Attachment 701377 Details for Bug 894623 – experiment with unshare() and CLONE_NEWPID

[patch] experiment with unshare() and CLONE_NEWPID

unshare-CLONE_NEWPID.patch (text/plain), 1.36 KB, created by Clark Williams on 2013-02-22 22:11:21 UTC

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Creator: Clark Williams

Created: 2013-02-22 22:11:21 UTC

Size: 1.36 KB

patch

obsolete

>diff --git a/py/mock.py b/py/mock.py
>index ca94789..30c107f 100755
>--- a/py/mock.py
>+++ b/py/mock.py
>@@ -763,9 +763,10 @@ def main(ret):
> 
>     # New namespace starting from here
>     base_unshare_flags = mockbuild.util.CLONE_NEWNS
>-    extended_unshare_flags = base_unshare_flags|mockbuild.util.CLONE_NEWPID|mockbuild.util.CLONE_NEWIPC|mockbuild.util.CLONE_NEWUTS
>+    extended_unshare_flags = base_unshare_flags|mockbuild.util.CLONE_NEWIPC|mockbuild.util.CLONE_NEWUTS
>     try:
>         mockbuild.util.unshare(extended_unshare_flags)
>+        log.info("unshare with extended flags succeeded")
>     except mockbuild.exception.UnshareFailed, e:
>         log.debug("unshare(%d) failed, falling back to unshare(%d)" % (extended_unshare_flags, base_unshare_flags))
>         try:
>@@ -773,6 +774,18 @@ def main(ret):
>         except mockbuild.exception.UnshareFailed, e:
>             log.error("Namespace unshare failed.")
>             sys.exit(e.resultcode)
>+        log.info("unshare with base flags succeeded")
>+
>+    #now try unsharing the PID namespace
>+    try:
>+        mockbuild.util.unshare(mockbuild.util.CLONE_NEWPID)
>+        pid = os.fork()
>+        if pid:
>+            os.waitpid(pid, 0)
>+        log.info("unshare of pidns suceeded")
>+    except:
>+        log.info("unshare of pidns failed")
>+        pass
> 
>     # set personality (ie. setarch)
>     if config_opts['internal_setarch']:

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