Fixes: out of array write Fixes: 32116/clusterfuzz-testcase-minimized-ffmpeg_dem_SIMBIOSIS_IMX_fuzzer-6702533894602752
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/imx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/imx.c b/libavformat/imx.c index d203ed7a28..22fca0bdc0 100644 --- a/libavformat/imx.c +++ b/libavformat/imx.c @@ -113,6 +113,8 @@ retry: imx->first_video_packet_pos = pos; break; case 0xAA98: + if (chunk_size > 256 * 3) + return AVERROR_INVALIDDATA; for (int i = 0; i < chunk_size / 3; i++) { unsigned r = avio_r8(pb) << 18; unsigned g = avio_r8(pb) << 10; -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
