[Bug 55947] New: wine-8.10 to wine-8.21 opens COM1 and crashes

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55947

Bug ID: 55947
           Summary: wine-8.10 to wine-8.21 opens COM1 and crashes
           Product: Wine
           Version: 8.21
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Run the serial assistant using wine-8.9 and open COM1. Everything is normal.

Run the serial assistant using wine-8.10 to wine-8.21 and open COM1. The
program crashes directly.

Crash location:
 get_irq_info-->ioctl(fd, TIOCGICOUNT, &einfo)-->{ irq_info->rx = einfo.rx;
...}

Crash log:

Backtrace:
=>0 0xf7b3cb25 get_irq_info+0x35(fd=0xc, irq_info=0280FEF8)
[/home/work/Build_Wine/build_wine_make/make-wine-8.11/wine-8.11/dlls/ntdll/unix/serial.c:851]
in ntdll.so (0x0280ff48)
  1 0xf7b3cf13 wait_for_event+0xf3(arg=7BA00900)
[/home/work/Build_Wine/build_wine_make/make-wine-8.11/wine-8.11/dlls/ntdll/unix/serial.c:966]
in ntdll.so (0x0280ff48)
  2 0x7b829fb0 in kernel32 (+0x29fb0) (0x0280ff48)
  3 0x7bc5ac87 in ntdll (+0x5ac87) (0x0280ff5c)
  4 0x7bc5b4dd in ntdll (+0x5b4dd) (0x0280ffec)
0xf7b3cb25 get_irq_info+0x35
[/home/work/Build_Wine/build_wine_make/make-wine-8.11/wine-8.11/dlls/ntdll/unix/serial.c:851]
in ntdll.so: movdqa 0x20(%esp), %xmm0
851            irq_info->rx          = einfo.rx;

May I ask where the upgrade caused the program to crash.

Thank you.