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[patch] Fix path length overflow in realpath (BZ#22786)

Greetings,

Attached is a trivial fix, and a test case.

Thanks,

2018-04-09  Paul Pluzhnikov  <ppluzhnikov@google.com>

         [BZ #22786]
         * stdlib/canonicalize.c (__realpath): Fix overflow in path length
         computation.
         * stdlib/Makefile (test-bz22786): New test.
         * stdlib/test-bz22786.c: New test.

-- 
Paul Pluzhnikov

Attachment: glibc-bz22786-20180409.txt
Description: Text document

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