[Rpm-maint] [rpm-software-management/rpm] Rpm query causes corruption in the file-backed mmaped bdb regions (#232)

[zhangjianwei]

In the process of testing dcrpm, when I execute the command line lsof - F p /var/lib/rpm/.dbenv.lock, lsof displays the PIDs of all processes, including 1, instead of only displaying the PIDs of the .dbenv.lock file;

It may have been generated after I installed typing (Python module) independently. 
Of course, it is not necessarily repeated. 
Therefore, I am afraid that dcrpm will execute lsof-f P  /var/lib/rpm/.dbenv.lock to get the wrong PIDs and kill them all.


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