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authorMichael Niedermayer <michael@niedermayer.cc>2017-02-21 17:32:56 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2017-02-21 19:05:04 +0100
commit631f7484918a9e7260377c3cea878be708609e64 (patch)
tree8eb62140fc84ab2c0e700da3f560313698fa5d6d /libavcodec/ituh263dec.c
parenta59505ca76718549dfc51b9622e2d88cb60f33b5 (diff)
downloadffmpeg-631f7484918a9e7260377c3cea878be708609e64.tar.gz
avcodec/ituh263dec: Fix runtime error: left shift of negative value -22
Fixes: 639/clusterfuzz-testcase-5143866241974272 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/ituh263dec.c')
-rw-r--r--libavcodec/ituh263dec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c
index 73aaa1daf8..9a2c8e6c42 100644
--- a/libavcodec/ituh263dec.c
+++ b/libavcodec/ituh263dec.c
@@ -524,7 +524,7 @@ retry:
}else{
level = SHOW_UBITS(re, &s->gb, 5);
SKIP_CACHE(re, &s->gb, 5);
- level |= SHOW_SBITS(re, &s->gb, 6)<<5;
+ level |= SHOW_SBITS(re, &s->gb, 6) * (1<<5);
SKIP_COUNTER(re, &s->gb, 5 + 6);
}
}