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avcodec/escape124: fix signdness of end of input check 

Fixes: Timeout
Fixes: 56561/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ESCAPE124_fuzzer-5560363635834880

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 87ad0a5dd7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-03-05 22:25:04 +01:00
parent c02752bf7c
commit 31206a077f
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1 changed files with 1 additions and 1 deletions
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libavcodec/escape124.c
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@ -88,7 +88,7 @@ static CodeBook unpack_codebook(GetBitContext* gb, unsigned depth,
unsigned i, j;
CodeBook cb = { 0 };
if (size >= INT_MAX / 34 || get_bits_left(gb) < size * 34)
if (size >= INT_MAX / 34 || get_bits_left(gb) < (int)size * 34)
return cb;
if (size >= INT_MAX / sizeof(MacroBlock))