[FFmpeg-devel] [PATCH] mxfdec: fix NULL pointer dereference in mxf_read_packet_old
Josh de Kock
josh at itanimul.li
Wed Nov 23 00:50:56 EET 2016
On 22/11/2016 22:43, Andreas Cadhalpun wrote:
> On 17.11.2016 22:55, Andreas Cadhalpun wrote:
>> Metadata streams have priv_data set to NULL.
>>
>> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
>> ---
>> libavformat/mxfdec.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
>> index a1a79ce..2ad0c28 100644
>> --- a/libavformat/mxfdec.c
>> +++ b/libavformat/mxfdec.c
>> @@ -3135,7 +3135,7 @@ static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
>> if (mxf->nb_index_tables >= 1 && mxf->current_edit_unit < t->nb_ptses) {
>> pkt->dts = mxf->current_edit_unit + t->first_dts;
>> pkt->pts = t->ptses[mxf->current_edit_unit];
>> - } else if (track->intra_only) {
>> + } else if (track && track->intra_only) {
>> /* intra-only -> PTS = EditUnit.
>> * let utils.c figure out DTS since it can be < PTS if low_delay = 0 (Sony IMX30) */
>> pkt->pts = mxf->current_edit_unit;
>>
>
> Ping. It would be good to have this fixed in 3.2.1.
>
> Best regards,
> Andreas
LGTM.
--
Josh
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