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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-09-21 01:10:11 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-10-03 20:09:27 +0200 |
| commit | 9cef555bc52e26e674b0c3988bb20a08315e76e1 (patch) | |
| tree | f4ba4c3d0e618d87a94c94b4eb763fea89c3fee2 | |
| parent | dbcf285abdc7921b065491862be048bdd0c9289d (diff) | |
| download | ffmpeg-9cef555bc52e26e674b0c3988bb20a08315e76e1.tar.gz | |
avcodec/wavarc: Check k in decode_5elp()
regression since 18b2ecc24778140c2bc798ed64842dc8feb6dc3a
Fixes: assertion failure
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6280165808013312
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wavarc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c index d12b826852..09ed4d473a 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -539,6 +539,8 @@ static int decode_5elp(AVCodecContext *avctx, if (block_type >= 0 && block_type <= 7) { k = 1 + (avctx->sample_fmt == AV_SAMPLE_FMT_S16P); k = get_urice(gb, k) + 1; + if (k >= 32) + return AVERROR_INVALIDDATA; } if (block_type <= 2 || block_type == 6 || block_type == 13 || |