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avformat/vqf: Propagate errors from add_metadata()

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Suggested-by: Marton Balint <cus@passwd.hu>
Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-12-31 04:13:25 +01:00
parent c43dbecbda
commit 49fa3f6c5b
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GPG key ID: B18E8928B3948D64
1 changed files with 14 additions and 7 deletions
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21
libavformat/vqf.c
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@ -51,23 +51,28 @@ static int vqf_probe(const AVProbeData *probe_packet)
return AVPROBE_SCORE_EXTENSION;
}
static void add_metadata(AVFormatContext *s, uint32_t tag,
static int add_metadata(AVFormatContext *s, uint32_t tag,
unsigned int tag_len, unsigned int remaining)
{
int len = FFMIN(tag_len, remaining);
char *buf, key[5] = {0};
int ret;
if (len == UINT_MAX)
return;
return AVERROR_INVALIDDATA;
buf = av_malloc(len+1);
if (!buf)
return;
if (len != avio_read(s->pb, buf, len))
return;
return AVERROR(ENOMEM);
ret = avio_read(s->pb, buf, len);
if (ret < 0)
return ret;
if (len != ret)
return AVERROR_INVALIDDATA;
buf[len] = 0;
AV_WL32(key, tag);
av_dict_set(&s->metadata, key, buf, AV_DICT_DONT_STRDUP_VAL);
return av_dict_set(&s->metadata, key, buf, AV_DICT_DONT_STRDUP_VAL);
}
static const AVMetadataConv vqf_metadata_conv[] = {
@ -165,7 +170,9 @@ static int vqf_read_header(AVFormatContext *s)
avio_skip(s->pb, FFMIN(len, header_size));
break;
default:
add_metadata(s, chunk_tag, len, header_size);
ret = add_metadata(s, chunk_tag, len, header_size);
if (ret < 0)
return ret;
break;
}