diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-27 10:42:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-27 10:42:46 -0800 |
| commit | ddf75ae34e61bc8472f8b54281ad29bc87274be1 (patch) | |
| tree | cd93e82253bc35d1bd97859f7b6353223e0c2f84 /kernel/pid_namespace.c | |
| parent | 7fd83b47cebb9e4fafab0ff9a058d2bebf29b8f5 (diff) | |
| parent | 48c6d1217e3dc743e7d3ad9b9def8d4810d13a85 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull namespace fixes from Eric Biederman:
"This tree includes two bug fixes for problems Oleg spotted on his
review of the recent pid namespace work. A small fix to not enable
bottom halves with irqs disabled, and a trivial build fix for f2fs
with user namespaces enabled."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
f2fs: Don't assign e_id in f2fs_acl_from_disk
proc: Allow proc_free_inum to be called from any context
pidns: Stop pid allocation when init dies
pidns: Outlaw thread creation after unshare(CLONE_NEWPID)
Diffstat (limited to 'kernel/pid_namespace.c')
| -rw-r--r-- | kernel/pid_namespace.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index fdbd0cdf271..c1c3dc1c602 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -115,6 +115,7 @@ static struct pid_namespace *create_pid_namespace(struct user_namespace *user_ns ns->level = level; ns->parent = get_pid_ns(parent_pid_ns); ns->user_ns = get_user_ns(user_ns); + ns->nr_hashed = PIDNS_HASH_ADDING; INIT_WORK(&ns->proc_work, proc_cleanup_work); set_bit(0, ns->pidmap[0].page); @@ -181,6 +182,9 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns) int rc; struct task_struct *task, *me = current; + /* Don't allow any more processes into the pid namespace */ + disable_pid_allocation(pid_ns); + /* Ignore SIGCHLD causing any terminated children to autoreap */ spin_lock_irq(&me->sighand->siglock); me->sighand->action[SIGCHLD - 1].sa.sa_handler = SIG_IGN; |