mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/mpegts: Reset local nb_prg on add_program() failure
add_program() will deallocate the whole array on failure so
we must clear nb_prgs
Fixes: null pointer dereference
Fixes: crash-35a3b39ddcc5babeeb005b7399a3a1217c8781bc
Found-by: Catena cyber
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cb9752d897
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
93d6513bbe
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@ -2604,7 +2604,8 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
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FFSWAP(struct Program, ts->prg[nb_prg], ts->prg[prg_idx]);
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if (prg_idx >= nb_prg)
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nb_prg++;
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}
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} else
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nb_prg = 0;
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}
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}
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ts->nb_prg = nb_prg;
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