[Bug 55480] New: ntdll:exception - direction_flag_handler() sometimes gets bad Dr6 flags in Wine

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55480

Bug ID: 55480
           Summary: ntdll:exception - direction_flag_handler() sometimes
                    gets bad Dr6 flags in Wine
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

ntdll:exception - direction_flag_handler() sometimes gets bad Dr6 flags in
Wine:

exception.c:3302: Test failed: B0 flag is not set in Dr6
exception.c:3303: Test failed: BS flag is set in Dr6

See https://test.winehq.org/data/patterns.html#ntdll:exception

This happens in both 32 and 64-bit code and started on 2023-07-19:
* 2023-07-19 linux_fgtb-debian11-x86-64
* 2023-07-21 linux_fgtb-debian11-win32_1
* 2023-07-21 linux_fgtb-debian11-win32
* 2023-07-21 linux_fgtb-debian11-wow64_1
* 2023-07-27 linux_fgtb-debian11-win32
* 2023-08-14 MR!585
* 2023-08-16 MR!3301, MR!3571
* 2023-08-24 linux_newtb-debian11b-wow64