Fixes: OOM
Fixes: 4810/clusterfuzz-testcase-minimized-6034253235093504
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavcodec/jpeg2000.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c
index e7f03bd0df..8e90980976 100644
--- a/libavcodec/jpeg2000.c
+++ b/libavcodec/jpeg2000.c
@@ -541,6 +541,9 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
if (!reslevel->band)
return AVERROR(ENOMEM);
+ if (reslevel->num_precincts_x * (uint64_t)reslevel->num_precincts_y *
reslevel->nbands > avctx->max_pixels / sizeof(*reslevel->band->prec))
+ return AVERROR(ENOMEM);
+
for (bandno = 0; bandno < reslevel->nbands; bandno++, gbandno++) {
ret = init_band(avctx, reslevel,
comp, codsty, qntsty,
--
2.15.1
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