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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-06-07 21:35:43 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-01 12:49:26 +0200 |
| commit | 53c685afde0eea28865813ce54d41a05126df36e (patch) | |
| tree | 5250d22f2a24de6658de07c3a0dbe0ab2a2f89c0 | |
| parent | 0ef01e368c0667f77b61a47163fa29e007be011e (diff) | |
| download | ffmpeg-53c685afde0eea28865813ce54d41a05126df36e.tar.gz | |
avformat/4xm: Cleanup on GET_LIST_HEADER() failure
Fixes: memleak
Fixes: 23142/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5932860820422656
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a5313ce6542a4ee4112acd260e59bff698f3dddd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/4xm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavformat/4xm.c b/libavformat/4xm.c index 8a50778686..8756df66a9 100644 --- a/libavformat/4xm.c +++ b/libavformat/4xm.c @@ -58,8 +58,10 @@ #define GET_LIST_HEADER() \ fourcc_tag = avio_rl32(pb); \ size = avio_rl32(pb); \ - if (fourcc_tag != LIST_TAG) \ - return AVERROR_INVALIDDATA; \ + if (fourcc_tag != LIST_TAG) { \ + ret = AVERROR_INVALIDDATA; \ + goto fail; \ + } \ fourcc_tag = avio_rl32(pb); typedef struct AudioTrack { @@ -201,7 +203,7 @@ static int fourxm_read_header(AVFormatContext *s) unsigned int size; int header_size; FourxmDemuxContext *fourxm = s->priv_data; - unsigned char *header; + unsigned char *header = NULL; int i, ret; fourxm->track_count = 0; |