Message ID | 20240922215645.1182935-6-michael@niedermayer.cc |
---|---|
State | New |
Headers | show |
Series | [FFmpeg-devel,01/10] tools/target_dec_fuzzer: Add threshold for SRGC | 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/imm4.c b/libavcodec/imm4.c index a6da8fcf95b..573b6148339 100644 --- a/libavcodec/imm4.c +++ b/libavcodec/imm4.c @@ -453,6 +453,10 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, if (ret < 0) return ret; + if (((avctx->width + 15) / 16) * ((avctx->height + 15) / 16) > get_bits_left(gb)) + return AVERROR_INVALIDDATA; + + if ((ret = ff_get_buffer(avctx, frame, (frame->flags & AV_FRAME_FLAG_KEY) ? AV_GET_BUFFER_FLAG_REF : 0)) < 0) return ret;
Fixes: Timeout Fixes: 71324/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IMM4_fuzzer-5388489435185152 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/imm4.c | 4 ++++ 1 file changed, 4 insertions(+)