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resample: limit input and output offsets

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Clamp the offsets to the max input and output sizes or we might
end up with invalid len and crash.

See #1994
This commit is contained in:
Wim Taymans 2022-01-09 16:56:42 +01:00
parent dc4cf163ef
commit 113ab31613
1 changed files with 5 additions and 0 deletions
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5
spa/plugins/audioconvert/resample.c
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@ -878,6 +878,11 @@ static int impl_node_process(void *object)
src_datas = alloca(sizeof(void*) * this->resample.channels); src_datas = alloca(sizeof(void*) * this->resample.channels);
dst_datas = alloca(sizeof(void*) * this->resample.channels); dst_datas = alloca(sizeof(void*) * this->resample.channels);
if (inport->offset > size)
inport->offset = size;
if (outport->offset > maxsize)
outport->offset = maxsize;
if (size == 0) { if (size == 0) {
size = MAX_SAMPLES * sizeof(float); size = MAX_SAMPLES * sizeof(float);
for (i = 0; i < sb->n_datas; i++) for (i = 0; i < sb->n_datas; i++)