[FFmpeg-trac] #8176(avcodec:open): four out-of-bound bugs in g729dec.c and g729postfilter.c

[FFmpeg]

#8176: four out-of-bound bugs in g729dec.c and g729postfilter.c
------------------------------------+-----------------------------------
             Reporter:  Suhwan      |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  ubsan       |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  1           |
------------------------------------+-----------------------------------
Changes (by michael):

 * analyzed:  0 => 1
 * status:  new => open
 * component:  undetermined => avcodec
 * reproduced:  0 => 1


Comment:

 This had some overlap with ossfuzz issue 17689 which was fixed in
 6a4fdbf112385824fc9b7d7739685359213b579a
 0c61661a2cbe1b8b284c80ada1c2fdddf4992cad
 2b93f52cd635f372b7b22396939e840c63e8edf3
 Ill post a fix for the remaining issues for this ticket to ffmpeg-devel

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Ticket URL: <https://trac.ffmpeg.org/ticket/8176#comment:1>
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