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v0.5.1
https://github.com/torvalds/linux
02 December 2023, 22:23:51 UTC
Revision 0f2452855d86901ba3766826ccb5606ea4e15ab9 authored by Serge E. Hallyn on 30 January 2007, 21:28:23 UTC, committed by Linus Torvalds on 30 January 2007, 21:40:36 UTC 
[PATCH] namespaces: fix task exit disaster
 
This is based on a patch by Eric W.  Biederman, who pointed out that pid
namespaces are still fake, and we only have one ever active.

So for the time being, we can modify any code which could access
tsk->nsproxy->pid_ns during task exit to just use &init_pid_ns instead,
and move the exit_task_namespaces call in do_exit() back above
exit_notify(), so that an exiting nfs server has a valid tsk->sighand to
work with.

Long term, pulling pid_ns out of nsproxy might be the cleanest solution.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

[ Eric's patch fixed to take care of free_pid() too ]

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 444f378
History
Tip revision: 0f2452855d86901ba3766826ccb5606ea4e15ab9 authored by Serge E. Hallyn on 30 January 2007, 21:28:23 UTC
[PATCH] namespaces: fix task exit disaster
Tip revision: 0f24528
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