Re: [PATCH v5 0/29] MR8955: ntdll: NtSetEventBoostPriority stub regression fixes for bug #58688

[Nikolay Sivov (＠nsivov)]

On Thu Sep 18 14:19:47 2025 +0000, Stian Low wrote:
> Commenting these exceptions from the list allows i386 test_prot_fault()
> to succeed:
> modified   dlls/ntdll/tests/exception.c
> @@ -550,9 +550,9 @@ static const struct exception
>      { { 0x06, 0x31, 0xc0, 0x8e, 0xc0, 0x26, 0xa1, 0, 0, 0, 0, 0x07,
> 0xc3 },
>         /* push %es; xor %eax,%eax; mov %ax,%es; mov %es:(0),%ax; pop
> %es; ret */
>        5, 6, TRUE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
> -    { { 0x0f, 0xa8, 0x31, 0xc0, 0x8e, 0xe8, 0x65, 0xa1, 0, 0, 0, 0,
> 0x0f, 0xa9, 0xc3 },
> -      /* push %gs; xor %eax,%eax; mov %ax,%gs; mov %gs:(0),%ax; pop
> %gs; ret */
> -      6, 6, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
> +    /* { { 0x0f, 0xa8, 0x31, 0xc0, 0x8e, 0xe8, 0x65, 0xa1, 0, 0, 0, 0,
> 0x0f, 0xa9, 0xc3 }, */
> +    /*   /\* push %gs; xor %eax,%eax; mov %ax,%gs; mov %gs:(0),%ax; pop
> %gs; ret *\/ */
> +    /*   6, 6, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, */
>
> Switching param 4 wow64_broken from FALSE to TRUE does not fix so its
> something else I'm still looking into.

You don't really need exception tests, you can run just sync ones, with "make x86_64-windows/sync.ok".