[Bug 6386] [Busybox - Sysctl ] sysctl trying to read the write only files in /proc/sys when using "-a" option

bugzilla at busybox.net bugzilla at busybox.net
Tue Jul 16 12:27:39 UTC 2013


--- Comment #3 from Gokul S <spgokul at gmail.com> 2013-07-16 12:27:45 UTC ---
Proposed Fix:

If the file does not have the following permissions , then the file will be

S_IRUSR - read permission, Owner
S_IRGRP - read permission, Group 
S_IROTH - read permission, Others

Here , in the patch code, if the file does not have the above three permission,
then it will enter into the "if" condition. It will return as "EXIT_SUCCESS"

So, the sysctl command execution with "-a" option will not read write only
files and the return value of the command execution will be "zero"

This issue is not present in procps-3.2.7-151.8.31
A patch is added to resolve this issue : procps-3.2.7-sysctl-writeonly.patch


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