Fixes: CID1516994 Out-of-bounds access
Fixes: CID1516996 Out-of-bounds access
Fixes: CID1516999 Out-of-bounds access
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavfilter/af_surround.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavfilter/af_surround.c b/libavfilter/af_surround.c
index e37dddc3614..fab39a37ea9 100644
--- a/libavfilter/af_surround.c
+++ b/libavfilter/af_surround.c
@@ -269,6 +269,9 @@ static int config_output(AVFilterLink *outlink)
for (int ch = 0; ch < outlink->ch_layout.nb_channels; ch++) {
float iscale = 1.f;
+ const int chan =
av_channel_layout_channel_from_index(&s->out_ch_layout, ch);
+ if (chan >= FF_ARRAY_ELEMS(sc_map))
+ return AVERROR_PATCHWELCOME;
ret = av_tx_init(&s->irdft[ch], &s->itx_fn, AV_TX_FLOAT_RDFT,
1, s->win_size, &iscale, 0);
--
2.45.2
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