Vector smash protection is enabled

[Chris]

What does the above mean in relation to this:

Jan 27 17:13:49 localhost cairo-dock.desktop[3333]: Vector smash
protection is enabled.
Jan 27 17:13:49 localhost cairo-dock.desktop[3333]: Failed to open
VDPAU backend libvdpau_va_gl.so: cannot open shared object file: No
such file or directory

-- 
Chris
KeyID 0xE372A7DA98E6705C
31.11972; -97.90167 (Elev. 1092 ft)
19:09:24 up 22:22, 1 user, load average: 0.69, 0.29, 0.15
Ubuntu 16.04.1 LTS, kernel 4.4.0-59-generic #80-Ubuntu SMP Fri Jan 6
17:47:47 UTC 2017
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