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Fix leak in webp_encode

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* Free the output buffer on webp encode error
This commit is contained in:
Eric Soroos 2025-05-13 10:58:37 +02:00
parent 84b88a9fbc
commit eaab435403
1 changed files with 5 additions and 2 deletions
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7
src/_webp.c
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@ -641,6 +641,10 @@ WebPEncode_wrapper(PyObject *self, PyObject *args) {
ImagingSectionLeave(&cookie); ImagingSectionLeave(&cookie);
WebPPictureFree(&pic); WebPPictureFree(&pic);
output = writer.mem;
ret_size = writer.size;
if (!ok) { if (!ok) {
int error_code = (&pic)->error_code; int error_code = (&pic)->error_code;
char message[50] = ""; char message[50] = "";
@ -652,10 +656,9 @@ WebPEncode_wrapper(PyObject *self, PyObject *args) {
); );
} }
PyErr_Format(PyExc_ValueError, "encoding error %d%s", error_code, message); PyErr_Format(PyExc_ValueError, "encoding error %d%s", error_code, message);
free(output);
return NULL; return NULL;
} }
output = writer.mem;
ret_size = writer.size;
{ {
/* I want to truncate the *_size items that get passed into WebP /* I want to truncate the *_size items that get passed into WebP