The 'data' arrays in match and target expression tests were undersized
as they did not cover for the terminating NUL-char of the string used to
initialize them. When passing such array to strdup(), the latter reads
until after the defined array boundary.
Fixes: 93483364369d8 ("src: get rid of cached copies of x_tables.h and xt_LOG.h")
Signed-off-by: Phil Sutter <phil@nwl.cc>
ff37c01480