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

FFmpeg trac at avcodec.org
Tue Feb 2 22:01:29 EET 2021

#9060: libswscale crash with Neon - aarch64
             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           |
Changes (by ZergFTW):

 * status:  closed => reopened
 * resolution:  needs_more_info =>


 Reproduced on arm64.

 Falls steadily if input/output stride is negative when converting YUV ->

 Error is in libswscale/aarch64/yuv2rgb_neon.S around line 191
 When padding is negative, pointer to the next line flies into space.

Ticket URL: <https://trac.ffmpeg.org/ticket/9060#comment:3>
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