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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-08 09:27:49 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-11-14 23:30:37 +0100 |
| commit | 25d3ae96972f8760182ff84d4117084dff54579a (patch) | |
| tree | e902db5810a6d46ccdca8e42c2ee895b6ea2acd4 | |
| parent | 30047c052d9d5591f69c8170763e80b5d4a2349b (diff) | |
| download | ffmpeg-25d3ae96972f8760182ff84d4117084dff54579a.tar.gz | |
avformat/wsddec: Fix undefined shift
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 15123/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5738039235575808
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 112eb17a2bbf6d02f81fdf0743b353a6b010aedc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/wsddec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/wsddec.c b/libavformat/wsddec.c index 81a4dcc71e..a6bddec138 100644 --- a/libavformat/wsddec.c +++ b/libavformat/wsddec.c @@ -137,7 +137,7 @@ static int wsd_read_header(AVFormatContext *s) if (!(channel_assign & 1)) { int i; for (i = 1; i < 32; i++) - if (channel_assign & (1 << i)) + if ((channel_assign >> i) & 1) st->codecpar->channel_layout |= wsd_to_av_channel_layoyt(s, i); } |