python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-07-22 14:10:06 +03:00
Code Issues Packages Projects Releases Wiki Activity

Avoid division by zero

Browse Source
This commit is contained in:
hugovk 2017-02-22 08:28:20 +02:00
parent 0764b2b5e9
commit a662443b7f
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
map.c
View File

@ -342,7 +342,7 @@ PyImaging_MapBuffer(PyObject* self, PyObject* args)
stride = xsize * 4; stride = xsize * 4;
} }
if (ysize > INT_MAX / stride) { if (stride > 0 && ysize > INT_MAX / stride) {
PyErr_SetString(PyExc_MemoryError, "Integer overflow in ysize"); PyErr_SetString(PyExc_MemoryError, "Integer overflow in ysize");
return NULL; return NULL;
} }
@ -352,7 +352,7 @@ PyImaging_MapBuffer(PyObject* self, PyObject* args)
if (offset > PY_SSIZE_T_MAX - size) { if (offset > PY_SSIZE_T_MAX - size) {
PyErr_SetString(PyExc_MemoryError, "Integer overflow in offset"); PyErr_SetString(PyExc_MemoryError, "Integer overflow in offset");
return NULL; return NULL;
} }
/* check buffer size */ /* check buffer size */
if (PyImaging_GetBuffer(target, &view) < 0) if (PyImaging_GetBuffer(target, &view) < 0)