[FFmpeg-trac] #2310(undetermined:closed): x264: x264_cqm_init access beyond array causes undefined behavior in gcc48

FFmpeg trac at avcodec.org
Thu Apr 11 00:47:12 CEST 2013


#2310: x264: x264_cqm_init access beyond array causes undefined behavior in gcc48
-------------------------------------+-------------------------------------
             Reporter:  Safari       |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  libx264      |               Resolution:  invalid
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by rogerdpack):

 I think I may have just run into this on windows (cross compiling) with
 4.8
 Was this reported to x264-devel does anybody know?

 Program received signal SIGSEGV, Segmentation fault.
 0x759c79c8 in msvcrt!memcmp () from C:\Windows\syswow64\msvcrt.dll
 (gdb) bt
 #0  0x759c79c8 in msvcrt!memcmp () from C:\Windows\syswow64\msvcrt.dll
 #1  0x004a303c in x264_cqm_init ()

 Also related: http://forum.doom9.org/showthread.php?p=1623567

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2310#comment:2>
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