From d16974c3dd3a05900aa080ea0729284aea358d10 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 5 Nov 2020 20:23:54 +0100 Subject: [PATCH] avformat/au: cleanup on EOF return in au_read_annotation() Fixes: memleak Fixes: 26841/clusterfuzz-testcase-minimized-ffmpeg_dem_AU_fuzzer-5174166309044224 Regression since: e680d50eb4feddafb2d8575b21fc5fc8764f4801 Reviewed-by: Andreas Rheinhardt Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/au.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavformat/au.c b/libavformat/au.c index b4eb4f8477..4f2b81119f 100644 --- a/libavformat/au.c +++ b/libavformat/au.c @@ -84,8 +84,11 @@ static int au_read_annotation(AVFormatContext *s, int size) av_bprint_init(&bprint, 64, AV_BPRINT_SIZE_UNLIMITED); while (size-- > 0) { - if (avio_feof(pb)) + if (avio_feof(pb)) { + av_bprint_finalize(&bprint, NULL); + av_freep(&key); return AVERROR_EOF; + } c = avio_r8(pb); switch(state) { case PARSE_KEY: