* [patch -mm] namespaces: exit_task_namespaces() invalidates nsproxy
@ 2006-09-21 16:20 Cedric Le Goater
0 siblings, 0 replies; only message in thread
From: Cedric Le Goater @ 2006-09-21 16:20 UTC (permalink / raw)
To: Linux Kernel Mailing List
Cc: Andrew Morton, Serge E. Hallyn, Linux Containers
exit_task_namespaces() has replaced the former exit_namespace(). It
invalidates task->nsproxy and associated namespaces. This is an issue
for the (futur) pid namespace which is required to be valid in
exit_notify().
This patch moves exit_task_namespaces() after exit_notify() to keep
nsproxy valid.
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
---
kernel/exit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: 2.6.18-rc7-mm1/kernel/exit.c
===================================================================
--- 2.6.18-rc7-mm1.orig/kernel/exit.c
+++ 2.6.18-rc7-mm1/kernel/exit.c
@@ -922,7 +922,6 @@ fastcall NORET_TYPE void do_exit(long co
exit_sem(tsk);
__exit_files(tsk);
__exit_fs(tsk);
- exit_task_namespaces(tsk);
exit_thread();
cpuset_exit(tsk);
exit_keys(tsk);
@@ -937,6 +936,7 @@ fastcall NORET_TYPE void do_exit(long co
tsk->exit_code = code;
proc_exit_connector(tsk);
exit_notify(tsk);
+ exit_task_namespaces(tsk);
#ifdef CONFIG_NUMA
mpol_free(tsk->mempolicy);
tsk->mempolicy = NULL;
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2006-09-21 16:20 [patch -mm] namespaces: exit_task_namespaces() invalidates nsproxy Cedric Le Goater
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