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avformat/mpc: deallocate frames array on errors

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Fixes: memleak on error path
Fixes: 15984/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5679918412726272

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit da5039415c2bd625085d15e6c92e0b64eefddcbf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-07-24 23:11:50 +02:00
parent b4edee5cab
commit 29fe37850a
1 changed files with 5 additions and 2 deletions
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7
libavformat/mpc.c
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@ -88,7 +88,7 @@ static int mpc_read_header(AVFormatContext *s)
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
goto mem_error;
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = AV_CODEC_ID_MUSEPACK7;
st->codecpar->channels = 2;
@ -96,7 +96,7 @@ static int mpc_read_header(AVFormatContext *s)
st->codecpar->bits_per_coded_sample = 16;
if (ff_get_extradata(s, st->codecpar, s->pb, 16) < 0)
return AVERROR(ENOMEM);
goto mem_error;
st->codecpar->sample_rate = mpc_rate[st->codecpar->extradata[2] & 3];
avpriv_set_pts_info(st, 32, MPC_FRAMESIZE, st->codecpar->sample_rate);
/* scan for seekpoints */
@ -113,6 +113,9 @@ static int mpc_read_header(AVFormatContext *s)
}
return 0;
mem_error:
av_freep(&c->frames);
return AVERROR(ENOMEM);
}
static int mpc_read_packet(AVFormatContext *s, AVPacket *pkt)