| Message ID | 20240326023056.20548-5-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | ebdcf9849905fdd67dcd3ab93e55e47ded35fda2 |
| Headers | show |
| Series | [FFmpeg-devel,1/7] avcodec/hcadec: do not set hfr_group_count to invalid values | 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/truemotion1.c b/libavcodec/truemotion1.c index 6b0ee225691..784576d01b3 100644 --- a/libavcodec/truemotion1.c +++ b/libavcodec/truemotion1.c @@ -408,6 +408,11 @@ static int truemotion1_decode_header(TrueMotion1Context *s) return AVERROR_PATCHWELCOME; } + if (s->h & 3) { + avpriv_request_sample(s->avctx, "Frame with height not being a multiple of 4"); + return AVERROR_PATCHWELCOME; + } + if (s->w != s->avctx->width || s->h != s->avctx->height || new_pix_fmt != s->avctx->pix_fmt) { av_frame_unref(s->frame);
mb_change_bits is given space based on height >> 2, while more data is read Fixes: out of array access Fixes: 62285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION1_fuzzer-5201925062590464.fuzz Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/truemotion1.c | 5 +++++ 1 file changed, 5 insertions(+)