[Bug 243533] vt_fb.c can overwrite frame buffer bounds if stride length is not a multiple of bytes-per-pixel

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Jan 23 16:59:08 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243533

--- Comment #2 from Thomas Skibo <thoma555-bsd at yahoo.com> ---
Comment on attachment 210991
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=210991
fix vt_fb_blank().

My previous patch was wrong.  fb_width is the width in pixels, not bytes.  This
was my other suggested fix.

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