Messages in this thread | | | Date | Fri, 26 Jan 2007 13:23:15 +0300 | From | Oleg Nesterov <> | Subject | Re: [PATCH] namespaces: fix exit race by splitting exit |
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On 01/26, Daniel Hokka Zakrisson wrote: > > Serge E. Hallyn wrote: > > Ok, could you verify that the following patch at least solves > > the oopsing? > > > > (I can't reproduce the oops with Daniel's test prog) > > > > thanks, > > -serge > > Indeed, this patch solves the oopsing, but so did the last one. I think I > finally managed to figure out why too, as release_task would be called > with current referring to the parent process, or whoever is reaping the > process with the last reference to the namespace. Right?
Not always. The task can do release_task() on itself if it is sub-thread, or its parent ignores SIGCHLD.
Anyway I think your explanation is correct for this particular test-case.
Oleg.
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