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avcodec/aacdec: Check if we run out of input in read_stream_mux_config()

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Fixes: Infinite loop
Fixes: 16920/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-5653421289373696

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 3dce4d03d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-09-08 21:08:31 +02:00
parent 51618d1cbf
commit b5a8b3883e
1 changed files with 2 additions and 0 deletions
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2
libavcodec/aacdec.c
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@ -411,6 +411,8 @@ static int read_stream_mux_config(struct LATMContext *latmctx,
} else {
int esc;
do {
if (get_bits_left(gb) < 9)
return AVERROR_INVALIDDATA;
esc = get_bits(gb, 1);
skip_bits(gb, 8);
} while (esc);