diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-02-18 23:08:59 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-02-25 21:19:58 +0100 |
| commit | e4eed311332fe329eef6bc8e9d7606a206c99469 (patch) | |
| tree | 6219e68ea647295368aef55f1c7c76419ac0202a | |
| parent | c56f84e656cda5463ee1cf747f8e469252ce42ce (diff) | |
| download | ffmpeg-e4eed311332fe329eef6bc8e9d7606a206c99469.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>
(cherry picked from commit 4dee46426e6d23adda048414433c2887314a4267)
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) { |