Message ID | 20230218231850.20522-3-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | 4dee46426e6d23adda048414433c2887314a4267 |
Headers | show |
Series | [FFmpeg-devel,1/3] avcodec/ffv1dec: Check that num h/v slices is supported | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
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) {
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> --- libavcodec/wavarc.c | 4 ++++ 1 file changed, 4 insertions(+)