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Merge pull request #5122 from radarhere/warnings

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Hugo van Kemenade 2020-12-22 16:09:21 +02:00 committed by GitHub
commit ce3d80e713
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5 changed files with 12 additions and 10 deletions
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2
src/_imaging.c
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@ -3928,7 +3928,7 @@ _set_blocks_max(PyObject* self, PyObject* args)
"blocks_max should be greater than 0"); "blocks_max should be greater than 0");
return NULL; return NULL;
} }
else if ( blocks_max > SIZE_MAX/sizeof(ImagingDefaultArena.blocks_pool[0])) { else if ( (unsigned long)blocks_max > SIZE_MAX/sizeof(ImagingDefaultArena.blocks_pool[0])) {
PyErr_SetString(PyExc_ValueError, PyErr_SetString(PyExc_ValueError,
"blocks_max is too large"); "blocks_max is too large");
return NULL; return NULL;

2
src/libImaging/Draw.c
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@ -1630,7 +1630,7 @@ allocate(ImagingOutline outline, int extra)
/* malloc check ok, uses calloc for overflow */ /* malloc check ok, uses calloc for overflow */
e = calloc(outline->size, sizeof(Edge)); e = calloc(outline->size, sizeof(Edge));
} else { } else {
if (outline->size > INT_MAX / sizeof(Edge)) { if (outline->size > INT_MAX / (int)sizeof(Edge)) {
return NULL; return NULL;
} }
/* malloc check ok, overflow checked above */ /* malloc check ok, overflow checked above */

10
src/libImaging/Jpeg2KDecode.c
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@ -742,10 +742,12 @@ j2k_decode_entry(Imaging im, ImagingCodecState state)
swapped), bail. */ swapped), bail. */
if (tile_info.x0 >= tile_info.x1 if (tile_info.x0 >= tile_info.x1
|| tile_info.y0 >= tile_info.y1 || tile_info.y0 >= tile_info.y1
|| tile_info.x0 < (OPJ_INT32)image->x0 || tile_info.x0 < 0
|| tile_info.y0 < (OPJ_INT32)image->y0 || tile_info.y0 < 0
|| tile_info.x1 - image->x0 > im->xsize || (OPJ_UINT32)tile_info.x0 < image->x0
|| tile_info.y1 - image->y0 > im->ysize) { || (OPJ_UINT32)tile_info.y0 < image->y0
|| (OPJ_INT32)(tile_info.x1 - image->x0) > im->xsize
|| (OPJ_INT32)(tile_info.y1 - image->y0) > im->ysize) {
state->errcode = IMAGING_CODEC_BROKEN; state->errcode = IMAGING_CODEC_BROKEN;
state->state = J2K_STATE_FAILED; state->state = J2K_STATE_FAILED;
goto quick_exit; goto quick_exit;

2
src/libImaging/RankFilter.c
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@ -72,7 +72,7 @@ ImagingRankFilter(Imaging im, int size, int rank)
/* malloc check ok, for overflow in the define below */ /* malloc check ok, for overflow in the define below */
if (size > INT_MAX / size || if (size > INT_MAX / size ||
size > INT_MAX / (size * sizeof(FLOAT32))) { size > INT_MAX / (size * (int)sizeof(FLOAT32))) {
return (Imaging) ImagingError_ValueError("filter size too large"); return (Imaging) ImagingError_ValueError("filter size too large");
} }

2
src/libImaging/Resample.c
View File

@ -208,7 +208,7 @@ precompute_coeffs(int inSize, float in0, float in1, int outSize,
ksize = (int) ceil(support) * 2 + 1; ksize = (int) ceil(support) * 2 + 1;
// check for overflow // check for overflow
if (outSize > INT_MAX / (ksize * sizeof(double))) { if (outSize > INT_MAX / (ksize * (int)sizeof(double))) {
ImagingError_MemoryError(); ImagingError_MemoryError();
return 0; return 0;
} }