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wineoss: Limit Wow64 buffer allocations to 32-bit addresses. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2022-05-04 07:54:25 +01:00 committed by Alexandre Julliard
parent be15ed1d57
commit e3b9aa1487
1 changed files with 15 additions and 6 deletions
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21
dlls/wineoss.drv/oss.c
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@ -535,6 +535,15 @@ static HRESULT setup_oss_device(AUDCLNT_SHAREMODE share, int fd,
return ret; return ret;
} }
static ULONG_PTR zero_bits(void)
{
#ifdef _WIN64
return !NtCurrentTeb()->WowTebOffset ? 0 : 0x7fffffff;
#else
return 0;
#endif
}
static NTSTATUS create_stream(void *args) static NTSTATUS create_stream(void *args)
{ {
struct create_stream_params *params = args; struct create_stream_params *params = args;
@ -597,8 +606,8 @@ static NTSTATUS create_stream(void *args)
if(params->share == AUDCLNT_SHAREMODE_EXCLUSIVE) if(params->share == AUDCLNT_SHAREMODE_EXCLUSIVE)
stream->bufsize_frames -= stream->bufsize_frames % stream->period_frames; stream->bufsize_frames -= stream->bufsize_frames % stream->period_frames;
size = stream->bufsize_frames * params->fmt->nBlockAlign; size = stream->bufsize_frames * params->fmt->nBlockAlign;
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, 0, &size, if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, zero_bits(),
MEM_COMMIT, PAGE_READWRITE)){ &size, MEM_COMMIT, PAGE_READWRITE)){
params->result = E_OUTOFMEMORY; params->result = E_OUTOFMEMORY;
goto exit; goto exit;
} }
@ -931,8 +940,8 @@ static NTSTATUS get_render_buffer(void *args)
stream->tmp_buffer = NULL; stream->tmp_buffer = NULL;
} }
size = frames * stream->fmt->nBlockAlign; size = frames * stream->fmt->nBlockAlign;
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, 0, &size, if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, zero_bits(),
MEM_COMMIT, PAGE_READWRITE)){ &size, MEM_COMMIT, PAGE_READWRITE)){
stream->tmp_buffer_frames = 0; stream->tmp_buffer_frames = 0;
return oss_unlock_result(stream, &params->result, E_OUTOFMEMORY); return oss_unlock_result(stream, &params->result, E_OUTOFMEMORY);
} }
@ -1041,8 +1050,8 @@ static NTSTATUS get_capture_buffer(void *args)
stream->tmp_buffer = NULL; stream->tmp_buffer = NULL;
} }
size = *frames * stream->fmt->nBlockAlign; size = *frames * stream->fmt->nBlockAlign;
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, 0, &size, if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, zero_bits(),
MEM_COMMIT, PAGE_READWRITE)){ &size, MEM_COMMIT, PAGE_READWRITE)){
stream->tmp_buffer_frames = 0; stream->tmp_buffer_frames = 0;
return oss_unlock_result(stream, &params->result, E_OUTOFMEMORY); return oss_unlock_result(stream, &params->result, E_OUTOFMEMORY);
} }