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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-02-18 23:08:59 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-02-23 23:17:10 +0100 |
| commit | 4dee46426e6d23adda048414433c2887314a4267 (patch) | |
| tree | e1fa8d6a66401a5b4d75f6764bfa33d0ebedef66 | |
| parent | 2df271c78cd4b7d481a2d34abb71a2450b43c7e2 (diff) | |
| download | ffmpeg-4dee46426e6d23adda048414433c2887314a4267.tar.gz | |
avcodec/wavarc: Check k
Fixes: Assertion failure
Fixes: 55849/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6590105973555200
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 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c index b626daa66e..8d37af9571 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -192,6 +192,8 @@ static int decode_1dif(AVCodecContext *avctx, if (block_type < 4 && block_type >= 0) { k = 1 + (avctx->sample_fmt == AV_SAMPLE_FMT_S16P); k = get_urice(gb, k) + 1; + if (k > 32) + return AVERROR_INVALIDDATA; } switch (block_type) { @@ -282,6 +284,8 @@ static int decode_2slp(AVCodecContext *avctx, if (block_type < 5 && block_type >= 0) { k = 1 + (avctx->sample_fmt == AV_SAMPLE_FMT_S16P); k = get_urice(gb, k) + 1; + if (k > 32) + return AVERROR_INVALIDDATA; } switch (block_type) { |