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Added fuzzying test for planar decoder

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Armin Novak 2021-03-12 10:07:44 +01:00 committed by akallabeth
parent 61d380943d
commit 9c8cce3acb
1 changed files with 116 additions and 0 deletions
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116
libfreerdp/codec/test/TestFreeRDPCodecPlanar.c
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@ -3,6 +3,7 @@
#include <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/crypto.h>
#include <freerdp/freerdp.h>
#include <freerdp/codec/color.h>
@ -5650,12 +5651,127 @@ fail:
return rc;
}
static UINT32 prand(UINT32 max)
{
UINT32 tmp;
if (max <= 1)
return 1;
winpr_RAND((BYTE*)&tmp, sizeof(tmp));
return tmp % (max - 1) + 1;
}
static BOOL FuzzPlanar(void)
{
UINT32 x;
BOOL rc = FALSE;
const DWORD planarFlags = PLANAR_FORMAT_HEADER_NA | PLANAR_FORMAT_HEADER_RLE;
BITMAP_PLANAR_CONTEXT* planar = freerdp_bitmap_planar_context_new(planarFlags, 64, 64);
if (!planar)
goto fail;
for (x = 0; x < 10000; x++)
{
BYTE data[0x10000] = { 0 };
size_t dataSize = 0x10000;
BYTE dstData[0x10000] = { 0 };
UINT32 DstFormat;
UINT32 nDstStep;
UINT32 nXDst;
UINT32 nYDst;
UINT32 nDstWidth;
UINT32 nDstHeight;
BOOL invalid = TRUE;
do
{
switch (prand(17) - 1)
{
case 0:
DstFormat = PIXEL_FORMAT_RGB8;
break;
case 1:
DstFormat = PIXEL_FORMAT_BGR15;
break;
case 2:
DstFormat = PIXEL_FORMAT_RGB15;
break;
case 3:
DstFormat = PIXEL_FORMAT_ABGR15;
break;
case 4:
DstFormat = PIXEL_FORMAT_ABGR15;
break;
case 5:
DstFormat = PIXEL_FORMAT_BGR16;
break;
case 6:
DstFormat = PIXEL_FORMAT_RGB16;
break;
case 7:
DstFormat = PIXEL_FORMAT_BGR24;
break;
case 8:
DstFormat = PIXEL_FORMAT_RGB24;
break;
case 9:
DstFormat = PIXEL_FORMAT_BGRA32;
break;
case 10:
DstFormat = PIXEL_FORMAT_BGRX32;
break;
case 11:
DstFormat = PIXEL_FORMAT_RGBA32;
break;
case 12:
DstFormat = PIXEL_FORMAT_RGBX32;
break;
case 13:
DstFormat = PIXEL_FORMAT_ABGR32;
break;
case 14:
DstFormat = PIXEL_FORMAT_XBGR32;
break;
case 15:
DstFormat = PIXEL_FORMAT_ARGB32;
break;
case 16:
DstFormat = PIXEL_FORMAT_XRGB32;
break;
default:
break;
}
nDstStep = prand(sizeof(dstData));
nXDst = prand(nDstStep);
nYDst = prand(sizeof(dstData) / nDstStep);
nDstWidth = prand(nDstStep / GetBytesPerPixel(DstFormat));
nDstHeight = prand(sizeof(dstData) / nDstStep);
invalid = nXDst * GetBytesPerPixel(DstFormat) + (nYDst + nDstHeight) * nDstStep >
sizeof(dstData);
} while (invalid);
printf("DstFormat=%s, nXDst=%" PRIu32 ", nYDst=%" PRIu32 ", nDstWidth=%" PRIu32
", nDstHeight=%" PRIu32 ", nDstStep=%" PRIu32 ", total size=%" PRIuz "\n",
FreeRDPGetColorFormatName(DstFormat), nXDst, nYDst, nDstWidth, nDstHeight, nDstStep,
sizeof(dstData));
planar_decompress(planar, data, dataSize, prand(4096), prand(4096), dstData, DstFormat,
nDstStep, nXDst, nYDst, nDstWidth, nDstHeight, prand(2));
}
rc = TRUE;
fail:
freerdp_bitmap_planar_context_free(planar);
return rc;
}
int TestFreeRDPCodecPlanar(int argc, char* argv[])
{
UINT32 x;
WINPR_UNUSED(argc);
WINPR_UNUSED(argv);
if (!FuzzPlanar())
return -2;
for (x = 0; x < colorFormatCount; x++)
{
if (!TestPlanar(colorFormatList[x]))