Inspired by CID1465483 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavcodec/aaccoder.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c
index 4ce54ca8867..6e5817e237b 100644
--- a/libavcodec/aaccoder.c
+++ b/libavcodec/aaccoder.c
@@ -178,6 +178,8 @@ static av_always_inline float
quantize_and_encode_band_cost_template(
int coef = av_clip_uintp2(quant(fabsf(in[i+j]), Q,
ROUNDING), 13);
int len = av_log2(coef);
+ av_assert2(len >= 4);
+
put_bits(pb, len - 4 + 1, (1 << (len - 4 + 1)) - 2);
put_sbits(pb, len, coef);
}
--
2.43.2
_______________________________________________
ffmpeg-devel mailing list
[email protected]
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
[email protected] with subject "unsubscribe".
