ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Oct 12 17:54:29 2019 +0200| [6a69f049274fcc22b462e3997596a28bef3feda6] | committer: Michael Niedermayer
avcodec/vc1dec: Allocate only as much space as is unescaped Fixes: OOM Fixes: 18137/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5723834900021248 Fixes: 20037/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5683758976204800 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6a69f049274fcc22b462e3997596a28bef3feda6 --- libavcodec/vc1dec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index c526b200b5..15783e3b8d 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -701,7 +701,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data, goto err; } slices = tmp; - slices[n_slices].buf = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE); + slices[n_slices].buf = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE); if (!slices[n_slices].buf) { ret = AVERROR(ENOMEM); goto err; @@ -730,7 +730,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data, goto err; } slices = tmp; - slices[n_slices].buf = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE); + slices[n_slices].buf = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE); if (!slices[n_slices].buf) { ret = AVERROR(ENOMEM); goto err; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
