[FFmpeg-trac] #9060(swscale:reopened): libswscale crash with Neon - aarch64

FFmpeg trac at avcodec.org
Sun Apr 4 06:39:08 EEST 2021


#9060: libswscale crash with Neon - aarch64
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             Reporter:  kuba456     |                    Owner:
                 Type:  defect      |                   Status:  reopened
             Priority:  important   |                Component:  swscale
              Version:  git-master  |               Resolution:
             Keywords:  crash       |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by kode54):

 They appear to be using for either input or output, a buffer which will be
 scanned from bottom to top. This appears to be using a pointer to the
 beginning of the last scanline, and a negative row stride increment so it
 steps backwards. Cheeky hack.

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Ticket URL: <https://trac.ffmpeg.org/ticket/9060#comment:5>
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