rhe e6e66094f9 stringio.c: fix signed integer overflow ... * ext/stringio/stringio.c (strio_seek): Avoid signed integer overflow. It's not harmful in practice here, but is still undefined behavior. * ext/stringio/stringio.c (strio_extend): Check that the new length does not exceed LONG_MAX. This fixes the invalid write on the overflow. * test/stringio/test_stringio.rb (test_write_integer_overflow): Add a test case for the above fix in strio_extend(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56253 b2dd03c8-39d4-4d8f-98ff-823fe69b080e		2016-09-26 07:24:55 +00:00
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test_stringio.rb	stringio.c: fix signed integer overflow	2016-09-26 07:24:55 +00:00