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Problem Report 1497 Details

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Report 1497 Actions

    Problem Report Number 1497
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.0779
    Raised 1970-01-01 08:00
    Updated 2003-03-13 08:00
    Published 1995-08-08 08:00
    Product Standard Internationalised System Calls and Libraries Extended (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSU version 4.0.2
    Test Identification base/realpath 1-3, 5-7, 9, 11-13
    Problem Summary TSD4U.00034 tests may fail on implementations where PATH_MAX > _POSIX_PATH_MAX
    Problem Text
    The tests listed above may fail on systems where _POSIX_PATH_MAX
    is less than PATH_MAX.

    The tests use _POSIX_PATH_MAX as the size of the char array
    that the realpath will be returned in. The realpath XPG spec
    states this array size should be PATH_MAX bytes to store the
    longest possible pathname.

    On our system PATH_MAX is 1023 and _POSIX_PATH_MAX is 255.

    The array is to short and the tests write past the end of it.
    This corrupts the stack and causes SIGILL failures similar to the
    example output above for the listed tests.
    Test Output
    520|1 1 34131 1 1|SPEC1170TESTSUITE CASE 1
    520|1 1 34131 1 2|A successful call to char *realpath(const
    520|1 1 34131 1 3|char *file_name, char *resolved_name) shall derive
    520|1 1 34131 1 4|from the pathname pointed to by file_name an absolute
    520|1 1 34131 1 5|pathname that names the same file that does not
    520|1 1 34131 1 6|involve ".", "..", or symbolic links, store the
    520|1 1 34131 1 7|result in the buffer pointed to by resolved_name, and
    520|1 1 34131 1 8|return a pointer to the resolved pathname.
    520|1 1 23124 1 1|PREP: Create a regular file and a symbolic link to it
    520|1 1 23124 1 2|TEST: realpath() derives absolute pathname that
    520|1 1 23124 1 3| does not involve '.', '..' or a symbolic link
    520|1 1 34131 2 1|ERROR: TEST TERMINATED DUE TO SIGILL SIGNAL (4)
    220|1 1 1 11:23:57|FAIL

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    We agree this is a test suite deficiency in the test
    suite version(s) listed.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Test Suite Deficiency (TSD)
    Review Conclusion
    This is an agreed Test Suite Deficiency.

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