From d6c265e22ad4d4dcfd1260673c37b4fdbdb552ef Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 14 Jun 2020 19:45:05 +0200 Subject: [PATCH] avformat/mxfdec: free duplicated utf16 strings Fixes: memleak Fixes: 23415/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5124814510751744 Suggested-by: Marton Balint Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 0aa2768cb275bda9e9e1331ed95adc7cd686eafe) Signed-off-by: Michael Niedermayer --- libavformat/mxfdec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index 7caa0b8ad9..7942b9b170 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -765,6 +765,7 @@ static inline int mxf_read_utf16_string(AVIOContext *pb, int size, char** str, i return AVERROR(EINVAL); buf_size = size + size / 2 + 1; + av_free(*str); *str = av_malloc(buf_size); if (!*str) return AVERROR(ENOMEM);