tree 2e1aaa5e4e68057a4e96a606e2ad0bcccedcd6df
parent 8b90db0df7187a01fb7177f1f812123138f562cf
author Linus Torvalds <torvalds@g5.osdl.org> 1135991933 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1135991933 -0800

sysctl: don't overflow the user-supplied buffer with '\0'

If the string was too long to fit in the user-supplied buffer,
the sysctl layer would zero-terminate it by writing past the
end of the buffer. Don't do that.

Noticed by Yi Yang <yang.y.yi@gmail.com>

Signed-off-by: Linus Torvalds <torvalds@osdl.org>