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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-11-18 20:54:12 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-11-28 21:20:56 +0100 |
| commit | 93810a625cb7d0dc174576951519ce72321c9f66 (patch) | |
| tree | c1dc29ed5764891dd5fedc7d0ca1aae64c493cbd /libavcodec | |
| parent | a798af91d7d1fc31cfc1ae09cc6ab3907304f44f (diff) | |
| download | ffmpeg-93810a625cb7d0dc174576951519ce72321c9f66.tar.gz | |
avcodec/mobiclip: Check input size before (re)allocation
Fixes: Timeout
Fixes: 52566/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOBICLIP_fuzzer-4913160050311168
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/mobiclip.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/mobiclip.c b/libavcodec/mobiclip.c index aca462428c..c3b2383dbc 100644 --- a/libavcodec/mobiclip.c +++ b/libavcodec/mobiclip.c @@ -1216,6 +1216,9 @@ static int mobiclip_decode(AVCodecContext *avctx, AVFrame *rframe, AVFrame *frame = s->pic[s->current_pic]; int ret; + if (avctx->height/16 * (avctx->width/16) * 2 > 8LL*FFALIGN(pkt->size, 2)) + return AVERROR_INVALIDDATA; + av_fast_padded_malloc(&s->bitstream, &s->bitstream_size, pkt->size); |