ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Apr 6 23:14:08 2021 +0200| [caaf4633117f77a545975dac18e85b8fcdbc9ce7] | committer: Michael Niedermayer
avcodec/msp2dec: Check available space in RLE decoder Fixes: out of array read Fixes: 32968/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSP2_fuzzer-5315296027082752 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=caaf4633117f77a545975dac18e85b8fcdbc9ce7 --- libavcodec/msp2dec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/msp2dec.c b/libavcodec/msp2dec.c index cc548d218a..16c5ac6f02 100644 --- a/libavcodec/msp2dec.c +++ b/libavcodec/msp2dec.c @@ -71,6 +71,7 @@ static int msp2_decode_frame(AVCodecContext *avctx, while (bytestream2_get_bytes_left(&gb) && x < width) { int size = bytestream2_get_byte(&gb); if (size) { + size = FFMIN(size, bytestream2_get_bytes_left(&gb)); memcpy(p->data[0] + y * p->linesize[0] + x, gb.buffer, FFMIN(size, width - x)); bytestream2_skip(&gb, size); } else { _______________________________________________ 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".
