From 32701252af65014bb68194bb61d67ec1882ae75d Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Mon, 17 Nov 2014 00:22:21 +0100 Subject: [PATCH] xwma: Do not leak on failure path CC: libav-stable@libav.org Bug-Id: CID 1087092 (cherry picked from commit fd9badd3cb3b60f5c54dcea35523e1ecca2f67a6) Signed-off-by: Luca Barbato --- libavformat/xwma.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/libavformat/xwma.c b/libavformat/xwma.c index 45d74de..af916ad 100644 --- a/libavformat/xwma.c +++ b/libavformat/xwma.c @@ -44,7 +44,7 @@ static int xwma_probe(AVProbeData *p) static int xwma_read_header(AVFormatContext *s) { int64_t size; - int ret; + int ret = 0; uint32_t dpds_table_size = 0; uint32_t *dpds_table = 0; unsigned int tag; @@ -130,8 +130,10 @@ static int xwma_read_header(AVFormatContext *s) /* parse the remaining RIFF chunks */ for (;;) { - if (pb->eof_reached) - return -1; + if (pb->eof_reached) { + ret = AVERROR_INVALIDDATA; + goto fail; + } /* read next chunk tag */ tag = avio_rl32(pb); size = avio_rl32(pb); @@ -152,7 +154,8 @@ static int xwma_read_header(AVFormatContext *s) /* Error out if there is more than one dpds chunk. */ if (dpds_table) { av_log(s, AV_LOG_ERROR, "two dpds chunks present\n"); - return -1; + ret = AVERROR_INVALIDDATA; + goto fail; } /* Compute the number of entries in the dpds chunk. */ @@ -184,8 +187,10 @@ static int xwma_read_header(AVFormatContext *s) } /* Determine overall data length */ - if (size < 0) - return -1; + if (size < 0) { + ret = AVERROR_INVALIDDATA; + goto fail; + } if (!size) { xwma->data_end = INT64_MAX; } else @@ -204,7 +209,8 @@ static int xwma_read_header(AVFormatContext *s) av_log(s, AV_LOG_ERROR, "Invalid bits_per_coded_sample %d for %d channels\n", st->codec->bits_per_coded_sample, st->codec->channels); - return AVERROR_INVALIDDATA; + ret = AVERROR_INVALIDDATA; + goto fail; } st->duration = total_decoded_bytes / bytes_per_sample; @@ -239,9 +245,10 @@ static int xwma_read_header(AVFormatContext *s) st->duration = (size<<3) * st->codec->sample_rate / st->codec->bit_rate; } +fail: av_free(dpds_table); - return 0; + return ret; } static int xwma_read_packet(AVFormatContext *s, AVPacket *pkt) -- 2.7.4