[FFmpeg-trac] #8217(avcodec:closed): left shift of negative value bug in libavcodec/ra144enc.c

FFmpeg trac at avcodec.org
Thu Jan 23 13:58:38 EET 2020


#8217: left shift of negative value bug in libavcodec/ra144enc.c
------------------------------------+-----------------------------------
             Reporter:  Suhwan      |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:  fixed
             Keywords:  ubsan       |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------
Changes (by mkver):

 * status:  new => closed
 * resolution:   => fixed
 * component:  undetermined => avcodec


Comment:

 Fixed in e3fb9af6f1353f30855eaa1cbd5befaf06e303b8. Notice that I was
 unable to reproduce the division by zero in lpc.h that you mention in your
 ticket; it is also absent in your gdb log, so I guess that you simply made
 an error.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8217#comment:1>
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