From 6c456a0d597c2a96aadee33c7af5845de279e478 Mon Sep 17 00:00:00 2001 From: Darren Salt Date: Thu, 24 Jan 2008 23:47:36 +0000 Subject: Fix a possible crash on channel change in the DVB plugin. Some 0-sized sections were observed in the TS PMT parser. Test setup details: Test channel is Film 4 on Freeview. Test hardware is a Nova-T Stick (older dib7000m variant). Drivers from v4l-dvb hg, id a1c94c4a05f5, with dib7000m_set_frontend() patched to select OUTMODE_HIGH_Z while tuning. --- src/demuxers/demux_ts.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src') diff --git a/src/demuxers/demux_ts.c b/src/demuxers/demux_ts.c index 86a14f019..0fa0c971c 100644 --- a/src/demuxers/demux_ts.c +++ b/src/demuxers/demux_ts.c @@ -1193,6 +1193,15 @@ printf("Program Number is %i, looking for %i\n",program_number,this->program_num return; } + if (!section_length) { + free (this->pmt[program_count]); + this->pmt[program_count] = NULL; +#ifdef TS_PMT_LOG + printf ("ts_demux: eek, zero-length section?\n"); +#endif + return; + } + #ifdef TS_PMT_LOG printf ("ts_demux: have all TS packets for the PMT section\n"); #endif -- cgit v1.2.3