mmap returns an EPERM when trying to map a file from a partition that is mounted with noexec option in RHEL-4.8

Solution Verified - Updated -

Issue

  • mmap returns an MMAP_FAIL and sets EPERM as errno when trying to map a file from a partition that is mounted with noexec option in RHEL-4.8
  • The problem occurs only for a 32 bit application running on a 64 bit system

Environment

  • Red Hat Enterprise Linux 4
  • kernel

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