275: 
275:   <Application
275:   D:\a\dynamorio\dynamorio\build_debug-internal-32\suite\tests\bin\tool.drcacheoff.gencode.exe
275:   (7024).  Internal Error: DynamoRIO debug check failure:
275:   D:\a\dynamorio\dynamorio\core\win32\callback.c:1477 false
275: 
275:   (Error occurred @77 frags in tid 6752)

[derekbruening]

This happened on the windows-timestamps test too on win64:
https://github.com/DynamoRIO/dynamorio/actions/runs/6855254589/job/18639921072?pr=6445

264/305 Test #267: code_api|tool.drcacheoff.windows-timestamps ......................***Failed    0.17 sec
Running cmd |D:/a/dynamorio/dynamorio/build_debug-internal-64/clients/bin64/tool.drcacheoff.windows-timestamps.exe|
CMake Error at D:/a/dynamorio/dynamorio/suite/tests/runmulti.cmake:111 (message):
  *** cmd failed (-1): <Application
  D:\a\dynamorio\dynamorio\build_debug-internal-64\clients\bin64\tool.drcacheoff.windows-timestamps.exe
  (1656).  Internal Error: DynamoRIO debug check failure:
  D:\a\dynamorio\dynamorio\core\win32\callback.c:1477 false

  (Error occurred @55 frags in tid 1768)

[derekbruening]

This is now at callback.c:1480 FTR. Happened again in windows-timestamps at https://github.com/DynamoRIO/dynamorio/actions/runs/7123468151/job/19396119425?pr=6494

[edeiana]

Hitting the same callback.c:1480 debug check failure (PR #6698).
(Note: it only happened once, it usually passes).

2024-03-12T05:50:34.2666884Z 268/310 Test #271: code_api|tool.drcacheoff.windows-timestamps ......................***Failed    0.18 sec
2024-03-12T05:50:34.2668775Z Running cmd |D:/a/dynamorio/dynamorio/build_debug-internal-64/clients/bin64/tool.drcacheoff.windows-timestamps.exe|
2024-03-12T05:50:34.2670610Z CMake Error at D:/a/dynamorio/dynamorio/suite/tests/runmulti.cmake:114 (message):
2024-03-12T05:50:34.2671691Z   *** cmd failed (-1): <Application
2024-03-12T05:50:34.2672944Z   D:\a\dynamorio\dynamorio\build_debug-internal-64\clients\bin64\tool.drcacheoff.windows-timestamps.exe
2024-03-12T05:50:34.2674322Z   (4156).  Internal Error: DynamoRIO debug check failure:
2024-03-12T05:50:34.2675291Z   D:\a\dynamorio\dynamorio\core\win32\callback.c:1480 false
2024-03-12T05:50:34.2675977Z 
2024-03-12T05:50:34.2676322Z   (Error occurred @55 frags in tid 5312)
2024-03-12T05:50:34.2676870Z 
2024-03-12T05:50:34.2677182Z   version 10.0.19794, custom build

[derekbruening]

The windows-timestamps is relatively frequent, appearing in maybe 1 out of 5 post-merge suites. I'm going to mark it ignore on win32 to get that greener.