[FFmpeg-devel] [PATCH 2/5] avcodec/mlpdec: Use 64bit for channel layout

[Michael Niedermayer]

Fixes: shift exponent 33 is too large for 32-bit type 'int'
Fixes: 45645/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEHD_fuzzer-5651350182035456

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/mlpdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index c51e0fbed7..2f5de9254a 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -207,7 +207,7 @@ static enum AVChannel thd_channel_layout_extract_channel(uint64_t channel_layout
         return AV_CHAN_NONE;
 
     for (i = 0; i < FF_ARRAY_ELEMS(thd_channel_order); i++)
-        if (channel_layout & (1 << thd_channel_order[i]) && !index--)
+        if (channel_layout & (1LL << thd_channel_order[i]) && !index--)
             return thd_channel_order[i];
     return AV_CHAN_NONE;
 }
-- 
2.17.1