chgrp resets the setuid and getgid bits
Ben Stringer
ben at burbong.com
Tue Jul 25 09:44:14 UTC 2006
I observed this today on an RHEL4 system, and it applies to Fedora also.
I don't understand why this occurs - is it a security feature?
Eg.
# touch /tmp/example
# chmod 4755 /tmp/example
# ls -l /tmp/example
-rwsr-xr-x 1 root root 0 Jul 25 19:39 /tmp/example
# chgrp bin /tmp/example
# ls -l /tmp/example
-rwxr-xr-x 1 root bin 0 Jul 25 19:39 /tmp/example
If anyone can shed light on this for me, I would appreciate it.
Cheers, Ben
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