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Description of problem:
When using fdisk -l, it opens fd to the device (variable fd is global).
This variable is overwritten in function get_boot() and we are losing the previous fd. Once we finish get_boot() the fd is closed in try() (caller of get_boot). But the previous open fd is never closed.
When you have plenty of devices this will could lead to "To many openfiles".
Version-Release number of selected component (if applicable):
noticed it on 5.4 but this bug is in RHEL 6.8 as well
How reproducible:
strace fdisk -l and check the open files and closed file
Actual results:
The number of opened FD is increasing.
Expected results:
The number of opened FD is constant as we are clearing opened fd.
Additional info:
Provided patch fits to RHEL 6.8, tested.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2017-0747.html