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| author | Chris Zankel <chris@zankel.net> | 2009-04-03 02:29:05 -0700 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2009-04-03 02:29:05 -0700 |
| commit | 65127d28e312bb6b38ce84a7bb71d762ef63ad4c (patch) | |
| tree | d5fdf52a2d0731f7fab0ce0ed394faac50b04fbc /kernel/pid_namespace.c | |
| parent | b8bb76713ec50df2f11efee386e16f93d51e1076 (diff) | |
| parent | 8fe74cf053de7ad2124a894996f84fa890a81093 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into merge
Diffstat (limited to 'kernel/pid_namespace.c')
| -rw-r--r-- | kernel/pid_namespace.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index fab8ea86fac3f..2d1001b4858de 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -152,6 +152,7 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns) { int nr; int rc; + struct task_struct *task; /* * The last thread in the cgroup-init thread group is terminating. @@ -169,7 +170,19 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns) read_lock(&tasklist_lock); nr = next_pidmap(pid_ns, 1); while (nr > 0) { - kill_proc_info(SIGKILL, SEND_SIG_PRIV, nr); + rcu_read_lock(); + + /* + * Use force_sig() since it clears SIGNAL_UNKILLABLE ensuring + * any nested-container's init processes don't ignore the + * signal + */ + task = pid_task(find_vpid(nr), PIDTYPE_PID); + if (task) + force_sig(SIGKILL, task); + + rcu_read_unlock(); + nr = next_pidmap(pid_ns, nr); } read_unlock(&tasklist_lock); |