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FFmpeg/libavformat
Andreas Cadhalpun 76af12f542 ffmdec: reject zero-sized chunks
If size is zero, avio_get_str fails, leaving the buffer uninitialized.
This causes invalid reads in av_set_options_string.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit a611375db5)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2015-12-17 20:02:55 +01:00
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